chore: recovery checkpoint - v3.0 API successfully recovered
CRITICAL CHECKPOINT - DO NOT PUSH TO GITHUB Recovery Status: - Successfully recovered brainy.ts from compiled JavaScript - All core v3.0 API methods functional (add, get, update, delete, relate, find, etc.) - Neural subsystem intact (562KB embedded patterns, NLP working) - Augmentation pipeline operational (20+ augmentations) - HNSW clustering system complete - Triple Intelligence compiled (needs constructor fix) - Test suite validates functionality Changes preserved: - 898 files with changes from last 3 days - 144,475 insertions - All augmentation improvements - All test coverage enhancements - Complete v3.0 feature set This is a LOCAL checkpoint only - contains recovered work after corruption incident. Created backup in .backups/brainy-full-20250910-151314.tar.gz Branch: recovery-checkpoint-20250910-151433 Date: Wed Sep 10 03:18:04 PM PDT 2025
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tests/COMPLETE_TEST_COVERAGE_PLAN.md
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# 🎯 Brainy v3.0 - 100% Test Coverage Plan
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## Executive Summary
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This plan outlines a systematic approach to achieve 100% test coverage for the Brainy v3.0 codebase. Current coverage is 15.94%. Target: 100% by end of implementation.
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## Current State Analysis
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### Coverage Baseline (Starting Point)
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```
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Statements: 15.94%
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Branches: 62.67%
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Functions: 24.63%
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Lines: 15.94%
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```
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### Total Files Requiring Tests
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- **Source Files**: 127 files
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- **Currently Tested**: ~20 files (partial)
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- **Completely Untested**: ~100 files
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- **Lines of Code**: ~25,000 lines
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- **Untested Lines**: ~21,000 lines
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## Phase 1: Foundation & Infrastructure (Week 1)
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### 1.1 Test Infrastructure Setup
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Create comprehensive test utilities and helpers:
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```typescript
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// tests/helpers/test-factory.ts
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- Entity factories for all NounTypes
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- Relationship factories for all VerbTypes
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- Mock data generators
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- Test database seeders
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// tests/helpers/test-assertions.ts
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- Custom matchers for entities
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- Custom matchers for relationships
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- Custom matchers for search results
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- Performance assertion helpers
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// tests/helpers/test-mocks.ts
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- Storage adapter mocks
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- Augmentation mocks
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- Network mocks
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- File system mocks
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- Browser API mocks
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// tests/helpers/coverage-tracker.ts
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- Real-time coverage monitoring
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- Uncovered line reporting
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- Branch coverage analysis
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- Path coverage tracking
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```
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### 1.2 Core Module Tests (100% coverage required)
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#### `src/brainy.ts` (Main API)
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**Current**: ~40% coverage
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**Target**: 100% coverage
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**Test Files Required**:
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```
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tests/unit/brainy/
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├── constructor.test.ts # All constructor paths
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├── crud-operations.test.ts # add, get, update, delete
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├── batch-operations.test.ts # addMany, updateMany, deleteMany
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├── relationship-ops.test.ts # relate, unrelate, getRelations
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├── search-operations.test.ts # find, similar
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├── neural-api.test.ts # neural() method
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├── statistics.test.ts # getStatistics, health
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├── lifecycle.test.ts # init, close, clear
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├── error-handling.test.ts # All error paths
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└── edge-cases.test.ts # Boundary conditions
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```
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**Specific Paths to Test**:
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- [ ] Constructor with all config combinations
