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26 Commits

Author SHA1 Message Date
29b1b8bb9a
hard-won battle to fix view resolution 2025-06-25 16:43:13 -05:00
bdc6958b49
more progress 2025-06-25 13:37:35 -05:00
880affad1c
progress 2025-06-25 13:37:16 -05:00
9957dccddd
fix: improve resolver dependency handling and logging
- Fixed AggregationResolver to properly accumulate values for sum/average/count operations
- Enhanced CustomResolver with detailed debug logging for dependency resolution
- Added execution order logging for better debugging
- Improved error messages and graph visualization in dependency resolution
- Moved valueFromCollapsedDelta to lossless.ts for better code organization
2025-06-25 12:25:40 -05:00
d0941f417e
refactor: optimize lossless view and improve code quality
- Optimize pointer handling and entity reference tracking in Lossless view
- Improve type safety with proper TypeScript types
- Add debug logging for better troubleshooting
- Clean up imports and unused variables
- Update test cases for DeltaBuilder
2025-06-25 11:18:52 -05:00
d7c4fda93e
refactor(resolver): overhaul plugin system and dependency handling
Core Changes:
- Completely rewrote CustomResolver reducer with dependency-ordered processing
- Enhanced plugin initialization with proper dependency injection
- Improved delta processing and property value tracking
- Added robust error handling for duplicate property IDs

Resolver Improvements:
- Updated to use new accumulator structure
- Implemented execution order processing for plugins
- Enhanced debug logging and error reporting
- Simplified TimestampResolver by removing unused initializer

Configuration Updates:
- Added TypeScript path aliases for test helpers
- Improved module resolution paths

Key Benefits:
- More robust plugin dependency management
- More efficient state updates
- Enhanced type safety
- Better error messages and debugging
- More consistent plugin initialization

This refactoring focuses on improving the robustness of the resolver,
especially around plugin lifecycle management and dependency handling.
The changes ensure better separation of concerns and more predictable
behavior when dealing with complex plugin dependencies.
2025-06-25 06:10:34 -05:00
1329a75a8f
Updated and organized documentation 2025-06-23 07:21:19 -05:00
ceb9d9a0cf
Module alias for @src 2025-06-23 03:01:44 -05:00
ef6efe758f
planning 2025-06-23 00:59:55 -05:00
f6790bf90d
Separated custom-resolver.ts into separate files 2025-06-23 00:16:26 -05:00
cf29338c9b
feat: add plugin dependency support to CustomResolver
- Added  property to ResolverPlugin interface
- Implemented topological sorting for plugin execution order
- Added circular dependency detection
- Updated built-in plugins with dependency declarations
- Added comprehensive tests for plugin dependencies
- Updated documentation with examples and best practices
2025-06-22 23:47:35 -05:00
8de512cd5b
feat: add inter-plugin dependencies to CustomResolver
- Update ResolverPlugin interface with allStates parameter
- Modify CustomResolver to pass all plugin states
- Update built-in plugins for compatibility
- Add comprehensive tests for inter-plugin dependencies
- Add detailed documentation with examples
2025-06-22 23:18:37 -05:00
fa739d047f
remove useless test 2025-06-22 22:59:24 -05:00
65a6230959
Revert changes to CustomResolver 2025-06-22 22:31:22 -05:00
07c8da3cea
removed prior attempt at relationship graph 2025-06-22 22:17:10 -05:00
5afd3232cb
feat: enable inter-plugin state sharing in CustomResolver
- Update ResolverPlugin interface to include context in update and resolve methods
- Modify CustomResolver to pass entity state and resolved values to plugins
- Update built-in plugins to accept and use the new context parameter
- Add comprehensive test for inter-plugin communication
- Add documentation for the new view composition patterns

This change enables plugins to access each other's states during both update and resolve phases, allowing for more powerful and flexible resolver compositions.
2025-06-22 20:42:05 -05:00
a248f1d1a8
minor housekeeping 2025-06-22 20:39:43 -05:00
73d2bf23f5
refactor: simplify relationship graph implementation
- Implement RelationshipGraphResolver extending Lossy
- Add type-safe accumulator for relationship graph state
- Update tests and documentation
2025-06-22 18:39:53 -05:00
76e00f38af
stabilized in prep for continuing on lossy relationship resolver 2025-06-22 14:02:21 -05:00
c04439713c
relationships as domain entities 2025-06-22 02:44:31 -05:00
54a50a9c22
JSON AST spike 2025-06-22 01:13:23 -05:00
f4ea2eca39
refactor: replace NegationHelper.createNegation with DeltaBuilder.negate
- Remove NegationHelper.createNegation in favor of using DeltaBuilder's fluent API
- Update all test cases to use createDelta().negate().buildV1() pattern
- Update documentation to reflect the preferred way to create negation deltas
- Remove unused isNegationDeltaById helper method
2025-06-21 22:45:27 -05:00
9f27912c4a
JSON AST first cut 2025-06-21 22:13:20 -05:00
a8d8e71885
removing stale comments 2025-06-21 21:54:20 -05:00
0b58c4cd0e
Minor adjustments to test setup 2025-06-21 18:42:49 -05:00
65c73577bb
Removed extraneous coverage report script 2025-06-21 18:18:26 -05:00
123 changed files with 6287 additions and 1993 deletions

1
.gitignore vendored
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data/
test-data/
*.code-workspace
__notes__/

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See [spec.md](spec.md) for additional specification details about this project.
## Documentation
- [Custom Resolvers](./docs/custom-resolvers/overview.md) - Flexible property resolution system with plugin support
# Development / Demo
## Setup

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# Project Initiatives
This directory contains planning documents and proposals for Rhizome Node development initiatives.
## Purpose
- Document project goals and roadmaps
- Propose and discuss new features
- Plan research and development efforts
## Naming Conventions
- Use kebab-case for all filenames (e.g., `distributed-sync-research.md`)
- Include dates in filenames for time-sensitive documents (e.g., `2025-06-peer-discovery-proposal.md`)
## Contributing
1. Create a new markdown file for your proposal or research

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# Rhizome on the BEAM: Implementation Guide
> **Note**: This document outlines a fresh implementation of Rhizome in Elixir, using the TypeScript implementation as a reference.
## Table of Contents
- [Motivation](#motivation)
- [Architecture Overview](#architecture-overview)
- [Migration Strategy](#migration-strategy)
- [Key Components](#key-components)
- [Data Synchronization Model](#data-synchronization-model)
- [Development Roadmap](#development-roadmap)
- [Performance Considerations](#performance-considerations)
## Motivation
Moving Rhizome to Elixir and the BEAM virtual machine provides several key advantages:
1. **Distribution by Default**
- Built-in distribution primitives for node-to-node communication
- Network partition tolerance out of the box
- Location transparency for processes
2. **Fault Tolerance**
- Let it crash philosophy with supervision trees
- Self-healing systems through process isolation
- Hot code reloading for zero-downtime updates
3. **Concurrency Model**
- Lightweight processes for handling millions of concurrent connections
- Efficient message passing between processes
- Built-in backpressure handling
4. **Ecosystem Benefits**
- Mature tooling for distributed systems
- Strong pattern matching and immutability
- Excellent support for building resilient systems
## Architecture Overview
### Current TypeScript Architecture
```mermaid
graph TD
subgraph "TypeScript Implementation"
A[HTTP API<br/><small>Express</small>]
B[WebSocket<br/><small>Socket.IO</small>]
C[Core Engine]
D[Delta Store]
E[View Layer]
F[Persistence<br/><small>LevelDB</small>]
G[Peer Network<br/><small>Libp2p</small>]
A --> C
B --> C
C --> D
C --> E
D --> F
C --> G
end
```
### Proposed Elixir Architecture
```mermaid
graph TD
subgraph "Elixir Implementation"
A[HTTP/WebSocket<br/><small>Phoenix</small>]
B[Core OTP App]
C[Delta Store]
D[View Layer]
E[Process Supervision]
F[Distribution<br/><small>EPMD/GenRPC</small>]
G[Persistence<br/><small>Mnesia/ETS</small>]
A <--> B
B <--> C
B <--> D
B <--> E
B <--> F
C <--> G
end
```
## Implementation Roadmap
### 1. Core Engine
- **Delta Processing**
- Define core Delta types and operations
- Implement DeltaBuilder
- Design storage layer (Mnesia/ETS)
- **View System**
- Implement Lossy/Lossless views
- Create resolver framework
- Add caching layer
### 2. Distribution
- **Node Communication**
- Node discovery and membership
- Delta synchronization protocol
- Conflict resolution strategies
- **Plugin System**
- Plugin behavior and lifecycle
- Dependency management
- Hot code reloading
### 3. API & Tooling
- **HTTP/WebSocket API**
- RESTful endpoints
- Real-time updates
- Authentication/authorization
- **Developer Experience**
- TypeScript type generation
- CLI tools
- Monitoring and metrics
## Key Components
### 1. Delta Processing
This implementation will follow similar patterns to the TypeScript version but leverage Elixir's strengths:
```elixir
defmodule Rhizome.Delta do
@type t :: %__MODULE__{
id: String.t(),
creator: String.t(),
timestamp: integer(),
operations: [operation()],
transaction_id: String.t() | nil,
negate: boolean()
}
defstruct [:id, :creator, :timestamp, :operations, :transaction_id, negate: false]
def new(creator, host) do
%__MODULE__{
id: generate_id(),
creator: creator,
timestamp: System.system_time(:millisecond),
operations: []
}
end
def add_operation(delta, operation) do
%{delta | operations: [operation | delta.operations]}
end
end
```
### 2. View System
```elixir
defmodule Rhizome.View.Lossy do
@behaviour Rhizome.View.Behaviour
@impl true
def init(initial_state) do
%{state: initial_state, cache: %{}}
end
@impl true
def reduce(%{state: state} = view, delta) do
new_state = apply_delta(state, delta)
%{view | state: new_state}
end
@impl true
def resolve(%{state: state}), do: state
defp apply_delta(state, %Delta{operations: ops}) do
Enum.reduce(ops, state, &apply_operation/2)
end
end
```
### 3. Plugin System
```elixir
defmodule Rhizome.Plugin do
@callback init(args :: term) :: {:ok, state :: term} | {:error, reason :: term}
@callback handle_delta(delta :: Delta.t(), state :: term) :: {:ok, new_state :: term} | {:error, term}
@callback handle_call(request :: term, from :: {pid, reference}, state :: term) ::
{:reply, reply, new_state} |
{:reply, reply, new_state, timeout | :hibernate} |
{:noreply, new_state} |
{:noreply, new_state, timeout | :hibernate} |
{:stop, reason, reply, new_state} |
{:stop, reason, new_state} when reply: term, new_state: term, reason: term
defmacro __using__(_opts) do
quote do
@behaviour Rhizome.Plugin
use GenServer
# Default implementations
@impl true
def init(_args), do: {:ok, %{}}
@impl true
def handle_call(_request, _from, state), do: {:reply, :ok, state}
def start_link(args) do
GenServer.start_link(__MODULE__, args, name: __MODULE__)
end
end
end
end
```
## Data Synchronization Model
### 1. Delta Propagation
```mermaid
sequenceDiagram
participant C1 as Client 1
participant N1 as Node 1
participant N2 as Node 2
participant N3 as Node 3
C1->>N1: Submit Delta
N1->>N1: Apply Delta Locally
N1->>N2: Gossip Delta
N1->>N3: Gossip Delta
N2->>N2: Apply Delta
N3->>N3: Apply Delta
N2->>N1: Acknowledge
N3->>N1: Acknowledge
```
### 2. Conflict Resolution
1. **Last Write Wins** (Default)
2. **Custom Resolvers**
3. **CRDT-based** for special cases
## Development Milestones
### 1. Core Delta Engine
- [ ] Define delta types and operations
- [ ] Implement DeltaBuilder
- [ ] Basic storage with Mnesia/ETS
- [ ] View system with Lossy/Lossless support
### 2. Distributed Foundation
- [ ] Node discovery and membership
- [ ] Delta synchronization protocol
- [ ] Conflict resolution strategies
- [ ] Plugin system
### 3. Production Features
- [ ] HTTP/WebSocket API
- [ ] Authentication & authorization
- [ ] Monitoring and metrics
- [ ] Developer tooling
## Performance Characteristics
### Key Advantages
1. **Concurrency**
- Handle 100K+ concurrent connections per node
- Sub-millisecond delta processing
- Linear scaling with cores
2. **Memory Usage**
- Shared binary heap for deltas
- Efficient garbage collection
- Process isolation for fault tolerance
3. **Network Efficiency**
- Delta compression
- Batched updates
- Smart backpressure handling
## Getting Started
### Prerequisites
- Elixir 1.14+
- Erlang/OTP 25+
- Node.js (for assets)
### Running Locally
```bash
# Clone the repository
git clone https://github.com/your-org/rhizome-beam.git
cd rhizome-beam
# Install dependencies
mix deps.get
cd assets && npm install && cd ..
# Start the application
iex -S mix phx.server
```
## Contributing
1. Fork the repository
2. Create a feature branch
3. Submit a pull request
## License
[Your License Here]
## Acknowledgments
- The Elixir and Erlang communities
- The original TypeScript implementation for inspiration
- Research in distributed systems and CRDTs

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# Dimensions
Deltas are a hyperstructure capable of expressing many structures.
We can consider models which we compose by expressing their dimensions, and
relationships between those dimensions. This can enable a robust form of multi-dimensional
composition. I'm thinking in terms of vectors and matrices, maybe quaternions, tensors.
So basically we can use deltas to encode math.

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# Entity Relationship Graph
## Background
Deltas can express relationships by declaring a domain entity for the relationship itself.
Our initial implementation assumes there is only one structure for a relationship: a directed edge from one entity to another.
- `source` and `target` are required properties.
- `type` as well as arbitrary additional properties are optional.
Future work may allow for more complex relationships.
## Goal
Resolve a graph of relationships among entities.
## Discussion of Strategy
### Lossy View Composition

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# Housekeeping tasks
- [x] Organize tests?
- [x] More documentation in docs/
- [ ] Rename/consolidate, lossless view() and compose() --> composeView()
- [ ] Rename Lossless to HyperView
- [ ] Rename Lossy to View
- [ ] Consider whether we should use collapsed deltas
- [ ] Improve ergonomics of declaring multiple entity properties in one delta
- [x] Use dotenv so we can more easily manage the local dev test environment
- [ ] Create test helpers to reduce boilerplate

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# Test structure
- before test, initialize node and lossless view
- when test begins, create and ingest a series of deltas
- instantiate a resolver, in this case using custom resolver plugins
- call the resolver's initializer with the view
- call the resolver's reducer with the view
- call the resolver's resolver with the view
- expect the resolver to return the expected result
# Follow-up
- why isn't the resolver being called automatically, by event dispatch?
- we can prepare an array of deltas and pass it to a test helper,
- So our entire test case should consist of the deltas, the resolver, and the expected result.

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import { RhizomeNode } from '@src';
import { Lossless } from '@src/views/lossless';
import { Delta } from '@src/core/delta';
import { createDelta } from '@src/core/delta-builder';
import { CustomResolver } from '@src/views/resolvers/custom-resolvers';
import { ResolverPlugin } from '@src/views/resolvers/custom-resolvers/plugin';
// Define a test plugin map that enforces string dependencies
type TestPluginMap = {
[key: string]: ResolverPlugin<unknown, string>;
};
interface TestHelperOptions<T extends TestPluginMap> {
entityId?: string;
plugins: T;
deltas: Delta[];
}
export async function testResolverWithPlugins<T extends TestPluginMap>(
options: TestHelperOptions<T>
) {
const {
entityId = 'test-entity',
plugins,
deltas,
} = options;
// Setup test environment
const node = new RhizomeNode();
const lossless = new Lossless(node);
const view = new CustomResolver(lossless, plugins);
// Ingest all deltas through the lossless instance
for (const delta of deltas) {
lossless.ingestDelta(delta);
}
// Get the resolved view
const resolvedView = view.resolve([entityId]);
if (!resolvedView) throw new Error(`Resolved view for entity ${entityId} is undefined`);
return resolvedView[entityId];
}
/**
* Helper to create a test delta with proper typing
* @param creator The creator of the delta
* @param host The host of the delta
* @returns A test delta
*/
export function createTestDelta(creator = 'user1', host = 'host1') {
return createDelta(creator, host);
}

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import {
RhizomeNode,
Lossless,
Delta,
CustomResolver,
ResolverPlugin,
LastWriteWinsPlugin,
FirstWriteWinsPlugin,
ConcatenationPlugin,
MajorityVotePlugin,
MinPlugin,
MaxPlugin,
PropertyTypes,
CollapsedDelta,
createDelta
} from "../src";
describe('Custom Resolvers', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
describe('Built-in Plugins', () => {
test('LastWriteWinsPlugin should resolve to most recent value', () => {
// First delta with earlier timestamp
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'name', 'first', 'collection')
.buildV1()
);
// Second delta with later timestamp (should win)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'name', 'second', 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
name: new LastWriteWinsPlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.name).toBe('second');
});
test('FirstWriteWinsPlugin should resolve to earliest value', () => {
// Later delta (should be ignored by FirstWriteWins)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'name', 'second', 'collection')
.buildV1()
);
// Earlier delta (should win with FirstWriteWins)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'name', 'first', 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
name: new FirstWriteWinsPlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.name).toBe('first');
});
test('ConcatenationPlugin should join string values chronologically', () => {
// First tag
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'tags', 'red', 'collection')
.buildV1()
);
// Second tag (with later timestamp)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(3000)
.setProperty('entity1', 'tags', 'blue', 'collection')
.buildV1()
);
// Third tag (with timestamp between first and second)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'tags', 'green', 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
tags: new ConcatenationPlugin(' ')
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.tags).toBe('red green blue');
});
test('ConcatenationPlugin should handle duplicates', () => {
// First tag
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'tags', 'red', 'collection')
.buildV1()
);
// Duplicate tag with later timestamp
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'tags', 'red', 'collection') // duplicate
.buildV1()
);
const resolver = new CustomResolver(lossless, {
tags: new ConcatenationPlugin(',')
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.tags).toBe('red'); // Should not duplicate
});
test('MajorityVotePlugin should resolve to most voted value', () => {
// Add 3 votes for 'red'
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'color', 'red', 'collection')
.buildV1()
);
lossless.ingestDelta(
createDelta('user2', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'color', 'red', 'collection')
.buildV1()
);
lossless.ingestDelta(
createDelta('user3', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'color', 'red', 'collection')
.buildV1()
);
// Add 2 votes for 'blue'
lossless.ingestDelta(
createDelta('user4', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'color', 'blue', 'collection')
.buildV1()
);
lossless.ingestDelta(
createDelta('user5', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'color', 'blue', 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
color: new MajorityVotePlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.color).toBe('red'); // 3 votes vs 2 votes
});
test('MinPlugin should resolve to minimum numeric value', () => {
// First score (100)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'score', 100, 'collection')
.buildV1()
);
// Second score (50) - this is the minimum
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'score', 50, 'collection')
.buildV1()
);
// Third score (75)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(3000)
.setProperty('entity1', 'score', 75, 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
score: new MinPlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.score).toBe(50);
});
test('MaxPlugin should resolve to maximum numeric value', () => {
// First score (100)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'score', 100, 'collection')
.buildV1()
);
// Second score (150) - this is the maximum
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'score', 150, 'collection')
.buildV1()
);
// Third score (75)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(3000)
.setProperty('entity1', 'score', 75, 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
score: new MaxPlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.score).toBe(150);
});
});
describe('Mixed Plugin Configurations', () => {
test('should handle different plugins for different properties', () => {
// Add name with different timestamps
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'name', 'old_name', 'collection')
.buildV1()
);
// Update name with newer timestamp
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'name', 'new_name', 'collection')
.buildV1()
);
// Add scores
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'score', 100, 'collection')
.buildV1()
);
// Add another score (MinPlugin will pick the smaller one)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'score', 50, 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
name: new LastWriteWinsPlugin(), // Should resolve to 'new_name'
score: new MinPlugin() // Should resolve to 50
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.name).toBe('new_name');
expect(result!['entity1'].properties.score).toBe(50);
});
test('should only include entities with configured properties', () => {
// Entity1 has configured property
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'name', 'test', 'collection')
.buildV1()
);
// Entity2 has non-configured property
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity2', 'other_prop', 'value', 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
name: new LastWriteWinsPlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1']).toBeDefined();
expect(result!['entity1'].properties.name).toBe('test');
expect(result!['entity2']).toBeUndefined(); // No configured properties
});
});
describe('Custom Plugin Implementation', () => {
test('should work with custom plugin', () => {
// Custom plugin that counts the number of updates
class CountPlugin implements ResolverPlugin<{count: number}> {
name = 'count';
initialize() {
return {count: 0};
}
update(currentState: {count: number}, _newValue: PropertyTypes, _delta: CollapsedDelta) {
return {count: currentState.count + 1};
}
resolve(state: {count: number}): PropertyTypes {
return state.count;
}
}
// First update
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'updates', 'first', 'collection')
.buildV1()
);
// Second update
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'updates', 'second', 'collection')
.buildV1()
);
// Third update
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(3000)
.setProperty('entity1', 'updates', 'third', 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
updates: new CountPlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.updates).toBe(3);
});
test('should work with stateful custom plugin', () => {
// Custom plugin that calculates running average
class RunningAveragePlugin implements ResolverPlugin<{sum: number, count: number}> {
name = 'running-average';
initialize() {
return {sum: 0, count: 0};
}
update(currentState: {sum: number, count: number}, newValue: PropertyTypes, _delta: CollapsedDelta) {
if (typeof newValue === 'number') {
return {
sum: currentState.sum + newValue,
count: currentState.count + 1
};
}
return currentState;
}
resolve(state: {sum: number, count: number}): PropertyTypes {
return state.count > 0 ? state.sum / state.count : 0;
}
}
// First score (10)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'score', 10, 'collection')
.buildV1()
);
// Second score (20)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'score', 20, 'collection')
.buildV1()
);
// Third score (30)
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(3000)
.setProperty('entity1', 'score', 30, 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
score: new RunningAveragePlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['entity1'].properties.score).toBe(20); // (10 + 20 + 30) / 3
});
});
describe('Edge Cases', () => {
test('should handle empty delta sets', () => {
const resolver = new CustomResolver(lossless, {
name: new LastWriteWinsPlugin()
});
const result = resolver.resolve();
expect(result).toBeDefined();
expect(Object.keys(result!)).toHaveLength(0);
});
test('should handle non-matching property types gracefully', () => {
// Add string value to numeric plugin
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'score', 'not_a_number', 'collection')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
score: new MinPlugin() // Expects numeric values
});
const result = resolver.resolve();
expect(result).toBeDefined();
// The entity might not be present in the result if no properties were resolved
if (result!['entity1']) {
expect(result!['entity1'].properties).toBeDefined();
expect(result!['entity1'].properties).not.toHaveProperty('score');
}
});
});
});

View File

@ -1,20 +0,0 @@
import Debug from 'debug';
// Set up debug instances for different log levels
const debug = Debug('rz:test:console');
const debugError = Debug('rz:test:console:error');
const debugWarn = Debug('rz:test:console:warn');
// Test debug output
// Note: These will only show if DEBUG=rz:* is set in the environment
debug('=== DEBUG LOG TEST ===');
debug('This is a test debug message');
debugError('This is a test error message');
debugWarn('This is a test warning message');
describe('Debug Test', () => {
it('should output debug messages when DEBUG is enabled', () => {
debug('Test debug message from inside test');
expect(true).toBe(true);
});
});

View File

@ -1,187 +0,0 @@
import { createDelta } from '../src/core/delta-builder';
import { DeltaV1, DeltaV2 } from '../src/core/delta';
import { Lossless } from '../src/views/lossless';
import { RhizomeNode } from '../src/node';
import { LastWriteWins } from '../src/views/resolvers/last-write-wins';
describe('DeltaBuilder', () => {
const creator = 'creator-123';
const host = 'host-456';
const node = new RhizomeNode();
describe('V1 Deltas', () => {
it('should create a basic V1 delta', () => {
const delta = createDelta(creator, host)
.addPointer('name', 'Test Delta', 'title')
.addPointer('description', 'A test delta', 'description')
.buildV1();
expect(delta).toBeInstanceOf(DeltaV1);
expect(delta.id).toBeDefined();
expect(delta.creator).toBe(creator);
expect(delta.host).toBe(host);
expect(delta.pointers).toHaveLength(2);
expect(delta.pointers[0]).toEqual({
localContext: 'name',
target: 'Test Delta',
targetContext: 'title'
});
});
it('should create a V1 delta with setProperty', () => {
const delta = createDelta(creator, host)
.setProperty('entity-1', 'name', 'Test Entity')
.buildV1();
expect(delta).toBeInstanceOf(DeltaV1);
expect(delta.pointers).toContainEqual({
localContext: 'entity',
target: 'entity-1',
targetContext: 'name'
});
expect(delta.pointers).toContainEqual({
localContext: 'name',
target: 'Test Entity',
});
// Verify that the entity property resolves correctly
const lossless = new Lossless(node);
lossless.ingestDelta(delta);
const lossy = new LastWriteWins(lossless);
const result = lossy.resolve();
expect(result).toBeDefined();
expect(result!['entity-1'].properties.name).toBe('Test Entity');
});
it('should create a V1 delta with setProperty and entityLabel', () => {
const delta = createDelta(creator, host)
.setProperty('entity-1', 'name', 'Test Entity', 'user')
.buildV1();
expect(delta).toBeInstanceOf(DeltaV1);
expect(delta.pointers).toContainEqual({
localContext: 'user',
target: 'entity-1',
targetContext: 'name'
});
expect(delta.pointers).toContainEqual({
localContext: 'name',
target: 'Test Entity',
});
// Verify that the entity property resolves correctly
const lossless = new Lossless(node);
lossless.ingestDelta(delta);
const lossy = new LastWriteWins(lossless);
const result = lossy.resolve();
expect(result).toBeDefined();
expect(result!['entity-1'].properties.name).toBe('Test Entity');
});
it('should create a V1 delta with relationships', () => {
const delta = createDelta(creator, host)
.relate('user-1', 'follows', 'user-2')
.buildV1();
expect(delta.pointers).toContainEqual({
localContext: 'follows',
target: 'user-2',
targetContext: 'follows'
});
expect(delta.pointers).toContainEqual({
localContext: 'source',
target: 'user-1',
targetContext: 'follows'
});
});
});
describe('V2 Deltas', () => {
it('should create a basic V2 delta', () => {
const delta = createDelta(creator, host)
.addPointer('name', 'Test Delta V2', 'title')
.buildV2();
expect(delta).toBeInstanceOf(DeltaV2);
expect(delta.id).toBeDefined();
expect(delta.creator).toBe(creator);
expect(delta.host).toBe(host);
expect(delta.pointers).toHaveProperty('name');
expect(delta.pointers.name).toEqual({ 'Test Delta V2': 'title' });
});
it('should create a V2 delta with setProperty', () => {
const delta = createDelta(creator, host)
.setProperty('entity-1', 'name', 'Test Entity')
.buildV2();
expect(delta.pointers).toHaveProperty('name', 'Test Entity');
expect(delta.pointers).toHaveProperty('entity', { 'entity-1': 'name' });
});
it('should create a V2 delta with relationships', () => {
const delta = createDelta(creator, host)
.relate('user-1', 'follows', 'user-2')
.buildV2();
expect(delta.pointers).toHaveProperty('follows', { 'user-2': 'follows' });
expect(delta.pointers).toHaveProperty('source', { 'user-1': 'follows' });
});
});
describe('Common functionality', () => {
it('should support custom IDs', () => {
const customId = 'custom-delta-id';
const delta = createDelta(creator, host)
.withId(customId)
.buildV1();
expect(delta.id).toBe(customId);
});
it('should support transactions', () => {
const txId = 'tx-123';
const delta = createDelta(creator, host)
.inTransaction(txId)
.buildV1();
// Check for transaction ID in pointers
expect(delta.pointers).toContainEqual({
localContext: '_transaction',
target: txId,
targetContext: 'deltas'
});
});
it('should support transactions in V2', () => {
const txId = 'tx-123';
const delta = createDelta(creator, host)
.inTransaction(txId)
.buildV2();
// Check for transaction ID in V2 pointers
expect(delta.pointers['_transaction']).toEqual({ [txId]: 'deltas' });
});
it('should support negation', () => {
const negatedId = 'delta-to-negate';
const delta = createDelta(creator, host)
.negate(negatedId)
.buildV1();
// Check for negation in pointers
const negationPointer = delta.pointers.find(p => p.localContext === '_negates');
expect(negationPointer).toBeDefined();
expect(negationPointer?.target).toBe(negatedId);
});
it('should support custom timestamps', () => {
const timestamp = Date.now();
const delta = createDelta(creator, host)
.withTimestamp(timestamp)
.buildV1();
expect(delta.timeCreated).toBe(timestamp);
});
});
});

View File

@ -1,11 +1,11 @@
import { createOrchestrator, type NodeConfig } from '../../src/orchestration';
import { createOrchestrator, type NodeConfig } from '@src/orchestration';
import type { NodeHandle } from '@src/orchestration/types';
// Increase test timeout to 30 seconds
jest.setTimeout(30000);
describe('Run (Orchestrated)', () => {
const orchestrator = createOrchestrator('in-memory');
let nodeHandle: any;
let nodeHandle: NodeHandle;
let apiUrl: string;
beforeAll(async () => {
@ -14,7 +14,7 @@ describe('Run (Orchestrated)', () => {
id: 'app-001',
};
nodeHandle = await orchestrator.startNode(config);
apiUrl = nodeHandle.getApiUrl();
apiUrl = nodeHandle.getApiUrl?.() || 'http://localhost:3000'; // Default URL if getApiUrl is not available
}, 60000); // Increase timeout to 60s for this hook
afterAll(async () => {
@ -24,7 +24,7 @@ describe('Run (Orchestrated)', () => {
}
});
it('can put a new user and fetch it', async () => {
test('can put a new user and fetch it', async () => {
// Create a new record
const createResponse = await fetch(`${apiUrl}/user`, {
method: 'PUT',

View File

@ -18,7 +18,7 @@ describe('Run', () => {
await app.stop();
});
it('can put a new user and fetch it', async () => {
test('can put a new user and fetch it', async () => {
// Create a new record
{
const res = await fetch(`${app.apiUrl}/user`, {

View File

@ -1,11 +1,11 @@
import Debug from 'debug';
import { createOrchestrator } from '../../src/orchestration';
import type { NodeConfig, NodeHandle } from '../../src/orchestration';
import { createOrchestrator } from '@src/orchestration';
import type { NodeConfig, NodeHandle } from '@src/orchestration';
// Increase test timeout to 30 seconds
jest.setTimeout(30000);
const debug = Debug('test:two-orchestrated');
const debug = Debug('rz:test:two-orchestrated');
describe('Run (Two Nodes Orchestrated)', () => {
const orchestrator = createOrchestrator('in-memory');
@ -46,7 +46,7 @@ describe('Run (Two Nodes Orchestrated)', () => {
await Promise.all(nodes.map(node => node && orchestrator.stopNode(node)));
});
it('can create a record on node0 and read it from node1', async () => {
test('can create a record on node0 and read it from node1', async () => {
const [node0, node1] = nodes;
const node0Url = node0.getApiUrl();
const node1Url = node1.getApiUrl();

