tests — _archived

tests — _archived

This documentation covers the test suite located in the tests/_archived directory. This module contains a comprehensive set of unit and integration tests for core components of the multi-agent system, internationalization (i18n) functionality, and orchestration utilities.

While marked as _archived, these tests provide critical coverage for foundational classes and modules, ensuring their stability and correct behavior. Developers contributing to these areas should be familiar with these tests to understand the expected functionality and maintain code quality.

Purpose

The primary purpose of the tests/_archived module is to validate the functionality, robustness, and integration of key components within the Code Buddy application, specifically:

1. Multi-Agent System (MAS) Core: Ensuring the foundational BaseAgent and the overarching MultiAgentSystem operate as expected, including agent lifecycle, communication, and workflow execution.
2. Agent Coordination and Intelligence: Verifying the EnhancedCoordinator's ability to manage tasks, allocate agents adaptively, detect and resolve conflicts, and track performance.
3. Specialized Agent Behaviors: Confirming that individual agents (OrchestratorAgent, CoderAgent, ReviewerAgent, TesterAgent) correctly implement their domain-specific logic and interact with tools.
4. Orchestration Utilities: Testing components like SharedContext, SelfHealing, and CheckpointRollback that support complex multi-agent workflows.
5. Internationalization (i18n): Validating the I18n module's ability to handle multiple locales, translate messages, interpolate variables, and manage pluralization.

Testing Methodology

The tests in this module primarily use Jest for unit and integration testing. Common patterns include:

• Mocking Dependencies: External services (like CodeBuddyClient) and internal modules are frequently mocked to isolate the component under test and control test scenarios.
• Event Assertions: Many components, especially agents and coordinators, extend EventEmitter. Tests assert that correct events are emitted at various stages of their lifecycle (e.g., agent:start, workflow:complete, metrics:updated).
• State Assertions: Tests directly inspect the internal state of objects (e.g., coordinator.getAgentMetrics(), agent.getConfig(), i18n.getLocale()) to ensure methods modify state as expected.
• Behavioral Assertions: For agents, tests verify that specific methods (e.g., coderAgent.generateCode(), reviewerAgent.reviewCode()) are called and produce expected outcomes.
• Singleton Management: Tests for I18n and MultiAgentSystem explicitly cover the singleton pattern, ensuring getI18n()/getMultiAgentSystem() return the same instance and resetI18n()/resetMultiAgentSystem() correctly clear the instance.

Key Components and Their Tests

1. Multi-Agent System Core

BaseAgent (tests/_archived/unit/base-agent.test.ts)

The BaseAgent class serves as the abstract foundation for all specialized agents. Its tests ensure that common agent functionalities work correctly.

Key Functionalities Tested:

• Constructor & Configuration: Proper initialization with AgentConfig, handling of default values (maxRounds), and EventEmitter inheritance.
• Configuration Access: getConfig() and getRole() methods.
• Capabilities: hasCapability() accurately reflects the agent's defined capabilities.
• Tool Filtering: filterTools() correctly restricts tools based on allowedTools configuration.
• Execution Lifecycle: Emitting agent:start and agent:complete events during execute(), tracking rounds and duration.
• Artifact Parsing: Extracting artifacts from agent output using tags.
• Message Passing: sendMessage() creates and emits agent:message events, receiveMessage() adds messages to internal history.
• Control: stop() and reset() methods correctly halt execution and clear agent state (artifacts, messages, tools used, rounds, current task).
• ID Generation: The createId() utility function generates unique, prefixed IDs.

MultiAgentSystem (tests/_archived/unit/multi-agent-system.test.ts)

The MultiAgentSystem orchestrates the entire multi-agent workflow. Its tests validate the top-level system behavior.