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- [ ] Init with storage failures
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- [ ] Add with invalid data types
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- [ ] Update non-existent entities
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- [ ] Delete with cascade relationships
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- [ ] Find with all search modes
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- [ ] Neural API initialization failures
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- [ ] Memory leak scenarios
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- [ ] Concurrent operation handling
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- [ ] Service multi-tenancy
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## Phase 2: Storage Adapters (Week 2)
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### 2.1 Memory Storage
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**File**: `src/storage/adapters/MemoryStorage.ts`
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**Current**: ~60% coverage
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**Test File**: `tests/unit/storage/memory-storage.test.ts`
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**Required Tests**:
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- [ ] Constructor with all options
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- [ ] Store with collision handling
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- [ ] Retrieve non-existent items
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- [ ] Update with partial data
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- [ ] Delete with missing items
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- [ ] List with pagination
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- [ ] Search with all operators
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- [ ] Clear with filters
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- [ ] Transaction rollback
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- [ ] Concurrent access
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- [ ] Memory limit handling
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- [ ] Backup/restore operations
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|
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### 2.2 FileSystem Storage
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**File**: `src/storage/adapters/FileSystemStorage.ts`
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**Current**: 0% coverage
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**Test File**: `tests/unit/storage/filesystem-storage.test.ts`
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|
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**Required Tests**:
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- [ ] Directory creation failures
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- [ ] File permission errors
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- [ ] Disk full scenarios
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- [ ] Corrupted file recovery
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- [ ] Concurrent file access
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- [ ] File locking mechanisms
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- [ ] Large file handling
|
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- [ ] Directory traversal security
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- [ ] Symlink handling
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- [ ] Network drive operations
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- [ ] File watching/monitoring
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- [ ] Atomic write operations
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|
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### 2.3 S3 Storage
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**File**: `src/storage/adapters/S3Storage.ts`
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**Current**: ~10% coverage
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**Test File**: `tests/unit/storage/s3-storage.test.ts`
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|
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**Required Tests**:
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- [ ] Credential rotation
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- [ ] Multi-part upload
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- [ ] Upload retry logic
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- [ ] Network failures
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- [ ] Bucket permissions
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- [ ] Cross-region transfers
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- [ ] Versioning support
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- [ ] Encryption handling
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- [ ] Metadata preservation
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- [ ] Cost optimization paths
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- [ ] S3-compatible services
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- [ ] Lifecycle policies
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### 2.4 OPFS Storage
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**File**: `src/storage/adapters/OPFSStorage.ts`
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**Current**: ~5% coverage
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**Test File**: `tests/unit/storage/opfs-storage.test.ts`
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|
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**Required Tests**:
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- [ ] Browser compatibility
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- [ ] Quota exceeded handling
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- [ ] Worker context operations
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- [ ] Persistence verification
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- [ ] Concurrent access from tabs
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- [ ] Storage cleanup
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- [ ] Migration from IndexedDB