View File

@ -1,6 +1,6 @@
import Debug from 'debug';
import {App} from '../../util/app';
const debug = Debug('test:two');
const debug = Debug('rz:test:two');
describe('Run', () => {
const apps: App[] = [];
@ -24,7 +24,7 @@ describe('Run', () => {
await Promise.all(apps.map((app) => app.stop()));
});
it('can create a record on app0 and read it on app1', async () => {
test('can create a record on app0 and read it on app1', async () => {
debug('apps[0].apiUrl', apps[0].apiUrl);
debug('apps[1].apiUrl', apps[1].apiUrl);

View File

@ -1,16 +1,12 @@
import Docker from 'dockerode';
import { describe, it, beforeAll, afterAll, expect, jest } from '@jest/globals';
import type { NodeConfig, NodeHandle, NodeStatus } from '@src/orchestration';
import { DockerOrchestrator, createOrchestrator } from '@src/orchestration';
import { ImageManager } from '@src/orchestration/docker-orchestrator/managers/image-manager';
import Debug from 'debug';
import { DOCKER_ENABLE } from '@src/config';
const debug = Debug('rz:test:docker-orchestrator-v2');
import { createOrchestrator } from '../../src/orchestration';
import type { NodeOrchestrator, NodeConfig, NodeHandle, NodeStatus } from '../../src/orchestration';
import { ImageManager } from '../../src/orchestration/docker-orchestrator/managers/image-manager';
// Extend the NodeOrchestrator type to include the docker client for DockerOrchestrator
interface DockerOrchestrator extends NodeOrchestrator {
docker: Docker;
}
// Extended interface to include additional properties that might be present in the implementation
interface ExtendedNodeStatus extends Omit<NodeStatus, 'network'> {
@ -30,15 +26,11 @@ interface ExtendedNodeStatus extends Omit<NodeStatus, 'network'> {
// Set default timeout for all tests to 5 minutes
jest.setTimeout(300000);
describe('Docker Orchestrator', () => {
(DOCKER_ENABLE ? describe : describe.skip)('Docker Orchestrator', () => {
let docker: Docker;
let orchestrator: DockerOrchestrator;
let node: NodeHandle | null = null;
let node2: NodeHandle | null = null;
let nodeConfig: NodeConfig;
let node2Config: NodeConfig;
let nodePort: number;
let node2Port: number;
beforeAll(async () => {
debug('Setting up Docker client and orchestrator...');
@ -59,7 +51,10 @@ describe('Docker Orchestrator', () => {
}
// Initialize the orchestrator with the Docker client and test image
orchestrator = createOrchestrator('docker') as DockerOrchestrator;
orchestrator = createOrchestrator('docker', {
docker,
image: 'rhizome-node-test',
}) as DockerOrchestrator;
debug('Docker orchestrator initialized');
// Create a basic node config for testing with unique network ID
@ -89,7 +84,10 @@ describe('Docker Orchestrator', () => {
debug('All test cleanups completed');
}, 120000); // 2 minute timeout for afterAll
it('should start and stop a node', async () => {
/**
* ! Note that this test fails if the build fails
*/
test('should start and stop a node', async () => {
debug('Starting test: should start and stop a node');
// Create a new config with a unique ID for this test
@ -145,7 +143,7 @@ describe('Docker Orchestrator', () => {
}
});
it('should enforce resource limits', async () => {
test('should enforce resource limits', async () => {
debug('Starting test: should enforce resource limits');
// Create a new node with a unique ID for this test
@ -183,7 +181,7 @@ describe('Docker Orchestrator', () => {
}
// Get container info using ContainerManager
const container = await (orchestrator as any).containerManager.getContainer(status.containerId);
const container = await orchestrator.containerManager.getContainer(status.containerId);
if (!container) {
throw new Error('Container not found');
}
@ -229,7 +227,7 @@ describe('Docker Orchestrator', () => {
}
}, 30000);
it('should expose API endpoints', async () => {
test('should expose API endpoints', async () => {
// Set a longer timeout for this test (5 minutes)
jest.setTimeout(300000);
debug('Starting test: should expose API endpoints');
@ -358,11 +356,10 @@ describe('Docker Orchestrator', () => {
// Start first node
debug('Starting node 1...');
node1 = await orchestrator.startNode(node1Config);
debug(`Node 1 started with ID: ${node1.id}`);
debug(`Node 1 started with ID: ${node1.id} apiUrl: ${node1.getApiUrl?.()}`);
// Get node 1's status and API URL
const status1 = await node1.status() as ExtendedNodeStatus;
const node1ApiUrl = node1.getApiUrl?.();
// Update node 2's config with node 1's actual address if available
if (status1.network?.address && node2Config.network) {
@ -373,11 +370,10 @@ describe('Docker Orchestrator', () => {
// Start second node
debug('Starting node 2...');
node2 = await orchestrator.startNode(node2Config);
debug(`Node 2 started with ID: ${node2.id}`);
debug(`Node 2 started with ID: ${node2.id} apiUrl: ${node2.getApiUrl?.()}`);
// Get node 2's status
const status2 = await node2.status() as ExtendedNodeStatus;
const node2ApiUrl = node2.getApiUrl?.();
// Verify both nodes are running
expect(status1).toBeDefined();

View File

@ -1,16 +1,16 @@
import { LosslessViewOne } from '@src/views/lossless';
import {
SchemaBuilder,
PrimitiveSchemas,
ReferenceSchemas,
ArraySchemas,
// CommonSchemas has been moved to ./test-utils/schemas
ObjectSchema
} from '../src/schema';
import { DefaultSchemaRegistry } from '../src/schema';
import { CommonSchemas } from '../util/schemas';
import { TypedCollectionImpl, SchemaValidationError } from '../src/collections';
import { RhizomeNode } from '../src/node';
import { createDelta } from '../src/core/delta-builder';
} from '@src/schema';
import { DefaultSchemaRegistry } from '@src/schema';
import { CommonSchemas } from '../../util/schemas';
import { TypedCollectionImpl, SchemaValidationError } from '@src/collections';
import { RhizomeNode } from '@src/node';
import { createDelta } from '@src/core/delta-builder';
describe('Schema System', () => {
let schemaRegistry: DefaultSchemaRegistry;
@ -24,7 +24,7 @@ describe('Schema System', () => {
describe('Schema Builder', () => {
it('should create a basic schema', () => {
test('should create a basic schema', () => {
const schema = SchemaBuilder
.create('user')
.name('User')
@ -46,7 +46,7 @@ describe('Schema System', () => {
expect(schema.requiredProperties).toContain('name');
});
it('should create schema with references', () => {
test('should create schema with references', () => {
const schema = SchemaBuilder
.create('post')
.name('Post')
@ -67,7 +67,7 @@ describe('Schema System', () => {
});
});
it('should enforce required fields', () => {
test('should enforce required fields', () => {
expect(() => {
SchemaBuilder.create('').build();
}).toThrow('Schema must have id and name');
@ -79,7 +79,7 @@ describe('Schema System', () => {
});
describe('Schema Registry', () => {
it('should register and retrieve schemas', () => {
test('should register and retrieve schemas', () => {
const schema = CommonSchemas.User();
schemaRegistry.register(schema);
@ -90,7 +90,7 @@ describe('Schema System', () => {
expect(all).toContain(schema);
});
it('should validate schema structure', () => {
test('should validate schema structure', () => {
const invalidSchema = {
id: 'invalid',
name: 'Invalid',
@ -104,7 +104,7 @@ describe('Schema System', () => {
}).toThrow('Unknown schema type');
});
it('should validate required properties exist', () => {
test('should validate required properties exist', () => {
const schema = SchemaBuilder
.create('test')
.name('Test')
@ -117,7 +117,7 @@ describe('Schema System', () => {
}).toThrow("Required property 'nonexistent' not found");
});
it('should detect circular dependencies', () => {
test('should detect circular dependencies', () => {
// Create schemas with circular references
const userSchema = SchemaBuilder
.create('user')
@ -151,12 +151,12 @@ describe('Schema System', () => {
expect(schemaRegistry.hasCircularDependencies()).toBe(true);
});
it('should validate lossless views against schemas', () => {
test('should validate lossless views against schemas', () => {
const userSchema = CommonSchemas.User();
schemaRegistry.register(userSchema);
// Create a valid lossless view
const validView = {
const validView: LosslessViewOne = {
id: 'user123',
referencedAs: ['user'],
propertyDeltas: {
@ -174,7 +174,7 @@ describe('Schema System', () => {
creator: 'creator1',
pointers: [{ age: 25 }]
}]
}
},
};
const result = schemaRegistry.validate('user123', 'user', validView);
@ -182,7 +182,7 @@ describe('Schema System', () => {
expect(result.errors).toHaveLength(0);
// Test invalid view (missing required property)
const invalidView = {
const invalidView: LosslessViewOne = {
id: 'user456',
referencedAs: ['user'],
propertyDeltas: {
@ -206,7 +206,7 @@ describe('Schema System', () => {
);
});
it('should validate primitive types', () => {
test('should validate primitive types', () => {
const schema = SchemaBuilder
.create('test')
.name('Test')
@ -218,7 +218,7 @@ describe('Schema System', () => {
schemaRegistry.register(schema);
// Valid types
const validView = {
const validView: LosslessViewOne = {
id: 'test1',
referencedAs: [],
propertyDeltas: {
@ -232,7 +232,7 @@ describe('Schema System', () => {
expect(validResult.valid).toBe(true);
// Invalid types
const invalidView = {
const invalidView: LosslessViewOne = {
id: 'test2',
referencedAs: [],
propertyDeltas: {
@ -248,7 +248,7 @@ describe('Schema System', () => {
});
describe('Typed Collection', () => {
it('should create typed collection with schema validation', () => {
test('should create typed collection with schema validation', () => {
const userSchema = CommonSchemas.User();
const collection = new TypedCollectionImpl<{
name: string;
@ -261,7 +261,7 @@ describe('Schema System', () => {
expect(collection.name).toBe('users');
});
it('should validate entities against schema', () => {
test('should validate entities against schema', () => {
const userSchema = CommonSchemas.User();
const collection = new TypedCollectionImpl<{
name: string;
@ -280,7 +280,7 @@ describe('Schema System', () => {
expect(invalidResult.valid).toBe(false);
});
it('should enforce strict validation on put operations', async () => {
test('should enforce strict validation on put operations', async () => {
const userSchema = CommonSchemas.User();
const collection = new TypedCollectionImpl<{
name: string;
@ -296,7 +296,7 @@ describe('Schema System', () => {
await expect(collection.put('user2', { email: 'invalid@test.com' })).rejects.toThrow(SchemaValidationError);
});
it('should provide validation statistics', async () => {
test('should provide validation statistics', async () => {
const userSchema = CommonSchemas.User();
const collection = new TypedCollectionImpl<{
name: string;
@ -322,7 +322,7 @@ describe('Schema System', () => {
expect(stats.invalidEntities).toBe(1);
});
it('should filter valid and invalid entities', async () => {
test('should filter valid and invalid entities', async () => {
const userSchema = CommonSchemas.User();
const collection = new TypedCollectionImpl<{
name: string;
@ -351,7 +351,7 @@ describe('Schema System', () => {
expect(invalidEntities[0].entityId).toBe('user3');
});
it('should apply schema to lossless views', async () => {
test('should apply schema to lossless views', async () => {
const userSchema = CommonSchemas.User();
const collection = new TypedCollectionImpl<{
name: string;
@ -370,7 +370,7 @@ describe('Schema System', () => {
expect(validatedView!.metadata?.appliedAt).toBeDefined();
});
it('should provide schema introspection', () => {
test('should provide schema introspection', () => {
const userSchema = CommonSchemas.User();
schemaRegistry.register(CommonSchemas.UserSummary());
@ -386,7 +386,7 @@ describe('Schema System', () => {
});
describe('Common Schemas', () => {
it('should provide working User schema', () => {
test('should provide working User schema', () => {
const userSchema = CommonSchemas.User();
expect(userSchema.id).toBe('user');
expect(userSchema.name).toBe('User');
@ -395,7 +395,7 @@ describe('Schema System', () => {
expect(userSchema.requiredProperties).toContain('name');
});
it('should provide working Document schema', () => {
test('should provide working Document schema', () => {
const docSchema = CommonSchemas.Document();
expect(docSchema.id).toBe('document');
expect(docSchema.properties.title).toBeDefined();
@ -404,7 +404,7 @@ describe('Schema System', () => {
expect(docSchema.requiredProperties).toContain('author');
});
it('should work together in a registry', () => {
test('should work together in a registry', () => {
schemaRegistry.register(CommonSchemas.User());
schemaRegistry.register(CommonSchemas.UserSummary());
schemaRegistry.register(CommonSchemas.Document());

View File

@ -1,7 +1,6 @@
import { MemoryDeltaStorage, LevelDBDeltaStorage, StorageFactory } from '../src/storage';
import { createDelta } from '../src/core/delta-builder';
import { Delta } from '../src/core';
import { DeltaQueryStorage } from '../src/storage/interface';
import { MemoryDeltaStorage, LevelDBDeltaStorage, StorageFactory } from '@src/storage';
import { createDelta } from '@src/core/delta-builder';
import { DeltaQueryStorage } from '@src/storage/interface';
describe('Delta Storage', () => {
const testDeltas = [
@ -53,12 +52,12 @@ describe('Delta Storage', () => {
});
describe('Storage Factory', () => {
it('creates memory storage', () => {
test('creates memory storage', () => {
const storage = StorageFactory.create({ type: 'memory' });
expect(storage).toBeInstanceOf(MemoryDeltaStorage);
});
it('creates LevelDB storage', () => {
test('creates LevelDB storage', () => {
const storage = StorageFactory.create({
type: 'leveldb',
path: './test-data/factory-test'
@ -66,7 +65,7 @@ describe('Delta Storage', () => {
expect(storage).toBeInstanceOf(LevelDBDeltaStorage);
});
it('throws on unknown storage type', () => {
test('throws on unknown storage type', () => {
expect(() => {
StorageFactory.create({ type: 'unknown' as 'memory' | 'leveldb' });
}).toThrow('Unknown storage type: unknown');
@ -74,7 +73,7 @@ describe('Delta Storage', () => {
});
function runStorageTests(getStorage: () => DeltaQueryStorage) {
it('stores and retrieves deltas', async () => {
test('stores and retrieves deltas', async () => {
const storage = getStorage();
// Store deltas
@ -93,7 +92,7 @@ describe('Delta Storage', () => {
expect(nonExistent).toBeNull();
});
it('gets all deltas', async () => {
test('gets all deltas', async () => {
const storage = getStorage();
for (const delta of testDeltas) {
@ -109,7 +108,7 @@ describe('Delta Storage', () => {
expect(deltaIds).toContain('delta3');
});
it('filters deltas', async () => {
test('filters deltas', async () => {
const storage = getStorage();
for (const delta of testDeltas) {
@ -122,7 +121,7 @@ describe('Delta Storage', () => {
expect(aliceDeltas.every(d => d.creator === 'alice')).toBe(true);
});
it('gets deltas for entity', async () => {
test('gets deltas for entity', async () => {
const storage = getStorage();
for (const delta of testDeltas) {
@ -139,7 +138,7 @@ describe('Delta Storage', () => {
expect(nonExistentDeltas).toHaveLength(0);
});
it('gets deltas by context', async () => {
test('gets deltas by context', async () => {
const storage = getStorage();
for (const delta of testDeltas) {
@ -158,7 +157,7 @@ describe('Delta Storage', () => {
expect(nonExistentDeltas).toHaveLength(0);
});
it('queries deltas with complex criteria', async () => {
test('queries deltas with complex criteria', async () => {
const storage = getStorage();
for (const delta of testDeltas) {
@ -190,7 +189,7 @@ describe('Delta Storage', () => {
expect(aliceUser1Deltas[0].id).toBe('delta1');
});
it('applies pagination to queries', async () => {
test('applies pagination to queries', async () => {
const storage = getStorage();
for (const delta of testDeltas) {
@ -210,7 +209,7 @@ describe('Delta Storage', () => {
expect(pagedDeltas).toHaveLength(1);
});
it('counts deltas', async () => {
test('counts deltas', async () => {
const storage = getStorage();
for (const delta of testDeltas) {
@ -227,7 +226,7 @@ describe('Delta Storage', () => {
expect(user1Count).toBe(2);
});
it('provides storage statistics', async () => {
test('provides storage statistics', async () => {
const storage = getStorage();
for (const delta of testDeltas) {

View File

@ -1,28 +1,2 @@
// Set up environment variables for tests
// DEBUG handling examples:
// npm test // will set DEBUG=rz:* by default
// NO_DEBUG=true npm test // will not set DEBUG
// DEBUG=other npm test // will set DEBUG=other
if (!process.env.DEBUG && !process.env.NO_DEBUG) {
process.env.DEBUG = 'rz:*';
}
// Extend the global Jest namespace
declare global {
namespace jest {
interface Matchers<R> {
toBeWithinRange(a: number, b: number): R;
}
}
}
// Add any global test setup here
// This is a placeholder test to satisfy Jest's requirement for at least one test
describe('Test Setup', () => {
it('should pass', () => {
expect(true).toBe(true);
});
});
export {}; // This file needs to be a module
import dotenv from 'dotenv';
dotenv.config();

View File

@ -1,88 +0,0 @@
import Debug from 'debug';
import {
PointerTarget,
lastValueFromDeltas,
valueFromCollapsedDelta,
Lossless,
LosslessViewOne,
Lossy,
RhizomeNode
} from "../src";
import { createDelta } from "../src/core/delta-builder";
const debug = Debug('test:lossy');
type Role = {
actor: PointerTarget,
film: PointerTarget,
role: PointerTarget
};
type Summary = {
roles: Role[];
};
class Summarizer extends Lossy<Summary, Summary> {
initializer(): Summary {
return {
roles: []
};
}
// TODO: Add more rigor to this example approach to generating a summary.
// it's really not CRDT, it likely depends on the order of the pointers.
// TODO: Prove with failing test
reducer(acc: Summary, cur: LosslessViewOne): Summary {
if (cur.referencedAs.includes("role")) {
const {delta, value: actor} = lastValueFromDeltas("actor", cur.propertyDeltas["actor"]) ?? {};
if (!delta) throw new Error('expected to find delta');
if (!actor) throw new Error('expected to find actor');
const film = valueFromCollapsedDelta("film", delta);
if (!film) throw new Error('expected to find film');
acc.roles.push({
role: cur.id,
actor,
film
});
}
return acc;
}
resolver(acc: Summary): Summary {
return acc;
}
}
describe('Lossy', () => {
describe('use a provided initializer, reducer, and resolver to resolve entity views', () => {
const node = new RhizomeNode();
const lossless = new Lossless(node);
const lossy = new Summarizer(lossless);
beforeAll(() => {
lossless.ingestDelta(createDelta('a', 'h')
.addPointer('actor', 'keanu', 'roles')
.addPointer('role', 'neo', 'actor')
.addPointer('film', 'the_matrix', 'cast')
.addPointer('base_salary', 1000000)
.addPointer('salary_currency', 'usd')
.buildV1()
);
});
it('example summary', () => {
const result = lossy.resolve();
debug('result', result);
expect(result).toEqual({
roles: [{
film: "the_matrix",
role: "neo",
actor: "keanu"
}]
});
});
});
});

View File

@ -1,15 +1,13 @@
import { createDelta } from '../src/core/delta-builder';
import { createDelta } from '@src/core/delta-builder';
import {
RhizomeNode,
Lossless,
Delta,
LastWriteWins,
TimestampResolver,
SumResolver,
CustomResolver,
LastWriteWinsPlugin,
MajorityVotePlugin
} from "../src";
MajorityVotePlugin,
TimestampResolver
} from "../../src";
describe('Concurrent Write Scenarios', () => {
let node: RhizomeNode;
@ -39,7 +37,7 @@ describe('Concurrent Write Scenarios', () => {
.buildV1()
);
const resolver = new LastWriteWins(lossless);
const resolver = new TimestampResolver(lossless);
const result = resolver.resolve();
expect(result).toBeDefined();
@ -74,8 +72,6 @@ describe('Concurrent Write Scenarios', () => {
});
test('should handle multiple writers with aggregation resolver', () => {
const timestamp = 1000;
// Multiple writers add values simultaneously
lossless.ingestDelta(createDelta('writer1', 'host1')
.withTimestamp(1000)
@ -123,7 +119,7 @@ describe('Concurrent Write Scenarios', () => {
.buildV1()
);
const resolver = new LastWriteWins(lossless);
const resolver = new TimestampResolver(lossless);
const result = resolver.resolve();
expect(result).toBeDefined();
@ -249,7 +245,7 @@ describe('Concurrent Write Scenarios', () => {
);
}
const resolver = new LastWriteWins(lossless);
const resolver = new TimestampResolver(lossless);
const result = resolver.resolve();
expect(result).toBeDefined();

View File

@ -9,13 +9,13 @@
*/
import Debug from 'debug';
import { RhizomeNode } from '../src/node';
import { RhizomeNode } from '@src/node';
import { createDelta } from '@src/core';
import { DefaultSchemaRegistry } from '@src/schema';
import { SchemaBuilder, PrimitiveSchemas, ReferenceSchemas, ArraySchemas } from '@src/schema';
import { TypedCollectionImpl } from '@src/collections';
const debug = Debug('rz:test:nested-resolution-performance');
import { Delta, createDelta } from '../src/core';
import { DefaultSchemaRegistry } from '../src/schema';
import { SchemaBuilder, PrimitiveSchemas, ReferenceSchemas, ArraySchemas } from '../src/schema';
import { TypedCollectionImpl } from '../src/collections';
describe('Nested Object Resolution Performance', () => {
let node: RhizomeNode;
@ -27,7 +27,7 @@ describe('Nested Object Resolution Performance', () => {
});
describe('Large Network Performance', () => {
it('should handle large networks of interconnected users efficiently', async () => {
test('should handle large networks of interconnected users efficiently', async () => {
// Create a schema for users with multiple relationship types
const networkUserSchema = SchemaBuilder
.create('network-user')
@ -116,7 +116,7 @@ describe('Nested Object Resolution Performance', () => {
// Test resolution performance for a user with many connections
const testUserId = userIds[50]; // Pick a user in the middle
const userViews = node.lossless.view([testUserId]);
const userViews = node.lossless.compose([testUserId]);
const userView = userViews[testUserId];
const startResolution = performance.now();
@ -149,7 +149,7 @@ describe('Nested Object Resolution Performance', () => {
expect(Object.keys(nestedView.nestedObjects).length).toBeGreaterThan(0);
});
it('should handle deep nesting chains efficiently', async () => {
test('should handle deep nesting chains efficiently', async () => {
// Create a simple schema for chain testing
const chainUserSchema = SchemaBuilder
.create('chain-user')
@ -205,7 +205,7 @@ describe('Nested Object Resolution Performance', () => {
// Test resolution from the start of the chain
const firstUserId = userIds[0];
const userViews = node.lossless.view([firstUserId]);
const userViews = node.lossless.compose([firstUserId]);
const userView = userViews[firstUserId];
const startResolution = performance.now();
@ -241,7 +241,7 @@ describe('Nested Object Resolution Performance', () => {
debug(`Actual resolved depth: ${depth}`);
});
it('should handle circular references in large graphs without performance degradation', async () => {
test('should handle circular references in large graphs without performance degradation', async () => {
const circularUserSchema = SchemaBuilder
.create('circular-user')
.name('Circular User')
@ -301,7 +301,7 @@ describe('Nested Object Resolution Performance', () => {
// Test resolution performance with circular references
const testUserId = userIds[0];
const userViews = node.lossless.view([testUserId]);
const userViews = node.lossless.compose([testUserId]);
const userView = userViews[testUserId];
const startResolution = performance.now();

View File

@ -1,98 +0,0 @@
import { createOrchestrator } from '../src/orchestration/factory';
import { NodeConfig, NodeOrchestrator } from '../src/orchestration/types';
import Debug from 'debug';
const debug = Debug('rz:test-utils');
// Global test orchestrator instance
let testOrchestrator: NodeOrchestrator;
// Default test node configuration
const DEFAULT_TEST_NODE_CONFIG: Partial<NodeConfig> = {
network: {
// Use default ports that will be overridden by getRandomPort() in the orchestrator
port: 0,
},
storage: {
type: 'memory',
path: '/data',
},
};
/**
* Set up the test environment before all tests run
*/
export const setupTestEnvironment = async () => {
debug('Setting up Docker test environment...');
try {
// Create a Docker orchestrator instance
testOrchestrator = createOrchestrator('docker', {
// Enable auto-building of test images
autoBuildTestImage: true,
// Use a specific test image name
image: 'rhizome-node-test',
});
debug('Docker test environment setup complete');
} catch (error) {
debug('Error setting up Docker test environment:', error);
throw error;
}
};
/**
* Clean up the test environment after all tests complete
*/
export const teardownTestEnvironment = async () => {
debug('Tearing down Docker test environment...');
if (testOrchestrator) {
try {
// Clean up all containers and networks
await testOrchestrator.cleanup();
debug('Docker resources cleaned up successfully');
} catch (error) {
debug('Error during Docker environment teardown:', error);
// Don't throw to allow tests to complete
}
}
debug('Docker test environment teardown complete');
};
/**
* Get the test orchestrator instance
*/
export const getTestOrchestrator = (): NodeOrchestrator => {
if (!testOrchestrator) {
throw new Error('Test orchestrator not initialized. Call setupTestEnvironment() first.');
}
return testOrchestrator;
};
/**
* Create a test node with the given configuration
*/
export const createTestNode = async (config: Partial<NodeConfig> = {}) => {
const orchestrator = getTestOrchestrator();
// Merge default config with provided config
const nodeConfig: NodeConfig = {
...DEFAULT_TEST_NODE_CONFIG,
...config,
// Ensure we have a unique ID for each node
id: config.id || `test-node-${Date.now()}-${Math.floor(Math.random() * 1000)}`,
};
debug(`Creating test node with ID: ${nodeConfig.id}`);
try {
const nodeHandle = await orchestrator.startNode(nodeConfig);
debug(`Test node ${nodeConfig.id} created successfully`);
return nodeHandle;
} catch (error) {
debug(`Error creating test node ${nodeConfig.id}:`, error);
throw error;
}
};

View File

@ -4,8 +4,8 @@
* to the original deltas with all pointer relationships preserved.
*/
import { RhizomeNode } from '../src/node';
import { createDelta } from '../src/core/delta-builder';
import { RhizomeNode } from '@src/node';
import { createDelta } from '@src/core/delta-builder';
describe('Lossless View Compose/Decompose', () => {
let node: RhizomeNode;
@ -15,7 +15,7 @@ describe('Lossless View Compose/Decompose', () => {
});
describe('Bidirectional Conversion', () => {
it('should compose and decompose simple entity deltas correctly', () => {
test('should compose and decompose simple entity deltas correctly', () => {
// Create simple entity deltas
const nameDeltas = [
createDelta('test-creator', 'test-host')
@ -63,7 +63,7 @@ describe('Lossless View Compose/Decompose', () => {
expect(upPointer?.localContext).toBe('users');
});
it('should handle multi-pointer relationship deltas correctly', () => {
test('should handle multi-pointer relationship deltas correctly', () => {
// Create a complex relationship delta
const relationshipDelta = createDelta('test-creator', 'test-host')
.addPointer('users', 'alice', 'relationships')
@ -101,7 +101,7 @@ describe('Lossless View Compose/Decompose', () => {
expect(intensityPointer?.target).toBe(8);
});
it('should handle reference relationships correctly', () => {
test('should handle reference relationships correctly', () => {
// Create entities first
const aliceDelta = createDelta('test-creator', 'test-host')
.addPointer('users', 'alice', 'name')
@ -146,7 +146,7 @@ describe('Lossless View Compose/Decompose', () => {
expect(bobPointer?.targetContext).toBe('friends');
});
it('should preserve delta metadata correctly', () => {
test('should preserve delta metadata correctly', () => {
const originalDelta = createDelta('test-creator', 'test-host')
.addPointer('users', 'alice', 'name')
.addPointer('name', 'Alice')
@ -167,7 +167,7 @@ describe('Lossless View Compose/Decompose', () => {
expect(reconstituted.timeCreated).toBe(originalDelta.timeCreated);
});
it('should handle multiple deltas for the same property', () => {
test('should handle multiple deltas for the same property', () => {
// Create multiple name changes for alice
const nameDeltas = [
createDelta('test-creator', 'test-host')

