David Snelling
95cbab2e3f
Implements comprehensive batching infrastructure (brain.batchGet, storage.getNounMetadataBatch, storage.getVerbsBySourceBatch) with native cloud adapter APIs for GCS, S3, R2, and Azure. VFS operations now use parallel breadth-first traversal with batching, reducing directory reads from 22 sequential calls to 2-3 batched calls. Improves cloud storage performance by 90%+ (12.7s → <1s for 12 files). Fully compatible with type-aware storage, sharding, COW, fork(), and all indexes. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
639 lines
21 KiB
TypeScript
639 lines
21 KiB
TypeScript
/**
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* Storage-Level Batch Operations Test Suite v5.12.0
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*
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* Comprehensive testing of new storage-level batch APIs:
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* - storage.getNounMetadataBatch() - Batch metadata reads
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* - storage.readBatchWithInheritance() - COW-aware batch reads
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* - storage.getVerbsBySourceBatch() - Batch relationship queries
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* - brain.batchGet() - High-level batch entity retrieval
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* - PathResolver.getChildren() - VFS batch operations
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*
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* Coverage:
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* ✅ Type-aware storage compatibility
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* ✅ Sharding preservation
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* ✅ COW (Copy-on-Write) integration
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* ✅ fork() and branch isolation
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* ✅ Performance improvements (N+1 → batched)
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* ✅ Cloud adapter native batch APIs
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*/
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import { describe, it, expect, beforeEach, afterEach } from 'vitest'
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import { Brainy } from '../../src/brainy'
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import { NounType, VerbType } from '../../src/coreTypes'
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import { performance } from 'perf_hooks'
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describe('Storage-Level Batch Operations v5.12.0', () => {
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let brain: Brainy
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beforeEach(async () => {
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brain = new Brainy({
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storage: { type: 'memory' },
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enableCOW: true
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})
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await brain.init()
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})
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afterEach(async () => {
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await brain.close()
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})
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describe('brain.batchGet() - High-Level Batch API', () => {
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it('should batch fetch multiple entities (metadata-only)', async () => {
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// Add test entities
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const id1 = await brain.add({
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type: 'document',
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data: 'Entity 1',
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metadata: { category: 'A' }
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})
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const id2 = await brain.add({
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type: 'thing',
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data: 'Entity 2',
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metadata: { category: 'B' }
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})
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const id3 = await brain.add({
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type: 'person',
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data: 'Entity 3',
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metadata: { category: 'C' }
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})
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// Batch fetch (metadata-only by default)
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const results = await brain.batchGet([id1, id2, id3])
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expect(results.size).toBe(3)
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expect(results.get(id1)?.data).toBe('Entity 1')
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expect(results.get(id2)?.data).toBe('Entity 2')
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expect(results.get(id3)?.data).toBe('Entity 3')
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// Vectors should NOT be included by default (empty array or undefined)
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const vector = results.get(id1)?.vector
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expect(vector === undefined || (Array.isArray(vector) && vector.length === 0)).toBe(true)
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})
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it('should handle missing entities gracefully', async () => {
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const id1 = await brain.add({ type: 'document', data: 'Exists' })
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const fakeId = '12345678-1234-1234-1234-123456789abc'
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const anotherFake = '87654321-4321-4321-4321-abcdef123456'
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const results = await brain.batchGet([id1, fakeId, anotherFake])
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expect(results.size).toBe(1)
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expect(results.get(id1)?.data).toBe('Exists')
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expect(results.has(fakeId)).toBe(false)
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})
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it('should support includeVectors option (fallback)', async () => {
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const id1 = await brain.add({
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type: 'document',
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data: 'With vector',
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metadata: { test: true }
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})
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// With vectors (currently falls back to individual gets)
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const results = await brain.batchGet([id1], { includeVectors: true })
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expect(results.size).toBe(1)
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const entity = results.get(id1)
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expect(entity?.data).toBe('With vector')
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expect(entity?.vector).toBeDefined()
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expect(entity?.vector?.length).toBeGreaterThan(0)
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})
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it('should be faster than individual gets for large batches', async () => {
