Second Brain MCP Server

/** * Tests for pattern detection service */ import { describe, it, expect } from 'vitest'; import { detectPattern } from '../patternDetector.js'; import { simpleNote, bugFixNote, refactoringNote, documentationNote, configNote, testingNote, complexNote, } from '../../__fixtures__/sessionNotes.js'; describe('detectPattern', () => { describe('bug-fix detection', () => { it('detects bug-fix pattern from summary keywords', () => { const result = detectPattern({ summary: 'Fixed critical bug in login flow', timestamp: '2024-01-01T00:00:00Z', }); expect(result.pattern).toBe('bug-fix'); expect(result.confidence).toBeGreaterThan(0); }); it('detects bug-fix from fixture', () => { const result = detectPattern(bugFixNote); expect(result.pattern).toBe('bug-fix'); }); }); describe('new-feature detection', () => { it('detects new-feature pattern from created files', () => { const result = detectPattern({ summary: 'Added new user dashboard', timestamp: '2024-01-01T00:00:00Z', fileChanges: [ { path: 'src/Dashboard.tsx', type: 'created' }, { path: 'src/api/dashboard.ts', type: 'created' }, ], }); expect(result.pattern).toBe('new-feature'); }); it('detects new-feature from fixture', () => { const result = detectPattern(complexNote); // complexNote has multiple patterns (created files = new-feature, but also config changes) // The pattern detector may return 'new-feature' or 'mixed' depending on weighting expect(['new-feature', 'mixed']).toContain(result.pattern); }); }); describe('refactoring detection', () => { it('detects refactoring pattern from summary', () => { const result = detectPattern({ summary: 'Refactored authentication module for better maintainability', timestamp: '2024-01-01T00:00:00Z', }); expect(result.pattern).toBe('refactoring'); }); it('detects refactoring from fixture', () => { const result = detectPattern(refactoringNote); expect(result.pattern).toBe('refactoring'); }); }); describe('documentation detection', () => { it('detects documentation pattern from file changes', () => { const result = detectPattern({ summary: 'Updated API documentation', timestamp: '2024-01-01T00:00:00Z', fileChanges: [ { path: 'README.md', type: 'modified' }, { path: 'docs/API.md', type: 'created' }, ], }); expect(result.pattern).toBe('documentation'); }); it('detects documentation from fixture', () => { const result = detectPattern(documentationNote); expect(result.pattern).toBe('documentation'); }); }); describe('configuration detection', () => { it('detects configuration pattern from config files', () => { const result = detectPattern({ summary: 'Updated build configuration', timestamp: '2024-01-01T00:00:00Z', fileChanges: [ { path: 'webpack.config.js', type: 'modified' }, { path: '.eslintrc.json', type: 'modified' }, ], }); expect(result.pattern).toBe('configuration'); }); it('detects configuration from fixture', () => { const result = detectPattern(configNote); expect(result.pattern).toBe('configuration'); }); }); describe('testing detection', () => { it('detects testing pattern from test files', () => { const result = detectPattern({ summary: 'Added unit tests for auth module', timestamp: '2024-01-01T00:00:00Z', fileChanges: [ { path: 'src/__tests__/auth.test.ts', type: 'created' }, { path: 'src/__tests__/user.test.ts', type: 'created' }, ], }); expect(result.pattern).toBe('testing'); }); it('detects testing from fixture', () => { const result = detectPattern(testingNote); expect(result.pattern).toBe('testing'); }); }); describe('confidence scores', () => { it('returns higher confidence for multiple indicators', () => { const strongMatch = detectPattern({ summary: 'Fixed critical bug causing crash', timestamp: '2024-01-01T00:00:00Z', tags: ['bug', 'hotfix', 'fix'], }); const weakMatch = detectPattern({ summary: 'Updated code', timestamp: '2024-01-01T00:00:00Z', }); expect(strongMatch.confidence).toBeGreaterThan(weakMatch.confidence); }); it('returns confidence between 0 and 100', () => { const result = detectPattern(complexNote); expect(result.confidence).toBeGreaterThanOrEqual(0); expect(result.confidence).toBeLessThanOrEqual(100); }); }); describe('edge cases', () => { it('handles minimal note', () => { const result = detectPattern(simpleNote); expect(result.pattern).toBeDefined(); expect(typeof result.confidence).toBe('number'); }); it('handles empty commands and file changes', () => { const result = detectPattern({ summary: 'Some work', timestamp: '2024-01-01T00:00:00Z', commands: [], fileChanges: [], }); expect(result.pattern).toBeDefined(); }); }); });