View File

@ -0,0 +1,274 @@
import { createDelta } from '@src/core/delta-builder';
import { DeltaV1, DeltaV2 } from '@src/core/delta';
import { Lossless } from '@src/views/lossless';
import { RhizomeNode } from '@src/node';
import { TimestampResolver } from '@src/views/resolvers/timestamp-resolvers';
describe('DeltaBuilder', () => {
const creator = 'creator-123';
const host = 'host-456';
const node = new RhizomeNode();
describe('V1 Deltas', () => {
test('should create a basic V1 delta', () => {
const delta = createDelta(creator, host)
.addPointer('name', 'Test Delta', 'title')
.addPointer('description', 'A test delta', 'description')
.buildV1();
expect(delta).toBeInstanceOf(DeltaV1);
expect(delta.id).toBeDefined();
expect(delta.creator).toBe(creator);
expect(delta.host).toBe(host);
expect(delta.pointers).toHaveLength(2);
expect(delta.pointers[0]).toEqual({
localContext: 'name',
target: 'Test Delta',
targetContext: 'title'
});
});
test('should create a V1 delta with setProperty', () => {
const delta = createDelta(creator, host)
.setProperty('entity-1', 'name', 'Test Entity')
.buildV1();
expect(delta).toBeInstanceOf(DeltaV1);
expect(delta.pointers).toContainEqual({
localContext: 'entity',
target: 'entity-1',
targetContext: 'name'
});
expect(delta.pointers).toContainEqual({
localContext: 'name',
target: 'Test Entity',
});
// Verify that the entity property resolves correctly
const lossless = new Lossless(node);
const lossy = new TimestampResolver(lossless);
lossless.ingestDelta(delta);
const result = lossy.resolve();
expect(result).toBeDefined();
expect(result!['entity-1'].properties.name).toBe('Test Entity');
});
test('should create a V1 delta with setProperty and entityLabel', () => {
const delta = createDelta(creator, host)
.setProperty('entity-1', 'name', 'Test Entity', 'user')
.buildV1();
expect(delta).toBeInstanceOf(DeltaV1);
expect(delta.pointers).toContainEqual({
localContext: 'user',
target: 'entity-1',
targetContext: 'name'
});
expect(delta.pointers).toContainEqual({
localContext: 'name',
target: 'Test Entity',
});
// Verify that the entity property resolves correctly
const lossless = new Lossless(node);
const lossy = new TimestampResolver(lossless);
lossless.ingestDelta(delta);
const result = lossy.resolve();
expect(result).toBeDefined();
expect(result!['entity-1'].properties.name).toBe('Test Entity');
});
test('should create a V1 delta with relationships', () => {
const delta = createDelta(creator, host)
.relate('user-1', 'user-2', 'follows')
.buildV1();
// This delta sets values on a new relationship entity
expect(delta.pointers).toContainEqual({
localContext: '_rel_target',
target: expect.any(String),
targetContext: 'target'
});
const relId = delta.pointers.find(p => p.localContext === '_rel_target')?.target;
expect(delta.pointers).toContainEqual({
localContext: '_rel_source',
target: relId,
targetContext: 'source'
});
expect(delta.pointers).toContainEqual({
localContext: '_rel_type',
target: relId,
targetContext: 'type'
});
});
test('should create a V1 delta with relationships and properties', () => {
const delta = createDelta(creator, host)
.relate('user-1', 'user-2', 'follows', { version: 1})
.buildV1();
// This delta sets values on a new relationship entity
expect(delta.pointers).toContainEqual({
localContext: '_rel_target',
target: expect.any(String),
targetContext: 'target'
});
const relId = delta.pointers.find(p => p.localContext === '_rel_target')?.target;
expect(delta.pointers).toContainEqual({
localContext: '_rel_source',
target: relId,
targetContext: 'source'
});
expect(delta.pointers).toContainEqual({
localContext: '_rel_type',
target: relId,
targetContext: 'type'
});
expect(delta.pointers).toContainEqual({
localContext: '_rel_version',
target: relId,
targetContext: 'version'
});
});
});
describe('V2 Deltas', () => {
test('should create a basic V2 delta', () => {
const delta = createDelta(creator, host)
.addPointer('name', 'Test Delta V2', 'title')
.buildV2();
expect(delta).toBeInstanceOf(DeltaV2);
expect(delta.id).toBeDefined();
expect(delta.creator).toBe(creator);
expect(delta.host).toBe(host);
expect(delta.pointers).toHaveProperty('name');
expect(delta.pointers.name).toEqual({ 'Test Delta V2': 'title' });
});
test('should create a V2 delta with setProperty', () => {
const delta = createDelta(creator, host)
.setProperty('entity-1', 'name', 'Test Entity')
.buildV2();
expect(delta.pointers).toHaveProperty('name', 'Test Entity');
expect(delta.pointers).toHaveProperty('entity', { 'entity-1': 'name' });
});
test('should create a V2 delta with relationships', () => {
const delta = createDelta(creator, host)
.relate('user-1', 'user-2', 'follows')
.buildV2();
expect(delta.pointers).toHaveProperty('_rel_source');
const [relId] = Object.entries(delta.pointers._rel_source!)[0];
expect(delta.pointers).toHaveProperty('_rel_source', { [relId]: 'source' });
expect(delta.pointers).toHaveProperty('_rel_target', { [relId]: 'target' });
expect(delta.pointers).toHaveProperty('_rel_type', { [relId]: 'type' });
expect(delta.pointers).toHaveProperty('source', 'user-1');
expect(delta.pointers).toHaveProperty('target', 'user-2');
expect(delta.pointers).toHaveProperty('type', 'follows');
const lossless = new Lossless(node);
const lossy = new TimestampResolver(lossless);
lossless.ingestDelta(delta);
const result = lossy.resolve([relId]);
expect(result).toBeDefined();
expect(result![relId]).toMatchObject({
properties: {
source: 'user-1',
target: 'user-2',
type: 'follows'
}
});
});
test('should create a V2 delta with relationships and properties', () => {
const delta = createDelta(creator, host)
.relate('user-1', 'user-2', 'follows', { version: 1})
.buildV2();
expect(delta.pointers).toHaveProperty('_rel_source');
const [relId] = Object.entries(delta.pointers._rel_source!)[0];
expect(delta.pointers).toHaveProperty('_rel_source', { [relId]: 'source' });
expect(delta.pointers).toHaveProperty('_rel_target', { [relId]: 'target' });
expect(delta.pointers).toHaveProperty('_rel_type', { [relId]: 'type' });
expect(delta.pointers).toHaveProperty('_rel_version', { [relId]: 'version' });
expect(delta.pointers).toHaveProperty('source', 'user-1');
expect(delta.pointers).toHaveProperty('target', 'user-2');
expect(delta.pointers).toHaveProperty('type', 'follows');
expect(delta.pointers).toHaveProperty('version', 1);
const lossless = new Lossless(node);
const lossy = new TimestampResolver(lossless);
lossless.ingestDelta(delta);
const result = lossy.resolve([relId]);
expect(result).toBeDefined();
expect(result![relId]).toMatchObject({
properties: {
source: 'user-1',
target: 'user-2',
type: 'follows',
version: 1
}
});
});
});
describe('Common functionality', () => {
test('should support custom IDs', () => {
const customId = 'custom-delta-id';
const delta = createDelta(creator, host)
.withId(customId)
.buildV1();
expect(delta.id).toBe(customId);
});
test('should support transactions', () => {
const txId = 'tx-123';
const delta = createDelta(creator, host)
.inTransaction(txId)
.buildV1();
// Check for transaction ID in pointers
expect(delta.pointers).toContainEqual({
localContext: '_transaction',
target: txId,
targetContext: 'deltas'
});
});
test('should support transactions in V2', () => {
const txId = 'tx-123';
const delta = createDelta(creator, host)
.inTransaction(txId)
.buildV2();
// Check for transaction ID in V2 pointers
expect(delta.pointers['_transaction']).toEqual({ [txId]: 'deltas' });
});
test('should support negation', () => {
const negatedId = 'delta-to-negate';
const delta = createDelta(creator, host)
.negate(negatedId)
.buildV1();
// Check for negation in pointers
const negationPointer = delta.pointers.find(p => p.localContext === '_negates');
expect(negationPointer).toBeDefined();
expect(negationPointer?.target).toBe(negatedId);
});
test('should support custom timestamps', () => {
const timestamp = Date.now();
const delta = createDelta(creator, host)
.withTimestamp(timestamp)
.buildV1();
expect(delta.timeCreated).toBe(timestamp);
});
});
});

View File

@ -6,19 +6,19 @@ import {
InvalidPointerError,
validateDeltaNetworkImageV1,
validateDeltaNetworkImageV2
} from "../src";
} from "../../../../src";
describe("Delta Validation", () => {
describe("Invalid Delta Formats", () => {
describe("DeltaV1 validation", () => {
it("should throw error for non-object delta", () => {
test("should throw error for non-object delta", () => {
expect(() => validateDeltaNetworkImageV1(null)).toThrow(InvalidDeltaFormatError);
expect(() => validateDeltaNetworkImageV1("string")).toThrow(InvalidDeltaFormatError);
expect(() => validateDeltaNetworkImageV1(123)).toThrow(InvalidDeltaFormatError);
expect(() => validateDeltaNetworkImageV1([])).toThrow(InvalidDeltaFormatError);
});
it("should throw error for invalid ID types", () => {
test("should throw error for invalid ID types", () => {
const invalidDeltas = [
{ id: null, timeCreated: 123, host: "host", creator: "creator", pointers: [] },
{ id: 123, timeCreated: 123, host: "host", creator: "creator", pointers: [] },
@ -31,7 +31,7 @@ describe("Delta Validation", () => {
});
});
it("should throw error for invalid timestamp", () => {
test("should throw error for invalid timestamp", () => {
const invalidDeltas = [
{ id: "id", timeCreated: "123", host: "host", creator: "creator", pointers: [] },
{ id: "id", timeCreated: -123, host: "host", creator: "creator", pointers: [] },
@ -44,7 +44,7 @@ describe("Delta Validation", () => {
});
});
it("should throw error for invalid host/creator", () => {
test("should throw error for invalid host/creator", () => {
const invalidDeltas = [
{ id: "id", timeCreated: 123, host: null, creator: "creator", pointers: [] },
{ id: "id", timeCreated: 123, host: "", creator: "creator", pointers: [] },
@ -59,7 +59,7 @@ describe("Delta Validation", () => {
});
});
it("should throw error for non-array pointers", () => {
test("should throw error for non-array pointers", () => {
const invalidDeltas = [
{ id: "id", timeCreated: 123, host: "host", creator: "creator", pointers: null },
{ id: "id", timeCreated: 123, host: "host", creator: "creator", pointers: {} },
@ -72,12 +72,12 @@ describe("Delta Validation", () => {
});
});
it("should throw error for empty pointers array", () => {
test("should throw error for empty pointers array", () => {
const delta = { id: "id", timeCreated: 123, host: "host", creator: "creator", pointers: [] };
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(InvalidDeltaFormatError);
});
it("should throw error for invalid pointer structure", () => {
test("should throw error for invalid pointer structure", () => {
const invalidPointers = [
[null],
["string"],
@ -96,7 +96,7 @@ describe("Delta Validation", () => {
});
});
it("should throw error for invalid targetContext", () => {
test("should throw error for invalid targetContext", () => {
const invalidPointers = [
[{ localContext: "context", target: "target", targetContext: null }],
[{ localContext: "context", target: "target", targetContext: "" }],
@ -110,7 +110,7 @@ describe("Delta Validation", () => {
});
});
it("should throw error for pointer consistency violation", () => {
test("should throw error for pointer consistency violation", () => {
// If targetContext exists, target must be a string (reference)
const pointers = [{ localContext: "context", target: 123, targetContext: "property" }];
const delta = { id: "id", timeCreated: 123, host: "host", creator: "creator", pointers };
@ -119,14 +119,14 @@ describe("Delta Validation", () => {
});
describe("DeltaV2 validation", () => {
it("should throw error for non-object delta", () => {
test("should throw error for non-object delta", () => {
expect(() => validateDeltaNetworkImageV2(null)).toThrow(InvalidDeltaFormatError);
expect(() => validateDeltaNetworkImageV2("string")).toThrow(InvalidDeltaFormatError);
expect(() => validateDeltaNetworkImageV2(123)).toThrow(InvalidDeltaFormatError);
expect(() => validateDeltaNetworkImageV2([])).toThrow(InvalidDeltaFormatError);
});
it("should throw error for invalid pointers object", () => {
test("should throw error for invalid pointers object", () => {
const invalidDeltas = [
{ id: "id", timeCreated: 123, host: "host", creator: "creator", pointers: null },
{ id: "id", timeCreated: 123, host: "host", creator: "creator", pointers: [] },
@ -139,12 +139,12 @@ describe("Delta Validation", () => {
});
});
it("should throw error for empty pointers object", () => {
test("should throw error for empty pointers object", () => {
const delta = { id: "id", timeCreated: 123, host: "host", creator: "creator", pointers: {} };
expect(() => validateDeltaNetworkImageV2(delta)).toThrow(InvalidDeltaFormatError);
});
it("should throw error for invalid pointer keys", () => {
test("should throw error for invalid pointer keys", () => {
const invalidPointers = [
{ "": "value" }
];
@ -155,7 +155,7 @@ describe("Delta Validation", () => {
});
});
it("should throw error for invalid pointer values", () => {
test("should throw error for invalid pointer values", () => {
const invalidPointers = [
{ key: undefined },
{ key: [] }
@ -167,7 +167,7 @@ describe("Delta Validation", () => {
});
});
it("should throw error for invalid reference format", () => {
test("should throw error for invalid reference format", () => {
const invalidReferences = [
{ key: {} }, // Empty reference
{ key: { ref1: "val1", ref2: "val2" } }, // Multiple keys
@ -187,31 +187,31 @@ describe("Delta Validation", () => {
describe("Missing Required Fields", () => {
describe("DeltaV1", () => {
it("should throw MissingRequiredFieldError for missing id", () => {
test("should throw MissingRequiredFieldError for missing id", () => {
const delta = { timeCreated: 123, host: "host", creator: "creator", pointers: [] };
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(MissingRequiredFieldError);
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(/id/);
});
it("should throw MissingRequiredFieldError for missing timeCreated", () => {
test("should throw MissingRequiredFieldError for missing timeCreated", () => {
const delta = { id: "id", host: "host", creator: "creator", pointers: [] };
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(MissingRequiredFieldError);
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(/timeCreated/);
});
it("should throw MissingRequiredFieldError for missing host", () => {
test("should throw MissingRequiredFieldError for missing host", () => {
const delta = { id: "id", timeCreated: 123, creator: "creator", pointers: [] };
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(MissingRequiredFieldError);
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(/host/);
});
it("should throw MissingRequiredFieldError for missing creator", () => {
test("should throw MissingRequiredFieldError for missing creator", () => {
const delta = { id: "id", timeCreated: 123, host: "host", pointers: [] };
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(MissingRequiredFieldError);
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(/creator/);
});
it("should throw MissingRequiredFieldError for missing pointers", () => {
test("should throw MissingRequiredFieldError for missing pointers", () => {
const delta = { id: "id", timeCreated: 123, host: "host", creator: "creator" };
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(MissingRequiredFieldError);
expect(() => validateDeltaNetworkImageV1(delta)).toThrow(/pointers/);
@ -219,7 +219,7 @@ describe("Delta Validation", () => {
});
describe("DeltaV2", () => {
it("should throw MissingRequiredFieldError for all missing fields", () => {
test("should throw MissingRequiredFieldError for all missing fields", () => {
const requiredFields = ["id", "timeCreated", "host", "creator", "pointers"];
requiredFields.forEach(field => {
@ -240,7 +240,7 @@ describe("Delta Validation", () => {
});
describe("Valid Delta Formats", () => {
it("should accept valid DeltaV1", () => {
test("should accept valid DeltaV1", () => {
const validDeltas = [
{
id: "uuid-123",
@ -274,7 +274,7 @@ describe("Delta Validation", () => {
});
});
it("should accept valid DeltaV2", () => {
test("should accept valid DeltaV2", () => {
const validDeltas = [
{
id: "uuid-123",
@ -310,7 +310,7 @@ describe("Delta Validation", () => {
});
describe("Delta class integration", () => {
it("should validate when creating DeltaV1 from network image", () => {
test("should validate when creating DeltaV1 from network image", () => {
const invalidDelta = {
id: "id",
timeCreated: "not-a-number",
@ -322,7 +322,7 @@ describe("Delta Validation", () => {
expect(() => DeltaV1.fromNetworkImage(invalidDelta as never)).toThrow(InvalidDeltaFormatError);
});
it("should validate when creating DeltaV2 from network image", () => {
test("should validate when creating DeltaV2 from network image", () => {
const invalidDelta = {
id: "id",
timeCreated: 123,
@ -334,7 +334,7 @@ describe("Delta Validation", () => {
expect(() => DeltaV2.fromNetworkImage(invalidDelta as never)).toThrow(InvalidDeltaFormatError);
});
it("should accept valid network images", () => {
test("should accept valid network images", () => {
const validV1 = {
id: "uuid-123",
timeCreated: 123456789,

View File

@ -1,8 +1,8 @@
import { createDelta } from '../src/core/delta-builder';
import {DeltaV1, DeltaV2} from "../src";
import { createDelta } from '@src/core/delta-builder';
import {DeltaV1, DeltaV2} from "../../../../src";
describe("Delta", () => {
it("can convert DeltaV1 to DeltaV2", () => {
test("can convert DeltaV1 to DeltaV2", () => {
const deltaV1 = createDelta('a', 'h')
.addPointer('color', 'red')
.addPointer('furniture', 'chair-1', 'color')
@ -19,7 +19,7 @@ describe("Delta", () => {
});
});
it("can convert DeltaV2 to DeltaV1", () => {
test("can convert DeltaV2 to DeltaV1", () => {
const deltaV2 = createDelta('a', 'h')
.addPointer('color', 'red')
.addPointer('furniture', 'chair-1', 'color')

View File

@ -0,0 +1,172 @@
import { jsonToAst } from '@src/utils/json-ast';
import { JsonNode } from '@src/utils/json-ast/types';
describe('jsonToAst', () => {
test('should handle primitive values', () => {
expect(jsonToAst(42)).toMatchObject({
type: 'number',
value: 42
});
expect(jsonToAst('test')).toMatchObject({
type: 'string',
value: 'test'
});
expect(jsonToAst(true)).toMatchObject({
type: 'boolean',
value: true
});
expect(jsonToAst(null)).toMatchObject({
type: 'null',
value: null
});
});
test('should handle empty objects and arrays', () => {
const emptyObj = jsonToAst({});
expect(emptyObj).toMatchObject({
type: 'object',
children: []
});
const emptyArray = jsonToAst([]);
expect(emptyArray).toMatchObject({
type: 'array',
children: []
});
});
test('should handle nested objects', () => {
const ast = jsonToAst({
name: 'test',
nested: { value: 42 }
});
expect(ast.type).toBe('object');
expect(ast.children).toHaveLength(2);
const nameNode = ast.children?.[0];
const nestedNode = ast.children?.[1];
expect(nameNode).toMatchObject({
type: 'string',
key: 'name',
value: 'test'
});
expect(nestedNode).toMatchObject({
type: 'object',
key: 'nested'
});
expect(nestedNode?.children?.[0]).toMatchObject({
type: 'number',
key: 'value',
value: 42
});
});
test('should handle arrays', () => {
const ast = jsonToAst([1, 'two', true]);
expect(ast.type).toBe('array');
expect(ast.children).toHaveLength(3);
expect(ast.children?.[0]).toMatchObject({
type: 'number',
value: 1
});
expect(ast.children?.[1]).toMatchObject({
type: 'string',
value: 'two'
});
expect(ast.children?.[2]).toMatchObject({
type: 'boolean',
value: true
});
});
test('should include paths when includePath is true', () => {
const ast = jsonToAst({
user: {
name: 'test',
roles: ['admin', 'user']
}
}, { includePath: true });
const findNode = (node: JsonNode, key: string): JsonNode | undefined => {
if (node.key === key) return node;
if (!node.children) return undefined;
for (const child of node.children) {
const found = findNode(child, key);
if (found) return found;
}
return undefined;
};
const nameNode = findNode(ast, 'name');
const rolesNode = findNode(ast, 'roles');
expect(nameNode?.path).toBe('user.name');
expect(rolesNode?.path).toBe('user.roles');
expect(rolesNode?.children?.[0].path).toBe('user.roles[0]');
});
test('should respect maxDepth option', () => {
const deepObject = {
level1: {
level2: {
level3: {
value: 'too deep'
}
}
}
};
const ast = jsonToAst(deepObject, {
maxDepth: 2,
includePath: true
});
const level2 = ast.children?.[0].children?.[0];
expect(level2?.type).toBe('object');
// The implementation sets value to undefined when max depth is exceeded
expect(level2?.value).toBeUndefined();
expect(level2?.path).toBe('level1.level2');
});
test('should apply filter function when provided', () => {
const data = {
name: 'test',
age: 42,
active: true,
address: {
street: '123 Main St',
city: 'Anytown'
}
};
// Only include string and number values
const ast = jsonToAst(data, {
filter: (node: JsonNode) =>
node.type === 'string' ||
node.type === 'number' ||
node.type === 'object' // Keep objects to maintain structure
});
// Should have filtered out the boolean 'active' field
expect(ast.children).toHaveLength(3);
expect(ast.children?.some((c: any) => c.key === 'active')).toBe(false);
// Nested object should only have string properties
const addressNode = ast.children?.find((c: any) => c.key === 'address');
expect(addressNode?.children).toHaveLength(2);
expect(addressNode?.children?.every((c: any) =>
c.type === 'string' || c.key === 'city' || c.key === 'street'
)).toBe(true);
});
});

View File

@ -1,8 +1,8 @@
import Debug from 'debug';
import { createDelta } from '../src/core/delta-builder';
import { NegationHelper } from '../src/features';
import { RhizomeNode } from '../src/node';
import { Lossless } from '../src/views';
import { createDelta } from '@src/core/delta-builder';
import { NegationHelper } from '@src/features';
import { RhizomeNode } from '@src/node';
import { Lossless } from '@src/views';
const debug = Debug('rz:negation:test');
@ -16,16 +16,14 @@ describe('Negation System', () => {
});
describe('Negation Helper', () => {
it('should create negation deltas correctly', () => {
test('should create negation deltas correctly', () => {
const originalDelta = createDelta('user1', 'host1')
.setProperty('entity1', 'name', 'Alice')
.buildV1();
const negationDelta = NegationHelper.createNegation(
originalDelta.id,
'moderator',
'host1'
);
const negationDelta = createDelta('moderator', 'host1')
.negate(originalDelta.id)
.buildV1();
expect(negationDelta.creator).toBe('moderator');
expect(negationDelta.pointers).toHaveLength(1);
@ -37,28 +35,24 @@ describe('Negation System', () => {
expect(NegationHelper.isNegationDelta(negationDelta)).toBe(true);
});
it('should identify negation deltas', () => {
test('should identify negation deltas', () => {
const regularDelta = createDelta('user1', 'host1')
.setProperty('entity1', 'name', 'Entity 1')
.buildV1();
const negationDelta = NegationHelper.createNegation(
'delta-to-negate',
'moderator',
'host1'
);
const negationDelta = createDelta('moderator', 'host1')
.negate('delta-to-negate')
.buildV1();
expect(NegationHelper.isNegationDelta(regularDelta)).toBe(false);
expect(NegationHelper.isNegationDelta(negationDelta)).toBe(true);
});
it('should extract negated delta ID', () => {
test('should extract negated delta ID', () => {
const targetDeltaId = 'target-delta-123';
const negationDelta = NegationHelper.createNegation(
targetDeltaId,
'moderator',
'host1'
);
const negationDelta = createDelta('moderator', 'host1')
.negate(targetDeltaId)
.buildV1();
const extractedId = NegationHelper.getNegatedDeltaId(negationDelta);
expect(extractedId).toBe(targetDeltaId);
@ -70,7 +64,7 @@ describe('Negation System', () => {
expect(NegationHelper.getNegatedDeltaId(regularDelta)).toBeNull();
});
it('should find negations for specific deltas', () => {
test('should find negations for specific deltas', () => {
const delta1 = createDelta('user1', 'host1')
.setProperty('entity1', 'name', 'Entity 1')
.buildV1();
@ -79,9 +73,9 @@ describe('Negation System', () => {
.setProperty('entity1', 'age', 25)
.buildV1();
const negation1 = NegationHelper.createNegation(delta1.id, 'mod1', 'host1');
const negation2 = NegationHelper.createNegation(delta1.id, 'mod2', 'host1');
const negation3 = NegationHelper.createNegation(delta2.id, 'mod1', 'host1');
const negation1 = createDelta('mod1', 'host1').negate(delta1.id).buildV1();
const negation2 = createDelta('mod2', 'host1').negate(delta1.id).buildV1();
const negation3 = createDelta('mod1', 'host1').negate(delta2.id).buildV1();
const allDeltas = [delta1, delta2, negation1, negation2, negation3];
@ -95,7 +89,7 @@ describe('Negation System', () => {
expect(negationsForDelta2[0].id).toBe(negation3.id);
});
it('should check if deltas are negated', () => {
test('should check if deltas are negated', () => {
const delta1 = createDelta('user1', 'host1')
.setProperty('entity1', 'name', 'Entity 1')
.buildV1();
@ -104,14 +98,14 @@ describe('Negation System', () => {
.setProperty('entity1', 'age', 25)
.buildV1();
const negation1 = NegationHelper.createNegation(delta1.id, 'mod1', 'host1');
const negation1 = createDelta('mod1', 'host1').negate(delta1.id).buildV1();
const allDeltas = [delta1, delta2, negation1];
expect(NegationHelper.isDeltaNegated(delta1.id, allDeltas)).toBe(true);
expect(NegationHelper.isDeltaNegated(delta2.id, allDeltas)).toBe(false);
});
it('should filter out negated deltas', () => {
test('should filter out negated deltas', () => {
const delta1 = createDelta('user1', 'host1')
.setProperty('entity1', 'name', 'Entity 1')
.buildV1();
@ -124,8 +118,8 @@ describe('Negation System', () => {
.setProperty('entity1', 'email', 'entity1@example.com')
.buildV1();
const negation1 = NegationHelper.createNegation(delta1.id, 'mod1', 'host1');
const negation2 = NegationHelper.createNegation(delta2.id, 'mod2', 'host1');
const negation1 = createDelta('mod1', 'host1').negate(delta1.id).buildV1();
const negation2 = createDelta('mod2', 'host1').negate(delta2.id).buildV1();
const allDeltas = [delta1, delta2, delta3, negation1, negation2];
const filtered = NegationHelper.filterNegatedDeltas(allDeltas);
@ -135,7 +129,7 @@ describe('Negation System', () => {
expect(filtered[0].id).toBe(delta3.id);
});
it('should provide negation statistics', () => {
test('should provide negation statistics', () => {
const delta1 = createDelta('user1', 'host1')
.setProperty('entity1', 'name', 'Entity 1')
.buildV1();
@ -144,7 +138,7 @@ describe('Negation System', () => {
.setProperty('entity1', 'age', 25)
.buildV1();
const negation1 = NegationHelper.createNegation(delta1.id, 'mod1', 'host1');
const negation1 = createDelta('mod1', 'host1').negate(delta1.id).buildV1();
const allDeltas = [delta1, delta2, negation1];
const stats = NegationHelper.getNegationStats(allDeltas);
@ -157,7 +151,7 @@ describe('Negation System', () => {
expect(stats.negationMap.get(delta1.id)).toContain(negation1.id);
});
it('should apply negations chronologically', () => {
test('should apply negations chronologically', () => {
const baseTime = Date.now();
// Create deltas with specific timestamps
@ -166,7 +160,7 @@ describe('Negation System', () => {
.setProperty('entity1', 'status', 'active')
.buildV1();
const negation1 = NegationHelper.createNegation(delta1.id, 'mod1', 'host1');
const negation1 = createDelta('mod1', 'host1').negate(delta1.id).buildV1();
negation1.timeCreated = baseTime + 1000; // 1 second later
const delta2 = createDelta('user1', 'host1')
@ -174,7 +168,7 @@ describe('Negation System', () => {
.setProperty('entity1', 'status', 'inactive')
.buildV1();
const negation2 = NegationHelper.createNegation(delta2.id, 'mod1', 'host1');
const negation2 = createDelta('mod1', 'host1').negate(delta2.id).buildV1();
negation2.timeCreated = baseTime + 3000; // 3 seconds later
const allDeltas = [delta1, negation1, delta2, negation2];
@ -186,18 +180,16 @@ describe('Negation System', () => {
});
describe('Lossless View Integration', () => {
it('should filter negated deltas in lossless views', () => {
test('should filter negated deltas in lossless views', () => {
// Create original delta
const originalDelta = createDelta('user1', 'host1')
.setProperty('user123', 'name', 'Alice')
.buildV1();
// Create negation delta
const negationDelta = NegationHelper.createNegation(
originalDelta.id,
'moderator',
'host1'
);
const negationDelta = createDelta('moderator', 'host1')
.negate(originalDelta.id)
.buildV1();
// Create another non-negated delta
@ -211,7 +203,7 @@ describe('Negation System', () => {
lossless.ingestDelta(nonNegatedDelta);
// Get view - should only show non-negated delta
const view = lossless.view(['user123']);
const view = lossless.compose(['user123']);
expect(view.user123).toBeDefined();
@ -220,25 +212,25 @@ describe('Negation System', () => {
expect(view.user123.propertyDeltas.name).toBeUndefined();
});
it('should handle multiple negations of the same delta', () => {
test('should handle multiple negations of the same delta', () => {
const originalDelta = createDelta('user1', 'host1')
.setProperty('post1', 'content', 'Original content')
.buildV1();
const negation1 = NegationHelper.createNegation(originalDelta.id, 'mod1', 'host1');
const negation2 = NegationHelper.createNegation(originalDelta.id, 'mod2', 'host1');
const negation1 = createDelta('mod1', 'host1').negate(originalDelta.id).buildV1();
const negation2 = createDelta('mod2', 'host1').negate(originalDelta.id).buildV1();
lossless.ingestDelta(originalDelta);
lossless.ingestDelta(negation1);
lossless.ingestDelta(negation2);
const view = lossless.view(['post1']);
const view = lossless.compose(['post1']);
// Original delta should be negated (not visible)
expect(view.post1).toBeUndefined();
});
it('should provide negation statistics for entities', () => {
test('should provide negation statistics for entities', () => {
const delta1 = createDelta('user1', 'host1')
.setProperty('article1', 'title', 'Original Title')
.buildV1();
@ -247,7 +239,7 @@ describe('Negation System', () => {
.setProperty('article1', 'content', 'Article content')
.buildV1();
const negation1 = NegationHelper.createNegation(delta1.id, 'mod1', 'host1');
const negation1 = createDelta('mod1', 'host1').negate(delta1.id).buildV1();
lossless.ingestDelta(delta1);
lossless.ingestDelta(delta2);
@ -263,16 +255,12 @@ describe('Negation System', () => {
expect(stats.negationsByProperty.content.negated).toBe(0);
});
it('should retrieve negation deltas for entities', () => {
test('should retrieve negation deltas for entities', () => {
const originalDelta = createDelta('user1', 'host1')
.setProperty('task1', 'status', 'pending')
.buildV1();
const negationDelta = NegationHelper.createNegation(
originalDelta.id,
'admin',
'host1'
);
const negationDelta = createDelta('admin', 'host1').negate(originalDelta.id).buildV1();
lossless.ingestDelta(originalDelta);
lossless.ingestDelta(negationDelta);
@ -283,7 +271,7 @@ describe('Negation System', () => {
expect(negations[0].creator).toBe('admin');
});
it('should handle negation in transactions', () => {
test('should handle negation in transactions', () => {
const transactionId = 'tx-negation';
// Create transaction declaration
@ -299,7 +287,7 @@ describe('Negation System', () => {
.buildV1();
// Create negation delta in same transaction
const negationDelta = NegationHelper.createNegation(originalDelta.id, 'moderator', 'host1');
const negationDelta = createDelta('moderator', 'host1').negate(originalDelta.id).buildV1();
negationDelta.pointers.unshift({
localContext: '_transaction',
target: transactionId,
@ -310,11 +298,11 @@ describe('Negation System', () => {
lossless.ingestDelta(negationDelta);
// Transaction should complete, but original delta should be negated
const view = lossless.view(['post1']);
const view = lossless.compose(['post1']);
expect(view.post1).toBeUndefined(); // No visible deltas
});
it('should handle chronological negation scenarios', () => {
test('should handle chronological negation scenarios', () => {
const baseTime = Date.now();
// User posts content
@ -324,7 +312,7 @@ describe('Negation System', () => {
.buildV1();
// Moderator negates it
const negationDelta = NegationHelper.createNegation(postDelta.id, 'moderator', 'host1');
const negationDelta = createDelta('moderator', 'host1').negate(postDelta.id).buildV1();
negationDelta.timeCreated = baseTime + 1000;
// User edits content (after negation)
@ -337,7 +325,7 @@ describe('Negation System', () => {
lossless.ingestDelta(negationDelta);
lossless.ingestDelta(editDelta);
const view = lossless.view(['post1']);
const view = lossless.compose(['post1']);
// Should show edited content (edit happened after negation)
expect(view.post1).toBeDefined();
@ -350,12 +338,8 @@ describe('Negation System', () => {
});
describe('Edge Cases', () => {
it('should handle negation of non-existent deltas', () => {
const negationDelta = NegationHelper.createNegation(
'non-existent-delta-id',
'moderator',
'host1'
);
test('should handle negation of non-existent deltas', () => {
const negationDelta = createDelta('moderator', 'host1').negate('non-existent-delta-id').buildV1();
lossless.ingestDelta(negationDelta);
@ -364,23 +348,23 @@ describe('Negation System', () => {
expect(stats.negationDeltas).toBe(0); // No negations for this entity
});
it('should handle self-referential entities in negations', () => {
test('should handle self-referential entities in negations', () => {
// Create a delta that references itself
const selfRefDelta = createDelta('user1', 'host1')
.setProperty('node1', 'parent', 'node1')
.setProperty('node1', 'child', 'node1') // Self-reference
.setProperty('node1', 'parent', 'node1', 'node-as-parent')
.setProperty('node1', 'child', 'node1', 'node-as-child') // Self-reference
.buildV1();
const negationDelta = NegationHelper.createNegation(selfRefDelta.id, 'admin', 'host1');
const negationDelta = createDelta('admin', 'host1').negate(selfRefDelta.id).buildV1();
lossless.ingestDelta(selfRefDelta);
lossless.ingestDelta(negationDelta);
const view = lossless.view(['node1']);
const view = lossless.compose(['node1']);
expect(view.node1).toBeUndefined(); // Should be negated
});
it('should handle multiple direct negations of the same delta', () => {
test('should handle multiple direct negations of the same delta', () => {
const testNode = new RhizomeNode();
const testLossless = new Lossless(testNode);
@ -390,8 +374,8 @@ describe('Negation System', () => {
.buildV1();
// Create two negations of the same delta
const negation1 = NegationHelper.createNegation(originalDelta.id, 'user2', 'host1');
const negation2 = NegationHelper.createNegation(originalDelta.id, 'user3', 'host1');
const negation1 = createDelta('user2', 'host1').negate(originalDelta.id).buildV1();
const negation2 = createDelta('user3', 'host1').negate(originalDelta.id).buildV1();
// Process all deltas
testLossless.ingestDelta(originalDelta);
@ -399,7 +383,7 @@ describe('Negation System', () => {
testLossless.ingestDelta(negation2);
// Get the view after processing all deltas
const view = testLossless.view(['entity2']);
const view = testLossless.compose(['entity2']);
// The original delta should be negated (not in view) because it has two direct negations
expect(view.entity2).toBeUndefined();
@ -411,7 +395,7 @@ describe('Negation System', () => {
expect(stats.effectiveDeltas).toBe(0);
});
it('should handle complex negation chains', () => {
test('should handle complex negation chains', () => {
const testNode = new RhizomeNode();
const testLossless = new Lossless(testNode);
@ -421,9 +405,9 @@ describe('Negation System', () => {
.buildV1();
// Create a chain of negations: B negates A, C negates B, D negates C
const deltaB = NegationHelper.createNegation(deltaA.id, 'user2', 'host1');
const deltaC = NegationHelper.createNegation(deltaB.id, 'user3', 'host1');
const deltaD = NegationHelper.createNegation(deltaC.id, 'user4', 'host1');
const deltaB = createDelta('user2', 'host1').negate(deltaA.id).buildV1();
const deltaC = createDelta('user3', 'host1').negate(deltaB.id).buildV1();
const deltaD = createDelta('user4', 'host1').negate(deltaC.id).buildV1();
debug('Delta A (original): %s', deltaA.id);
debug('Delta B (negates A): %s', deltaB.id);
@ -437,7 +421,7 @@ describe('Negation System', () => {
testLossless.ingestDelta(deltaD);
// Get the view after processing all deltas
const view = testLossless.view(['entity3']);
const view = testLossless.compose(['entity3']);
// The original delta should be negated because:
// - B negates A
@ -484,7 +468,7 @@ describe('Negation System', () => {
expect(stats.effectiveDeltas).toBe(0);
});
it('should handle multiple independent negations', () => {
test('should handle multiple independent negations', () => {
const testNode = new RhizomeNode();
const testLossless = new Lossless(testNode);
@ -498,8 +482,8 @@ describe('Negation System', () => {
.buildV1();
// Create negations for both deltas
const negation1 = NegationHelper.createNegation(delta1.id, 'user3', 'host1');
const negation2 = NegationHelper.createNegation(delta2.id, 'user4', 'host1');
const negation1 = createDelta('user3', 'host1').negate(delta1.id).buildV1();
const negation2 = createDelta('user4', 'host1').negate(delta2.id).buildV1();
// Process all deltas
testLossless.ingestDelta(delta1);
@ -508,7 +492,7 @@ describe('Negation System', () => {
testLossless.ingestDelta(negation2);
// Get the view after processing all deltas
const view = testLossless.view(['entity4']);
const view = testLossless.compose(['entity4']);
// Both deltas should be negated
expect(view.entity4).toBeUndefined();