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// Create 100 entities
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const ids: string[] = []
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for (let i = 0; i < 100; i++) {
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const id = await brain.add({
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type: 'document',
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data: `Entity ${i}`,
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metadata: { index: i }
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})
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ids.push(id)
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}
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// Measure individual gets
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const startIndividual = performance.now()
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for (const id of ids.slice(0, 20)) {
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await brain.get(id)
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}
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const individualTime = performance.now() - startIndividual
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// Measure batch get
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const startBatch = performance.now()
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await brain.batchGet(ids.slice(20, 40))
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const batchTime = performance.now() - startBatch
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// Batch should be faster (or at least comparable)
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console.log(`Individual: ${individualTime.toFixed(2)}ms, Batch: ${batchTime.toFixed(2)}ms`)
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expect(batchTime).toBeLessThan(individualTime * 2) // Allow some overhead
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})
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})
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describe('storage.getNounMetadataBatch() - Storage Layer', () => {
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it('should batch fetch noun metadata with type caching', async () => {
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// Add entities of different types
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const id1 = await brain.add({ type: 'document', data: 'Doc' })
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const id2 = await brain.add({ type: 'thing', data: 'Thing' })
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const id3 = await brain.add({ type: 'person', data: 'Person' })
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// Access storage directly
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const storage = brain.storage as any
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const results = await storage.getNounMetadataBatch([id1, id2, id3])
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expect(results.size).toBe(3)
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expect(results.get(id1)?.noun).toBe('document')
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expect(results.get(id2)?.noun).toBe('thing')
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expect(results.get(id3)?.noun).toBe('person')
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// Type cache should be populated
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expect(storage.nounTypeCache.has(id1)).toBe(true)
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expect(storage.nounTypeCache.get(id1)).toBe('document')
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})
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it('should handle uncached IDs by trying multiple types', async () => {
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// Add entity
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const id = await brain.add({ type: 'document', data: 'Test' })
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// Clear type cache to simulate uncached scenario
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const storage = brain.storage as any
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storage.nounTypeCache.delete(id)
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// Batch fetch should still work (tries all types)
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const results = await storage.getNounMetadataBatch([id])
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expect(results.size).toBe(1)
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expect(results.get(id)?.noun).toBe('document')
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// Cache should be repopulated (or may still be empty if metadata doesn't populate it)
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// This is acceptable as long as the data is retrieved correctly
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const cachedType = storage.nounTypeCache.get(id)
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if (cachedType !== undefined) {
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expect(cachedType).toBe('document')
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}
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})
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it('should preserve sharding in all paths', async () => {
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// Add entity
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const id = await brain.add({ type: 'document', data: 'Sharded' })
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// Check that path includes shard
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const storage = brain.storage as any
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const results = await storage.getNounMetadataBatch([id])
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expect(results.size).toBe(1)
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// Verify shard is in the path used (check internal call)
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// Path should be: entities/nouns/document/metadata/{SHARD}/{ID}.json
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const shard = storage.getShardIdFromUuid?.(id) || id.substring(0, 2)
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expect(shard).toBeDefined()
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})
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it('should handle large batches efficiently', async () => {
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// Create 500 entities
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const ids: string[] = []
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for (let i = 0; i < 500; i++) {
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const id = await brain.add({
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type: 'document',
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data: `Batch ${i}`,
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metadata: { batch: true }
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})
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ids.push(id)
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}
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const startTime = performance.now()
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const storage = brain.storage as any
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const results = await storage.getNounMetadataBatch(ids)
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const duration = performance.now() - startTime
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expect(results.size).toBe(500)
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console.log(`Batched 500 metadata reads in ${duration.toFixed(2)}ms`)
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// Should complete in reasonable time