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- [ ] Performance optimization
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- [ ] File handle management
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- [ ] Error recovery
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|
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### 2.5 PostgreSQL Storage
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**File**: `src/storage/adapters/PostgresStorage.ts`
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**Current**: 0% coverage
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**Test File**: `tests/unit/storage/postgres-storage.test.ts`
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|
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**Required Tests**:
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- [ ] Connection pooling
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- [ ] Transaction handling
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- [ ] Deadlock detection
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- [ ] Index optimization
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- [ ] Query plan analysis
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- [ ] Backup operations
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- [ ] Replication lag
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- [ ] Schema migrations
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- [ ] Prepared statements
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- [ ] JSON operations
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- [ ] Full-text search
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- [ ] Partitioning
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## Phase 3: Augmentation System (Week 3)
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### 3.1 Core Augmentations
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#### Index Augmentation
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**File**: `src/augmentations/IndexAugmentation.ts`
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**Test File**: `tests/unit/augmentations/index.test.ts`
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|
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**Required Tests**:
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- [ ] Index creation/updates
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- [ ] Index corruption recovery
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- [ ] Concurrent index updates
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- [ ] Index size limits
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- [ ] Query optimization
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- [ ] Index rebuilding
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- [ ] Partial indexes
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- [ ] Composite indexes
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- [ ] Index statistics
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#### Cache Augmentation
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**File**: `src/augmentations/CacheAugmentation.ts`
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**Test File**: `tests/unit/augmentations/cache.test.ts`
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**Required Tests**:
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- [ ] Cache invalidation
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- [ ] TTL expiration
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- [ ] Memory pressure eviction
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- [ ] Cache warming
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- [ ] Hit/miss ratios
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- [ ] Distributed cache sync
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- [ ] Cache serialization
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- [ ] Partial cache updates
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|
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#### WAL Augmentation
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**File**: `src/augmentations/WALAugmentation.ts`
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**Test File**: `tests/unit/augmentations/wal.test.ts`
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|
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**Required Tests**:
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- [ ] WAL rotation
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- [ ] Checkpoint operations
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- [ ] Crash recovery
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- [ ] Replay operations
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- [ ] Corruption handling
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- [ ] Compression
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- [ ] Archive management
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- [ ] Parallel WAL writes
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### 3.2 Advanced Augmentations (30+ augmentations)
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For each augmentation, test:
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- [ ] Initialization success/failure
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- [ ] Process method all paths
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- [ ] Error handling
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- [ ] Resource cleanup
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- [ ] Configuration validation
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- [ ] Performance boundaries
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- [ ] Integration with pipeline
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- [ ] Metadata updates
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- [ ] Event emissions
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**Complete List**:
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```
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tests/unit/augmentations/
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├── api-server.test.ts
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├── audit-log.test.ts