View File

@ -1,18 +1,18 @@
import {parseAddressList, PeerAddress} from '../src/network/peers';
import {parseAddressList, PeerAddress} from '@src/network/peers';
describe('PeerAddress', () => {
it('toString()', () => {
test('toString()', () => {
const addr = new PeerAddress('localhost', 1000);
expect(addr.toAddrString()).toBe("localhost:1000");
});
it('fromString()', () => {
test('fromString()', () => {
const addr = PeerAddress.fromString("localhost:1000");
expect(addr.addr).toBe("localhost");
expect(addr.port).toBe(1000);
});
it('parseAddressList()', () => {
test('parseAddressList()', () => {
const input = "255.255.255.255:99999, 0.0.0.0:0";
const result = parseAddressList(input);
expect(result).toHaveLength(2);

View File

@ -1,7 +1,7 @@
import { createDelta } from '../src/core/delta-builder';
import { Lossless } from '../src/views';
import { RhizomeNode } from '../src/node';
import { DeltaFilter } from '../src/core';
import { createDelta } from '@src/core/delta-builder';
import { Lossless } from '@src/views';
import { RhizomeNode } from '@src/node';
import { DeltaFilter } from '@src/core';
describe('Transactions', () => {
let node: RhizomeNode;
@ -13,7 +13,7 @@ describe('Transactions', () => {
});
describe('Transaction-based filtering', () => {
it('should exclude deltas from incomplete transactions', () => {
test('should exclude deltas from incomplete transactions', () => {
const transactionId = 'tx-123';
// Create a delta that declares a transaction with size 3
@ -39,7 +39,7 @@ describe('Transactions', () => {
lossless.ingestDelta(delta2);
// View should be empty because transaction is incomplete (2/3 deltas)
const view = lossless.view(['user123']);
const view = lossless.compose(['user123']);
expect(view.user123).toBeUndefined();
// Add the third delta to complete the transaction
@ -51,14 +51,14 @@ describe('Transactions', () => {
lossless.ingestDelta(delta3);
// Now the view should include all deltas from the completed transaction
const completeView = lossless.view(['user123']);
const completeView = lossless.compose(['user123']);
expect(completeView.user123).toBeDefined();
expect(completeView.user123.propertyDeltas.name).toHaveLength(1);
expect(completeView.user123.propertyDeltas.age).toHaveLength(1);
expect(completeView.user123.propertyDeltas.email).toHaveLength(1);
});
it('should handle multiple transactions independently', () => {
test('should handle multiple transactions independently', () => {
const tx1 = 'tx-001';
const tx2 = 'tx-002';
@ -87,7 +87,7 @@ describe('Transactions', () => {
);
// Neither transaction is complete
let view = lossless.view(['order1', 'order2']);
let view = lossless.compose(['order1', 'order2']);
expect(view.order1).toBeUndefined();
expect(view.order2).toBeUndefined();
@ -99,7 +99,7 @@ describe('Transactions', () => {
);
// tx1 is complete, tx2 is not
view = lossless.view(['order1', 'order2']);
view = lossless.compose(['order1', 'order2']);
expect(view.order1).toBeDefined();
expect(view.order1.propertyDeltas.status).toHaveLength(1);
expect(view.order1.propertyDeltas.total).toHaveLength(1);
@ -113,14 +113,14 @@ describe('Transactions', () => {
);
// Both transactions complete
view = lossless.view(['order1', 'order2']);
view = lossless.compose(['order1', 'order2']);
expect(view.order1).toBeDefined();
expect(view.order2).toBeDefined();
expect(view.order2.propertyDeltas.status).toHaveLength(1);
expect(view.order2.propertyDeltas.tracking).toHaveLength(1);
});
it('should work with transaction-aware delta filters', () => {
test('should work with transaction-aware delta filters', () => {
const transactionId = 'tx-filter-test';
// Create transaction with 2 deltas
@ -147,7 +147,7 @@ describe('Transactions', () => {
// With incomplete transaction, nothing should show
// But once complete, the filter should still apply
const view = lossless.view(['doc1'], userFilter);
const view = lossless.compose(['doc1'], userFilter);
// Even though transaction is complete, only delta from user1 should appear
expect(view.doc1).toBeDefined();
@ -155,7 +155,7 @@ describe('Transactions', () => {
expect(view.doc1.propertyDeltas.author).toBeUndefined();
});
it('should handle transaction with deltas affecting multiple entities', () => {
test('should handle transaction with deltas affecting multiple entities', () => {
const transactionId = 'tx-multi-entity';
// Transaction that updates multiple entities atomically
@ -182,7 +182,7 @@ describe('Transactions', () => {
);
// Transaction incomplete - no entities should show updates
let view = lossless.view(['account1', 'account2']);
let view = lossless.compose(['account1', 'account2']);
expect(view.account1).toBeUndefined();
expect(view.account2).toBeUndefined();
@ -197,7 +197,7 @@ describe('Transactions', () => {
);
// All entities should now be visible
view = lossless.view(['account1', 'account2', 'transfer123']);
view = lossless.compose(['account1', 'account2', 'transfer123']);
expect(view.account1).toBeDefined();
expect(view.account1.propertyDeltas.balance).toHaveLength(1);
expect(view.account2).toBeDefined();
@ -206,12 +206,12 @@ describe('Transactions', () => {
expect(view.transfer123.propertyDeltas.details).toHaveLength(1);
});
it('should emit events only when transactions complete', async () => {
test('should emit events only when transactions complete', async () => {
const transactionId = 'tx-events';
const updateEvents: Array<{ entityId: string, deltaIds: string[] }> = [];
// Listen for update events
lossless.eventStream.on('updated', (entityId, deltaIds) => {
lossless.eventStream.on('updated', (entityId: string, deltaIds: string[]) => {
updateEvents.push({ entityId, deltaIds });
});
@ -252,7 +252,7 @@ describe('Transactions', () => {
expect(entity1Update!.deltaIds).toContain(delta2.id);
});
it('should support waiting for transaction completion', async () => {
test('should support waiting for transaction completion', async () => {
const transactionId = 'tx-wait';
// Create transaction
@ -289,12 +289,12 @@ describe('Transactions', () => {
expect(isResolved).toBe(true);
// View should show completed transaction
const view = lossless.view(['job1']);
const view = lossless.compose(['job1']);
expect(view.job1).toBeDefined();
expect(view.job1.propertyDeltas.status).toHaveLength(2);
});
it('should handle non-transactional deltas normally', () => {
test('should handle non-transactional deltas normally', () => {
// Regular delta without transaction
const regularDelta = createDelta('user1', 'host1')
.addPointer('name', 'user456', 'name')
@ -302,14 +302,14 @@ describe('Transactions', () => {
.buildV1();
const updateEvents: string[] = [];
lossless.eventStream.on('updated', (entityId) => {
lossless.eventStream.on('updated', (entityId: string) => {
updateEvents.push(entityId);
});
lossless.ingestDelta(regularDelta);
// Should immediately appear in view
const view = lossless.view(['user456']);
const view = lossless.compose(['user456']);
expect(view.user456).toBeDefined();
expect(view.user456.propertyDeltas.name).toHaveLength(1);
@ -319,7 +319,7 @@ describe('Transactions', () => {
});
describe('Transaction edge cases', () => {
it('should handle transaction size updates', () => {
test('should handle transaction size updates', () => {
const transactionId = 'tx-resize';
// Initially declare transaction with size 2
@ -345,11 +345,11 @@ describe('Transactions', () => {
expect(lossless.transactions.isComplete(transactionId)).toBe(true);
// View should show the cart
const view = lossless.view(['cart1']);
const view = lossless.compose(['cart1']);
expect(view.cart1).toBeDefined();
});
it('should handle missing transaction size gracefully', () => {
test('should handle missing transaction size gracefully', () => {
const transactionId = 'tx-no-size';
// Add delta with transaction reference but no size declaration
@ -363,7 +363,7 @@ describe('Transactions', () => {
expect(lossless.transactions.isComplete(transactionId)).toBe(false);
// Delta should not appear in view
const view = lossless.view(['entity1']);
const view = lossless.compose(['entity1']);
expect(view.entity1).toBeUndefined();
// Declare size after the fact
@ -376,7 +376,7 @@ describe('Transactions', () => {
expect(lossless.transactions.isComplete(transactionId)).toBe(true);
// And delta should appear in view
const viewAfter = lossless.view(['entity1']);
const viewAfter = lossless.compose(['entity1']);
expect(viewAfter.entity1).toBeDefined();
});
});

View File

@ -1,10 +1,10 @@
import { QueryEngine } from '../src/query';
import { Lossless } from '../src/views';
import { DefaultSchemaRegistry } from '../src/schema';
import { SchemaBuilder, PrimitiveSchemas } from '../src/schema';
import { CommonSchemas } from '../util/schemas';
import { createDelta } from '../src/core/delta-builder';
import { RhizomeNode } from '../src/node';
import { QueryEngine } from '@src/query';
import { Lossless } from '@src/views';
import { DefaultSchemaRegistry } from '@src/schema';
import { SchemaBuilder, PrimitiveSchemas } from '@src/schema';
import { CommonSchemas } from '../../../util/schemas';
import { createDelta } from '@src/core/delta-builder';
import { RhizomeNode } from '@src/node';
describe('Query Engine', () => {
let queryEngine: QueryEngine;
@ -111,7 +111,7 @@ describe('Query Engine', () => {
}
describe('Basic Query Operations', () => {
it('can query all entities of a schema type', async () => {
test('can query all entities of a schema type', async () => {
// Create test users
await createUser('user1', 'Alice', 25, 'alice@example.com');
await createUser('user2', 'Bob', 30);
@ -127,7 +127,7 @@ describe('Query Engine', () => {
expect(result.entities['user3']).toBeDefined();
});
it('can query a single entity by ID', async () => {
test('can query a single entity by ID', async () => {
await createUser('user1', 'Alice', 25, 'alice@example.com');
const result = await queryEngine.queryOne('user', 'user1');
@ -139,7 +139,7 @@ describe('Query Engine', () => {
expect(result?.propertyDeltas.email).toBeDefined();
});
it('returns null for non-existent entity', async () => {
test('returns null for non-existent entity', async () => {
const result = await queryEngine.queryOne('user', 'nonexistent');
expect(result).toBeNull();
});
@ -154,7 +154,7 @@ describe('Query Engine', () => {
await createUser('user4', 'Diana', 20);
});
it('can filter by primitive property values', async () => {
test('can filter by primitive property values', async () => {
// Find users older than 28
const result = await queryEngine.query('user', {
'>': [{ 'var': 'age' }, 28]
@ -167,7 +167,7 @@ describe('Query Engine', () => {
expect(result.entities['user4']).toBeUndefined(); // Diana, 20
});
it('can filter by string properties', async () => {
test('can filter by string properties', async () => {
// Find users with name starting with 'A' - using substring check instead of startsWith
const result = await queryEngine.query('user', {
'in': ['A', { 'var': 'name' }]
@ -177,7 +177,7 @@ describe('Query Engine', () => {
expect(result.entities['user1']).toBeDefined(); // Alice
});
it('can filter by null/missing properties', async () => {
test('can filter by null/missing properties', async () => {
// Find users without email
const result = await queryEngine.query('user', {
'==': [{ 'var': 'email' }, null]
@ -187,7 +187,7 @@ describe('Query Engine', () => {
expect(result.entities['user4']).toBeDefined(); // Diana has no email
});
it('can use complex logic expressions', async () => {
test('can use complex logic expressions', async () => {
// Find users who are (older than 30) OR (younger than 25 AND have email)
const result = await queryEngine.query('user', {
'or': [
@ -216,7 +216,7 @@ describe('Query Engine', () => {
await createBlogPost('post4', 'Popular Post', 'charlie', true, 1000);
});
it('can filter published posts', async () => {
test('can filter published posts', async () => {
const result = await queryEngine.query('blog-post', {
'==': [{ 'var': 'published' }, true]
});
@ -228,7 +228,7 @@ describe('Query Engine', () => {
expect(result.entities['post3']).toBeUndefined(); // Draft
});
it('can filter by author', async () => {
test('can filter by author', async () => {
const result = await queryEngine.query('blog-post', {
'==': [{ 'var': 'author' }, 'alice']
});
@ -238,7 +238,7 @@ describe('Query Engine', () => {
expect(result.entities['post3']).toBeDefined();
});
it('can filter by view count ranges', async () => {
test('can filter by view count ranges', async () => {
// Posts with more than 100 views
const result = await queryEngine.query('blog-post', {
'>': [{ 'var': 'views' }, 100]
@ -257,7 +257,7 @@ describe('Query Engine', () => {
}
});
it('can limit query results', async () => {
test('can limit query results', async () => {
const result = await queryEngine.query('user', undefined, { maxResults: 5 });
expect(result.totalFound).toBe(10);
@ -265,7 +265,7 @@ describe('Query Engine', () => {
expect(Object.keys(result.entities)).toHaveLength(5);
});
it('respects delta filters', async () => {
test('respects delta filters', async () => {
const result = await queryEngine.query('user', undefined, {
deltaFilter: (delta) => delta.creator === 'test'
});
@ -276,7 +276,7 @@ describe('Query Engine', () => {
});
describe('Statistics', () => {
it('provides query engine statistics', async () => {
test('provides query engine statistics', async () => {
await createUser('user1', 'Alice', 25);
await createBlogPost('post1', 'Test Post', 'alice', true, 50);
@ -290,13 +290,13 @@ describe('Query Engine', () => {
});
describe('Error Handling', () => {
it('handles invalid schema IDs gracefully', async () => {
test('handles invalid schema IDs gracefully', async () => {
const result = await queryEngine.query('nonexistent-schema');
expect(result.totalFound).toBe(0);
expect(Object.keys(result.entities)).toHaveLength(0);
});
it('rejects invalid JSON Logic operators', async () => {
test('rejects invalid JSON Logic operators', async () => {
await createUser('user1', 'Alice', 25);
// Should throw an error for invalid operator
@ -307,7 +307,7 @@ describe('Query Engine', () => {
).rejects.toThrow('Invalid query operator: invalid-operator');
});
it('handles valid JSON Logic expressions with runtime errors', async () => {
test('handles valid JSON Logic expressions with runtime errors', async () => {
await createUser('user1', 'Alice', 25);
// This is a valid operator but will cause a runtime error due to type mismatch

View File

@ -1,12 +1,12 @@
import {Delta, DeltaFilter, DeltaV2} from '../src/core';
import {Lossless} from '../src/views';
import {RhizomeNode} from '../src/node';
import {createDelta} from '../src/core/delta-builder';
import {DeltaFilter} from '@src/core';
import {Lossless} from '@src/views';
import {RhizomeNode} from '@src/node';
import {createDelta} from '@src/core/delta-builder';
describe('Lossless', () => {
const node = new RhizomeNode();
it('creates a lossless view of keanu as neo in the matrix', () => {
test('creates a lossless view of keanu as neo in the matrix', () => {
const delta = createDelta('a', 'h')
.addPointer('actor', 'keanu', 'roles')
.addPointer('role', 'neo', 'actor')
@ -39,7 +39,7 @@ describe('Lossless', () => {
lossless.ingestDelta(delta);
expect(lossless.view()).toMatchObject({
expect(lossless.compose()).toMatchObject({
keanu: {
referencedAs: ["actor"],
propertyDeltas: {
@ -91,7 +91,7 @@ describe('Lossless', () => {
});
});
it('accepts DeltaV2 instances', () => {
test('accepts DeltaV2 instances', () => {
const delta = createDelta('a', 'h')
.addPointer('actor', 'keanu', 'roles')
.addPointer('role', 'neo', 'actor')
@ -104,7 +104,7 @@ describe('Lossless', () => {
lossless.ingestDelta(delta);
expect(lossless.view()).toMatchObject({
expect(lossless.compose()).toMatchObject({
keanu: {
referencedAs: ["actor"],
propertyDeltas: {
@ -175,7 +175,7 @@ describe('Lossless', () => {
.buildV1()
);
expect(lossless.view()).toMatchObject({
expect(lossless.compose()).toMatchObject({
ace: {
referencedAs: ["1", "14"],
propertyDeltas: {
@ -197,12 +197,12 @@ describe('Lossless', () => {
});
});
it('filter by creator and host', () => {
test('filter by creator and host', () => {
const filter: DeltaFilter = ({creator, host}) => {
return creator === 'A' && host === 'H';
};
expect(lossless.view(undefined, filter)).toMatchObject({
expect(lossless.compose(undefined, filter)).toMatchObject({
ace: {
referencedAs: ["1"],
propertyDeltas: {
@ -217,7 +217,7 @@ describe('Lossless', () => {
}
});
expect(lossless.view(["ace"], filter)).toMatchObject({
expect(lossless.compose(["ace"], filter)).toMatchObject({
ace: {
referencedAs: ["1"],
propertyDeltas: {
@ -233,7 +233,7 @@ describe('Lossless', () => {
});
});
it('filter with transactions', () => {
test('filter with transactions', () => {
const losslessT = new Lossless(node);
const transactionId = 'tx-filter-test';
@ -261,7 +261,7 @@ describe('Lossless', () => {
);
// Transaction incomplete - nothing should show
const incompleteView = losslessT.view(['process1']);
const incompleteView = losslessT.compose(['process1']);
expect(incompleteView.process1).toBeUndefined();
// A2: Second delta from creator A completes transaction
@ -274,13 +274,13 @@ describe('Lossless', () => {
);
// All deltas visible now
const completeView = losslessT.view(['process1']);
const completeView = losslessT.compose(['process1']);
expect(completeView.process1).toBeDefined();
expect(completeView.process1.propertyDeltas.status).toHaveLength(3);
// Filter by creator A only
const filterA: DeltaFilter = ({creator}) => creator === 'A';
const filteredView = losslessT.view(['process1'], filterA);
const filteredView = losslessT.compose(['process1'], filterA);
expect(filteredView.process1).toBeDefined();
expect(filteredView.process1.propertyDeltas.status).toHaveLength(2);

View File

@ -0,0 +1,123 @@
import Debug from 'debug';
import { PointerTarget } from "@src/core/delta";
import { Lossless, LosslessViewOne } from "@src/views/lossless";
import { Lossy } from "@src/views/lossy";
import { RhizomeNode } from "@src/node";
import { valueFromCollapsedDelta } from "@src/views/lossless";
import { latestFromCollapsedDeltas } from "@src/views/resolvers/timestamp-resolvers";
import { createDelta } from "@src/core/delta-builder";
const debug = Debug('rz:test:lossy');
type Role = {
actor: PointerTarget,
film: PointerTarget,
role: PointerTarget
};
type Summary = {
roles: Role[];
};
class Summarizer extends Lossy<Summary> {
private readonly debug: debug.Debugger;
constructor(lossless: Lossless) {
super(lossless);
this.debug = Debug('rz:test:lossy:summarizer');
}
initializer(): Summary {
this.debug('Initializing new summary');
return {
roles: []
};
}
// TODO: Add more rigor to this example approach to generating a summary.
// it's really not CRDT, it likely depends on the order of the pointers.
// TODO: Prove with failing test
reducer(acc: Summary, cur: LosslessViewOne): Summary {
this.debug(`Processing view for entity ${cur.id} (referenced as: ${cur.referencedAs.join(', ')})`);
this.debug(`lossless view:`, JSON.stringify(cur));
if (cur.referencedAs.includes("role")) {
this.debug(`Found role entity: ${cur.id}`);
const actorDeltas = cur.propertyDeltas["actor"];
this.debug(`Found ${actorDeltas?.length ?? 0} actor deltas`);
const {delta, value: actor} = latestFromCollapsedDeltas("actor", actorDeltas) ?? {};
if (!delta) {
this.debug('No delta found for actor property');
throw new Error('expected to find delta');
}
if (!actor) {
this.debug('No actor value found in deltas');
throw new Error('expected to find actor');
}
this.debug(`Found actor: ${actor}`);
const film = valueFromCollapsedDelta("film", delta);
if (!film) {
this.debug('No film property found in delta');
throw new Error('expected to find film');
}
this.debug(`Found film: ${film}`);
const role = {
role: cur.id,
actor,
film
};
acc.roles.push(role);
this.debug(`Added role: ${JSON.stringify(role)}`);
}
this.debug(`Updated accumulator: ${JSON.stringify(acc, null, 2)}`);
return acc;
}
resolver(acc: Summary): Summary {
this.debug(`Resolving summary with ${acc.roles.length} roles`);
return acc;
}
}
describe('Lossy', () => {
describe('use a provided initializer, reducer, and resolver to resolve entity views', () => {
const node = new RhizomeNode();
const lossless = new Lossless(node);
const lossy = new Summarizer(lossless);
beforeAll(() => {
lossless.ingestDelta(createDelta('a', 'h')
.addPointer('actor', 'keanu', 'roles')
.addPointer('role', 'neo', 'actor')
.addPointer('film', 'the_matrix', 'cast')
.addPointer('base_salary', 1000000)
.addPointer('salary_currency', 'usd')
.buildV1()
);
});
test('example summary', () => {
const result = lossy.resolve();
debug('result', result);
expect(result).toEqual({
roles: [{
film: "the_matrix",
role: "neo",
actor: "keanu"
}]
});
});
});
});

View File

@ -4,11 +4,11 @@
* between multiple entities and includes scalar values.
*/
import { RhizomeNode } from '../src/node';
import { createDelta } from '../src/core/delta-builder';
import { DefaultSchemaRegistry } from '../src/schema';
import { SchemaBuilder, PrimitiveSchemas, ReferenceSchemas, SchemaAppliedViewWithNesting } from '../src/schema';
import { TypedCollectionImpl } from '../src/collections';
import { RhizomeNode } from '@src/node';
import { createDelta } from '@src/core/delta-builder';
import { DefaultSchemaRegistry } from '@src/schema';
import { SchemaBuilder, PrimitiveSchemas, ReferenceSchemas, SchemaAppliedViewWithNesting } from '@src/schema';
import { TypedCollectionImpl } from '@src/collections';
describe('Multi-Pointer Delta Resolution', () => {
let node: RhizomeNode;
@ -20,7 +20,7 @@ describe('Multi-Pointer Delta Resolution', () => {
});
describe('Three-Entity Relationship Deltas', () => {
it('should handle movie casting deltas with actor, movie, role, and scalars', async () => {
test('should handle movie casting deltas with actor, movie, role, and scalars', async () => {
// Create schemas for a movie casting scenario
const actorSchema = SchemaBuilder
.create('actor')
@ -86,7 +86,7 @@ describe('Multi-Pointer Delta Resolution', () => {
node.lossless.ingestDelta(castingDelta);
// Test from Keanu's perspective
const keanuViews = node.lossless.view(['keanu']);
const keanuViews = node.lossless.compose(['keanu']);
const keanuView = keanuViews['keanu'];
expect(keanuView.propertyDeltas.filmography).toBeDefined();
@ -115,7 +115,7 @@ describe('Multi-Pointer Delta Resolution', () => {
}
// Test from Matrix's perspective
const matrixViews = node.lossless.view(['matrix']);
const matrixViews = node.lossless.compose(['matrix']);
const matrixView = matrixViews['matrix'];
const nestedMatrixView = schemaRegistry.applySchemaWithNesting(
@ -129,7 +129,7 @@ describe('Multi-Pointer Delta Resolution', () => {
expect(nestedMatrixView.nestedObjects.cast).toBeDefined();
});
it('should handle deltas with mixed scalar and reference values correctly', async () => {
test('should handle deltas with mixed scalar and reference values correctly', async () => {
// Create a simpler schema for testing mixed values
const personSchema = SchemaBuilder
.create('person')
@ -170,7 +170,7 @@ describe('Multi-Pointer Delta Resolution', () => {
node.lossless.ingestDelta(relationshipDelta);
// Test from Alice's perspective
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
const nestedAliceView = schemaRegistry.applySchemaWithNesting(
@ -198,7 +198,7 @@ describe('Multi-Pointer Delta Resolution', () => {
}
});
it('should correctly identify multiple entity references within a single delta', async () => {
test('should correctly identify multiple entity references within a single delta', async () => {
// Test a scenario with multiple entity references that should all be resolved
const projectSchema = SchemaBuilder
.create('project')
@ -245,7 +245,7 @@ describe('Multi-Pointer Delta Resolution', () => {
node.lossless.ingestDelta(collaborationDelta);
// Test from project's perspective
const projectViews = node.lossless.view(['website']);
const projectViews = node.lossless.compose(['website']);
const projectView = projectViews['website'];
const nestedProjectView = schemaRegistry.applySchemaWithNesting(

View File

@ -9,12 +9,12 @@
* - Deep nesting scenarios
*/
import { RhizomeNode } from '../src/node';
import { DefaultSchemaRegistry } from '../src/schema';
import { SchemaBuilder, PrimitiveSchemas, ReferenceSchemas } from '../src/schema';
import { CommonSchemas } from '../util/schemas';
import { TypedCollectionImpl } from '../src/collections';
import { createDelta } from '../src/core/delta-builder';
import { RhizomeNode } from '@src/node';
import { DefaultSchemaRegistry } from '@src/schema';
import { SchemaBuilder, PrimitiveSchemas, ReferenceSchemas } from '@src/schema';
import { CommonSchemas } from '../../../util/schemas';
import { TypedCollectionImpl } from '@src/collections';
import { createDelta } from '@src/core/delta-builder';
describe('Nested Object Resolution', () => {
let node: RhizomeNode;
@ -35,7 +35,7 @@ describe('Nested Object Resolution', () => {
});
describe('Basic Reference Resolution', () => {
it('should resolve single-level user references with UserSummary schema', async () => {
test('should resolve single-level user references with UserSummary schema', async () => {
const userCollection = new TypedCollectionImpl<{
name: string;
email?: string;
@ -62,7 +62,7 @@ describe('Nested Object Resolution', () => {
node.lossless.ingestDelta(friendshipDelta);
// Get Alice's lossless view
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
expect(aliceView).toBeDefined();
@ -92,7 +92,7 @@ describe('Nested Object Resolution', () => {
}
});
it('should handle missing references gracefully', async () => {
test('should handle missing references gracefully', async () => {
const userCollection = new TypedCollectionImpl<{
name: string;
friends?: string[];
@ -109,7 +109,7 @@ describe('Nested Object Resolution', () => {
.buildV1();
node.lossless.ingestDelta(friendshipDelta);
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
const nestedView = schemaRegistry.applySchemaWithNesting(
@ -129,7 +129,7 @@ describe('Nested Object Resolution', () => {
});
describe('Depth Limiting', () => {
it('should respect maxDepth parameter and truncate deep nesting', async () => {
test('should respect maxDepth parameter and truncate deep nesting', async () => {
// Create a custom schema with deeper nesting for testing
const deepUserSchema = SchemaBuilder
.create('deep-user')
@ -167,7 +167,7 @@ describe('Nested Object Resolution', () => {
.buildV1();
node.lossless.ingestDelta(mentorshipDelta2);
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
// Test with maxDepth = 1 (should only resolve Alice and Bob)
@ -217,7 +217,7 @@ describe('Nested Object Resolution', () => {
});
describe('Circular Reference Prevention', () => {
it('should detect and prevent circular references', async () => {
test('should detect and prevent circular references', async () => {
const userCollection = new TypedCollectionImpl<{
name: string;
friends?: string[];
@ -242,7 +242,7 @@ describe('Nested Object Resolution', () => {
.buildV1();
node.lossless.ingestDelta(friendship2);
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
// Should handle circular reference without infinite recursion
@ -260,7 +260,7 @@ describe('Nested Object Resolution', () => {
expect(nestedView.metadata?.truncated).toBeDefined();
});
it('should handle self-references correctly', async () => {
test('should handle self-references correctly', async () => {
const userCollection = new TypedCollectionImpl<{
name: string;
friends?: string[];
@ -277,7 +277,7 @@ describe('Nested Object Resolution', () => {
.buildV1();
node.lossless.ingestDelta(selfFriendship);
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
const nestedView = schemaRegistry.applySchemaWithNesting(
@ -293,7 +293,7 @@ describe('Nested Object Resolution', () => {
});
describe('Array References', () => {
it('should resolve arrays of references correctly', async () => {
test('should resolve arrays of references correctly', async () => {
const userCollection = new TypedCollectionImpl<{
name: string;
friends?: string[];
@ -319,7 +319,7 @@ describe('Nested Object Resolution', () => {
.buildV1();
node.lossless.ingestDelta(friendship2);
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
const nestedView = schemaRegistry.applySchemaWithNesting(
@ -348,7 +348,7 @@ describe('Nested Object Resolution', () => {
});
describe('Summary Schema Pattern', () => {
it('should use Summary schema to break infinite recursion', async () => {
test('should use Summary schema to break infinite recursion', async () => {
// The User schema references user-summary for friends
// This tests the pattern mentioned in the spec
const userCollection = new TypedCollectionImpl<{
@ -375,7 +375,7 @@ describe('Nested Object Resolution', () => {
.buildV1();
node.lossless.ingestDelta(friendship);
const aliceViews = node.lossless.view(['alice']);
const aliceViews = node.lossless.compose(['alice']);
const aliceView = aliceViews['alice'];
const nestedView = schemaRegistry.applySchemaWithNesting(