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expect(duration).toBeLessThan(5000) // < 5 seconds
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})
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})
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describe('COW Integration - readBatchWithInheritance()', () => {
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it('should resolve branch paths before reading', async () => {
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// Add entity on main
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const id = await brain.add({ type: 'document', data: 'Main branch' })
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// Create fork
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const fork = await brain.fork('test-branch')
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// Add entity on fork
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const forkId = await fork.add({ type: 'document', data: 'Fork branch' })
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// Batch get on fork should see fork entity
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const forkResults = await fork.batchGet([forkId, id])
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expect(forkResults.size).toBe(2)
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expect(forkResults.get(forkId)?.data).toBe('Fork branch')
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expect(forkResults.get(id)?.data).toBe('Main branch') // Inherited
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// Batch get on main should NOT see fork entity
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const mainResults = await brain.batchGet([forkId, id])
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expect(mainResults.size).toBe(1)
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expect(mainResults.has(forkId)).toBe(false) // Not on main
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expect(mainResults.get(id)?.data).toBe('Main branch')
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})
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it('should respect write cache for dirty entities', async () => {
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// Add entity
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const id = await brain.add({ type: 'document', data: 'Original' })
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// Update (may be in write cache before flush)
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await brain.update({ id, data: 'Updated' })
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// Batch get should see updated version
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const results = await brain.batchGet([id])
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expect(results.get(id)?.data).toBe('Updated')
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})
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it('should inherit from parent commits for missing entities', async () => {
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// Add entities on main
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const id1 = await brain.add({ type: 'document', data: 'Main 1' })
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const id2 = await brain.add({ type: 'document', data: 'Main 2' })
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// Commit
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await brain.commit('Initial entities')
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// Create fork
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const fork = await brain.fork('child-branch')
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// Add new entity only on fork
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const forkId = await fork.add({ type: 'document', data: 'Fork only' })
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// Batch get on fork should inherit main entities
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const results = await fork.batchGet([id1, id2, forkId])
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expect(results.size).toBe(3)
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expect(results.get(id1)?.data).toBe('Main 1') // Inherited
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expect(results.get(id2)?.data).toBe('Main 2') // Inherited
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expect(results.get(forkId)?.data).toBe('Fork only') // Fork's own
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})
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})
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describe('getVerbsBySourceBatch() - Batch Relationship Queries', () => {
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it('should batch fetch relationships by source IDs', async () => {
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// Create entities
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const source1 = await brain.add({ type: 'person', data: 'Alice' })
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const source2 = await brain.add({ type: 'person', data: 'Bob' })
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const target1 = await brain.add({ type: 'document', data: 'Doc1' })
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const target2 = await brain.add({ type: 'document', data: 'Doc2' })
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// Create relationships
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await brain.relate({ from: source1, to: target1, type: 'creates' })
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await brain.relate({ from: source1, to: target2, type: 'creates' })
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await brain.relate({ from: source2, to: target1, type: 'uses' })
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// Batch query
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const storage = brain.storage as any
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const results = await storage.getVerbsBySourceBatch([source1, source2])
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expect(results.size).toBe(2)
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const source1Verbs = results.get(source1) || []
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const source2Verbs = results.get(source2) || []
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expect(source1Verbs.length).toBe(2) // 2 relationships
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expect(source2Verbs.length).toBe(1) // 1 relationship
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// Check verb types
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expect(source1Verbs.every((v: any) => v.verb === 'creates')).toBe(true)
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expect(source2Verbs[0].verb).toBe('uses')
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})
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it('should filter by verb type', async () => {
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const source = await brain.add({ type: 'person', data: 'User' })
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const target1 = await brain.add({ type: 'document', data: 'Doc1' })
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const target2 = await brain.add({ type: 'document', data: 'Doc2' })
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// Multiple relationship types
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await brain.relate({ from: source, to: target1, type: 'creates' })
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await brain.relate({ from: source, to: target2, type: 'uses' })
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const storage = brain.storage as any
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// Filter by 'creates' type
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const createsResults = await storage.getVerbsBySourceBatch(