Key Functionalities Tested:

• System Initialization: Creation of the MultiAgentSystem instance, EventEmitter inheritance, and instantiation of all default agents (orchestrator, coder, reviewer, tester).
• Agent Management: getAgent() retrieves specific agent instances.
• Tool Management: setToolExecutor() and initializeTools() for managing available tools.
• Shared Context: getSharedContext() provides access to the central SharedContext, and methods like addDecision(), setCodebaseInfo(), addRelevantFiles(), addConstraints() correctly update it.
• Workflow Execution: runWorkflow() initiates the process, emits workflow:start and workflow:complete events, updates the shared context goal, and returns a comprehensive WorkflowResult (including plan, timeline, duration).
• Workflow Strategies: Support for various orchestration strategies (sequential, parallel, hierarchical, peer_review, iterative).
• Result Formatting: formatResult() generates a human-readable report.
• Event Forwarding: Ensures that events emitted by individual agents are correctly forwarded by the MultiAgentSystem.
• System Control: stop() and reset() correctly propagate to all managed agents and clear system-level state.
• Singleton Pattern: createMultiAgentSystem(), getMultiAgentSystem(), and resetMultiAgentSystem() ensure proper singleton behavior.

2. Agent Coordination and Intelligence

EnhancedCoordinator (tests/_archived/enhanced-coordination.test.ts and tests/_archived/unit/enhanced-coordination.test.ts)

The EnhancedCoordinator is a critical component for dynamic multi-agent collaboration, handling adaptive task allocation, conflict resolution, and performance tracking.

Key Functionalities Tested:

• Constructor & Configuration: Initialization with default or custom configurations (e.g., enableAdaptiveAllocation, maxParallelPerAgent).
• Metrics Initialization: Ensures metrics are set up for all AgentRoles with neutral starting values.
• Adaptive Task Allocation (allocateTask):
• Allocates tasks based on agent performance history (success rates).
• Respects maxParallelPerAgent constraints, re-allocating if an agent is busy.
• Falls back to default assignment when adaptive allocation is disabled.
• Performance Tracking (recordTaskCompletion, getAgentMetrics):
• Updates totalTasks, successfulTasks, failedTasks, and successRate based on task outcomes.
• Tracks agent specialties by task type.
• Emits metrics:updated events.
• Conflict Detection (detectConflicts):
• Identifies potential conflicts, such as code_overlap based on targetFiles metadata.
• Emits conflict:detected events.
• Can be disabled via configuration.
• Conflict Resolution (resolveConflict, autoResolveConflicts):
• Allows manual resolution of conflicts with a specified strategy and decision.
• autoResolveConflicts() automatically resolves all pending conflicts (e.g., using a priority strategy).
• Resource Pooling (shareResource, getResource):
• Allows agents to share resources (e.g., codeSnippets, insights) into a central pool.
• Emits resource:shared events.
• Dependency Management (buildDependencies, getReadyTasks):
• Constructs a task dependency graph.
• Identifies tasks that are blocked by dependencies.
• getReadyTasks() returns tasks that have no unfulfilled dependencies.
• Checkpointing (createCheckpoint, restoreFromCheckpoint):
• Captures the current state of the coordinator (e.g., completed tasks, resource pool) for rollback.
• Emits checkpoint:created events.
• Restores the coordinator's state from a saved checkpoint.
• Performance Reporting: getPerformanceReport() generates a summary of agent performance.
• Reset: reset() clears all coordinator state (metrics, conflicts, resources).
• Singleton Pattern: getEnhancedCoordinator() and resetEnhancedCoordinator() manage the singleton instance.

3. Specialized Agents

OrchestratorAgent (tests/_archived/unit/orchestrator-agent.test.ts)

The OrchestratorAgent is responsible for planning and synthesizing results.

Key Functionalities Tested:

• Role and Capabilities: Correctly identifies as orchestrator with planning and coordination capabilities.
• Prompt: Returns a specialized system prompt for orchestration.
• Plan Creation (createPlan): Generates an ExecutionPlan based on a goal, including phases, tasks, and required agents.
• Result Synthesis (synthesizeResults): Consolidates results from sub-agents into a final outcome.
• Task Management: getNextTasks() identifies tasks ready for execution, updateTaskStatus() modifies task states, and isPlanComplete() checks overall plan progress.
• Execution: The execute() method (inherited from BaseAgent) is tested for its role in orchestrator-specific tasks.