View File

@ -8,9 +8,8 @@ import {
AverageResolver,
CountResolver,
AggregationType
} from "../src";
import { createDelta } from "../src/core/delta-builder";
import { Delta } from "../src/core/delta";
} from "@src";
import { createDelta } from "@src/core/delta-builder";
describe('Aggregation Resolvers', () => {
let node: RhizomeNode;
@ -23,6 +22,8 @@ describe('Aggregation Resolvers', () => {
describe('Basic Aggregation', () => {
test('should aggregate numbers using min resolver', () => {
const minResolver = new MinResolver(lossless, ['score']);
// Add first entity with score 10
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'score', 10, 'collection')
@ -41,7 +42,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const minResolver = new MinResolver(lossless, ['score']);
const result = minResolver.resolve();
expect(result).toBeDefined();
@ -52,6 +52,8 @@ describe('Aggregation Resolvers', () => {
});
test('should aggregate numbers using max resolver', () => {
const maxResolver = new MaxResolver(lossless, ['score']);
// Add deltas for entities
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'score', 10, 'collection')
@ -68,7 +70,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const maxResolver = new MaxResolver(lossless, ['score']);
const result = maxResolver.resolve();
expect(result).toBeDefined();
@ -78,6 +79,8 @@ describe('Aggregation Resolvers', () => {
});
test('should aggregate numbers using sum resolver', () => {
const sumResolver = new SumResolver(lossless, ['value']);
// Add first value for entity1
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'value', 10, 'collection')
@ -96,7 +99,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const sumResolver = new SumResolver(lossless, ['value']);
const result = sumResolver.resolve();
expect(result).toBeDefined();
@ -105,6 +107,8 @@ describe('Aggregation Resolvers', () => {
});
test('should aggregate numbers using average resolver', () => {
const avgResolver = new AverageResolver(lossless, ['score']);
// Add multiple scores for entity1
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'score', 10, 'collection')
@ -122,7 +126,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const avgResolver = new AverageResolver(lossless, ['score']);
const result = avgResolver.resolve();
expect(result).toBeDefined();
@ -131,6 +134,8 @@ describe('Aggregation Resolvers', () => {
});
test('should count values using count resolver', () => {
const countResolver = new CountResolver(lossless, ['visits']);
// Add multiple visit deltas for entity1
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'visits', 1, 'collection')
@ -148,7 +153,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const countResolver = new CountResolver(lossless, ['visits']);
const result = countResolver.resolve();
expect(result).toBeDefined();
@ -159,6 +163,12 @@ describe('Aggregation Resolvers', () => {
describe('Custom Aggregation Configuration', () => {
test('should handle mixed aggregation types', () => {
const resolver = new AggregationResolver(lossless, {
min_val: 'min' as AggregationType,
max_val: 'max' as AggregationType,
sum_val: 'sum' as AggregationType
});
// Add first set of values
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'min_val', 10, 'collection')
@ -191,11 +201,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const resolver = new AggregationResolver(lossless, {
min_val: 'min' as AggregationType,
max_val: 'max' as AggregationType,
sum_val: 'sum' as AggregationType
});
const result = resolver.resolve();
expect(result).toBeDefined();
@ -207,6 +212,11 @@ describe('Aggregation Resolvers', () => {
});
test('should ignore non-numeric values', () => {
const resolver = new AggregationResolver(lossless, {
score: 'sum' as AggregationType,
name: 'count' as AggregationType
});
// Add numeric value
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'score', 10, 'collection')
@ -225,8 +235,7 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const sumResolver = new SumResolver(lossless, ['score', 'name']);
const result = sumResolver.resolve();
const result = resolver.resolve();
expect(result).toBeDefined();
const entity = result!['entity1'];
@ -235,13 +244,13 @@ describe('Aggregation Resolvers', () => {
});
test('should handle empty value arrays', () => {
const sumResolver = new SumResolver(lossless, ['score']);
// Create entity with non-aggregated property
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'name', 'test', 'collection')
.buildV1()
);
const sumResolver = new SumResolver(lossless, ['score']);
const result = sumResolver.resolve();
expect(result).toBeDefined();
@ -252,12 +261,13 @@ describe('Aggregation Resolvers', () => {
describe('Edge Cases', () => {
test('should handle single value aggregations', () => {
const avgResolver = new AverageResolver(lossless, ['value']);
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'value', 42, 'collection')
.buildV1()
);
const avgResolver = new AverageResolver(lossless, ['value']);
const result = avgResolver.resolve();
expect(result).toBeDefined();
@ -265,6 +275,8 @@ describe('Aggregation Resolvers', () => {
});
test('should handle zero values', () => {
const sumResolver = new SumResolver(lossless, ['value']);
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'value', 0, 'collection')
.buildV1()
@ -275,7 +287,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const sumResolver = new SumResolver(lossless, ['value']);
const result = sumResolver.resolve();
expect(result).toBeDefined();
@ -283,6 +294,8 @@ describe('Aggregation Resolvers', () => {
});
test('should handle negative values', () => {
const minResolver = new MinResolver(lossless, ['value']);
lossless.ingestDelta(createDelta('test', 'host1')
.setProperty('entity1', 'value', -5, 'collection')
.buildV1()
@ -293,7 +306,6 @@ describe('Aggregation Resolvers', () => {
.buildV1()
);
const minResolver = new MinResolver(lossless, ['value']);
const result = minResolver.resolve();
expect(result).toBeDefined();

View File

@ -0,0 +1,59 @@
import { describe, test, expect } from '@jest/globals';
import { ConcatenationPlugin } from '@src/views/resolvers/custom-resolvers';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
describe('ConcatenationPlugin', () => {
test('should join string values chronologically', async () => {
// Define test data
const entityId = 'entity1';
// Run test & verify results
const result = await testResolverWithPlugins({
entityId,
plugins: {
tags: new ConcatenationPlugin()
},
deltas: [
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'tags', 'red', 'color1')
.buildV1(),
createTestDelta('user1', 'host1')
.withTimestamp(3000)
.setProperty(entityId, 'tags', 'blue', 'color2')
.buildV1(),
createTestDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'tags', 'green', 'color3')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result?.properties.tags).toBe('red green blue');
});
test('should handle empty values', async () => {
// Define test data
const entityId = 'entity1';
// Run test & verify results
const result = await testResolverWithPlugins({
entityId,
plugins: {
tags: new ConcatenationPlugin()
},
deltas: [
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'tags', null, 'tag1')
.buildV1(),
createTestDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'tags', 'blue', 'tag2')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result?.properties.tags).toBe('blue');
});
});

View File

@ -0,0 +1,57 @@
import { describe, test, expect } from '@jest/globals';
import { FirstWriteWinsPlugin } from '@src/views/resolvers/custom-resolvers';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
describe('FirstWriteWinsPlugin', () => {
test('should resolve to earliest value by timestamp', async () => {
// Arrange
const entityId = 'entity1';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
name: new FirstWriteWinsPlugin()
},
deltas: [
// Later delta (should be ignored by FirstWriteWins)
createTestDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'name', 'second', 'collection')
.buildV1(),
// Earlier delta (should win with FirstWriteWins)
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'name', 'first', 'collection')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result.properties.name).toBe('first');
});
test('should handle concurrent updates with same timestamp', async () => {
// Arrange
const entityId = 'entity1';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
status: new FirstWriteWinsPlugin()
},
deltas: [
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'status', 'active', 'collection')
.buildV1(),
createTestDelta('user2', 'host2')
.withTimestamp(1000)
.setProperty(entityId, 'status', 'inactive', 'collection')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result.properties.status).toBe('active');
});
});

View File

@ -0,0 +1,58 @@
import { describe, test, expect } from '@jest/globals';
import { LastWriteWinsPlugin } from '@src/views/resolvers/custom-resolvers';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
describe('LastWriteWinsPlugin', () => {
test('should resolve to most recent value by timestamp', async () => {
// Arrange
const entityId = 'entity1';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
name: new LastWriteWinsPlugin()
},
deltas: [
// First delta with earlier timestamp
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'name', 'first', 'collection')
.buildV1(),
// Second delta with later timestamp (should win)
createTestDelta()
.withTimestamp(2000)
.setProperty(entityId, 'name', 'second', 'collection')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result?.properties.name).toBe('second');
});
test('should handle concurrent updates with same timestamp', async () => {
// Arrange
const entityId = 'entity1';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
status: new LastWriteWinsPlugin()
},
deltas: [
// Two deltas with same timestamp
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'status', 'active', 'collection')
.buildV1(),
createTestDelta('user2', 'host2')
.withTimestamp(1000)
.setProperty(entityId, 'status', 'inactive', 'collection')
.buildV1()
],
});
expect(result).toBeDefined();
expect(['active', 'inactive']).toContain(result?.properties.status);
});
});

View File

@ -0,0 +1,81 @@
import { describe, test, expect } from '@jest/globals';
import { MajorityVotePlugin } from '@src/views/resolvers/custom-resolvers';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
describe('MajorityVotePlugin', () => {
test('should resolve to value with majority votes', async () => {
// Arrange
const entityId = 'poll1';
// Create deltas for testing
const deltas = [];
// Add three votes for 'yes'
for (let i = 0; i < 3; i++) {
deltas.push(
createTestDelta(`user${i}`, 'host1')
.withTimestamp(1000 + i)
.setProperty(entityId, 'result', 'yes', 'polls')
.buildV1()
);
}
// Add two votes for 'no'
for (let i = 0; i < 2; i++) {
deltas.push(
createTestDelta(`user${i + 3}`, 'host1')
.withTimestamp(2000 + i)
.setProperty(entityId, 'result', 'no', 'polls')
.buildV1()
);
}
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
result: new MajorityVotePlugin()
},
deltas,
});
expect(result).toBeDefined();
expect(result.properties.result).toBe('yes');
});
test('should handle tie by returning the first value with the maximum count', async () => {
// Arrange
const entityId = 'tie1';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
result: new MajorityVotePlugin()
},
deltas: [
// Two votes for 'no' (added first)
createTestDelta('user3', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'result', 'no', 'polls')
.buildV1(),
createTestDelta('user4', 'host1')
.withTimestamp(2500)
.setProperty(entityId, 'result', 'no', 'polls')
.buildV1(),
// Two votes for 'yes' (added later, but the implementation doesn't track order)
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'result', 'yes', 'polls')
.buildV1(),
createTestDelta('user2', 'host1')
.withTimestamp(1500)
.setProperty(entityId, 'result', 'yes', 'polls')
.buildV1()
]
});
expect(result).toBeDefined();
// The current implementation will return the first value it encounters with the maximum count
// Since we can't guarantee the order of Map iteration, we'll just check that we get a result
expect(['yes', 'no']).toContain(result.properties.result);
});
});

View File

@ -0,0 +1,60 @@
import { describe, test, expect } from '@jest/globals';
import { MaxPlugin } from '@src/views/resolvers/custom-resolvers';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
describe('MaxPlugin', () => {
test('should resolve to the maximum numeric value', async () => {
// Arrange
const entityId = 'sensor1';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
temperature: new MaxPlugin()
},
deltas: [
// Add multiple values
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'temperature', 25, 'readings')
.buildV1(),
createTestDelta('user2', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'temperature', 22, 'readings')
.buildV1(),
createTestDelta('user3', 'host1')
.withTimestamp(3000)
.setProperty(entityId, 'temperature', 27, 'readings')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result.properties.temperature).toBe(27);
});
test('should handle negative numbers', async () => {
// Arrange
const entityId = 'sensor2';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
value: new MaxPlugin()
},
deltas: [
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'value', -5, 'readings')
.buildV1(),
createTestDelta('user2', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'value', -10, 'readings')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result.properties.value).toBe(-5);
});
});

View File

@ -0,0 +1,60 @@
import { describe, test, expect } from '@jest/globals';
import { MinPlugin } from '@src/views/resolvers/custom-resolvers';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
describe('MinPlugin', () => {
test('should resolve to the minimum numeric value', async () => {
// Arrange
const entityId = 'sensor1';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
temperature: new MinPlugin()
},
deltas: [
// Add multiple values
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'temperature', 25, 'readings')
.buildV1(),
createTestDelta('user2', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'temperature', 22, 'readings')
.buildV1(),
createTestDelta('user3', 'host1')
.withTimestamp(3000)
.setProperty(entityId, 'temperature', 27, 'readings')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result?.properties.temperature).toBe(22);
});
test('should handle negative numbers', async () => {
// Arrange
const entityId = 'sensor2';
// Act & Assert
const result = await testResolverWithPlugins({
entityId,
plugins: {
value: new MinPlugin()
},
deltas: [
createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty(entityId, 'value', -5, 'readings')
.buildV1(),
createTestDelta('user2', 'host1')
.withTimestamp(2000)
.setProperty(entityId, 'value', -10, 'readings')
.buildV1()
],
});
expect(result).toBeDefined();
expect(result?.properties.value).toBe(-10);
});
});

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import { describe, test, expect, beforeEach } from '@jest/globals';
import { RhizomeNode, Lossless, createDelta } from '@src';
import { CollapsedDelta } from '@src/views/lossless';
import { CustomResolver, ResolverPlugin } from '@src/views/resolvers/custom-resolvers';
type PropertyTypes = string | number | boolean | null;
describe('Basic Dependency Resolution', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
test('should resolve dependencies in correct order', () => {
// Define a simple plugin that depends on another
class FirstPlugin extends ResolverPlugin<{ value: string }, string> {
readonly dependencies = [] as const;
initialize() {
return { value: '' };
}
update(currentState: { value: string }, newValue: PropertyTypes) {
if (newValue === undefined) return currentState;
return { value: String(newValue) };
}
resolve(state: { value: string }) {
return state.value.toUpperCase();
}
}
class SecondPlugin extends ResolverPlugin<{ value: string }, string> {
readonly dependencies = ['first'] as const;
initialize() {
return { value: '' };
}
update(currentState: { value: string }, newValue?: PropertyTypes, _delta?: CollapsedDelta, dependencies?: { first: string }) {
if (newValue === undefined) return currentState;
return { value: `${dependencies?.first}_${newValue}` };
}
resolve(state: { value: string }) {
return state.value;
}
}
const resolver = new CustomResolver(lossless, {
first: new FirstPlugin(),
second: new SecondPlugin()
});
// Add some data
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('test1', 'first', 'hello', 'test')
.buildV1()
);
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('test1', 'second', 'world', 'test')
.buildV1()
);
const result = resolver.resolve();
expect(result).toBeDefined();
expect(result!['test1'].properties.first).toBe('HELLO');
expect(result!['test1'].properties.second).toBe('HELLO_world');
});
});

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import { describe, test, expect, beforeEach } from '@jest/globals';
import { RhizomeNode, Lossless } from '@src';
import { CollapsedDelta } from '@src/views/lossless';
import { CustomResolver, ResolverPlugin } from '@src/views/resolvers/custom-resolvers';
type PropertyTypes = string | number | boolean | null;
describe('Circular Dependency Detection', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
test('should detect circular dependencies', () => {
// PluginA depends on PluginB
class PluginA extends ResolverPlugin<{ value: string }, string> {
readonly dependencies = ['b'] as const;
initialize() {
return { value: '' };
}
update(currentState: { value: string }, newValue: PropertyTypes, _delta: CollapsedDelta, _dependencies: { b: string }) {
return { value: String(newValue) };
}
resolve(_state: { value: string }) {
return 'a';
}
}
// PluginB depends on PluginA (circular dependency)
class PluginB extends ResolverPlugin<{ value: string }, string> {
readonly dependencies = ['a'] as const;
initialize() {
return { value: '' };
}
update(_currentState: { value: string }, newValue: PropertyTypes, _delta: CollapsedDelta, _dependencies: { a: string }) {
return { value: String(newValue) };
}
resolve(_state: { value: string }) {
return 'b';
}
}
// Should throw an error when circular dependencies are detected
expect(() => {
new CustomResolver(lossless, {
'a': new PluginA(),
'b': new PluginB()
});
}).toThrow('Circular dependency detected in plugin dependencies');
});
test('should detect longer circular dependency chains', () => {
class PluginA extends ResolverPlugin<{ value: string }, string> {
readonly dependencies = ['c'] as const;
initialize() { return { value: '' }; }
update() { return { value: '' }; }
resolve() { return 'a'; }
}
class PluginB extends ResolverPlugin<{ value: string }, string> {
readonly dependencies = ['a'] as const;
initialize() { return { value: '' }; }
update() { return { value: '' }; }
resolve() { return 'b'; }
}
class PluginC extends ResolverPlugin<{ value: string }, string> {
readonly dependencies = ['b'] as const;
initialize() { return { value: '' }; }
update() { return { value: '' }; }
resolve() { return 'c'; }
}
// Should detect the circular dependency: a -> c -> b -> a
expect(() => {
new CustomResolver(lossless, {
'a': new PluginA(),
'b': new PluginB(),
'c': new PluginC()
});
}).toThrow('Circular dependency detected in plugin dependencies');
});
});

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import { describe, test, expect, beforeEach } from '@jest/globals';
import { RhizomeNode, Lossless, createDelta, CollapsedDelta } from '@src';
import {
CustomResolver,
DependencyStates,
ResolverPlugin
} from '@src/views/resolvers/custom-resolvers';
import { PropertyTypes } from '@src/core/types';
describe('Edge Cases', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
test('should handle null values', () => {
// Create a type-safe plugin that handles null/undefined values
class NullSafeLastWriteWinsPlugin extends ResolverPlugin<{ value: PropertyTypes | null, timestamp: number }, never> {
readonly dependencies = [] as const;
initialize() {
return { value: null, timestamp: 0 };
}
update(
currentState: { value: PropertyTypes | null, timestamp: number },
newValue?: PropertyTypes,
delta?: CollapsedDelta,
) {
if (newValue === undefined) return currentState;
if (!delta) return currentState;
if (delta.timeCreated > currentState.timestamp) {
return { value: newValue, timestamp: delta.timeCreated };
}
return currentState;
}
resolve(
state: { value: PropertyTypes | null, timestamp: number },
): PropertyTypes | undefined {
return state.value;
}
}
const resolver = new CustomResolver(lossless, {
value: new NullSafeLastWriteWinsPlugin()
});
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('test2', 'value', null, 'test')
.buildV1()
);
const results = resolver.resolve() || {};
const test1 = results['test2']
expect(test1).toBeDefined();
expect(test1?.properties.value).toBeNull();
});
test('should handle concurrent updates with same timestamp', () => {
// Custom plugin that handles concurrent updates with the same timestamp
class ConcurrentUpdatePlugin extends ResolverPlugin<{ value: PropertyTypes, timestamp: number }, never> {
readonly dependencies = [] as const;
initialize() {
return { value: '', timestamp: 0 };
}
update(
currentState: { value: PropertyTypes, timestamp: number },
newValue: PropertyTypes,
delta: CollapsedDelta,
_dependencies: DependencyStates
) {
if (delta.timeCreated > currentState.timestamp) {
return { value: newValue, timestamp: delta.timeCreated };
} else if (delta.timeCreated === currentState.timestamp) {
// For concurrent updates, prefer the one with the lexicographically smaller value
const currentVal = String(currentState.value);
const newVal = String(newValue);
return newVal < currentVal
? { value: newValue, timestamp: delta.timeCreated }
: currentState;
}
return currentState;
}
resolve(state: { value: PropertyTypes, timestamp: number }) {
return state.value;
}
}
const resolver = new CustomResolver(lossless, {
value: new ConcurrentUpdatePlugin()
});
// Two updates with the same timestamp
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('test2', 'value', null, 'test')
.buildV1()
);
lossless.ingestDelta(
createDelta('user2', 'host2')
.withTimestamp(1000) // Same timestamp
.setProperty('test2', 'value', 'xylophone', 'test')
.buildV1()
);
const results = resolver.resolve() || {};
const test2 = results['test2'];
expect(test2).toBeDefined();
// Should pick one of the values deterministically
expect(test2?.properties.value).toBeNull();
});
test('should handle very large numbers of updates', () => {
// Plugin that handles large numbers of updates efficiently
class CounterPlugin extends ResolverPlugin<{ count: number }, never> {
readonly dependencies = [] as const;
initialize() {
return { count: 0 };
}
update(
currentState: { count: number },
_newValue: PropertyTypes,
_delta: CollapsedDelta,
_dependencies: DependencyStates
) {
return { count: currentState.count + 1 };
}
resolve(
state: { count: number },
_dependencies: DependencyStates
): number {
return state.count;
}
}
const resolver = new CustomResolver(lossless, {
counter: new CounterPlugin()
});
// Add 1000 updates
for (let i = 0; i < 1000; i++) {
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000 + i)
.setProperty('test3', 'counter', i, 'test')
.buildV1()
);
}
const results = resolver.resolve() || {};
const test3 = results['test3']
expect(test3).toBeDefined();
// Should handle large numbers of updates efficiently
expect(test3?.properties.counter).toBe(1000); // Should count all 1000 updates
});
test('should handle missing properties gracefully', () => {
// No deltas added - should handle empty state
// Plugin that handles missing properties gracefully
class MissingPropertyPlugin extends ResolverPlugin<{ initialized: boolean }, never> {
readonly dependencies = [] as const;
initialize() {
return { initialized: true };
}
update(
currentState: { initialized: boolean },
) {
return currentState;
}
resolve(
state: { initialized: boolean }
): boolean {
return state.initialized;
}
}
const resolver = new CustomResolver(lossless, {
missing: new MissingPropertyPlugin()
});
const result = resolver.resolve();
expect(result).toEqual({});
});
});

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import { PropertyID } from '@src/core/types';
import { describe, test, expect, beforeEach } from '@jest/globals';
import { RhizomeNode, Lossless, createDelta } from '@src';
import {
CustomResolver,
LastWriteWinsPlugin,
ConcatenationPlugin,
MaxPlugin,
MinPlugin,
ResolverPlugin
} from '@src/views/resolvers/custom-resolvers';
// A simple plugin that depends on other plugins
class AveragePlugin<Targets extends PropertyID> extends ResolverPlugin<{ initialized: boolean }, Targets> {
readonly dependencies: Targets[] = [];
constructor(...targets: Targets[]) {
super();
if (targets.length !== 2) {
throw new Error('This AveragePlugin requires exactly two targets');
}
this.dependencies = targets;
}
initialize(): { initialized: boolean } {
return { initialized: true };
}
update(): { initialized: boolean } {
// No state updates needed for this plugin
return { initialized: true };
}
resolve(
_state: { initialized: boolean },
dependencies: { [K in Targets]: number | undefined }
): number | undefined {
const [depId1, depId2] = this.dependencies;
const min = dependencies[depId1];
const max = dependencies[depId2];
if (min === undefined || max === undefined) {
return undefined;
}
return (min + max) / 2;
}
}
describe('Multiple Plugins Integration', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
test('should handle multiple plugins with dependencies', () => {
const resolver = new CustomResolver(lossless, {
temperature: new LastWriteWinsPlugin(),
maxTemp: new MaxPlugin('temperature'),
minTemp: new MinPlugin('temperature'),
avgTemp: new AveragePlugin('minTemp', 'maxTemp')
});
// Add some temperature readings
const readings = [22, 25, 18, 30, 20];
readings.forEach((temp, index) => {
lossless.ingestDelta(
createDelta('sensor1', 'host1')
.withTimestamp(1000 + index * 1000)
.setProperty('room1', 'temperature', temp, 'sensors')
.buildV1()
);
});
const results = resolver.resolve();
expect(results).toBeDefined();
const room = results!['room1'];
expect(room).toBeDefined();
// Verify all plugins worked together
expect(room?.properties.temperature).toBe(20); // Last write
expect(room?.properties.maxTemp).toBe(30); // Max value
expect(room?.properties.minTemp).toBe(18); // Min value
expect(room?.properties.avgTemp).toBe(24); // (18 + 30) / 2
});
test('should handle multiple entities with different plugins', () => {
const resolver = new CustomResolver(lossless, {
name: new LastWriteWinsPlugin(),
tags: new ConcatenationPlugin(),
score: new MaxPlugin('score')
});
// Add data for entity1
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'name', 'Test Entity', 'test-name')
.setProperty('entity1', 'tags', 'tag1', 'test-tags')
.buildV1()
);
// Add more tags to entity1
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity1', 'tags', 'tag2', 'test')
.buildV1()
);
// Add data for entity2
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity2', 'score', 85, 'test')
.buildV1()
);
// Update score for entity2
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('entity2', 'score', 90, 'test')
.buildV1()
);
const results = resolver.resolve();
expect(results).toBeDefined();
const entity1 = results!['entity1'];
expect(entity1).toBeDefined();
expect(entity1?.properties.name).toBe('Test Entity');
expect(entity1?.properties.tags).toEqual(['tag1', 'tag2']);
const entity2 = results!['entity2'];
expect(entity2).toBeDefined();
expect(entity2?.properties.score).toBe(90);
});
});

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import { describe, test, expect, beforeEach } from '@jest/globals';
import { RhizomeNode, Lossless, createDelta, CollapsedDelta } from '@src';
import {
CustomResolver,
ResolverPlugin,
DependencyStates
} from '@src/views/resolvers/custom-resolvers';
import { PropertyTypes } from '@src/core/types';
// A simple plugin for testing lifecycle methods
class LifecycleTestPlugin extends ResolverPlugin<LifecycleTestState> {
readonly dependencies = [] as const;
private initialState: LifecycleTestState = {
initialized: true,
updated: false,
resolved: false
};
initialize(): LifecycleTestState {
return { ...this.initialState };
}
update(
currentState: LifecycleTestState,
_newValue: PropertyTypes,
_delta: CollapsedDelta,
_dependencies: DependencyStates
): LifecycleTestState {
return { ...currentState, updated: true };
}
resolve(
state: LifecycleTestState,
_dependencies: DependencyStates
): PropertyTypes {
// Return a valid PropertyTypes value (string, number, boolean, or null)
// We'll use a JSON string representation of the state
return JSON.stringify({ ...state, resolved: true });
}
}
type LifecycleTestState = {
initialized: boolean;
updated: boolean;
resolved: boolean;
};
describe('Plugin Lifecycle', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
test('should call initialize, update, and resolve in order', () => {
// Add some data
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('test1', 'test', 'value1', 'test')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
test: new LifecycleTestPlugin()
});
const results = resolver.resolve() || [];
expect(Array.isArray(results)).toBe(true);
const entity = results.find(r => r.id === 'test1');
expect(entity).toBeDefined();
// Verify all lifecycle methods were called in the correct order
const testProperty = entity?.properties.test;
expect(testProperty).toBeDefined();
// The resolved value should be the return value from resolve() which is a JSON string
const parsed = JSON.parse(testProperty as string);
expect(parsed).toEqual({
initialized: true,
updated: true,
resolved: true
});
});
test('should handle multiple updates correctly', () => {
// First update
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('test2', 'test', 'value1', 'test')
.buildV1()
);
// Second update
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(2000)
.setProperty('test2', 'test', 'value2', 'test')
.buildV1()
);
const resolver = new CustomResolver(lossless, {
test: new LifecycleTestPlugin()
});
const results = resolver.resolve() || [];
expect(Array.isArray(results)).toBe(true);
const entity = results.find(r => r.id === 'test2');
expect(entity).toBeDefined();
// Verify state after multiple updates
const testProperty = entity?.properties.test;
expect(testProperty).toBeDefined();
// The resolved value should be the return value from resolve() which is a JSON string
const parsed = JSON.parse(testProperty as string);
expect(parsed).toEqual({
initialized: true,
updated: true, // Should be true from the last update
resolved: true
});
});
test('should handle empty state', () => {
const resolver = new CustomResolver(lossless, {
test: new LifecycleTestPlugin()
});
const results = resolver.resolve();
expect(Array.isArray(results)).toBe(true);
expect(results).toHaveLength(0);
});
});

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import { describe, test, expect } from '@jest/globals';
import { ResolverPlugin, DependencyStates } from '@src/views/resolvers/custom-resolvers';
import { PropertyTypes } from '@src/core/types';
import type { CollapsedDelta } from '@src/views/lossless';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
class CountPlugin extends ResolverPlugin<{ count: number }, never> {
readonly dependencies = [] as const;
initialize() {
return { count: 0 };
}
update(
currentState: { count: number },
_newValue: PropertyTypes,
_delta: CollapsedDelta,
_dependencies: DependencyStates
) {
return { count: currentState.count + 1 };
}
resolve(
state: { count: number },
_dependencies: DependencyStates
): number {
return state.count;
}
}
describe('CountPlugin', () => {
test('should count the number of updates', async () => {
// Arrange & Act
const entityId = 'counter1';
await testResolverWithPlugins({
entityId,
plugins: {
count: new CountPlugin()
},
deltas: [
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'count', 'value1', 'test')
.buildV1(),
createTestDelta()
.withTimestamp(2000)
.setProperty(entityId, 'count', 'value2', 'test')
.buildV1(),
createTestDelta()
.withTimestamp(3000)
.setProperty(entityId, 'count', 'value3', 'test')
.buildV1()
],
expectedResult: (result) => {
// Assert
expect(result).toBeDefined();
expect(result.properties.count).toBe(3);
}
});
});
test('should handle multiple entities independently', async () => {
// Arrange
const counter1Deltas = [
createTestDelta()
.withTimestamp(1000)
.setProperty('counter1', 'count', 'value1', 'test')
.buildV1(),
createTestDelta()
.withTimestamp(2000)
.setProperty('counter1', 'count', 'value2', 'test')
.buildV1()
];
const counter2Deltas = [
createTestDelta()
.withTimestamp(1000)
.setProperty('counter2', 'count', 'value1', 'test')
.buildV1()
];
// Act & Assert - Test counter1
await testResolverWithPlugins({
entityId: 'counter1',
plugins: {
count: new CountPlugin()
},
deltas: counter1Deltas,
expectedResult: (result) => {
expect(result).toBeDefined();
expect(result.properties.count).toBe(2);
}
});
// Act & Assert - Test counter2
await testResolverWithPlugins({
entityId: 'counter2',
plugins: {
count: new CountPlugin()
},
deltas: counter2Deltas,
expectedResult: (result) => {
expect(result).toBeDefined();
expect(result.properties.count).toBe(1);
}
});
});
});