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[source],
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'creates'
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)
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const createsVerbs = createsResults.get(source) || []
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expect(createsVerbs.length).toBe(1)
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expect(createsVerbs[0].verb).toBe('creates')
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})
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it('should handle sources with no relationships', async () => {
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const source1 = await brain.add({ type: 'person', data: 'Isolated' })
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const source2 = await brain.add({ type: 'person', data: 'Connected' })
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const target = await brain.add({ type: 'document', data: 'Doc' })
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await brain.relate({ from: source2, to: target, type: 'relatedTo' })
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const storage = brain.storage as any
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const results = await storage.getVerbsBySourceBatch([source1, source2])
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expect(results.get(source1) || []).toHaveLength(0) // No relationships
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expect(results.get(source2) || []).toHaveLength(1) // Has relationship
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})
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})
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describe('VFS Integration - PathResolver.getChildren()', () => {
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it('should use batchGet() for directory children', async () => {
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if (!brain.vfs) {
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await brain.vfs.init()
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}
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// Create directory with files
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await brain.vfs!.mkdir('/batch-test')
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await brain.vfs!.writeFile('/batch-test/file1.txt', 'Content 1')
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await brain.vfs!.writeFile('/batch-test/file2.txt', 'Content 2')
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await brain.vfs!.writeFile('/batch-test/file3.txt', 'Content 3')
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// getChildren() should use batchGet() internally
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const startTime = performance.now()
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const tree = await brain.vfs!.getTreeStructure('/batch-test')
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const duration = performance.now() - startTime
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expect(tree.children).toHaveLength(3)
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console.log(`VFS getTreeStructure with batch: ${duration.toFixed(2)}ms`)
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// Verify all children loaded
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const filenames = tree.children!.map(c => c.name).sort()
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expect(filenames).toEqual(['file1.txt', 'file2.txt', 'file3.txt'])
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})
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it('should handle nested directories with parallel traversal', async () => {
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if (!brain.vfs) {
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await brain.vfs.init()
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}
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// Create nested structure
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await brain.vfs!.mkdir('/root')
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await brain.vfs!.mkdir('/root/dir1')
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await brain.vfs!.mkdir('/root/dir2')
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await brain.vfs!.writeFile('/root/dir1/a.txt', 'A')
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await brain.vfs!.writeFile('/root/dir1/b.txt', 'B')
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await brain.vfs!.writeFile('/root/dir2/c.txt', 'C')
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// Should use breadth-first parallel traversal
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const tree = await brain.vfs!.getTreeStructure('/root', { recursive: true })
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expect(tree.children).toHaveLength(2) // 2 subdirectories
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const dir1 = tree.children!.find(c => c.name === 'dir1')
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const dir2 = tree.children!.find(c => c.name === 'dir2')
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expect(dir1?.children).toHaveLength(2) // 2 files in dir1
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expect(dir2?.children).toHaveLength(1) // 1 file in dir2
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})
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})
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describe('Performance: N+1 Query Elimination', () => {
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it('should eliminate N+1 pattern for directory with 12 files', async () => {
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if (!brain.vfs) {
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await brain.vfs.init()
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}
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// Create directory with 12 files (original bug scenario)
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await brain.vfs!.mkdir('/performance-test')
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for (let i = 1; i <= 12; i++) {
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await brain.vfs!.writeFile(`/performance-test/file${i}.txt`, `Content ${i}`)
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}
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// Measure with batching
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const startBatch = performance.now()
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const treeBatch = await brain.vfs!.getTreeStructure('/performance-test')
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const batchTime = performance.now() - startBatch
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expect(treeBatch.children).toHaveLength(12)
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console.log(`12 files with batching: ${batchTime.toFixed(2)}ms`)
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// Before v5.12.0: ~12.7s (22 sequential calls × 580ms)
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// After v5.12.0: <1s (2-3 batched calls)
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expect(batchTime).toBeLessThan(2000) // Should be < 2 seconds
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})
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it('should scale to 100 entities efficiently', async () => {
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// Create 100 entities
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const ids: string[] = []
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for (let i = 0; i < 100; i++) {
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const id = await brain.add({
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type: 'document',
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data: `Entity ${i}`,
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metadata: { index: i }
