brainy/test-vfs-simple.js
David Snelling b3c4f348ab feat: implement complete VFS with Knowledge Layer integration
Add production-ready Virtual File System with intelligent Knowledge Layer:

Core VFS Features:
- Complete file system operations (read, write, mkdir, etc.)
- Intelligent PathResolver with 4-layer caching system
- Chunked storage for large files with real compression
- Embedding generation for semantic operations
- File relationships and metadata tracking
- Import functionality from local filesystem

Knowledge Layer Integration:
- EventRecorder for complete file history and temporal coupling
- SemanticVersioning with content-based change detection
- PersistentEntitySystem for character/entity tracking across files
- ConceptSystem for universal concept mapping and graphs
- GitBridge for import/export between VFS and Git repositories

Architecture:
- KnowledgeAugmentation properly integrated into Brainy augmentation system
- KnowledgeLayer wrapper provides real-time VFS operation interception
- Background processing ensures VFS operations remain fast
- All components use real Brainy embed() method for embeddings
- Support for creative writing, coding projects, and project management

Technical Implementation:
- Fixed all stub/mock implementations with real working code
- TypeScript compilation passes without errors
- Comprehensive test suite demonstrating all features
- Documentation covering architecture and usage patterns
- Backwards compatible with existing Brainy functionality

This enables scenarios like writing books with persistent characters,
managing coding projects with concept tracking, and complete project
coordination with intelligent file relationships.
2025-09-24 17:31:48 -07:00

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JavaScript

#!/usr/bin/env node
/**
* Simple VFS test to verify it actually works
*/
import { Brainy } from './dist/brainy.js'
async function testVFS() {
console.log('🧪 Testing VFS with real Brainy instance...\n')
const brain = new Brainy({
storage: { type: 'memory' },
silent: true,
augmentations: {
knowledge: true // Enable Knowledge Layer
}
})
await brain.init()
// Get VFS instance
const vfs = brain.vfs()
await vfs.init()
console.log('✅ VFS initialized')
// Test 1: Write a file
const content = 'Hello, VFS World!'
await vfs.writeFile('/test.txt', content)
console.log('✅ File written: /test.txt')
// Test 2: Read the file back
const result = await vfs.readFile('/test.txt')
const readContent = result.toString()
console.log('✅ File read:', readContent)
if (readContent !== content) {
throw new Error(`Content mismatch! Expected: ${content}, Got: ${readContent}`)
}
// Test 3: Create directory
await vfs.mkdir('/my-folder')
console.log('✅ Directory created: /my-folder')
// Test 4: Write file in directory
await vfs.writeFile('/my-folder/nested.txt', 'Nested content')
console.log('✅ Nested file written')
// Test 5: List directory
const files = await vfs.readdir('/my-folder')
console.log('✅ Directory contents:', files)
// Test 6: Search (uses embeddings)
const searchResults = await vfs.search('Hello world')
console.log('✅ Search results:', searchResults.length, 'files found')
// Test 7: Check if Knowledge Layer is active
if (vfs.getHistory) {
console.log('✅ Knowledge Layer detected')
const history = await vfs.getHistory('/test.txt')
console.log('✅ File history:', history ? history.length : 0, 'events')
} else {
console.log('❌ Knowledge Layer NOT active')
}
// Clean up
await vfs.close()
await brain.close()
console.log('\n✅ All VFS tests passed!')
}
testVFS().catch(err => {
console.error('❌ Test failed:', err)
process.exit(1)
})