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import { describe, test, expect } from '@jest/globals';
import { ResolverPlugin, DependencyStates } from '@src/views/resolvers/custom-resolvers';
import { PropertyTypes } from '@src/core/types';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
import Debug from 'debug';
const debug = Debug('rz:test:discount-plugins');
// Mock plugins for testing
class DiscountPlugin extends ResolverPlugin<number, never> {
readonly name = 'discount' as const;
readonly dependencies = [] as const;
initialize() {
return 0;
}
update(
_currentState: number,
newValue: PropertyTypes,
) {
const numValue = typeof newValue === 'number' ? newValue : 0;
const clampedValue = Math.min(100, Math.max(0, numValue)); // Clamp between 0-100
debug(`DiscountPlugin: updated discount to ${clampedValue}`);
return clampedValue;
}
resolve( state: number ): number {
return state;
}
}
class DiscountedPricePlugin extends ResolverPlugin<number | null, 'discount'> {
readonly name = 'price' as const;
readonly dependencies = ['discount'] as const;
initialize() {
return null;
}
update(
_currentState: number | null,
newValue: PropertyTypes,
) {
const numValue = typeof newValue === 'number' ? newValue : 0;
debug(`DiscountedPricePlugin: updated price to ${numValue}`);
return numValue;
}
resolve(
state: number | null,
dependencies: DependencyStates
): number | null {
if (state === null) {
return null;
}
// Ensure discount is a number and default to 0 if undefined
const discount = typeof dependencies.discount === 'number' ? dependencies.discount : 0;
const discountMultiplier = (100 - discount) / 100;
return state * discountMultiplier;
}
}
describe('Discount and DiscountedPrice Plugins', () => {
test('should apply discount to price', async () => {
// Arrange
const entityId = 'product1';
// Act
const result = await testResolverWithPlugins({
entityId,
plugins: {
price: new DiscountedPricePlugin(),
discount: new DiscountPlugin()
},
deltas: [
// Set base price
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'price', 100, 'product')
.buildV1(),
// Set discount (20%)
createTestDelta()
.withTimestamp(2000)
.setProperty(entityId, 'discount', 20, 'product')
.buildV1()
],
});
// Assert
expect(result).toBeDefined();
expect(result?.properties?.price).toBe(80); // 100 * 0.8 = 80
});
test('should handle zero discount', async () => {
// Arrange
const entityId = 'product1';
// Act
const result = await testResolverWithPlugins({
entityId,
plugins: {
price: new DiscountedPricePlugin(),
discount: new DiscountPlugin()
},
deltas: [
// Set base price
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'price', 100, 'products')
.buildV1(),
// Set discount to 0
createTestDelta()
.withTimestamp(2000)
.setProperty(entityId, 'discount', 0, 'products')
.buildV1()
],
});
// Assert
expect(result).toBeDefined();
expect(result?.properties?.price).toBe(100); // 100 * 1.0 = 100
});
test('should handle 100% discount', async () => {
// Arrange
const entityId = 'product1';
// Act
const result = await testResolverWithPlugins({
entityId,
plugins: {
price: new DiscountedPricePlugin(),
discount: new DiscountPlugin()
},
deltas: [
// Set base price
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'price', 100, 'products')
.buildV1(),
// Set discount to 100%
createTestDelta()
.withTimestamp(2000)
.setProperty(entityId, 'discount', 100, 'products')
.buildV1()
],
});
// Assert
expect(result).toBeDefined();
expect(result?.properties.price).toBe(0); // 100 * 0.0 = 0
});
test('should handle missing discount plugin', async () => {
// Arrange
const entityId = 'product1';
// Act
await expect(
testResolverWithPlugins({
entityId,
plugins: {
price: new DiscountedPricePlugin()
// No discount plugin provided
},
deltas: [
// Set base price
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'price', 100, 'products')
.buildV1()
]
})).rejects.toThrowError('Dependency discount not found for plugin price');
});
});

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import { describe, test, expect } from '@jest/globals';
import { RunningAveragePlugin } from '@src/views/resolvers/custom-resolvers/plugins/running-average.plugin';
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
describe('RunningAveragePlugin', () => {
test('should calculate running average of numeric values', async () => {
// Arrange & Act
const entityId = 'player1';
await testResolverWithPlugins({
entityId,
plugins: {
score: new RunningAveragePlugin()
},
deltas: [
// First score (10)
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'score', 10, 'game')
.buildV1(),
// Second score (20)
createTestDelta()
.withTimestamp(2000)
.setProperty(entityId, 'score', 20, 'game')
.buildV1(),
// Third score (30)
createTestDelta()
.withTimestamp(3000)
.setProperty(entityId, 'score', 30, 'game')
.buildV1()
],
expectedResult: (result) => {
// Assert
expect(result).toBeDefined();
expect(result.properties.score).toBe(20); // (10 + 20 + 30) / 3 = 20
}
});
});
test('should handle non-numeric values gracefully', async () => {
// Arrange & Act
const entityId = 'test1';
await testResolverWithPlugins({
entityId,
plugins: {
value: new RunningAveragePlugin()
},
deltas: [
createTestDelta()
.withTimestamp(1000)
.setProperty(entityId, 'value', 'not a number', 'test')
.buildV1(),
createTestDelta()
.withTimestamp(2000)
.setProperty(entityId, 'value', 10, 'test')
.buildV1()
],
expectedResult: (result) => {
// Assert
expect(result).toBeDefined();
// First value is treated as 0, second as 10, average is (0 + 10) / 2 = 5
expect(result.properties.value).toBe(5);
}
});
});
test('should handle empty state', async () => {
// Arrange & Act
const entityId = 'non-existent';
let error: Error | undefined;
try {
await testResolverWithPlugins({
entityId,
plugins: {
value: new RunningAveragePlugin()
},
deltas: [],
expectedResult: () => {}
});
} catch (err) {
error = err as Error;
}
// Assert - The helper should throw when entity is not found
expect(error).toBeDefined();
expect(error?.message).toContain('No view found for entity non-existent');
});
});

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@ -0,0 +1,131 @@
import { describe, test, expect, beforeEach } from '@jest/globals';
import { RhizomeNode } from '@src';
import { Lossless } from '@src/views/lossless';
import { CustomResolver } from '@src/views/resolvers/custom-resolvers';
import { ResolverPlugin } from '@src/views/resolvers/custom-resolvers/plugin';
// import Debug from 'debug';
// const debug = Debug('rz:test:resolver');
// Mock plugins for testing
class TestPlugin extends ResolverPlugin<unknown, string> {
name: string;
dependencies: readonly string[];
constructor(name: string, dependencies: string[] = []) {
this.name = name;
this.dependencies = dependencies;
}
initialize() { return {}; }
update() { return {}; }
resolve() { return 'test'; }
}
describe('CustomResolver', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
describe('buildDependencyGraph', () => {
test('should build a simple dependency graph', () => {
// Arrange
const plugins = {
a: new TestPlugin('a'),
b: new TestPlugin('b', ['a']), // b depends on a
c: new TestPlugin('c', ['b']) // c depends on b
};
// Act
const resolver = new CustomResolver(lossless, plugins);
const graph = resolver.dependencyGraph;
// Assert
expect(graph.get('a')).toBeDefined();
expect(graph.get('b')).toBeDefined();
expect(graph.get('c')).toBeDefined();
// Check dependencies
expect(Array.from(graph.get('a') || [])).toContain('b'); // a -> b
expect(Array.from(graph.get('b') || [])).toContain('c'); // b -> c
});
test('should handle plugins with same basename but different keys', () => {
// Arrange
const plugins = {
'plugin:a': new TestPlugin('a'),
'plugin:b': new TestPlugin('b', ['a']), // depends on a
'another:b': new TestPlugin('b', ['a']) // same basename, different key
};
// Act
const resolver = new CustomResolver(lossless, plugins);
// Access private method for testing
const graph = resolver.dependencyGraph;
// Assert
expect(graph.get('a')).toBeDefined();
expect(graph.get('b')).toBeDefined();
// Both 'plugin:b' and 'another:b' should be in the graph as 'b'
expect(Array.from(graph.get('a') || [])).toContain('b');
});
test('should throw error for missing dependency', () => {
// Arrange
const plugins = {
a: new TestPlugin('a', ['nonexistent']) // depends on non-existent plugin
};
// Act & Assert
expect(() => {
new CustomResolver(lossless, plugins);
}).toThrow('Dependency nonexistent not found for plugin a');
});
test('should handle plugins with no dependencies', () => {
// Arrange
const plugins = {
a: new TestPlugin('a'),
b: new TestPlugin('b'),
c: new TestPlugin('c')
};
// Act
const resolver = new CustomResolver(lossless, plugins);
// Access private method for testing
const graph = resolver.dependencyGraph;
// Assert
expect(graph.get('a')).toBeDefined();
expect(graph.get('b')).toBeDefined();
expect(graph.get('c')).toBeDefined();
// No dependencies should be set
expect(Array.from(graph.get('a') || [])).toHaveLength(0);
expect(Array.from(graph.get('b') || [])).toHaveLength(0);
expect(Array.from(graph.get('c') || [])).toHaveLength(0);
});
test('should detect circular dependencies', () => {
// Arrange
const plugins = {
a: new TestPlugin('a', ['c']), // a depends on c
b: new TestPlugin('b', ['a']), // b depends on a
c: new TestPlugin('c', ['b']) // c depends on b (circular)
};
// Act & Assert
expect(() => {
new CustomResolver(lossless, plugins);
}).toThrow('Circular dependency detected in plugin dependencies');
});
});
});

View File

@ -1,7 +1,11 @@
import Debug from "debug";
import { createDelta } from '../src/core/delta-builder';
import {Delta, LastWriteWins, Lossless, RhizomeNode} from "../src";
const debug = Debug('test:last-write-wins');
import { createDelta } from '@src/core/delta-builder';
import { Lossless, RhizomeNode } from '@src';
import { TimestampResolver } from '@src/views/resolvers/timestamp-resolvers';
const debug = Debug('rz:test:last-write-wins');
// This was initially written to test a LastWriteWins resolver, but that has been
// superceded by the TimestampResolver.
describe('Last write wins', () => {
@ -9,7 +13,7 @@ describe('Last write wins', () => {
const node = new RhizomeNode();
const lossless = new Lossless(node);
const lossy = new LastWriteWins(lossless);
const lossy = new TimestampResolver(lossless);
beforeAll(() => {
lossless.ingestDelta(createDelta('a', 'h')
@ -23,7 +27,7 @@ describe('Last write wins', () => {
);
});
it('our resolver should return the most recently written value', () => {
test('our resolver should return the most recently written value', () => {
const result = lossy.resolve(["broccoli"]);
debug('result', result);
expect(result).toMatchObject({

View File

@ -0,0 +1,222 @@
import { RhizomeNode, Lossless, createDelta } from "@src";
import { CollapsedDelta } from "@src/views/lossless";
import {
CustomResolver,
ResolverPlugin,
LastWriteWinsPlugin,
DependencyStates
} from "@src/views/resolvers/custom-resolvers";
import { PropertyTypes } from '@src/core/types';
describe('State Visibility', () => {
let node: RhizomeNode;
let lossless: Lossless;
beforeEach(() => {
node = new RhizomeNode();
lossless = new Lossless(node);
});
// A test plugin that records which states it sees
class StateSpyPlugin extends ResolverPlugin<{ values: string[] }, 'dependsOn'> {
readonly dependencies = [] as const;
seenStates: Record<string, unknown>[] = [];
initialize() {
return { values: [] };
}
update(
currentState: { values: string[] },
newValue: PropertyTypes,
_delta: CollapsedDelta,
dependencies: DependencyStates
) {
// Record the states we can see
this.seenStates.push({ ...dependencies });
// Just store the string representation of the value
return {
values: [...currentState.values, String(newValue)]
};
}
resolve(
state: { values: string[] },
_dependencies: DependencyStates
): string {
// Always return a value, even if empty
return state.values.join(',') || 'default';
}
}
// A simple plugin that depends on another property
class DependentPlugin extends ResolverPlugin<{ value: string }, 'dependsOn'> {
readonly dependencies = ['dependsOn'] as const;
seenStates: Record<string, unknown>[] = [];
initialize() {
return { value: '' };
}
update(
_currentState: { value: string },
newValue: PropertyTypes,
_delta: CollapsedDelta,
dependencies: DependencyStates
) {
this.seenStates.push({ ...dependencies });
return { value: String(newValue) };
}
resolve(
state: { value: string },
_dependencies: DependencyStates
): string {
return state.value;
}
}
test('plugins should only see their declared dependencies', async () => {
// Create a resolver with two independent plugins
const spy1 = new StateSpyPlugin();
const spy2 = new StateSpyPlugin();
const config = {
prop1: spy1,
prop2: spy2
} as const;
const resolver = new CustomResolver(lossless, config);
// Add some data
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'prop1', 'value1', 'prop1')
.setProperty('entity1', 'prop2', 'value2', 'prop2')
.buildV1()
);
// Trigger resolution
const results = resolver.resolve();
// The result should contain the entity with both properties
const entity = results?.['entity1'];
expect(entity).toBeDefined();
if (!entity) return;
expect(entity.properties).toHaveProperty('prop1');
expect(entity.properties).toHaveProperty('prop2');
// Since we're not testing the order of processing here,
// we'll just verify that at least one of the spies was called
expect(
spy1.seenStates.length > 0 ||
spy2.seenStates.length > 0
).toBe(true);
});
test('plugins should see their declared dependencies', async () => {
const dependent = new DependentPlugin();
const dependency = new StateSpyPlugin();
const config = {
dependent,
dependsOn: dependency
} as const;
const resolver = new CustomResolver(lossless, config);
// Add some data
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'dependsOn', 'baseValue', 'prop1')
.setProperty('entity1', 'dependent', 'dependentValue', 'prop2')
.buildV1()
);
// Trigger resolution
const result = resolver.resolve();
expect(result).toBeDefined();
// The dependent plugin's update method won't be called by resolve()
// So we can't test the seenStates here. Instead, we'll test the result
expect(result).toBeDefined();
if (!result) return;
const entity = result['entity1'];
expect(entity).toBeDefined();
expect(entity.properties).toHaveProperty('dependent');
});
test('plugins should not see undeclared dependencies', async () => {
const dependent = new DependentPlugin();
const lastWrite = new LastWriteWinsPlugin();
const other = new LastWriteWinsPlugin();
const resolver = new CustomResolver(lossless, {
dependent: dependent,
dependsOn: lastWrite,
other: other // Not declared as a dependency
});
// Add some data
lossless.ingestDelta(
createDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'dependsOn', 'baseValue', 'prop1')
.setProperty('entity1', 'other', 'otherValue', 'prop2')
.setProperty('entity1', 'dependent', 'dependentValue', 'prop3')
.buildV1()
);
// Trigger resolution
const results = resolver.resolve();
expect(results).toBeDefined();
if (!results) return;
// The result should contain the entity with both properties
const entity = results['entity1'];
expect(entity).toBeDefined();
if (!entity) return;
expect(entity.properties).toHaveProperty('dependent');
expect(entity.properties).toHaveProperty('dependsOn');
expect(entity.properties).toHaveProperty('other');
});
test('should throw error for unknown dependencies', () => {
class PluginWithBadDeps extends ResolverPlugin<{ value: string }, 'nonexistent'> {
readonly dependencies = ['nonexistent'] as const;
initialize() {
return { value: '' };
}
update(
currentState: { value: string },
_newValue: PropertyTypes,
_delta: CollapsedDelta,
_dependencies: DependencyStates
) {
return currentState;
}
resolve(
state: { value: string },
_dependencies: DependencyStates
): string {
return state.value;
}
}
expect(() => {
new CustomResolver(lossless, {
bad: new PluginWithBadDeps()
});
}).toThrow("Plugin 'bad' depends on unknown property: nonexistent");
});
});

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@ -6,8 +6,8 @@ import {
DeltaIdTimestampResolver,
HostIdTimestampResolver,
LexicographicTimestampResolver
} from "../src";
import { createDelta } from "../src/core/delta-builder";
} from "../../../../src";
import { createDelta } from "../../../../src/core/delta-builder";
describe('Timestamp Resolvers', () => {
let node: RhizomeNode;

132
docs/classes.md Normal file
View File

@ -0,0 +1,132 @@
# Rhizome Node Class Diagram
This document provides an overview of the main classes in the Rhizome Node system and their relationships.
```mermaid
classDiagram
%% Core Classes
class RhizomeNode {
-config: RhizomeNodeConfig
-pubSub: PubSub
-requestReply: RequestReply
-httpServer: HttpServer
-deltaStream: DeltaStream
-lossless: Lossless
-peers: Peers
-queryEngine: QueryEngine
-storageQueryEngine: StorageQueryEngine
-schemaRegistry: SchemaRegistry
-deltaStorage: DeltaStorage
}
class Delta {
+id: DeltaID
+timeCreated: Timestamp
+host: HostID
+creator: CreatorID
+pointers: PointerV1[]
}
class Lossless {
-domainEntities: Map<DomainEntityID, LosslessEntity>
-transactions: Transactions
+view(ids: DomainEntityID[]): LosslessViewMany
+compose(ids: DomainEntityID[]): LosslessViewMany
}
class QueryEngine {
-lossless: Lossless
-schemaRegistry: SchemaRegistry
+query(schemaId: SchemaID, filter?: JsonLogic): Promise<SchemaAppliedViewWithNesting[]>
}
class StorageQueryEngine {
-storage: DeltaQueryStorage
-schemaRegistry: SchemaRegistry
+query(schemaId: SchemaID, filter?: JsonLogic): Promise<StorageQueryResult>
}
class SchemaRegistry {
+register(schema: ObjectSchema): void
+get(id: SchemaID): ObjectSchema | undefined
+list(): ObjectSchema[]
}
class DeltaStream {
-deltas: Delta[]
+receiveDelta(delta: Delta): void
+ingestAll(): void
}
class DockerOrchestrator {
-containerManager: ContainerManager
-networkManager: NetworkManager
-resourceManager: ResourceManager
-statusManager: StatusManager
+startNode(config: NodeConfig): Promise<NodeHandle>
+stopNode(nodeId: string): Promise<void>
}
%% Relationships
RhizomeNode --> DeltaStream
RhizomeNode --> Lossless
RhizomeNode --> QueryEngine
RhizomeNode --> StorageQueryEngine
RhizomeNode --> SchemaRegistry
RhizomeNode --> DeltaStorage
Lossless --> Transactions
Lossless --> LosslessEntity
QueryEngine --> SchemaRegistry
QueryEngine --> Lossless
StorageQueryEngine --> DeltaStorage
StorageQueryEngine --> SchemaRegistry
DeltaStream --> Delta
Lossless --> Delta
DockerOrchestrator --> ContainerManager
DockerOrchestrator --> NetworkManager
DockerOrchestrator --> ResourceManager
DockerOrchestrator --> StatusManager
```
## Key Components
1. **RhizomeNode**: The main entry point that coordinates all other components
- Manages the node's lifecycle and configuration
- Coordinates between different subsystems
2. **Delta**: The fundamental data unit
- Represents atomic changes in the system
- Contains pointers to entities and their properties
3. **Lossless**: Manages the lossless view of data
- Maintains the complete history of deltas
- Provides methods to view and compose entity states
4. **QueryEngine**: Handles data queries
- Supports filtering with JSON Logic
- Works with the schema system for validation
5. **StorageQueryEngine**: Handles storage-level queries
- Interfaces with the underlying storage backend
- Optimized for querying persisted data
6. **SchemaRegistry**: Manages data schemas
- Validates data against schemas
- Supports schema versioning and evolution
7. **DockerOrchestrator**: Manages containerized nodes
- Handles node lifecycle (start/stop)
- Manages networking between nodes
## Data Flow
1. Deltas are received through the DeltaStream
2. Lossless processes and stores these deltas
3. Queries can be made through either QueryEngine (in-memory) or StorageQueryEngine (persisted)
4. The system maintains consistency through the schema system
5. In distributed mode, DockerOrchestrator manages multiple node instances

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@ -0,0 +1,204 @@
# CustomResolver Class
## Overview
The `CustomResolver` class is the main entry point for the Custom Resolver system. It manages the resolution of entity properties using the configured plugins and handles dependency resolution between them.
## Class Definition
```typescript
class CustomResolver {
/**
* Creates a new CustomResolver instance
* @param view The lossless view to resolve
* @param config Plugin configuration
*/
constructor(
private readonly view: LosslessView,
private readonly config: ResolverConfig
);
/**
* Processes all entities in the view and returns the resolved values
*/
resolve(): CustomResolverResult;
/**
* Processes a single entity and returns its resolved values
* @param entityId ID of the entity to resolve
*/
resolveEntity(entityId: string): EntityResult | undefined;
/**
* Gets the current processing order of properties
*/
getProcessingOrder(): string[];
/**
* Gets the dependency graph
*/
getDependencyGraph(): Map<string, Set<string>>;
}
```
## Constructor
### `new CustomResolver(view, config)`
Creates a new instance of the CustomResolver.
**Parameters:**
- `view: LosslessView` - The lossless view containing the data to resolve
- `config: ResolverConfig` - Configuration object mapping property IDs to their resolver plugins
**Example:**
```typescript
const resolver = new CustomResolver(view, {
price: new LastWriteWinsPlugin(),
discount: new LastWriteWinsPlugin(),
total: new TotalPricePlugin()
});
```
## Methods
### `resolve(): CustomResolverResult`
Processes all entities in the view and returns the resolved values.
**Returns:** `CustomResolverResult` - Object mapping entity IDs to their resolved properties
**Example:**
```typescript
const results = resolver.resolve();
debug(results);
// {
// 'entity1': {
// id: 'entity1',
// properties: { price: 100, discount: 10, total: 90 }
// },
// // ...
// }
```
### `resolveEntity(entityId: string): EntityResult | undefined`
Processes a single entity and returns its resolved values.
**Parameters:**
- `entityId: string` - ID of the entity to resolve
**Returns:** `EntityResult | undefined` - Resolved entity or undefined if not found
**Example:**
```typescript
const result = resolver.resolveEntity('order-123');
if (result) {
debug(`Order total: ${result.properties.total}`);
}
```
### `getProcessingOrder(): string[]`
Gets the current processing order of properties based on their dependencies.
**Returns:** `string[]` - Array of property IDs in processing order
**Example:**
```typescript
const order = resolver.getProcessingOrder();
debug('Processing order:', order);
// ['price', 'discount', 'total']
```
### `getDependencyGraph(): Map<string, Set<string>>`
Gets the dependency graph used for resolution.
**Returns:** `Map<string, Set<string>>` - Map where keys are property IDs and values are sets of their dependencies
**Example:**
```typescript
const graph = resolver.getDependencyGraph();
for (const [prop, deps] of graph.entries()) {
debug(`${prop} depends on:`, [...deps]);
}
```
## Configuration
The resolver is configured with an object mapping property IDs to their resolver plugins:
```typescript
interface ResolverConfig {
[propertyId: string]: ResolverPlugin<any, string>;
}
```
## Error Handling
The resolver may throw the following errors:
- `Error` - For invalid configurations or dependency cycles
- `TypeError` - For type mismatches or invalid plugin implementations
## Example: Complete Usage
```typescript
import { CustomResolver, LastWriteWinsPlugin } from './resolver';
import { LosslessView } from '../lossless-view';
// Create a lossless view with some data
const view = new LosslessView();
// ... add data to the view ...
// Configure the resolver
const resolver = new CustomResolver(view, {
// Simple plugins
productId: new LastWriteWinsPlugin(),
quantity: new LastWriteWinsPlugin(),
// Plugin with dependencies
unitPrice: new LastWriteWinsPlugin(),
discount: new LastWriteWinsPlugin(),
taxRate: new LastWriteWinsPlugin(),
// Complex plugin with multiple dependencies
subtotal: new class extends ResolverPlugin<SubtotalState, 'unitPrice' | 'quantity'> {
readonly dependencies = ['unitPrice', 'quantity'] as const;
initialize() { return { value: 0 }; }
update(_state, _value, _delta, deps) {
const unitPrice = deps.unitPrice as number;
const quantity = deps.quantity as number;
return { value: unitPrice * quantity };
}
resolve(state) { return state.value; }
}(),
// More plugins...
});
// Resolve all entities
const results = resolver.resolve();
debug(results);
// Or resolve a single entity
const order = resolver.resolveEntity('order-123');
debug(order);
```
## Best Practices
1. **Reuse Instances**: Create a single resolver instance and reuse it
2. **Minimize Dependencies**: Keep the dependency graph simple and acyclic
3. **Error Handling**: Always handle potential errors in plugin implementations
4. **Performance**: Be mindful of plugin complexity in hot code paths
## Related
- [ResolverPlugin Interface](./resolver-plugin-interface.md)
- [Creating Custom Plugins](../plugins/creating-plugins.md)
- [Dependency Resolution](../dependencies/dependency-resolution.md)

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@ -0,0 +1,173 @@
# ResolverPlugin Interface
## Overview
The `ResolverPlugin` interface defines the contract that all resolver plugins must implement. It provides type-safe access to plugin state and dependencies.
## Interface Definition
```typescript
interface ResolverPlugin<T = unknown, D extends string = never> {
/**
* Unique identifier for the plugin
*/
readonly name: string;
/**
* Array of property IDs this plugin depends on
* @default []
*/
readonly dependencies?: readonly D[];
/**
* Initializes the plugin's state
* @returns Initial state object
*/
initialize(): T;
/**
* Processes a new value and updates the plugin's state
* @param currentState Current plugin state
* @param newValue New value to process
* @param delta Delta information
* @param dependencies Resolved states of all declared dependencies
* @returns Updated plugin state
*/
update(
currentState: T,
newValue: PropertyTypes,
delta: CollapsedDelta,
dependencies: DependencyStates
): T;
/**
* Resolves the final value from the current state
* @param state Current plugin state
* @param dependencies Resolved states of all declared dependencies
* @returns Resolved value or undefined if no value should be set
*/
resolve(
state: T,
dependencies: DependencyStates
): PropertyTypes | undefined;
}
```
## Type Parameters
| Parameter | Description |
|-----------|-------------|
| `T` | Type of the plugin's internal state |
| `D` | Union type of dependency names (must extend `string`) |
## Methods
### `initialize()`
Initializes the plugin's internal state. Called once when the resolver is created.
**Returns:** `T` - The initial state object
### `update(currentState, newValue, delta, dependencies)`
Processes a new value and updates the plugin's state.
**Parameters:**
- `currentState: T` - Current plugin state
- `newValue: PropertyTypes` - New value to process
- `delta: CollapsedDelta` - Delta information
- `dependencies: DependencyStates` - Resolved states of all declared dependencies
**Returns:** `T` - Updated plugin state
### `resolve(state, dependencies)`
Resolves the final value from the current state.
**Parameters:**
- `state: T` - Current plugin state
- `dependencies: DependencyStates` - Resolved states of all declared dependencies
**Returns:** `PropertyTypes | undefined` - Resolved value or undefined if no value should be set
## Example Implementation
```typescript
class CounterPlugin extends ResolverPlugin<CounterState> {
initialize(): CounterState {
return { count: 0 };
}
update(
state: CounterState,
_newValue: unknown,
_delta: CollapsedDelta,
_deps: {}
): CounterState {
return { count: state.count + 1 };
}
resolve(state: CounterState): number {
return state.count;
}
}
```
## Best Practices
1. **Immutability**: Always return new state objects instead of mutating
2. **Purity**: Keep methods pure and side-effect free
3. **Error Handling**: Handle unexpected input gracefully
4. **Documentation**: Document expected types and behavior
## Common Patterns
### Accessing Dependencies
```typescript
class PriceCalculator extends ResolverPlugin<PriceState, 'basePrice' | 'taxRate'> {
readonly dependencies = ['basePrice', 'taxRate'] as const;
update(
_state: PriceState,
_newValue: unknown,
_delta: CollapsedDelta,
deps: DependencyStates,
): PriceState {
const basePrice = deps.basePrice as number;
const taxRate = deps.taxRate as number;
return { total: basePrice * (1 + taxRate) };
}
// ...
}
```
### Optional Dependencies
```typescript
class OptionalDepPlugin extends ResolverPlugin<State, 'required' | 'optional?'> {
readonly dependencies = ['required', 'optional?'] as const;
update(
state: State,
_newValue: unknown,
_delta: CollapsedDelta,
deps: any,
): State {
const required = deps.required as number; // Always present
const optional = deps['optional?'] as number | undefined; // Might be undefined
// ...
}
// ...
}
```
## Related
- [Creating Custom Plugins](../plugins/creating-plugins.md)
- [Type-Safe Dependencies](../dependencies/type-safety.md)
- [CustomResolver Class](./custom-resolver-class.md)

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@ -0,0 +1,273 @@
# Common Types and Interfaces
This document describes the common types and interfaces used throughout the Custom Resolver system.
## Core Types
### `PropertyID`
```typescript
type PropertyID = string;
```
Unique identifier for a property.
### `PropertyTypes`
```typescript
type PropertyTypes =
| string
| number
| boolean
| null
| undefined
| PropertyTypes[]
| { [key: string]: PropertyTypes };
```
All possible property value types that can be handled by the resolver.
### `DependencyStates`
```typescript
type DependencyStates = {
[K in D]: unknown;
};
```
Maps dependency names to their resolved values. The actual type of each value depends on the plugin that produced it.
### `CollapsedDelta`
```typescript
interface CollapsedDelta {
timestamp: number;
source?: string;
// ... other delta metadata
}
```
Represents a collapsed delta with metadata about the change.
## Plugin Types
### `ResolverPlugin<T, D>`
```typescript
interface ResolverPlugin<T = unknown, D extends string = never> {
readonly name: string;
readonly dependencies?: readonly D[];
initialize(): T;
update(
currentState: T,
newValue: PropertyTypes,
delta: CollapsedDelta,
dependencies: DependencyStates
): T;
resolve(
state: T,
dependencies: DependencyStates
): PropertyTypes | undefined;
}
```
The main plugin interface. See [ResolverPlugin Interface](./resolver-plugin-interface.md) for details.
## Result Types
### `EntityResult`
```typescript
interface EntityResult {
id: string;
properties: {
[propertyId: string]: PropertyTypes;
};
}
```
A basic map of some results. May represent entites, entity properties, or arbitrary synthetic attributes.
### `CustomResolverResult`
```typescript
interface CustomResolverResult {
[entityId: string]: EntityResult;
}
```
Maps entity IDs to their resolved properties.
## Configuration Types
### `ResolverConfig`
```typescript
interface ResolverConfig {
[propertyId: string]: ResolverPlugin<any, string>;
}
```
Configuration object mapping property IDs to their resolver plugins.
## Built-in Plugin Types
### `LastWriteWinsPlugin`
```typescript
class LastWriteWinsPlugin extends ResolverPlugin<LastWriteWinsState> {
// ...
}
interface LastWriteWinsState {
value?: PropertyTypes;
timestamp: number;
}
```
### `FirstWriteWinsPlugin`
```typescript
class FirstWriteWinsPlugin extends ResolverPlugin<FirstWriteWinsState> {
// ...
}
interface FirstWriteWinsState {
value?: PropertyTypes;
isSet: boolean;
}
```
### `ConcatenationPlugin`
```typescript
interface ConcatenationOptions {
separator?: string;
sort?: boolean;
}
class ConcatenationPlugin extends ResolverPlugin<ConcatenationState> {
constructor(private options: ConcatenationOptions = {}) {
this.options = {
separator: options.separator || ', ',
sort: options.sort || false
};
}
// ...
}
interface ConcatenationState {
values: Set<string>;
separator: string;
sort: boolean;
}
```
### `MajorityVotePlugin`
```typescript
interface MajorityVoteOptions {
minVotes?: number;
}
class MajorityVotePlugin extends ResolverPlugin<MajorityVoteState> {
constructor(private options: MajorityVoteOptions = {}) {
this.options = {
minVotes: options.minVotes || 1
};
}
// ...
}
interface MajorityVoteState {
votes: Map<string, number>;
minVotes: number;
}
```
## Type Utilities
### `DependencyKeys<T>`
Extracts the dependency keys from a plugin type.
```typescript
type DependencyKeys<T> =
T extends ResolverPlugin<any, infer D> ? D : never;
```
### `PluginState<T>`
Extracts the state type from a plugin type.
```typescript
type PluginState<T> =
T extends ResolverPlugin<infer S, any> ? S : never;
```
## Example: Working with Types
### Type-Safe Plugin Implementation
```typescript
// Define state and dependency types
interface CounterState {
count: number;
}
type CounterDeps = 'incrementBy' | 'resetThreshold';
// Implement plugin with type safety
class CounterPlugin extends ResolverPlugin<CounterState, CounterDeps> {
readonly dependencies = ['incrementBy', 'resetThreshold'] as const;
initialize(): CounterState {
return { count: 0 };
}
update(
state: CounterState,
_newValue: unknown,
_delta: CollapsedDelta,
deps: DependencyStates
): CounterState {
const increment = deps.incrementBy as number;
const threshold = deps.resetThreshold as number;
const newCount = state.count + increment;
return {
count: newCount >= threshold ? 0 : newCount
};
}
resolve(state: CounterState): number {
return state.count;
}
}
```
## Type Assertions
When working with dependency values, you'll often need to use type assertions since they're typed as `unknown`:
```typescript
// Type assertion
const value = deps.someDependency as SomeType;
// Type guard
if (typeof deps.someDependency === 'number') {
// deps.someDependency is now typed as number
}
```
## Best Practices
1. **Use `as const`** for string literals to get the most specific type
2. **Narrow types** when accessing dependency values
3. **Document expected types** in JSDoc comments
4. **Handle undefined** values when dependencies might be missing
5. **Use type guards** for runtime type safety when needed