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├── batch-processing.test.ts
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├── connection-pool.test.ts
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├── deduplication.test.ts
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├── entity-registry.test.ts
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├── federation.test.ts
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├── field-encryption.test.ts
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├── graph-traversal.test.ts
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├── intelligent-verb-scoring.test.ts
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├── link-prediction.test.ts
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├── metrics.test.ts
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├── monitoring.test.ts
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├── normalization.test.ts
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├── rate-limit.test.ts
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├── replication.test.ts
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├── security.test.ts
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├── snapshot.test.ts
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├── telemetry.test.ts
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├── type-system.test.ts
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├── validation.test.ts
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├── versioning.test.ts
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└── webhook.test.ts
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```
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## Phase 4: Neural & AI Systems (Week 4)
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### 4.1 Neural API
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**File**: `src/neural/improvedNeuralAPI.ts`
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**Current**: ~10% coverage
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||||
**Test File**: `tests/unit/neural/neural-api.test.ts`
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|
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**Required Tests**:
|
||||
- [ ] All clustering algorithms
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||||
- [ ] Outlier detection methods
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||||
- [ ] Hierarchy building
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||||
- [ ] Visualization formats
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||||
- [ ] Neighbor searches
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||||
- [ ] Domain clustering
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||||
- [ ] Temporal clustering
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||||
- [ ] Stream clustering
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||||
- [ ] Performance metrics
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||||
- [ ] Cache management
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- [ ] Model updates
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- [ ] Embedding failures
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- [ ] Dimension mismatches
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### 4.2 Embedding System
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**Files**:
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- `src/embeddings/EmbeddingManager.ts`
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- `src/embeddings/CachedEmbeddings.ts`
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||||
|
||||
**Required Tests**:
|
||||
- [ ] Model loading/unloading
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||||
- [ ] Fallback chains
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||||
- [ ] Batch processing
|
||||
- [ ] Cache strategies
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||||
- [ ] Dimension validation
|
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- [ ] Quantization levels
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- [ ] Performance modes
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- [ ] Memory management
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- [ ] Custom embeddings
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- [ ] Model updates
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|
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### 4.3 Triple Intelligence
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**File**: `src/triple/TripleIntelligence.ts`
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**Test File**: `tests/unit/triple/triple-intelligence.test.ts`
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|
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**Required Tests**:
|
||||
- [ ] Natural language parsing
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- [ ] Query planning
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- [ ] Multi-hop reasoning
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- [ ] Fusion strategies
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- [ ] Weight calculations
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- [ ] Result ranking
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- [ ] Query caching
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- [ ] Explanation generation
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- [ ] Performance optimization
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- [ ] Fallback strategies
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## Phase 5: Graph & Algorithms (Week 5)
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|
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### 5.1 Graph Operations
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**File**: `src/graph/pathfinding.ts`
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**Test File**: `tests/unit/graph/pathfinding.test.ts`
|
||||
|
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**Required Tests**:
|
||||
- [ ] Shortest path algorithms
|
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- [ ] All paths enumeration
|
||||
- [ ] Cycle detection
|
||||
- [ ] Connected components
|
||||
- [ ] Centrality measures
|
||||
- [ ] Community detection
|
||||
- [ ] Graph metrics
|
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- [ ] Large graph handling