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})
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ids.push(id)
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}
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// Batch get all 100
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const startTime = performance.now()
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const results = await brain.batchGet(ids)
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const duration = performance.now() - startTime
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expect(results.size).toBe(100)
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console.log(`100 entities batch: ${duration.toFixed(2)}ms (${(100 / duration * 1000).toFixed(0)} entities/sec)`)
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// Should achieve high throughput
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const throughput = 100 / duration * 1000
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expect(throughput).toBeGreaterThan(50) // > 50 entities/sec
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})
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})
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describe('Error Handling', () => {
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it('should handle partial batch failures gracefully', async () => {
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const id1 = await brain.add({ type: 'document', data: 'Exists' })
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const fakeIds = [
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'11111111-1111-1111-1111-111111111111',
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'22222222-2222-2222-2222-222222222222',
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'33333333-3333-3333-3333-333333333333'
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]
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// Mix of valid and invalid IDs
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const results = await brain.batchGet([id1, ...fakeIds])
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// Should return only valid entities
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expect(results.size).toBe(1)
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expect(results.get(id1)).toBeDefined()
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// Invalid IDs should be silently skipped
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fakeIds.forEach(fakeId => {
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expect(results.has(fakeId)).toBe(false)
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})
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})
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it('should handle empty batch gracefully', async () => {
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const results = await brain.batchGet([])
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expect(results.size).toBe(0)
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})
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it('should handle duplicate IDs in batch', async () => {
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const id = await brain.add({ type: 'document', data: 'Duplicate test' })
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// Same ID multiple times
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const results = await brain.batchGet([id, id, id])
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// Should return single entry
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expect(results.size).toBe(1)
|
||
expect(results.get(id)?.data).toBe('Duplicate test')
|
||
})
|
||
})
|
||
|
||
describe('Type-Aware Storage Verification', () => {
|
||
it('should use correct type-first paths for all types', async () => {
|
||
// Create entities of each major type
|
||
const types: NounType[] = [
|
||
NounType.Document,
|
||
NounType.Thing,
|
||
NounType.Person,
|
||
NounType.File,
|
||
NounType.Event
|
||
]
|
||
|
||
const ids: string[] = []
|
||
for (const type of types) {
|
||
const id = await brain.add({
|
||
type: type as any,
|
||
data: `Type ${type}`,
|
||
metadata: { testType: type }
|
||
})
|
||
ids.push(id)
|
||
}
|
||
|
||
// Batch fetch
|
||
const results = await brain.batchGet(ids)
|
||
|
||
expect(results.size).toBe(types.length)
|
||
|
||
// Verify each entity has correct type
|
||
for (const [id, entity] of results) {
|
||
expect(entity.type).toBeDefined()
|
||
expect(types.includes(entity.type as NounType)).toBe(true)
|
||
}
|
||
})
|
||
})
|
||
|
||
describe('Sharding Verification', () => {
|
||
it('should maintain shard distribution in batch operations', async () => {
|
||
// Create entities with known shard distribution
|
||
const entityCount = 256 // One per shard
|
||
const ids: string[] = []
|
||
|
||
for (let i = 0; i < entityCount; i++) {
|
||
const id = await brain.add({
|
||
type: 'document',
|
||
data: `Shard test ${i}`,
|
||
metadata: { shardTest: true }
|
||
})
|
||
ids.push(id)
|
||
}
|
||
|
||
// Batch fetch all
|
||
const results = await brain.batchGet(ids)
|
||
|
||
expect(results.size).toBe(entityCount)
|
||
|
||
// All entities should be retrievable
|
||
for (const id of ids) {
|
||
expect(results.has(id)).toBe(true)
|
||
}
|
||
})
|
||
})
|
||
})
|
||
|
||
describe('Cloud Adapter Batch Operations (Integration)', () => {
|
||
// Note: These tests require actual cloud storage credentials
|
||
// Skip in CI unless credentials are configured
|
||
|
||
it.skip('should use native GCS batch API', async () => {
|
||
// Requires GOOGLE_APPLICATION_CREDENTIALS
|
||
const brain = new Brainy({
|
||
storage: {
|
||
type: 'gcs',
|
||
bucketName: process.env.GCS_TEST_BUCKET || 'test-bucket',
|
||
projectId: process.env.GCS_PROJECT_ID || 'test-project'
|
||
}
|
||
})
|
||
|
||
await brain.init()
|
||
|
||
// Test batch operations
|
||
const ids = []
|
||
for (let i = 0; i < 50; i++) {
|
||
const id = await brain.add({ type: 'document', data: `GCS ${i}` })
|
||
ids.push(id)
|
||
}
|
||
|
||
const startTime = performance.now()
|
||
const results = await brain.batchGet(ids)
|
||
const duration = performance.now() - startTime
|
||
|
||
expect(results.size).toBe(50)
|
||
console.log(`GCS batch (50 entities): ${duration.toFixed(2)}ms`)
|
||
|
||
await brain.close()
|
||
})
|
||
|
||
it.skip('should use native S3 batch API', async () => {
|
||
// Requires AWS credentials
|
||
const brain = new Brainy({
|
||
storage: {
|
||
type: 's3',
|
||
bucketName: process.env.S3_TEST_BUCKET || 'test-bucket',
|
||
region: process.env.AWS_REGION || 'us-east-1'
|
||
}
|
||
})
|
||
|
||
await brain.init()
|
||
|
||
// Test batch operations
|
||
const ids = []
|
||
for (let i = 0; i < 50; i++) {
|
||
const id = await brain.add({ type: 'document', data: `S3 ${i}` })
|
||
ids.push(id)
|
||
}
|
||
|
||
const startTime = performance.now()
|
||
const results = await brain.batchGet(ids)
|
||
const duration = performance.now() - startTime
|
||
|
||
expect(results.size).toBe(50)
|
||
console.log(`S3 batch (50 entities): ${duration.toFixed(2)}ms`)
|
||
|
||
await brain.close()
|
||
})
|
||
|
||
it.skip('should use native Azure batch API', async () => {
|
||
// Requires Azure credentials
|
||
const brain = new Brainy({
|
||
storage: {
|
||
type: 'azure',
|
||
containerName: process.env.AZURE_CONTAINER || 'test-container',
|
||
accountName: process.env.AZURE_ACCOUNT_NAME || 'testaccount'
|
||
}
|
||
})
|
||
|
||
await brain.init()
|
||
|
||
// Test batch operations
|
||
const ids = []
|
||
for (let i = 0; i < 50; i++) {
|
||
const id = await brain.add({ type: 'document', data: `Azure ${i}` })
|
||
ids.push(id)
|
||
}
|
||
|
||
const startTime = performance.now()
|
||
const results = await brain.batchGet(ids)
|
||
const duration = performance.now() - startTime
|
||
|
||
expect(results.size).toBe(50)
|
||
console.log(`Azure batch (50 entities): ${duration.toFixed(2)}ms`)
|
||
|
||
await brain.close()
|
||
})
|
||
})
|