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# Dependency Resolution
## Overview
The Custom Resolver system includes a robust dependency resolution mechanism that ensures plugins are processed in the correct order based on their dependencies. This document explains how the resolution process works and how to work with complex dependency graphs.
## How Dependency Resolution Works
1. **Graph Construction**: The system builds a directed graph of plugin dependencies during initialization.
2. **Cycle Detection**: The graph is checked for cycles to prevent infinite loops.
3. **Topological Sort**: Plugins are ordered such that all dependencies are processed before the plugins that depend on them.
4. **State Resolution**: During processing, each plugin receives the resolved states of its dependencies.
## Example: Resolving Dependencies
Consider the following plugin configuration:
```typescript
const resolver = new CustomResolver(view, {
basePrice: new LastWriteWinsPlugin(),
discount: new LastWriteWinsPlugin(),
taxRate: new LastWriteWinsPlugin(),
tax: new TaxCalculatorPlugin(), // Depends on basePrice and taxRate
total: new TotalPricePlugin() // Depends on basePrice, discount, and tax
});
```
The system will automatically determine the correct processing order:
1. `basePrice`, `discount`, `taxRate` (no dependencies)
2. `tax` (depends on basePrice and taxRate)
3. `total` (depends on basePrice, discount, and tax)
## Handling Circular Dependencies
Circular dependencies are detected during initialization and will result in an error. For example:
```typescript
// This will throw an error during initialization
const resolver = new CustomResolver(view, {
a: new SomePlugin({ deps: ['b'] }),
b: new SomePlugin({ deps: ['a'] }) // Circular dependency!
});
```
## Advanced Dependency Patterns
### Optional Dependencies
To make a dependency optional, mark it with a `?` suffix:
```typescript
class MyPlugin extends ResolverPlugin<MyState, 'required' | 'optional?'> {
readonly dependencies = ['required', 'optional?'] as const;
// ...
}
```
### Dynamic Dependencies
For plugins that need to determine dependencies at runtime, you can implement a custom resolver:
```typescript
class DynamicDepsPlugin extends ResolverPlugin<DynamicState> {
getDependencies(config: any): string[] {
// Determine dependencies based on config
return ['always'];
}
// ...
}
```
## Debugging Dependency Issues
### Common Issues
1. **Missing Dependencies**: Ensure all required dependencies are declared
2. **Type Mismatches**: Verify that dependency types match expected types
3. **Circular Dependencies**: Break circular references in your dependency graph
### Debugging Tools
1. **Dependency Graph**: Use `resolver.getDependencyGraph()` to inspect the dependency graph
2. **Processing Order**: Check `resolver.getProcessingOrder()` to see the resolved execution order
3. **Logging**: Enable debug logging to track dependency resolution
## Performance Considerations
1. **Dependency Depth**: Deep dependency chains can impact performance
2. **Graph Complexity**: Complex graphs take longer to process
3. **Caching**: The system caches resolved dependencies for performance
## Best Practices
1. **Minimize Dependencies**: Only depend on what you need
2. **Keep Graphs Shallow**: Prefer wide, shallow dependency graphs over deep ones
3. **Document Dependencies**: Clearly document all plugin dependencies
4. **Test Edge Cases**: Test with missing or invalid dependencies
5. **Monitor Performance**: Keep an eye on resolution time for large graphs

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# Plugin Dependencies
## Overview
The Custom Resolver system provides a powerful dependency management system that allows plugins to depend on the resolved values of other properties. This enables complex resolution strategies where the value of one property can influence how another property is resolved.
## Key Concepts
1. **Dependency Declaration**: Plugins declare their dependencies using the `dependencies` property
2. **Type Safety**: Dependencies are type-checked at compile time
3. **Automatic Resolution**: The system resolves dependencies in the correct order
4. **Cycle Detection**: Circular dependencies are detected and reported
## How It Works
1. **Dependency Graph**: The system builds a directed acyclic graph (DAG) of plugin dependencies
2. **Topological Sort**: Plugins are processed in an order that respects their dependencies
3. **Dependency Injection**: Required dependencies are automatically injected into plugin methods
4. **Lazy Resolution**: Dependencies are only resolved when needed
## Example
```typescript
class TotalPricePlugin extends ResolverPlugin<TotalState, 'price' | 'tax'> {
readonly dependencies = ['price', 'tax'] as const;
initialize(): TotalState {
return { total: 0 };
}
update(
state: TotalState,
_newValue: unknown,
_delta: CollapsedDelta,
deps: DependencyStates
): TotalState {
const price = deps.price as number;
const tax = deps.tax as number;
return { total: price + tax };
}
resolve(state: TotalState): number {
return state.total;
}
}
```
## Best Practices
1. **Minimal Dependencies**: Only declare dependencies that are actually needed
2. **Acyclic Dependencies**: Keep the dependency graph acyclic
3. **Document Dependencies**: Clearly document what each dependency is used for
4. **Handle Missing Dependencies**: Gracefully handle cases where dependencies might be undefined
## Next Steps
- Learn about [Type-Safe Dependencies](./type-safety.md)
- Understand [Dependency Resolution](./dependency-resolution.md)

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# Type-Safe Dependencies
## Overview
The Custom Resolver system leverages TypeScript's type system to provide compile-time safety for plugin dependencies. This ensures that:
1. Only declared dependencies can be accessed
2. Dependencies are properly typed
3. Refactoring is safer with compiler support
4. Common errors are caught during development
## How It Works
The `ResolverPlugin` interface uses TypeScript generics to enforce type safety:
```typescript
interface ResolverPlugin<T = unknown, D extends string = never> {
readonly name: string;
readonly dependencies?: readonly D[];
// ... methods receive properly typed dependencies
update(
currentState: T,
newValue: PropertyTypes,
delta: CollapsedDelta,
dependencies: DependencyStates
): T;
}
type DependencyStates = {
[K in D]: unknown;
};
```
## Declaring Dependencies
Dependencies are declared as a readonly array of string literals:
```typescript
class MyPlugin extends ResolverPlugin<MyState, 'dep1' | 'dep2'> {
readonly dependencies = ['dep1', 'dep2'] as const;
// ... implementation
}
```
### Type Inference
Using `as const` with the dependencies array ensures TypeScript infers the most specific type possible:
```typescript
// Type is readonly ["dep1", "dep2"]
readonly dependencies = ['dep1', 'dep2'] as const;
```
## Accessing Dependencies
Dependencies are accessed through the `dependencies` parameter in plugin methods:
```typescript
update(
state: MyState,
_newValue: unknown,
_delta: CollapsedDelta,
deps: DependencyStates
): MyState {
// TypeScript knows price and tax are available
const price = deps.price as number;
const tax = deps.tax as number;
// This would be a TypeScript error:
// const unknown = deps.unknown; // Error: Property 'unknown' does not exist
return { /* ... */ };
}
```
## Type Assertions
Since dependency values are typed as `unknown`, you'll need to use type assertions or type guards:
```typescript
// Using type assertion
const price = deps.price as number;
// Using type guard
if (typeof deps.price === 'number') {
// deps.price is now typed as number
}
```
## Best Practices
1. **Use `as const`** for dependency arrays to get the most specific type
2. **Narrow types** when accessing dependency values
3. **Document expected types** of dependencies in JSDoc
4. **Handle undefined** values when dependencies might be missing
## Common Patterns
### Optional Dependencies
```typescript
class MyPlugin extends ResolverPlugin<MyState, 'required' | 'optional?'> {
readonly dependencies = ['required', 'optional?'] as const;
update(_state: MyState, _value: unknown, _delta: CollapsedDelta, deps: any) {
const required = deps.required as number; // Always present
const optional = deps['optional?'] as number | undefined; // Might be undefined
// ...
}
}
```
### Multiple Dependencies with Same Type
```typescript
type PriceDependencies = 'price1' | 'price2' | 'price3';
class PriceAggregator extends ResolverPlugin<PriceState, PriceDependencies> {
readonly dependencies: readonly PriceDependencies[] = ['price1', 'price2', 'price3'] as const;
update(_state: PriceState, _value: unknown, _delta: CollapsedDelta, deps: any) {
const prices = this.dependencies
.map(dep => deps[dep] as number | undefined)
.filter((p): p is number => p !== undefined);
// ...
}
}
```
## Troubleshooting
### Type Errors
- **Missing Dependencies**: Ensure all dependencies are properly declared in the type parameter
- **Incorrect Types**: Verify type assertions match the expected types
- **Readonly Arrays**: Use `readonly` and `as const` for dependency arrays
### Runtime Errors
- **Undefined Dependencies**: Check if a dependency exists before using it
- **Type Mismatches**: Validate types at runtime when necessary
- **Circular Dependencies**: Ensure your dependency graph is acyclic

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# Custom Resolvers
## Overview
The `CustomResolver` system provides a flexible framework for resolving property conflicts in distributed systems. It enables you to define custom resolution strategies through plugins, complete with type-safe dependencies between resolvers.
## Key Features
- **Plugin-based Architecture**: Extend functionality with custom resolvers
- **Type-Safe Dependencies**: Compile-time checking of plugin dependencies
- **Built-in Resolvers**: Common resolution strategies included
- **Efficient Processing**: Only processes changed deltas
- **Deterministic Results**: Same input always produces the same output
## Core Concepts
1. **Resolver Plugins**: Implement resolution logic for properties
2. **Dependency Management**: Declare and manage dependencies between plugins
3. **State Management**: Maintain and update state based on incoming deltas
4. **Resolution Pipeline**: Process updates and resolve final values
## Getting Started
```typescript
import { CustomResolver, LastWriteWinsPlugin } from './resolver';
import { LosslessView } from '../lossless-view';
// Create a lossless view
const view = new LosslessView();
// Create a resolver with a last-write-wins strategy
const resolver = new CustomResolver(view, {
myProperty: new LastWriteWinsPlugin()
});
// Process updates
// ...
// Get resolved values
const result = resolver.resolve();
```
## Next Steps
- Learn about [Built-in Plugins](./plugins/builtin-plugins.md)
- Understand [Type-Safe Dependencies](./dependencies/type-safety.md)
- Explore [Creating Custom Plugins](./plugins/creating-plugins.md)

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# Built-in Plugins
## Overview
The Custom Resolver system includes several built-in plugins that implement common resolution strategies. These can be used directly or as examples for creating custom plugins.
## Available Plugins
### Last Write Wins
Keeps the most recent value based on timestamp.
```typescript
const resolver = new CustomResolver(view, {
myProperty: new LastWriteWinsPlugin()
});
```
### First Write Wins
Keeps the first non-null value seen.
```typescript
const resolver = new CustomResolver(view, {
myProperty: new FirstWriteWinsPlugin()
});
```
### Concatenation
Combines string values with a separator.
```typescript
const resolver = new CustomResolver(view, {
fullName: new ConcatenationPlugin({
separator: ' ',
sort: true // Sort values before concatenation
})
});
```
### Majority Vote
Selects the most common value.
```typescript
const resolver = new CustomResolver(view, {
status: new MajorityVotePlugin({
minVotes: 2 // Minimum votes required to select a winner
})
});
```
### Minimum Value
Tracks the minimum numeric value.
```typescript
const resolver = new CustomResolver(view, {
minPrice: new MinPlugin()
});
```
### Maximum Value
Tracks the maximum numeric value.
```typescript
const resolver = new CustomResolver(view, {
maxScore: new MaxPlugin()
});
```
## Plugin Options
| Plugin | Options | Default | Description |
|--------|---------|---------|-------------|
| `ConcatenationPlugin` | `separator: string`<br>`sort: boolean` | `', '`<br>`false` | Separator between values and whether to sort |
| `MajorityVotePlugin` | `minVotes: number` | `1` | Minimum votes needed to select a winner |
| `LastWriteWins`<br>`FirstWriteWins`<br>`MinPlugin`<br>`MaxPlugin` | None | N/A | No configuration options |
## Choosing the Right Plugin
- Use `LastWriteWins` for simple timestamp-based resolution
- Use `FirstWriteWins` to preserve the initial value
- Use `ConcatenationPlugin` for combining string values
- Use `MajorityVote` for consensus-based resolution
- Use `MinPlugin`/`MaxPlugin` for numeric ranges

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# Creating Custom Plugins
## Overview
Custom plugins allow you to implement custom resolution logic for your specific use case. This guide walks through creating a new plugin from scratch.
## Basic Plugin Structure
A minimal plugin must implement the `ResolverPlugin` interface:
```typescript
import { ResolverPlugin } from '../resolver';
class MyPlugin extends ResolverPlugin<MyState> {
initialize(): MyState {
// Return initial state
return { /* ... */ };
}
update(
currentState: MyState,
newValue: unknown,
delta: CollapsedDelta,
dependencies: {}
): MyState {
// Update state based on new value
return { /* updated state */ };
}
resolve(state: MyState): unknown {
// Return the resolved value
return /* resolved value */;
}
}
```
## Adding Dependencies
To depend on other properties, specify the dependency types:
```typescript
class DiscountedPricePlugin extends ResolverPlugin<DiscountState, 'basePrice' | 'discount'> {
readonly dependencies = ['basePrice', 'discount'] as const;
initialize(): DiscountState {
return { finalPrice: 0 };
}
update(
state: DiscountState,
_newValue: unknown,
_delta: CollapsedDelta,
deps: DependencyStates
): DiscountState {
const basePrice = deps.basePrice as number;
const discount = deps.discount as number;
return { finalPrice: basePrice * (1 - discount) };
}
resolve(state: DiscountState): number {
return state.finalPrice;
}
}
```
## Best Practices
1. **Immutable State**: Always return new state objects instead of mutating
2. **Pure Functions**: Keep update and resolve methods pure and side-effect free
3. **Error Handling**: Handle unexpected input gracefully
4. **Type Safety**: Use TypeScript types to catch errors early
5. **Documentation**: Document your plugin's behavior and requirements
## Testing Your Plugin
Create tests to verify your plugin's behavior:
```typescript
describe('DiscountedPricePlugin', () => {
let view: LosslessView;
let resolver: CustomResolver;
beforeEach(() => {
view = new LosslessView();
resolver = new CustomResolver(view, {
basePrice: new LastWriteWinsPlugin(),
discount: new LastWriteWinsPlugin(),
finalPrice: new DiscountedPricePlugin()
});
});
test('applies discount to base price', () => {
// Test your plugin's behavior
});
});
```
## Advanced Topics
### Handling Complex Dependencies
For plugins with complex dependency requirements, you can use the `dependencies` array to declare all required properties and access them in a type-safe way through the `dependencies` parameter.
### Performance Considerations
- Keep state updates minimal and efficient
- Avoid expensive computations in the update method
- Consider memoization for expensive resolve operations
### Debugging
Add logging to track state changes and resolution:
```typescript
update(currentState: MyState, newValue: unknown): MyState {
debug('Updating with:', { currentState, newValue });
// ...
}
```

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# Resolver Plugins
## Overview
Resolver plugins implement the core resolution logic for properties in the Custom Resolver system. Each plugin is responsible for:
1. Initializing its internal state
2. Processing updates to the property
3. Resolving the final value from the current state
## Plugin Lifecycle
1. **Initialization**: When a resolver is created, each plugin's `initialize()` method is called to set up its initial state.
2. **Update Processing**: For each new delta, the `update()` method is called with the current state, new value, and any dependency states.
3. **Resolution**: The `resolve()` method is called to produce the final value from the current state.
## Built-in Plugins
The system includes several common resolution strategies:
- [Last Write Wins](./builtin-plugins.md#last-write-wins)
- [First Write Wins](./builtin-plugins.md#first-write-wins)
- [Concatenation](./builtin-plugins.md#concatenation)
- [Majority Vote](./builtin-plugins.md#majority-vote)
- [Minimum Value](./builtin-plugins.md#min)
- [Maximum Value](./builtin-plugins.md#max)
## Creating Custom Plugins
See the [Creating Custom Plugins](./creating-plugins.md) guide for detailed information on implementing your own resolver plugins.

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# Delta Patterns in Rhizome-Node
This document outlines the distinct delta patterns identified in the Rhizome-Node test suite.
## 1. Basic Entity Creation
```typescript
createDelta('creator', 'host')
.setProperty('entity1', 'name', 'Alice', 'user')
.buildV1();
```
## 2. Relationship Creation
```typescript
createDelta('creator', 'host')
.addPointer('users', 'alice', 'friends')
.addPointer('friend', 'bob')
.addPointer('type', 'friendship')
.buildV1();
```
## 3. Transaction-Enabled Deltas
```typescript
createDelta('user1', 'host1')
.inTransaction('tx123')
.setProperty('doc1', 'status', 'draft')
.buildV1();
```
## 4. Negation Deltas
```typescript
// Creating a negation delta
const delta = createDelta('user1', 'host1').buildV1();
const negation = createDelta('moderator', 'host1').negate(delta.id).buildV1();
```
## 5. Temporal Deltas
```typescript
createDelta('user1', 'host1')
.withTimestamp(1624233600000)
.setProperty('entity1', 'score', 100, 'game')
.buildV1();
```
## 6. Multi-Property Deltas
```typescript
createDelta('user1', 'host1')
.setProperty('entity1', 'title', 'Hello World', 'post')
.setProperty('entity1', 'content', 'This is a test', 'post')
.setProperty('entity1', 'published', true, 'post')
.buildV1();
```
## 7. Reference-Only Deltas
```typescript
createDelta('system', 'host1')
.addPointer('posts', 'post1', 'recent')
.buildV1();
```
## 8. Bulk Operation Deltas
```typescript
// Multiple entities in a single delta
createDelta('batch', 'host1')
.setProperty('user1', 'status', 'active', 'user')
.setProperty('user2', 'status', 'inactive', 'user')
.buildV1();
```
## 9. Versioned Deltas
```typescript
// V1 format
createDelta('a', 'h').buildV1();
// V2 format
createDelta('a', 'h').buildV2();
```
## Key Observations
- Most deltas follow a fluent builder pattern
- Deltas can be composed of multiple operations (setProperty, addPointer, etc.)
- Support for both V1 and V2 delta formats
- Strong typing and schema validation is commonly used
- Transaction support is built into the delta creation process
- Temporal aspects can be explicitly controlled

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# JSON AST (Abstract Syntax Tree)
JSON AST is a representation of a JSON object as a tree of nodes.
The following is obtained from running
ts-node examples/json-ast.ts
## Original JSON:
```json
{
"name": "John Doe",
"age": 42,
"active": true,
"scores": [
95,
87,
92
],
"address": {
"street": "123 Main St",
"city": "Anytown",
"coordinates": {
"lat": 42.1234,
"lng": -71.2345
}
},
"tags": [
"admin",
"user",
"premium"
],
"metadata": {
"createdAt": "2023-01-01T00:00:00Z",
"updatedAt": "2023-06-21T12:34:56Z"
}
}
```
## AST:
```json
{
"type": "object",
"children": [
{
"type": "string",
"value": "John Doe",
"path": "name",
"key": "name"
},
{
"type": "number",
"value": 42,
"path": "age",
"key": "age"
},
{
"type": "boolean",
"value": true,
"path": "active",
"key": "active"
},
{
"type": "array",
"children": [
{
"type": "number",
"value": 95,
"path": "scores[0]"
},
{
"type": "number",
"value": 87,
"path": "scores[1]"
},
{
"type": "number",
"value": 92,
"path": "scores[2]"
}
],
"path": "scores",
"key": "scores"
},
{
"type": "object",
"children": [
{
"type": "string",
"value": "123 Main St",
"path": "address.street",
"key": "street"
},
{
"type": "string",
"value": "Anytown",
"path": "address.city",
"key": "city"
},
{
"type": "object",
"children": [
{
"type": "number",
"value": 42.1234,
"path": "address.coordinates.lat",
"key": "lat"
},
{
"type": "number",
"value": -71.2345,
"path": "address.coordinates.lng",
"key": "lng"
}
],
"path": "address.coordinates",
"key": "coordinates"
}
],
"path": "address",
"key": "address"
},
{
"type": "array",
"children": [
{
"type": "string",
"value": "admin",
"path": "tags[0]"
},
{
"type": "string",
"value": "user",
"path": "tags[1]"
},
{
"type": "string",
"value": "premium",
"path": "tags[2]"
}
],
"path": "tags",
"key": "tags"
},
{
"type": "object",
"children": [
{
"type": "string",
"value": "2023-01-01T00:00:00Z",
"path": "metadata.createdAt",
"key": "createdAt"
},
{
"type": "string",
"value": "2023-06-21T12:34:56Z",
"path": "metadata.updatedAt",
"key": "updatedAt"
}
],
"path": "metadata",
"key": "metadata"
}
]
}
```
## Traversed AST:
```text
OBJECT
STRING: "John Doe" [name]
NUMBER: 42 [age]
BOOLEAN: true [active]
ARRAY [scores]
NUMBER: 95 [scores[0]]
NUMBER: 87 [scores[1]]
NUMBER: 92 [scores[2]]
OBJECT [address]
STRING: "123 Main St" [address.street]
STRING: "Anytown" [address.city]
OBJECT [address.coordinates]
NUMBER: 42.1234 [address.coordinates.lat]
NUMBER: -71.2345 [address.coordinates.lng]
ARRAY [tags]
STRING: "admin" [tags[0]]
STRING: "user" [tags[1]]
STRING: "premium" [tags[2]]
OBJECT [metadata]
STRING: "2023-01-01T00:00:00Z" [metadata.createdAt]
STRING: "2023-06-21T12:34:56Z" [metadata.updatedAt]
```

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# Resolvers (Views)
The workhorse of this system is likely going to be our lossy views.
This is where the computation likely generally occurs.
So, let's talk about how to create a view.
A lossy view initializes from a given lossless view.
The lossless view dispatches events when entity properties are updated.
View semantics are similar to map-reduce, resolvers in Redux, etc.
The key is to identify your accumulator object.
Your algorithm SHOULD be implemented so that the reducer is a pure function.
All state must therefore be stored in the accumulator.

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# Schema Validation in Rhizome-Node
This document explains how schema validation works with deltas in Rhizome-Node.
## Overview
Schema validation in Rhizome-Node is enforced at the `TypedCollection` level when using the `put` method, which validates data before creating deltas. This means:
1. **Local Changes**: When you use `collection.put()`, the data is validated against the schema before any deltas are created and ingested.
2. **Peer Changes**: Deltas received from other peers are ingested without validation by default, which means invalid data can enter the system.
3. **Validation Tracking**: The system tracks which entities are valid/invalid after ingestion.
## Example Usage
```typescript
// 1. Define a schema for users
const userSchema = SchemaBuilder
.create('user')
.name('User')
.property('name', PrimitiveSchemas.requiredString())
.property('email', PrimitiveSchemas.email())
.property('age', PrimitiveSchemas.integer({ minimum: 0 }))
.required('name')
.build();
// 2. Create a typed collection with strict validation
const collection = new TypedCollectionImpl<{
name: string;
email?: string;
age?: number;
}>('users', userSchema, schemaRegistry, {
strictValidation: true // Enable strict validation
});
// Connect to the node
collection.rhizomeConnect(node);
// 3. Local changes - validated on put()
// Valid usage - will pass schema validation
await collection.put('user1', {
name: 'Alice',
email: 'alice@example.com',
age: 30
});
// Invalid usage - will throw SchemaValidationError
await expect(collection.put('user2', {
email: 'invalid-email', // Invalid email format
age: -5 // Negative age
})).rejects.toThrow(SchemaValidationError);
// 4. Peer data - ingested without validation by default
const unsafeDelta = createDelta('peer1', 'peer1')
.setProperty('user3', 'name', 'Bob', 'users')
.setProperty('user3', 'age', 'not-a-number', 'users')
.buildV1();
// This will be ingested without validation
node.lossless.ingestDelta(unsafeDelta);
// 5. Check validation status after the fact
const stats = collection.getValidationStats();
debug(`Valid: ${stats.validEntities}, Invalid: ${stats.invalidEntities}`);
// Get details about invalid entities
const invalidUsers = collection.getInvalidEntities();
invalidUsers.forEach(user => {
debug(`User ${user.entityId} is invalid:`, user.errors);
});
```
## Key Points
### Validation Timing
- Schema validation happens in `TypedCollection.put()` before deltas are created
- Deltas from peers are ingested without validation by default
### Validation Modes
- `strictValidation: true`: Throws errors on invalid data (recommended for local changes)
- `strictValidation: false`: Allows invalid data but tracks it (default)
### Monitoring
- Use `getValidationStats()` to get counts of valid/invalid entities
- Use `getInvalidEntities()` to get detailed error information
### Best Practices
- Always validate data before creating deltas when accepting external input
- Use `strictValidation: true` for collections where data integrity is critical
- Monitor validation statistics in production to detect data quality issues
- Consider implementing a validation layer for peer data if needed

100
docs/test-helpers.md Normal file
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@ -0,0 +1,100 @@
# Test Helpers
This document provides documentation for the test helper functions available in the Rhizome Node test suite.
## `testResolverWithPlugins`
A helper function for testing custom resolvers with plugins and a sequence of deltas.
### Import
```typescript
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
```
### Signature
```typescript
function testResolverWithPlugins<T>({
entityId,
plugins,
deltas,
expectedResult
}: {
entityId: string;
plugins: Record<string, ResolverPlugin>;
deltas: Delta[];
expectedResult: (result: T) => void;
}): Promise<void>;
```
### Parameters
- `entityId`: The ID of the entity to test
- `plugins`: An object mapping property names to their respective resolver plugins
- `deltas`: An array of `Delta` objects to process
- `expectedResult`: A callback function that receives the resolved result for assertions
### Return Value
A promise that resolves when the test is complete.
### Example Usage
```typescript
import { testResolverWithPlugins, createTestDelta } from '@test-helpers/resolver-test-helper';
import { ConcatenationPlugin } from '@src/views/resolvers/custom-resolvers/builtin-plugins';
describe('MyCustomResolver', () => {
test('should process deltas correctly', async () => {
// Run test with plugins and deltas
await testResolverWithPlugins({
entityId: 'entity1',
plugins: {
myProperty: new ConcatenationPlugin()
},
deltas: [
createTestDelta('user1', 'host1')
.setProperty('entity1', 'myProperty', 'value1')
.buildV1(),
createTestDelta('user1', 'host1')
.setProperty('entity1', 'myProperty', 'value2')
.buildV1()
],
expectedResult: (result) => {
expect(result.properties.myProperty).toBe('value1 value2');
}
});
});
});
```
## `createTestDelta`
A helper function for creating test deltas with a fluent API.
### Example Usage
```typescript
const delta = createTestDelta('user1', 'host1')
.withTimestamp(1000)
.setProperty('entity1', 'tags', 'red', 'color1')
.buildV1();
```
## How It Works
1. Creates a new `Lossless` instance for the test
2. Sets up a `CustomResolver` with the provided plugins
3. Ingests all provided deltas into the `Lossless` instance
4. Retrieves a view for the specified entity
5. Processes the view through the resolver
6. Calls the `expectedResult` callback with the resolved entity
## Best Practices
- Use this helper when testing custom resolvers with plugins
- The helper handles all setup and teardown of test resources
- Use `createTestDelta` for consistent delta creation in tests
- The helper ensures type safety between the resolver and the expected result type
- Each test gets a fresh `Lossless` instance automatically

View File

@ -1,6 +1,6 @@
import Debug from 'debug';
import {BasicCollection, Entity, RhizomeNode} from '../src';
const debug = Debug('example-app');
const debug = Debug('rz:example-app');
// As an app we want to be able to write and read data.
// The data is whatever shape we define it to be in a given context.

51
examples/json-ast.ts Normal file
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@ -0,0 +1,51 @@
import { jsonToAst } from '../src/utils/json-ast/index';
// Example JSON data
const exampleJson = {
name: "John Doe",
age: 42,
active: true,
scores: [95, 87, 92],
address: {
street: "123 Main St",
city: "Anytown",
coordinates: {
lat: 42.1234,
lng: -71.2345
}
},
tags: ["admin", "user", "premium"],
metadata: {
createdAt: "2023-01-01T00:00:00Z",
updatedAt: "2023-06-21T12:34:56Z"
}
};
// Convert JSON to AST with path information
const ast = jsonToAst(exampleJson, {
includePath: true,
maxDepth: 10,
// Optional filter - only include nodes with paths that include 'address'
// filter: (node) => !node.path || node.path.includes('address')
});
debug("Original JSON:", JSON.stringify(exampleJson, null, 2));
debug("\nAST:", JSON.stringify(ast, null, 2));
// Example of traversing the AST
function traverse(node: any, indent = 0) {
const padding = ' '.repeat(indent);
const type = node.type.toUpperCase();
const value = node.value !== undefined ? `: ${JSON.stringify(node.value)}` : '';
const path = node.path ? ` [${node.path}]` : '';
debug(`${padding}${type}${value}${path}`);
if (node.children) {
node.children.forEach((child: any) => traverse(child, indent + 2));
}
}
debug('\nTraversed AST:');
traverse(ast);

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@ -1,105 +0,0 @@
[2025-06-18T01:06:06.659Z] ✅ Docker build started, streaming output...
[2025-06-18T01:06:06.660Z] [Docker Build] Step 1/11 : FROM node:24
[2025-06-18T01:06:06.660Z] [Docker Build]
[2025-06-18T01:06:06.660Z] [Docker Build] ---> 755ea2a01757
[2025-06-18T01:06:06.660Z] [Docker Build] Step 2/11 : WORKDIR /app
[2025-06-18T01:06:06.660Z] [Docker Build]
[2025-06-18T01:06:06.661Z] [Docker Build] ---> Using cache
[2025-06-18T01:06:06.661Z] [Docker Build] ---> a471eaba1647
[2025-06-18T01:06:06.661Z] [Docker Build] Step 3/11 : COPY package.json package-lock.json tsconfig.json ./
[2025-06-18T01:06:06.661Z] [Docker Build]
[2025-06-18T01:06:06.833Z] [Docker Build] ---> 7c047af2d840
[2025-06-18T01:06:06.834Z] [Docker Build] Step 4/11 : RUN npm ci --include=dev
[2025-06-18T01:06:06.834Z] [Docker Build]
[2025-06-18T01:06:06.934Z] [Docker Build] ---> Running in 49af7c037197
[2025-06-18T01:06:10.455Z] [Docker Build] npm warn deprecated rimraf@3.0.2: Rimraf versions prior to v4 are no longer supported

[2025-06-18T01:06:10.734Z] [Docker Build] npm warn deprecated npmlog@6.0.2: This package is no longer supported.