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- [ ] Directed vs undirected
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- [ ] Weighted edges
|
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|
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### 5.2 HNSW Index
|
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**Files**: `src/hnsw/*.ts`
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**Test Files**: `tests/unit/hnsw/*.test.ts`
|
||||
|
||||
**Required Tests**:
|
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- [ ] Index construction
|
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- [ ] Layer management
|
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- [ ] Neighbor selection
|
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- [ ] Search optimization
|
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- [ ] Index persistence
|
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- [ ] Concurrent updates
|
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- [ ] Deletion handling
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- [ ] Rebalancing
|
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- [ ] Memory efficiency
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- [ ] Query performance
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|
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## Phase 6: MCP Integration (Week 6)
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### 6.1 MCP Components
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**Files**: `src/mcp/*.ts`
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**Test Files**: `tests/unit/mcp/*.test.ts`
|
||||
|
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**Required Tests**:
|
||||
- [ ] MCP adapter initialization
|
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- [ ] Tool registration
|
||||
- [ ] Resource management
|
||||
- [ ] Broadcast mechanisms
|
||||
- [ ] Client connections
|
||||
- [ ] Server operations
|
||||
- [ ] Protocol compliance
|
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- [ ] Error handling
|
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- [ ] Retry logic
|
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- [ ] Connection pooling
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|
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## Phase 7: Distributed Systems (Week 7)
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|
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### 7.1 Distributed Features
|
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**Files**: `src/distributed/*.ts`
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**Test Files**: `tests/unit/distributed/*.test.ts`
|
||||
|
||||
**Required Tests**:
|
||||
- [ ] Node discovery
|
||||
- [ ] Consensus protocols
|
||||
- [ ] Partition handling
|
||||
- [ ] Network splits
|
||||
- [ ] Data consistency
|
||||
- [ ] Conflict resolution
|
||||
- [ ] Load balancing
|
||||
- [ ] Failover scenarios
|
||||
- [ ] Leader election
|
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- [ ] Replication strategies
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- [ ] Clock synchronization
|
||||
- [ ] Message ordering
|
||||
|
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## Phase 8: CLI & Tools (Week 8)
|
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|
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### 8.1 CLI Commands
|
||||
**Files**: `bin/*.js`, `src/cli/*.ts`
|
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**Test Files**: `tests/unit/cli/*.test.ts`
|
||||
|
||||
**Required Tests**:
|
||||
- [ ] All command paths
|
||||
- [ ] Argument parsing
|
||||
- [ ] Input validation
|
||||
- [ ] Output formatting
|
||||
- [ ] Error messages
|
||||
- [ ] Interactive mode
|
||||
- [ ] Piping support
|
||||
- [ ] Progress indicators
|
||||
- [ ] Color output
|
||||
- [ ] Help generation
|
||||
|
||||
### 8.2 Utilities
|
||||
**Files**: `src/utils/*.ts`
|
||||
**Test Files**: `tests/unit/utils/*.test.ts`
|
||||
|
||||
**Required Tests for each utility**:
|
||||
- [ ] All function paths
|
||||
- [ ] Edge cases
|
||||
- [ ] Error conditions
|
||||
- [ ] Performance limits
|
||||
- [ ] Type validation
|
||||
- [ ] Async operations
|
||||
- [ ] Resource cleanup
|
||||
|
||||
## Phase 9: Error Paths & Edge Cases (Week 9)
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||||
|
||||
### 9.1 Error Handling
|
||||
**All Files**: Focus on catch blocks and error paths
|
||||
|
||||
**Required Tests**:
|
||||
- [ ] Every try-catch block
|
||||
- [ ] Every error throw
|
||||
- [ ] Every promise rejection
|
||||
- [ ] Every validation failure
|
||||
- [ ] Every timeout
|
||||
- [ ] Every resource exhaustion
|
||||
- [ ] Every network failure
|
||||
- [ ] Every parsing error
|
||||
- [ ] Every type mismatch
|
||||
- [ ] Every null/undefined check
|
||||
|
||||
### 9.2 Edge Cases
|
||||
**All Files**: Focus on boundary conditions
|
||||
|
||||
**Required Tests**:
|
||||
- [ ] Empty inputs
|
||||
- [ ] Maximum size inputs
|
||||
- [ ] Special characters
|
||||
- [ ] Unicode handling
|
||||
- [ ] Number boundaries
|
||||
- [ ] Date edge cases
|
||||
- [ ] Timezone handling
|
||||
- [ ] Locale variations
|
||||
- [ ] Platform differences
|
||||
- [ ] Race conditions
|
||||
|
||||
## Phase 10: Integration & E2E (Week 10)
|
||||
|
||||
### 10.1 Integration Tests
|
||||
```
|
||||
tests/integration/
|
||||
├── storage-migrations.test.ts
|
||||
├── augmentation-pipeline.test.ts
|
||||
├── multi-tenant.test.ts
|
||||
├── backup-restore.test.ts
|
||||
├── import-export.test.ts
|
||||
├── upgrade-scenarios.test.ts
|
||||
└── cross-platform.test.ts
|
||||
```
|
||||
|
||||
### 10.2 End-to-End Tests
|
||||
```
|
||||
tests/e2e/
|
||||
├── user-workflows.test.ts
|
||||
├── data-lifecycle.test.ts
|
||||
├── performance-suite.test.ts
|
||||
├── security-suite.test.ts
|
||||
├── disaster-recovery.test.ts
|
||||
└── scale-testing.test.ts
|
||||
```
|
||||
|
||||
## Phase 11: Performance & Stress (Week 11)
|
||||
|
||||
### 11.1 Performance Tests
|
||||
```
|
||||
tests/performance/
|
||||
├── memory-usage.test.ts
|
||||
├── cpu-usage.test.ts
|
||||
├── query-performance.test.ts
|
||||
├── index-performance.test.ts
|
||||
├── cache-effectiveness.test.ts
|
||||
├── batch-operations.test.ts
|
||||
└── concurrent-operations.test.ts