CoderAgent (tests/_archived/unit/coder-agent.test.ts)

The CoderAgent focuses on code generation, modification, and testing.

Key Functionalities Tested:

• Role and Capabilities: Correctly identifies as coder with code_generation, code_editing, and file_operations capabilities.
• Prompt: Returns a specialized system prompt emphasizing coding principles (SOLID, DRY, KISS) and artifact format.
• Specialized Tasks:
• generateCode(): Executes a general code generation task.
• implementFeature(): Creates and executes a task for feature implementation.
• fixBug(): Creates and executes a task for bug fixing.
• refactorCode(): Creates and executes a task for code refactoring.
• writeTests(): Creates and executes a task for writing tests.
• Code Style Learning (learnCodeStyle, getCodeStyle): Stores and retrieves learned code styles from specified files.
• Tool Filtering: Ensures only allowed tools (e.g., view_file, create_file, str_replace_editor, bash, multi_edit) are available.
• Error Handling: Gracefully handles execution errors during tool calls.

ReviewerAgent (tests/_archived/unit/reviewer-agent.test.ts)

The ReviewerAgent is responsible for code quality, security, and adherence to standards.

Key Functionalities Tested:

• Role and Capabilities: Correctly identifies as reviewer with code_review, security_analysis, and quality_assurance capabilities.
• Prompt: Returns a specialized system prompt for code review, emphasizing best practices.
• Specialized Tasks:
• reviewCode(): Performs a general code review, returning approval status and feedback.
• reviewDiff(): Reviews a specific code difference.
• securityReview(): Conducts a security-focused review.
• Output Parsing: parseReviewResult() extracts structured review feedback, and extractCodeLocations() identifies code snippets.
• Result Formatting: formatReview() generates a human-readable review report.
• Tool Filtering: Ensures only allowed tools (e.g., view_file, search, read_file, analyze_code) are available.

TesterAgent (tests/_archived/unit/tester-agent.test.ts)

The TesterAgent focuses on testing, bug verification, and coverage analysis.

Key Functionalities Tested:

• Role and Capabilities: Correctly identifies as tester with testing, debugging, and quality_assurance capabilities.
• Prompt: Returns a specialized system prompt for testing, emphasizing test coverage and bug reproduction.
• Specialized Tasks:
• runTests(): Executes tests for a given target, returning success status.
• runSpecificTests(): Executes a subset of tests.
• verifyBugFix(): Verifies if a bug has been successfully fixed.
• analyzeCoverage(): Analyzes code coverage.
• Test Framework Detection: detectTestFramework() identifies the testing framework in use.
• Test Command Management: getTestCommand() and setTestCommand() manage the commands used for running tests.
• Output Parsing: parseTestResult() extracts structured test results, and formatTestResult() generates a human-readable report.
• Tool Filtering: Ensures only allowed tools (e.g., bash, view_file, read_file, search) are available.

4. Orchestration Utilities

SupervisorAgent, SharedContext, SelfHealing, CheckpointRollback (tests/_archived/orchestrator/supervisor-agent.test.ts)

This file tests a set of utilities that support more advanced orchestration patterns, potentially representing an older or alternative orchestration layer compared to MultiAgentSystem.

Key Functionalities Tested:

• SupervisorAgent:
• Executes OrchestrationPlans with different merge strategies (sequential, parallel, race).
• Handles executor failures gracefully.
• SharedContext:
• set() and get() values, tracking versions.
• Detects version conflicts during updates.
• Supports locking mechanisms (lock(), unlock()) to prevent concurrent modifications.
• snapshot() captures the current state of the context.
• SelfHealing:
• matchPattern() identifies common error types (e.g., FileNotFound, PermissionDenied).
• attemptHeal() applies healing strategies (e.g., retry) for known error patterns, or escalates for unresolvable issues (e.g., out-of-memory).
• CheckpointRollback:
• isRiskyOperation() identifies potentially destructive tool calls (e.g., rm -rf, git reset --hard).
• autoCheckpoint() creates snapshots of file states before risky operations.
• listCheckpoints() retrieves available checkpoints.
• rollbackTo() restores files to a previous checkpoint.
• clear() removes all checkpoints.