[2025-06-18T01:06:11.395Z] [Docker Build] npm warn deprecated inflight@1.0.6: This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.

[2025-06-18T01:06:11.461Z] [Docker Build] npm warn deprecated glob@7.2.3: Glob versions prior to v9 are no longer supported

[2025-06-18T01:06:11.524Z] [Docker Build] npm warn deprecated gauge@4.0.4: This package is no longer supported.

[2025-06-18T01:06:12.230Z] [Docker Build] npm warn deprecated are-we-there-yet@3.0.1: This package is no longer supported.

[2025-06-18T01:06:13.207Z] [Docker Build] npm warn deprecated @humanwhocodes/object-schema@2.0.3: Use @eslint/object-schema instead

[2025-06-18T01:06:13.251Z] [Docker Build] npm warn deprecated @humanwhocodes/config-array@0.13.0: Use @eslint/config-array instead

[2025-06-18T01:06:14.440Z] [Docker Build] npm warn deprecated eslint@8.57.1: This version is no longer supported. Please see https://eslint.org/version-support for other options.

[2025-06-18T01:06:19.569Z] [Docker Build]
added 839 packages, and audited 841 packages in 12s
[2025-06-18T01:06:19.569Z] [Docker Build] 175 packages are looking for funding
run `npm fund` for details
[2025-06-18T01:06:19.571Z] [Docker Build]
found 0 vulnerabilities
[2025-06-18T01:06:19.572Z] [Docker Build] npm notice
npm notice New minor version of npm available! 11.3.0 -> 11.4.2
npm notice Changelog: https://github.com/npm/cli/releases/tag/v11.4.2
npm notice To update run: npm install -g npm@11.4.2
npm notice

[2025-06-18T01:06:31.247Z] [Docker Build] ---> Removed intermediate container 49af7c037197
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[2025-06-18T01:06:31.598Z] [Docker Build]
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[2025-06-18T01:06:31.986Z] [Docker Build] ---> 862b5fe2ca61
[2025-06-18T01:06:31.986Z] [Docker Build] Step 9/11 : RUN npm run build --verbose
[2025-06-18T01:06:31.986Z] [Docker Build]
[2025-06-18T01:06:32.085Z] [Docker Build] ---> Running in 386a95b55921
[2025-06-18T01:06:32.475Z] [Docker Build] npm verbose cli /usr/local/bin/node /usr/local/bin/npm

[2025-06-18T01:06:32.476Z] [Docker Build] npm info using npm@11.3.0

[2025-06-18T01:06:32.476Z] [Docker Build] npm info using node@v24.2.0

[2025-06-18T01:06:32.478Z] [Docker Build] npm verbose title npm run build
npm verbose argv "run" "build" "--loglevel" "verbose"

[2025-06-18T01:06:32.478Z] [Docker Build] npm verbose logfile logs-max:10 dir:/root/.npm/_logs/2025-06-18T01_06_32_444Z-

[2025-06-18T01:06:32.502Z] [Docker Build] npm verbose logfile /root/.npm/_logs/2025-06-18T01_06_32_444Z-debug-0.log

[2025-06-18T01:06:32.528Z] [Docker Build]
> rhizome-node@0.1.0 build
> tsc
[2025-06-18T01:06:35.285Z] [Docker Build] npm verbose cwd /app

[2025-06-18T01:06:35.285Z] [Docker Build] npm verbose os Linux 6.8.0-60-generic

[2025-06-18T01:06:35.285Z] [Docker Build] npm verbose node v24.2.0

[2025-06-18T01:06:35.285Z] [Docker Build] npm verbose npm v11.3.0

[2025-06-18T01:06:35.286Z] [Docker Build] npm verbose exit 0

[2025-06-18T01:06:35.286Z] [Docker Build] npm info ok

[2025-06-18T01:06:35.874Z] [Docker Build] ---> Removed intermediate container 386a95b55921
[2025-06-18T01:06:35.874Z] [Docker Build] ---> 694f414f6cdb
[2025-06-18T01:06:35.874Z] [Docker Build] Step 10/11 : ENV NODE_ENV=test
[2025-06-18T01:06:35.874Z] [Docker Build]
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[2025-06-18T01:06:36.124Z] [Docker Build] ---> 3eb20e31ad6a
[2025-06-18T01:06:36.124Z] [Docker Build] Step 11/11 : CMD ["node", "dist/examples/app.js"]
[2025-06-18T01:06:36.124Z] [Docker Build]
[2025-06-18T01:06:36.225Z] [Docker Build] ---> Running in 3c6e1a89fadb
[2025-06-18T01:06:36.329Z] [Docker Build] ---> Removed intermediate container 3c6e1a89fadb
[2025-06-18T01:06:36.329Z] [Docker Build] ---> 66da6b5995cc
[2025-06-18T01:06:36.329Z] [Docker Build] {"aux":{"ID":"sha256:66da6b5995cc50e0463df668b8820b56b6e384a7c91dfaca010ff8c3761b1146"}}
[2025-06-18T01:06:36.331Z] [Docker Build] Successfully built 66da6b5995cc
[2025-06-18T01:06:36.350Z] [Docker Build] Successfully tagged rhizome-node-test:latest
[2025-06-18T01:06:36.350Z] ✅ Docker build completed successfully

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@ -1,41 +0,0 @@
> rhizome-node@0.1.0 test
> jest --coverage
PASS __tests__/peer-address.ts
PASS __tests__/lossy.ts
PASS __tests__/lossless.ts
PASS __tests__/run/001-single-node.ts
PASS __tests__/run/002-two-nodes.ts
-------------------|---------|----------|---------|---------|----------------------------------------------------
File | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s
-------------------|---------|----------|---------|---------|----------------------------------------------------
All files | 81.01 | 72.28 | 77.4 | 85.03 |
src | 86.71 | 79.89 | 83.67 | 91.2 |
collection.ts | 79.54 | 68.18 | 76 | 82.92 | 10,60,69,113-120,125,128,139,142,146,173,180
config.ts | 95 | 89.65 | 50 | 95 | 24
delta.ts | 95 | 83.33 | 100 | 95 | 31
deltas.ts | 68.65 | 70.96 | 78.26 | 72.58 | 6,43-46,57-61,69-70,77-85
lossless.ts | 93.02 | 90.24 | 92.85 | 93.02 | 36-40,56,113
lossy.ts | 97.29 | 81.81 | 100 | 97.29 | 36
node.ts | 91.07 | 85 | 88.23 | 97.87 | 6
peers.ts | 91.86 | 88.46 | 93.54 | 96.1 | 6,121-122
pub-sub.ts | 81.81 | 69.44 | 73.07 | 93.65 | 6,15-16,51
request-reply.ts | 81.17 | 68.42 | 75.86 | 91.54 | 6,15-16,58,72,100
transactions.ts | 98.11 | 95.55 | 93.33 | 98 | 99
types.ts | 100 | 100 | 100 | 100 |
src/http | 55.72 | 47.45 | 50 | 59.66 |
api.ts | 43.66 | 31.42 | 42.3 | 45.31 | 6,22,26,31-48,53,67-68,81-120
html.ts | 60 | 0 | 40 | 60 | 17-18,22-29,33
index.ts | 77.14 | 77.27 | 69.23 | 90 | 3,5-6
src/util | 72.16 | 53.52 | 75 | 72.94 |
md-files.ts | 72.16 | 53.52 | 75 | 72.94 | 10-11,16,21-23,74-78,92-95,108,110,114-118,131-138
util | 100 | 100 | 100 | 100 |
app.ts | 100 | 100 | 100 | 100 |
-------------------|---------|----------|---------|---------|----------------------------------------------------
Test Suites: 1 skipped, 5 passed, 5 of 6 total
Tests: 2 skipped, 7 passed, 9 total
Snapshots: 0 total
Time: 4.51 s, estimated 5 s
Ran all test suites.

13
package-lock.json generated
View File

@ -12,6 +12,7 @@
"@types/dockerode": "^3.3.40",
"debug": "^4.4.0",
"dockerode": "^4.0.7",
"dotenv": "^16.5.0",
"express": "^4.21.2",
"json-logic-js": "^2.0.5",
"level": "^9.0.0",
@ -4360,6 +4361,18 @@
"node": ">=0.10.0"
}
},
"node_modules/dotenv": {
"version": "16.5.0",
"resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.5.0.tgz",
"integrity": "sha512-m/C+AwOAr9/W1UOIZUo232ejMNnJAJtYQjUbHoNTBNTJSvqzzDh7vnrei3o3r3m9blf6ZoDkvcw0VmozNRFJxg==",
"license": "BSD-2-Clause",
"engines": {
"node": ">=12"
},
"funding": {
"url": "https://dotenvx.com"
}
},
"node_modules/dunder-proto": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.0.tgz",

View File

@ -7,8 +7,7 @@
"build:watch": "tsc --watch",
"lint": "eslint",
"test": "jest",
"coverage": "./scripts/coverage.sh",
"coverage-report": "npm run test -- --coverage --coverageDirectory=coverage",
"coverage": "npm run test -- --coverage",
"example-app": "node dist/examples/app.js",
"stop-all": "docker ps -a --filter \"name=^/rhizome-node-\" --format {{.Names}} | xargs -r docker stop",
"build-test-image": "docker build -t rhizome-node-test -f Dockerfile.test ."
@ -17,14 +16,22 @@
"testEnvironment": "node",
"preset": "ts-jest/presets/default",
"roots": [
"./__tests__/"
"<rootDir>/__tests__"
],
"testMatch": [
"**/__tests__/**/*"
"**/*.test.ts",
"**/*.test.tsx"
],
"setupFilesAfterEnv": [
"<rootDir>/__tests__/jest-setup.ts"
"testPathIgnorePatterns": [
"/node_modules/",
"/dist/"
],
"moduleNameMapper": {
"^@src$": "<rootDir>/src",
"^@src/(.*)$": "<rootDir>/src/$1",
"^@test-helpers$": "<rootDir>/__tests__/__helpers__",
"^@test-helpers/(.*)$": "<rootDir>/__tests__/__helpers__/$1"
},
"transform": {
"^\\.tsx?$": [
"ts-jest",
@ -33,12 +40,24 @@
}
]
},
"setupFiles": [
"./__tests__/jest-setup.ts"
],
"detectOpenHandles": true,
"forceExit": true,
"verbose": true,
"testEnvironmentOptions": {
"NODE_ENV": "test"
}
},
"collectCoverageFrom": [
"src/**/*.{ts,tsx}",
"util/**/*.{ts,tsx}",
"!**/node_modules/**",
"!**/dist/**",
"!**/__tests__/**",
"!**/*.test.{ts,tsx}"
],
"coverageDirectory": "coverage"
},
"author": "Lentil <lentil@laddhoffman.com>",
"license": "Unlicense",
@ -46,6 +65,7 @@
"@types/dockerode": "^3.3.40",
"debug": "^4.4.0",
"dockerode": "^4.0.7",
"dotenv": "^16.5.0",
"express": "^4.21.2",
"json-logic-js": "^2.0.5",
"level": "^9.0.0",

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@ -1,17 +0,0 @@
#!/bin/env bash
force=false
while [[ -n "$1" ]]; do
case "$1" in
-f | --force)
force=true
;;
esac
shift
done
dest="./markdown/coverage_report.md"
npm run test -- --coverage 2>&1 | tee "$dest"
sed -i 's/\s*$//' "$dest"

11
scripts/find_duplicate_tests Executable file
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@ -0,0 +1,11 @@
#!/bin/env bash
DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)
${DIR}/list_tests |
sort |
uniq -d |
while read title; do
grep -Rn --color "$title" __tests__
echo
done

7
scripts/list_tests Executable file
View File

@ -0,0 +1,7 @@
#!/bin/env bash
DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)
find "${DIR}/../__tests__" -name "*.test.ts" |
xargs grep "test(" |
sed "s/^.*[\"']\([^\"']\+\)[\"'].*$/\1/"

View File

@ -4,11 +4,16 @@ import EventEmitter from "node:events";
import {Delta} from "../core/delta";
import {createDelta} from "../core/delta-builder";
import {Entity, EntityProperties} from "../core/entity";
import {ResolvedViewOne} from '../views/resolvers/last-write-wins';
import {RhizomeNode} from "../node";
import {DomainEntityID} from "../core/types";
import { ResolvedTimestampedViewOne } from '../views/resolvers/timestamp-resolvers';
const debug = Debug('rz:abstract-collection');
type CollectionEntity = {
id: DomainEntityID;
properties: EntityProperties;
}
export abstract class Collection<View> {
rhizomeNode?: RhizomeNode;
name: string;
@ -21,7 +26,7 @@ export abstract class Collection<View> {
abstract initializeView(): void;
abstract resolve(id: DomainEntityID): ResolvedViewOne | undefined;
abstract resolve(id: DomainEntityID): ResolvedTimestampedViewOne | undefined;
rhizomeConnect(rhizomeNode: RhizomeNode) {
this.rhizomeNode = rhizomeNode;
@ -131,7 +136,7 @@ export abstract class Collection<View> {
async put(
entityId: DomainEntityID | undefined,
properties: EntityProperties,
): Promise<ResolvedViewOne> {
): Promise<CollectionEntity> {
if (!this.rhizomeNode) throw new Error('collection not connecte to rhizome');
// For convenience, we allow setting id via properties.id

View File

@ -4,19 +4,19 @@
// It could then be further extended with e.g. table semantics like filter, sort, join
import {Collection} from '../collections/collection-abstract';
import {LastWriteWins, ResolvedViewOne} from '../views/resolvers/last-write-wins';
import {TimestampResolver} from '../views/resolvers/timestamp-resolvers';
export class BasicCollection extends Collection<LastWriteWins> {
declare lossy?: LastWriteWins;
export class BasicCollection extends Collection<TimestampResolver> {
declare lossy?: TimestampResolver;
initializeView() {
if (!this.rhizomeNode) throw new Error('not connected to rhizome');
this.lossy = new LastWriteWins(this.rhizomeNode.lossless);
this.lossy = new TimestampResolver(this.rhizomeNode.lossless);
}
resolve(
id: string
): ResolvedViewOne | undefined {
) {
if (!this.rhizomeNode) throw new Error('collection not connected to rhizome');
if (!this.lossy) throw new Error('lossy view not initialized');

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@ -1,7 +1,8 @@
import {Collection} from "./collection-abstract";
import {LastWriteWins, ResolvedViewOne} from "../views/resolvers/last-write-wins";
import { ResolvedTimestampedViewOne as ResolvedViewOne } from "../views/resolvers/timestamp-resolvers";
import {TimestampResolver} from "../views/resolvers/timestamp-resolvers";
class RelationalView extends LastWriteWins {
class RelationalView extends TimestampResolver {
}
export class RelationalCollection extends Collection<RelationalView> {

View File

@ -1,6 +1,7 @@
import Debug from 'debug';
import { Collection } from '../collections/collection-abstract';
import { LastWriteWins, ResolvedViewOne } from '../views/resolvers/last-write-wins';
import { ResolvedTimestampedViewOne as ResolvedViewOne } from '../views/resolvers/timestamp-resolvers';
import { TimestampResolver } from '../views/resolvers/timestamp-resolvers'
import {
ObjectSchema,
SchemaValidationResult,
@ -23,7 +24,7 @@ export class SchemaValidationError extends Error {
}
export class TypedCollectionImpl<T extends Record<string, unknown>>
extends Collection<LastWriteWins>
extends Collection<TimestampResolver>
implements TypedCollection<T> {
schema: ObjectSchema;
@ -56,7 +57,7 @@ export class TypedCollectionImpl<T extends Record<string, unknown>>
initializeView(): void {
if (!this.rhizomeNode) throw new Error('not connected to rhizome');
this.lossy = new LastWriteWins(this.rhizomeNode.lossless);
this.lossy = new TimestampResolver(this.rhizomeNode.lossless);
}
resolve(id: string): ResolvedViewOne | undefined {
@ -73,7 +74,7 @@ export class TypedCollectionImpl<T extends Record<string, unknown>>
const mockLosslessView: LosslessViewOne = {
id: 'validation-mock',
referencedAs: [],
propertyDeltas: {}
propertyDeltas: {},
};
// Create mock deltas for each property
@ -101,7 +102,7 @@ export class TypedCollectionImpl<T extends Record<string, unknown>>
getValidatedView(entityId: DomainEntityID): SchemaAppliedView | undefined {
if (!this.rhizomeNode) throw new Error('collection not connected to rhizome');
const losslessView = this.rhizomeNode.lossless.view([entityId])[entityId];
const losslessView = this.rhizomeNode.lossless.compose([entityId])[entityId];
if (!losslessView) return undefined;
return this.apply(losslessView);
@ -172,7 +173,7 @@ export class TypedCollectionImpl<T extends Record<string, unknown>>
for (const entityId of entityIds) {
if (!this.rhizomeNode) continue;
const losslessView = this.rhizomeNode.lossless.view([entityId])[entityId];
const losslessView = this.rhizomeNode.lossless.compose([entityId])[entityId];
if (!losslessView) continue;
const validationResult = this.schemaRegistry.validate(entityId, this.schema.id, losslessView);
@ -202,7 +203,7 @@ export class TypedCollectionImpl<T extends Record<string, unknown>>
if (!this.rhizomeNode) return [];
return this.getIds().filter(entityId => {
const losslessView = this.rhizomeNode!.lossless.view([entityId])[entityId];
const losslessView = this.rhizomeNode!.lossless.compose([entityId])[entityId];
if (!losslessView) return false;
const validationResult = this.schemaRegistry.validate(entityId, this.schema.id, losslessView);
@ -216,7 +217,7 @@ export class TypedCollectionImpl<T extends Record<string, unknown>>
const invalid: Array<{ entityId: DomainEntityID; errors: string[] }> = [];
for (const entityId of this.getIds()) {
const losslessView = this.rhizomeNode.lossless.view([entityId])[entityId];
const losslessView = this.rhizomeNode.lossless.compose([entityId])[entityId];
if (!losslessView) continue;
const validationResult = this.schemaRegistry.validate(entityId, this.schema.id, losslessView);

View File

@ -1,4 +1,6 @@
import {randomUUID} from "crypto";
import dotenv from 'dotenv';
dotenv.config();
// _HOST refers to the address from an external perspective
// _ADDR refers to the interface address from the service's perspective
@ -25,3 +27,5 @@ export const HTTP_API_PORT = parseInt(process.env.RHIZOME_HTTP_API_PORT || '3000
export const HTTP_API_ENABLE = process.env.RHIZOME_HTTP_API_ENABLE === 'true';
export const PUB_SUB_TOPIC = process.env.RHIZOME_PUB_SUB_TOPIC || `deltas-${randomUUID()}`;
export const DOCKER_ENABLE = process.env.RHIZOME_DOCKER_ENABLE === 'true';

View File

@ -1,6 +1,9 @@
import { DeltaV1, DeltaV2 } from './delta';
import { randomUUID } from 'crypto';
import { PropertyTypes } from './types';
import { PointersV2 } from './delta';
import Debug from 'debug';
const debug = Debug('rz:delta-builder');
/**
@ -12,7 +15,7 @@ export class DeltaBuilder {
private timeCreated?: number;
private host: string;
private creator: string;
private pointers: Record<string, any> = {};
private pointers: PointersV2 = {};
/**
* Create a new DeltaBuilder instance
@ -75,16 +78,23 @@ export class DeltaBuilder {
* @param targetContext Optional target context for the pointer
*/
addPointer(localContext: string, target: string | number | boolean | null, targetContext?: string): this {
if (targetContext && typeof target === 'string') {
this.pointers[localContext] = { [target]: targetContext };
} else {
this.pointers[localContext] = target;
const pointerTarget = (targetContext && typeof target === 'string')
? { [target]: targetContext } : target;
// Prevent duplicate primitive properties with the same key
if (this.pointers[localContext] &&
JSON.stringify(this.pointers[localContext]) !== JSON.stringify(pointerTarget)
) {
debug(`Pointer for '${localContext}' already exists with different value: ${JSON.stringify(this.pointers[localContext])} !== ${JSON.stringify(pointerTarget)}`);
throw new Error(`Pointer for ${localContext} already exists with different value`);
}
this.pointers[localContext] = pointerTarget;
return this;
}
/**
* Set a property on an entity
* ! Note that the way we are doing this is awkward/problematic for deltas that set multiple properties.
* ! entityLabel and property each need to be unique within a given delta
*/
setProperty(entityId: string, property: string, value: string | number | boolean | null, entityLabel = "entity"): this {
this.addPointer(entityLabel, entityId, property)
@ -94,10 +104,22 @@ export class DeltaBuilder {
/**
* Create a relationship between two entities
* @param sourceId The ID of the source entity
* @param targetId The ID of the target entity
* @param relationship The type of relationship
* @param properties Optional properties for the relationship
*/
relate(sourceId: string, relationship: string, targetId: string): this {
this.pointers[relationship] = { [targetId]: relationship };
this.pointers.source = { [sourceId]: relationship };
relate(sourceId: string, targetId: string, relationship: string, properties?: Record<string, PropertyTypes>): this {
const relId = randomUUID();
this.setProperty(relId, 'source', sourceId, '_rel_source');
this.setProperty(relId, 'target', targetId, '_rel_target');
this.setProperty(relId, 'type', relationship, '_rel_type');
if (properties) {
for (const [key, value] of Object.entries(properties)) {
this.setProperty(relId, key, value, `_rel_${key}`);
}
}
return this;
}

View File

@ -13,6 +13,13 @@ export type EntityProperties = {
[key: string]: PropertyTypes;
};
export type EntityRecord = {
id: string;
properties: EntityProperties;
};
export type EntityRecordMany = Record<string, EntityRecord>;
export class Entity {
properties: EntityProperties = {};
ahead = 0;

View File

@ -14,23 +14,6 @@ export interface NegationPointer {
// Helper functions for creating and identifying negation deltas
export class NegationHelper {
/**
* Create a negation delta that negates another delta
*/
static createNegation(
deltaToNegate: DeltaID,
creator: CreatorID,
host: HostID
): Delta {
const negationDelta = createDelta(creator, host)
.negate(deltaToNegate)
.buildV1();
debug(`Created negation delta ${negationDelta.id} negating ${deltaToNegate}`);
return negationDelta;
}
/**
* Check if a delta is a negation delta
*/
@ -361,14 +344,6 @@ export class NegationHelper {
};
}
/**
* Helper to check if a delta with the given ID is a negation delta
*/
private static isNegationDeltaById(deltaId: DeltaID, deltas: Delta[]): boolean {
const delta = deltas.find(d => d.id === deltaId);
return delta ? this.isNegationDelta(delta) : false;
}
/**
* Apply negations to a delta stream in chronological order
* Later negations can override earlier ones

View File

@ -135,7 +135,7 @@ export class HttpApi {
// View a single transaction
this.router.get('/transaction/:id', (req: express.Request, res: express.Response) => {
const {params: {id}} = req;
const v = this.rhizomeNode.lossless.view([id]);
const v = this.rhizomeNode.lossless.compose([id]);
const ent = v[id];
if (!ent.referencedAs.includes("_transaction")) {
res.status(400).json({error: "Entity is not a transaction", id});
@ -151,7 +151,7 @@ export class HttpApi {
// Get a lossless view of a single domain entity
this.router.get('/lossless/:id', (req: express.Request, res: express.Response) => {
const {params: {id}} = req;
const v = this.rhizomeNode.lossless.view([id]);
const v = this.rhizomeNode.lossless.compose([id]);
const ent = v[id];
res.json({

View File

@ -1,6 +1,6 @@
import express, {Router} from "express";
import {RhizomeNode} from "../node";
import {htmlDocFromMarkdown, MDFiles} from "../util/md-files";
import {htmlDocFromMarkdown, MDFiles} from "../utils/md-files";
export class HttpHtml {
router = Router();

View File

@ -28,7 +28,7 @@ export abstract class BaseOrchestrator implements NodeOrchestrator {
* Default implementation does nothing - should be overridden by subclasses
* that support direct node connections
*/
async connectNodes(node1: NodeHandle, node2: NodeHandle): Promise<void> {
async connectNodes(_node1: NodeHandle, _node2: NodeHandle): Promise<void> {
// Default implementation does nothing
console.warn('connectNodes not implemented for this orchestrator');
}
@ -38,7 +38,7 @@ export abstract class BaseOrchestrator implements NodeOrchestrator {
* Default implementation does nothing - should be overridden by subclasses
* that support network partitioning
*/
async partitionNetwork(partitions: { groups: string[][] }): Promise<void> {
async partitionNetwork(_partitions: { groups: string[][] }): Promise<void> {
// Default implementation does nothing
console.warn('partitionNetwork not implemented for this orchestrator');
}
@ -49,8 +49,8 @@ export abstract class BaseOrchestrator implements NodeOrchestrator {
* that support resource management
*/
async setResourceLimits(
handle: NodeHandle,
limits: Partial<NodeConfig['resources']>
_handle: NodeHandle,
_limits: Partial<NodeConfig['resources']>
): Promise<void> {
// Default implementation does nothing
console.warn('setResourceLimits not implemented for this orchestrator');

View File

@ -26,7 +26,8 @@ export class DockerOrchestrator extends BaseOrchestrator {
private nodeHandles: Map<string, DockerNodeHandle> = new Map();
// Managers
private readonly containerManager: ContainerManager;
// Visible for testing
readonly containerManager: ContainerManager;
private readonly networkManager: NetworkManager;
private readonly resourceManager: ResourceManager;
private readonly statusManager: StatusManager;
@ -225,7 +226,7 @@ export class DockerOrchestrator extends BaseOrchestrator {
/**
* Create network partitions
*/
async partitionNetwork(partitions: NetworkPartition): Promise<void> {
async partitionNetwork(_partitions: NetworkPartition): Promise<void> {
// Implementation for network partitioning
// This is a simplified version - in a real implementation, you would:
// 1. Create separate networks for each partition

View File

@ -1,4 +1,4 @@
import Docker, { DockerOptions } from 'dockerode';
import Docker from 'dockerode';
import * as path from 'path';
import { promises as fs } from 'fs';
import * as tar from 'tar-fs';
@ -63,9 +63,9 @@ export class ImageManager implements IImageManager {
debug('Created build context tar stream');
testImageBuildPromise = new Promise<void>((resolve, reject) => {
const log = (...args: any[]) => {
const log = (...args: unknown[]) => {
const message = args.map(arg =>
typeof arg === 'object' ? JSON.stringify(arg, null, 2) : String(arg)
typeof arg === 'object' ? JSON.stringify(arg) : String(arg)
).join(' ');
debug(message);
};
@ -111,7 +111,7 @@ export class ImageManager implements IImageManager {
// Log any other non-empty JSON objects
log(`[Docker Build] ${JSON.stringify(json)}`);
}
} catch (e) {
} catch (_e) {
// If not JSON, log as plain text if not empty
if (line.trim()) {
log(`[Docker Build] ${line}`);

View File

@ -1,4 +1,4 @@
import Docker, { Container } from 'dockerode';
import { Container } from 'dockerode';
import { IStatusManager } from './interfaces';
import { NodeHandle, NodeStatus } from '../../types';
import Debug from 'debug';

View File

@ -169,13 +169,11 @@ export class TestOrchestrator extends BaseOrchestrator {
// In a real implementation, we would connect the nodes here
// For testing, we'll just log the connection attempt
console.log(`Connecting nodes ${node1.id} and ${node2.id}`);
}
async partitionNetwork(partitions: NetworkPartition): Promise<void> {
// In a real implementation, we would create network partitions
// For testing, we'll just log the partition attempt
console.log('Creating network partitions:', partitions);
}
async setResourceLimits(
@ -183,7 +181,6 @@ export class TestOrchestrator extends BaseOrchestrator {
limits: Partial<NodeConfig['resources']>
): Promise<void> {
// In-memory nodes don't have real resource limits
console.log(`Setting resource limits for ${handle.id}:`, limits);
}
/**

View File

@ -37,7 +37,7 @@ export interface NodeConfig {
};
/** Additional configuration options */
[key: string]: any;
[key: string]: unknown;
}
export interface NodeStatus {

View File

@ -269,7 +269,7 @@ export class QueryEngine {
case 'primitive': {
// Use last-write-wins for primitives
const deltasSorted = deltas.sort((a, b) => b.timeCreated - a.timeCreated);
for (let delta of deltasSorted) {
for (const delta of deltasSorted) {
const primitiveValue = this.extractPrimitiveValue(delta, propertyId);
if (primitiveValue !== null) {
obj[propertyId] = primitiveValue;

View File

@ -478,7 +478,7 @@ export class DefaultSchemaRegistry implements SchemaRegistry {
for (const referenceId of referenceIds) {
try {
// Get the referenced entity's lossless view
const referencedViews = losslessView.view([referenceId]);
const referencedViews = losslessView.compose([referenceId]);
const referencedView = referencedViews[referenceId];
if (referencedView) {
@ -534,7 +534,7 @@ export class DefaultSchemaRegistry implements SchemaRegistry {
// Count entity references vs scalars
if (typeof target === 'string') {
const referencedViews = losslessView.view([target]);
const referencedViews = losslessView.compose([target]);
if (referencedViews[target]) {
entityReferenceCount++;
} else {
@ -567,7 +567,7 @@ export class DefaultSchemaRegistry implements SchemaRegistry {
if (typeof target === 'string') {
// Try to resolve as entity reference
try {
const referencedViews = losslessView.view([target]);
const referencedViews = losslessView.compose([target]);
const referencedView = referencedViews[target];
if (referencedView) {
@ -600,7 +600,7 @@ export class DefaultSchemaRegistry implements SchemaRegistry {
if (typeof target === 'string') {
// Try to resolve as entity reference
try {
const referencedViews = losslessView.view([target]);
const referencedViews = losslessView.compose([target]);
const referencedView = referencedViews[target];
if (referencedView) {

View File

@ -198,9 +198,6 @@ export class SchemaBuilder {
}
}
// Common schema patterns have been moved to __tests__/test-utils/schemas.ts
// since they are only used for testing purposes.
/**
* Context for tracking resolution state during nested object resolution
* Prevents circular references and manages depth tracking

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