|
||||
```
|
||||
|
||||
### 11.2 Stress Tests
|
||||
```
|
||||
tests/stress/
|
||||
├── load-testing.test.ts
|
||||
├── spike-testing.test.ts
|
||||
├── endurance-testing.test.ts
|
||||
├── volume-testing.test.ts
|
||||
├── scalability-testing.test.ts
|
||||
└── failure-recovery.test.ts
|
||||
```
|
||||
|
||||
## Phase 12: Final Coverage Push (Week 12)
|
||||
|
||||
### 12.1 Coverage Gap Analysis
|
||||
- Run coverage reports
|
||||
- Identify remaining uncovered lines
|
||||
- Identify remaining uncovered branches
|
||||
- Identify remaining uncovered functions
|
||||
- Create targeted tests for gaps
|
||||
|
||||
### 12.2 Coverage Tools Setup
|
||||
```bash
|
||||
# Install coverage tools
|
||||
npm install -D @vitest/coverage-v8 nyc istanbul
|
||||
|
||||
# Coverage commands
|
||||
npm run test:coverage # Run with coverage
|
||||
npm run test:coverage:detailed # Detailed line-by-line
|
||||
npm run test:coverage:report # HTML report
|
||||
npm run test:coverage:check # Verify 100%
|
||||
```
|
||||
|
||||
### 12.3 CI/CD Coverage Gates
|
||||
```yaml
|
||||
# .github/workflows/coverage.yml
|
||||
coverage:
|
||||
statements: 100
|
||||
branches: 100
|
||||
functions: 100
|
||||
lines: 100
|
||||
```
|
||||
|
||||
## Test Implementation Strategy
|
||||
|
||||
### Test File Structure
|
||||
```typescript
|
||||
// Every test file follows this structure
|
||||
describe('ModuleName', () => {
|
||||
describe('ClassName/FunctionName', () => {
|
||||
describe('method()', () => {
|
||||
describe('success paths', () => {
|
||||
it('should handle normal case', () => {})
|
||||
it('should handle edge case 1', () => {})
|
||||
it('should handle edge case 2', () => {})
|
||||
})
|
||||
|
||||
describe('error paths', () => {
|
||||
it('should throw on invalid input', () => {})
|
||||
it('should handle resource failure', () => {})
|
||||
it('should recover from error', () => {})
|
||||
})
|
||||
|
||||
describe('performance', () => {
|
||||
it('should complete within time limit', () => {})
|
||||
it('should handle large inputs', () => {})
|
||||
it('should not leak memory', () => {})
|
||||
})
|
||||
})
|
||||
})
|
||||
})
|
||||
```
|
||||
|
||||
### Coverage Verification Process
|
||||
|
||||
1. **Daily Coverage Checks**
|
||||
```bash
|
||||
npm run test:coverage
|
||||
# Must maintain or increase coverage
|
||||
```
|
||||
|
||||
2. **Weekly Coverage Reviews**
|
||||
- Review coverage reports
|
||||
- Identify stubborn gaps
|
||||
- Refactor if needed for testability
|
||||
|
||||
3. **Monthly Coverage Audits**
|
||||
- Full codebase coverage analysis
|
||||
- Performance impact assessment
|
||||
- Test quality review
|
||||
|
||||
## Success Metrics
|
||||
|
||||
### Week-by-Week Targets
|
||||
- Week 1: 25% coverage (Foundation)
|
||||
- Week 2: 35% coverage (Storage)
|
||||
- Week 3: 45% coverage (Augmentations)
|
||||
- Week 4: 55% coverage (Neural)
|
||||
- Week 5: 65% coverage (Graph)
|
||||
- Week 6: 70% coverage (MCP)
|
||||
- Week 7: 75% coverage (Distributed)
|
||||
- Week 8: 80% coverage (CLI)
|
||||
- Week 9: 90% coverage (Error paths)
|
||||
- Week 10: 95% coverage (Integration)
|
||||
- Week 11: 98% coverage (Performance)
|
||||
- Week 12: 100% coverage (Final push)
|
||||
|
||||
### Definition of 100% Coverage
|
||||
- ✅ Every line executed at least once
|
||||
- ✅ Every branch taken both ways
|
||||
- ✅ Every function called
|
||||
- ✅ Every error path tested
|
||||
- ✅ Every edge case covered
|
||||
- ✅ Every promise path tested
|
||||
- ✅ Every async operation tested
|
||||
- ✅ Every timeout tested
|
||||
- ✅ Every cleanup verified
|
||||
|
||||
## Resource Requirements
|
||||
|
||||
### Team Allocation
|
||||
- 2 Senior Test Engineers (full-time)
|
||||
- 1 QA Automation Engineer (full-time)
|
||||
- 1 Performance Test Engineer (50%)
|
||||
- Original developers (20% for support)
|
||||
|
||||
### Infrastructure
|
||||
- CI/CD pipeline with coverage gates
|
||||
- Test environments for each storage type
|
||||
- Performance testing infrastructure
|
||||
- Browser testing grid
|
||||
- Mobile device testing
|
||||
|
||||
### Tools & Services
|
||||
- Vitest with coverage plugins
|
||||
- Mutation testing tools
|
||||
- Performance monitoring
|
||||
- Memory leak detection
|
||||
- Code quality tools
|
||||
- Test data generation
|
||||
|
||||
## Risk Mitigation
|
||||
|
||||
### Potential Risks
|
||||
1. **Code Refactoring Required**: Some code may need refactoring for testability
|
||||
2. **Performance Impact**: 100% coverage may slow down test suite
|
||||
3. **Maintenance Burden**: Large test suite requires maintenance
|
||||
4. **False Confidence**: Coverage doesn't guarantee quality
|
||||
|
||||
### Mitigation Strategies
|
||||
1. **Refactor Incrementally**: Refactor as we test
|
||||
2. **Parallel Testing**: Run tests in parallel
|
||||
3. **Test Organization**: Well-organized, maintainable tests
|
||||
4. **Quality Metrics**: Measure test quality, not just coverage
|
||||
|
||||
## Maintenance Plan
|
||||
|
||||
### Ongoing Requirements
|
||||
- Every new feature must include tests
|
||||
- Every bug fix must include regression test
|
||||
- Coverage must never drop below 100%
|
||||
- Regular test refactoring and optimization
|
||||
- Quarterly test strategy reviews
|
||||
|
||||
### Documentation
|
||||
- Test writing guidelines
|
||||
- Coverage maintenance guide
|
||||
- Test data management guide
|
||||
- Performance testing guide
|
||||
- Troubleshooting guide
|
||||
|
||||
## Conclusion
|
||||
|
||||
Achieving 100% test coverage for Brainy v3.0 is an ambitious but achievable goal. This plan provides a systematic, week-by-week approach to test every line, branch, and path in the codebase. The investment of 12 weeks will result in:
|
||||
|
||||
1. **Bulletproof Reliability**: Every code path tested
|
||||
2. **Complete Confidence**: No untested surprises
|
||||
3. **Easy Maintenance**: Changes can be made fearlessly
|
||||
4. **Performance Baselines**: Know exactly how fast everything runs
|
||||
5. **Security Assurance**: All security paths validated
|
||||
6. **Documentation**: Tests serve as living documentation
|
||||
|
||||
The key to success is systematic execution, proper tooling, and maintaining discipline throughout the process. With this plan, Brainy v3.0 will have industry-leading test coverage and reliability.
|
||||
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