Neo4j Memory Server

/** * Local ID Resolver Tests * Single responsibility: Test local ID resolution for batch operations * GDD v3.0: Tests for local ID mapping system */ import { describe, it, expect, beforeEach } from 'vitest'; import { LocalIdResolver } from '../../../../src/application/unified-handlers/services/local-id-resolver'; describe('LocalIdResolver - Production Coverage', () => { let resolver: LocalIdResolver; beforeEach(() => { resolver = new LocalIdResolver(); }); describe('Local ID Validation', () => { it('should validate unique local IDs within request', () => { // Arrange const memories = [ { localId: 'frontend', name: 'Frontend App' }, { localId: 'backend', name: 'Backend API' } ]; // Act & Assert - should not throw expect(() => resolver.validateLocalIds(memories)).not.toThrow(); }); it('should detect duplicate local IDs within request', () => { // Arrange const memories = [ { localId: 'component', name: 'Component A' }, { localId: 'component', name: 'Component B' } // Duplicate ]; // Act & Assert expect(() => resolver.validateLocalIds(memories)) .toThrow('Duplicate localId "component" in request'); }); it('should reject local IDs that look like real memory IDs', () => { // Arrange - 18-character string that looks like BASE85 ID const memories = [ { localId: 'dZ$1/D-Ljt*!I?R)_-', name: 'Memory' } // Looks like real ID ]; // Act & Assert expect(() => resolver.validateLocalIds(memories)) .toThrow('Local ID cannot look like real memory ID'); }); it('should allow valid local IDs', () => { // Arrange const memories = [ { localId: 'frontend-app', name: 'Frontend' }, { localId: 'backend-api', name: 'Backend' }, { localId: 'database', name: 'Database' } ]; // Act & Assert expect(() => resolver.validateLocalIds(memories)).not.toThrow(); }); it('should handle memories without local IDs', () => { // Arrange const memories = [ { name: 'Memory without localId' }, { localId: 'withLocalId', name: 'Memory with localId' } ]; // Act & Assert expect(() => resolver.validateLocalIds(memories)).not.toThrow(); }); }); describe('Mapping Creation', () => { it('should build localId to realId mapping', () => { // Arrange const memories = [ { localId: 'frontend', id: 'real-id-123' }, { localId: 'backend', id: 'real-id-456' }, { id: 'real-id-789' } // No localId - should be ignored ]; // Act const mapping = resolver.buildMapping(memories); // Assert expect(mapping.size).toBe(2); expect(mapping.get('frontend')).toBe('real-id-123'); expect(mapping.get('backend')).toBe('real-id-456'); expect(mapping.has('real-id-789')).toBe(false); }); it('should handle empty memories array', () => { // Act const mapping = resolver.buildMapping([]); // Assert expect(mapping.size).toBe(0); }); it('should convert mapping to response format', () => { // Arrange const mapping = new Map([ ['frontend', 'real-id-123'], ['backend', 'real-id-456'] ]); // Act const response = resolver.mappingToResponse(mapping); // Assert expect(response).toEqual({ frontend: 'real-id-123', backend: 'real-id-456' }); }); }); describe('Memory Request Resolution', () => { it('should resolve relations with local IDs to real IDs', () => { // Arrange const relations = [ { from: 'frontend', to: 'backend', type: 'COMMUNICATES_WITH' }, { from: 'backend', to: '9876543210ABCDEFGH', type: 'USES' } // 18-char memory ID ]; const localIdMap = new Map([ ['frontend', 'real-id-123'], ['backend', 'real-id-456'] ]); // Act const resolved = resolver.resolveMemoryRequest(relations, localIdMap); // Assert expect(resolved.resolved).toEqual([ { from: 'real-id-123', to: 'real-id-456', type: 'COMMUNICATES_WITH' }, { from: 'real-id-456', to: '9876543210ABCDEFGH', type: 'USES' } ]); expect(resolved.mapping).toBe(localIdMap); }); it('should handle mixed local IDs and existing memory IDs', () => { // Arrange - Use memory IDs that look like real 18-char BASE85 IDs const relations = [ { from: 'newMemory', to: '0123456789ABCDEFGH', type: 'EXTENDS' }, // 18-char real ID { from: '9876543210ZYXWVUTS', to: 'newMemory', type: 'CONTAINS' } // 18-char real ID ]; const localIdMap = new Map([ ['newMemory', 'real-id-789'] ]); // Act const resolved = resolver.resolveMemoryRequest(relations, localIdMap); // Assert expect(resolved.resolved).toEqual([ { from: 'real-id-789', to: '0123456789ABCDEFGH', type: 'EXTENDS' }, { from: '9876543210ZYXWVUTS', to: 'real-id-789', type: 'CONTAINS' } ]); }); it('should throw error for undefined relation IDs', () => { // Arrange const relations = [ { from: undefined, to: 'backend', type: 'TEST' } ]; const localIdMap = new Map(); // Act & Assert expect(() => resolver.resolveMemoryRequest(relations, localIdMap)) .toThrow('ID cannot be undefined in relation'); }); it('should throw error for unresolved local IDs', () => { // Arrange const relations = [ { from: 'unknownLocalId', to: 'backend', type: 'TEST' } ]; const localIdMap = new Map([ ['backend', 'real-id-456'] ]); // Act & Assert expect(() => resolver.resolveMemoryRequest(relations, localIdMap)) .toThrow('LocalId "unknownLocalId" not found'); }); it('should provide helpful error message for cross-operation local ID usage', () => { // Arrange const relations = [ { from: 'previousOperationLocalId', to: 'backend', type: 'TEST' } ]; const localIdMap = new Map([ ['backend', 'real-id-456'] ]); // Act & Assert expect(() => resolver.resolveMemoryRequest(relations, localIdMap)) .toThrow('LocalIds only work within the same operation'); }); }); describe('Real ID Detection', () => { it('should correctly identify real memory IDs', () => { // Arrange - Test with actual 18-character BASE85 pattern const realIds = [ '0123456789ABCDEFGH', // 18 chars, alphanumeric '9876543210ZYXWVUTS', // 18 chars, alphanumeric 'ABCDEFGH0123456789' // 18 chars, alphanumeric ]; // Act & Assert realIds.forEach(id => { const relations = [{ from: id, to: 'backend', type: 'TEST' }]; const localIdMap = new Map([['backend', 'real-id-456']]); // Should not throw - should be treated as existing memory ID expect(() => resolver.resolveMemoryRequest(relations, localIdMap)) .not.toThrow(); }); }); it('should correctly identify local IDs vs real IDs', () => { // Arrange const localIds = [ 'frontend', // Too short 'this-is-a-very-long-local-id-that-exceeds-18-chars', // Too long 'frontend-component-x', // 19 chars, not 18 'test123' // Short and simple ]; // These should be treated as local IDs and cause errors when not in mapping localIds.forEach(id => { const relations = [{ from: id, to: 'backend', type: 'TEST' }]; const localIdMap = new Map([['backend', 'real-id-456']]); // Should throw error for unresolved local ID expect(() => resolver.resolveMemoryRequest(relations, localIdMap)) .toThrow('LocalId'); }); }); }); });