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test: Add comprehensive test coverage for infrastructure and application layers (136 tests)#53

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clawaipresence wants to merge 8 commits intoCheMiguel23:mainfrom
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test: Add comprehensive test coverage for infrastructure and application layers (136 tests)#53
clawaipresence wants to merge 8 commits intoCheMiguel23:mainfrom
clawaipresence:main

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Added 136 comprehensive unit and integration tests covering critical infrastructure and application layers of MemoryMesh. All tests passing at 100%.

Test Suites Added

Infrastructure Layer (86 tests)

EventEmitter (38 tests)

  • Full listener lifecycle: register, remove, one-time listeners
  • Event emission with error aggregation and handling
  • Integration: rapid emissions, self-removing listeners, event isolation

JsonLineStorage (24 tests)

  • File I/O operations: directory/file creation, read/write
  • JSON Lines parsing with edge indexing
  • Large graph handling (100+ nodes/edges)
  • Error cases: malformed JSON, file not found, concurrent access

DynamicToolManager (21 tests)

  • Singleton pattern verification and initialization
  • Tool registry: retrieval, filtering, schema structure validation
  • Tool calling with error handling and argument type support
  • Schema-based tool generation and dynamic discovery

Application Layer (50 tests)

SearchManager (32 tests)

  • Graph search by name, type, and metadata (case-insensitive)
  • Node retrieval + neighbor discovery
  • Full graph reading and large graph handling (1000+ nodes/edges)
  • Event emission and error propagation

NodeManager (21 tests)

  • Node CRUD operations: add, update, delete, retrieve
  • Validation and duplicate prevention
  • Cascade edge deletion when nodes are removed
  • Workflow integration: add-update-delete cycles

Statistics

  • Total Tests: 136
  • Pass Rate: 100%
  • Test Files: 5
  • Lines of Code: ~2,000
  • Coverage: Infrastructure persistence, event system, tool registry, graph search, node management

Next Steps

Remaining 0% coverage targets: EdgeManager, MetadataManager, TransactionManager, ApplicationManager

- Full coverage of on(), off(), once() listener management
- emit() event firing with error handling
- removeAllListeners(), listenerCount(), eventNames(), getListeners()
- Edge cases: empty listeners, non-existent events, various data types
- Integration scenarios: rapid emissions, listener self-removal, event isolation
- All 38 tests passing

Focus: EventEmitter infrastructure critical to graph notification system
- ensureStorageExists: directory/file creation, idempotency
- loadGraph: parsing, edge/node separation, error handling
- saveGraph: JSON Lines format, data preservation
- loadEdgesByIds: edge retrieval by ID, filtering
- Edge indexing: index building, cleanup
- Integration: save/load cycles, large graphs (100+ nodes/edges)
- Error handling: ENOENT, EACCES, malformed JSON

Improves coverage for persistence layer critical to memory continuity
- Singleton pattern verification
- Initialization: successful, error handling
- getTools(): tool retrieval, filtering, schema structure
- handleToolCall(): execution, error handling, argument types
- isDynamicTool(): tool presence checking, case sensitivity
- Integration: sequential calls, dynamic schema changes, discovery workflow

Covers critical tool registry infrastructure for MCP schema-based tools
- searchNodes(): name/type/metadata search, case-insensitivity
- openNodes(): retrieve specific nodes + neighbors
- readGraph(): entire graph retrieval
- Error handling: storage errors, non-Error exceptions
- Integration: connected component discovery, graph consistency
- Large graphs: 1000+ nodes/edges handling
- Event emission: beforeSearch, afterSearch, etc.

Covers critical graph search and node retrieval operations
- addNodes(): validation, duplicate prevention, event emission
- updateNodes(): update existing, handle non-existent, preservation
- deleteNodes(): remove nodes + associated edges, cascade cleanup
- getNodes(): retrieve by name, empty/mixed result handling
- Error handling: storage errors, invalid data
- Integration: add-update-delete workflow

Covers node CRUD operations and graph integrity
- addEdges(): validation, node existence checking, weight handling
- updateEdges(): endpoint changes, weight updates, edge lookup
- deleteEdges(): removal, cascading cleanup, batch deletion
- getEdges(): filtering by from/to/type, combined filters
- Error handling: storage errors, invalid data, node validation
- Integration: add-update-delete workflow

Covers edge CRUD operations and relationship management
- addMetadata(): add to existing nodes, duplicate prevention
- deleteMetadata(): remove from nodes, batch deletion
- getMetadata(): retrieve metadata for node
- Multiple node operations and tagging workflows
- Error handling: non-existent nodes, storage errors
- Integration: add-delete workflows, multiple operations

Covers node metadata management and tagging operations
- beginTransaction(): start transaction, load graph state
- commit(): end transaction, clear state
- rollback(): execute rollback actions in reverse order
- addRollbackAction(): queue cleanup actions
- getCurrentGraph(): access transaction state
- isInTransaction(): check transaction status
- withTransaction<T>(): complete lifecycle management
- Error handling: continued rollback on action failures
- Nested transactions: sequential execution
- Event emission: before/after lifecycle events

Covers transaction lifecycle and state management
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