5. Internationalization (i18n)

I18n module (tests/_archived/i18n.test.ts and tests/_archived/unit/i18n-manager.test.ts)

These files test the internationalization capabilities, ensuring the application can support multiple languages. Note that i18n-manager.test.ts directly re-implements the I18n class as TestI18n within the test file itself to avoid potential issues with import.meta.url in Jest when loading translation files, providing a robust unit test for the core logic.

Key Functionalities Tested:

• Locale Management:
• Defaults to English (en).
• getAvailableLocales() returns all supported locales (en, fr, de, es, ja, zh, pt, ru).
• setLocale() switches the active language and loads translations dynamically.
• getLocale() returns the current active locale.
• Detects system locale from environment variables (LANG, LC_ALL, LC_MESSAGES, LANGUAGE).
• Translation (t):
• Translates simple and deeply nested keys using dot notation.
• Falls back to the key path if a translation is not found.
• Interpolates placeholders ({{variable}}) with provided parameters.
• Handles various data types for interpolation (strings, numbers).
• Supports multiple languages (English, French, German, Spanish, Japanese, Chinese) across different categories (common, cli, tools, errors, help).
• Pluralization (tp):
• Selects the correct plural form (zero, one, other) based on a given count.
• Automatically interpolates the count variable.
• Key Existence (has): Checks if a translation key exists in the current or fallback locale.
• Dynamic Translations (addTranslations): Allows adding or merging new translations at runtime.
• Error Handling: Gracefully handles missing locale files, corrupted JSON, and read errors.
• Singleton Pattern: getI18n() ensures a single instance, and resetI18n() allows for re-initialization.

Architecture Diagram: Multi-Agent System Overview

The following Mermaid diagram illustrates the high-level interaction between the core components of the multi-agent system, which are extensively tested in this _archived module.

graph TD
    MAS[MultiAgentSystem] -->|Manages| OA(OrchestratorAgent)
    MAS -->|Manages| CA(CoderAgent)
    MAS -->|Manages| RA(ReviewerAgent)
    MAS -->|Manages| TA(TesterAgent)

    MAS -- "Uses for coordination" --> EC[EnhancedCoordinator]
    MAS -- "Shares data via" --> SC[SharedContext]

    OA -- "Creates Plans" --> MAS
    OA -- "Synthesizes Results" --> MAS

    CA -- "Executes Tasks" --> SC
    RA -- "Executes Tasks" --> SC
    TA -- "Executes Tasks" --> SC

    EC -- "Allocates Tasks" --> MAS
    EC -- "Detects Conflicts" --> MAS
    EC -- "Tracks Metrics" --> MAS

    subgraph Agent Base
        BA[BaseAgent]
        OA --|> BA
        CA --|> BA
        RA --|> BA
        TA --|> BA
    end

Explanation:

• The MultiAgentSystem (MAS) is the central orchestrator, managing the lifecycle and interactions of various specialized agents.
• Each specialized agent (OrchestratorAgent, CoderAgent, ReviewerAgent, TesterAgent) extends the BaseAgent, inheriting common functionalities.
• The MAS utilizes the EnhancedCoordinator for advanced coordination tasks like adaptive task allocation, conflict detection, and performance tracking.
• All agents and the MAS interact with a SharedContext to exchange information, decisions, and artifacts throughout the workflow.
• The OrchestratorAgent is specifically responsible for creating execution plans and synthesizing the final results of the workflow.

This diagram highlights the relationships between the major components whose individual and integrated behaviors are validated by the tests in this _archived module.