Krep MCP Server

/** * Unit tests for krep-mcp-server API endpoints */ const request = require('supertest'); const path = require('path'); const { getFixturePath, SAMPLE_TEXT } = require('../utils'); // Mock child_process.exec jest.mock('child_process', () => { const originalModule = jest.requireActual('child_process'); return { ...originalModule, exec: jest.fn((command, options, callback) => { if (typeof options === 'function') { callback = options; options = {}; } // Simulate krep command execution if (command.includes('-c')) { // Count-only mode callback(null, 'Found 5 matches\nSearch completed in 0.001 seconds\n100.5 MB/s\nUsing Boyer-Moore-Horspool algorithm', ''); } else if (command.includes('-s')) { // String match mode callback(null, 'Match: found "pattern" at position 42\nMatch: found "pattern" at position 142\nFound 2 matches\nSearch completed in 0.001 seconds', ''); } else { // File search mode callback(null, 'sample.txt:3: Some patterns appear multiple times, like pattern, PATTERN, and Pattern.\nsample.txt:7: Short patterns like ab should also be findable.\nFound 2 matches\nSearch completed in 0.001 seconds\n100.5 MB/s\nUsing Boyer-Moore-Horspool algorithm', ''); } }) }; }); // Import the server after mocking dependencies const app = require('../../src/index'); describe('API Endpoints', () => { describe('GET /', () => { it('should return server information', async () => { const response = await request(app).get('/'); expect(response.status).toBe(200); expect(response.body).toHaveProperty('name', 'krep-mcp-server'); expect(response.body).toHaveProperty('version'); expect(response.body).toHaveProperty('endpoints'); expect(response.body).toHaveProperty('algorithms'); }); }); describe('GET /health', () => { it('should return health status', async () => { const response = await request(app).get('/health'); expect(response.status).toBe(200); expect(response.body).toHaveProperty('status', 'ok'); }); }); describe('POST /search', () => { it('should search for patterns in files', async () => { const response = await request(app) .post('/search') .send({ pattern: 'pattern', path: getFixturePath('sample.txt'), caseSensitive: true }); expect(response.status).toBe(200); expect(response.body).toHaveProperty('success', true); expect(response.body).toHaveProperty('pattern', 'pattern'); expect(response.body).toHaveProperty('results'); expect(response.body).toHaveProperty('performance'); expect(response.body.performance).toHaveProperty('matchCount'); expect(response.body.performance).toHaveProperty('searchTime'); expect(response.body.performance).toHaveProperty('algorithmUsed'); }); it('should return error for missing parameters', async () => { const response = await request(app) .post('/search') .send({ pattern: 'pattern' // Missing path parameter }); expect(response.status).toBe(400); expect(response.body).toHaveProperty('error'); }); it('should support count-only mode', async () => { const response = await request(app) .post('/search') .send({ pattern: 'pattern', path: getFixturePath('sample.txt'), countOnly: true }); expect(response.status).toBe(200); expect(response.body).toHaveProperty('success', true); expect(response.body).toHaveProperty('performance'); expect(response.body.performance).toHaveProperty('matchCount', 5); }); }); describe('POST /match', () => { it('should match patterns in strings', async () => { const response = await request(app) .post('/match') .send({ pattern: 'pattern', text: SAMPLE_TEXT, caseSensitive: true }); expect(response.status).toBe(200); expect(response.body).toHaveProperty('success', true); expect(response.body).toHaveProperty('pattern', 'pattern'); expect(response.body).toHaveProperty('results'); expect(response.body).toHaveProperty('performance'); expect(response.body.performance).toHaveProperty('matchCount'); }); it('should return error for missing parameters', async () => { const response = await request(app) .post('/match') .send({ pattern: 'pattern' // Missing text parameter }); expect(response.status).toBe(400); expect(response.body).toHaveProperty('error'); }); }); describe('GET /mcp/search/*', () => { it('should handle MCP URI scheme for search', async () => { const response = await request(app) .get(`/mcp/search/${getFixturePath('sample.txt')}?pattern=pattern&case=true`); expect(response.status).toBe(200); expect(response.body).toHaveProperty('success', true); expect(response.body).toHaveProperty('pattern', 'pattern'); expect(response.body).toHaveProperty('results'); }); it('should return error for missing parameters', async () => { const response = await request(app) .get(`/mcp/search/${getFixturePath('sample.txt')}`); // Missing pattern expect(response.status).toBe(400); expect(response.body).toHaveProperty('error'); }); }); describe('GET /mcp/match/*', () => { it('should handle MCP URI scheme for match', async () => { const response = await request(app) .get(`/mcp/match/${encodeURIComponent(SAMPLE_TEXT)}?pattern=pattern&case=true`); expect(response.status).toBe(200); expect(response.body).toHaveProperty('success', true); expect(response.body).toHaveProperty('pattern', 'pattern'); expect(response.body).toHaveProperty('results'); }); it('should return error for missing parameters', async () => { const response = await request(app) .get(`/mcp/match/${encodeURIComponent(SAMPLE_TEXT)}`); // Missing pattern expect(response.status).toBe(400); expect(response.body).toHaveProperty('error'); }); }); describe('GET /performance', () => { it('should return performance information', async () => { const response = await request(app).get('/performance'); expect(response.status).toBe(200); expect(response.body).toHaveProperty('algorithms'); expect(response.body).toHaveProperty('optimizations'); expect(response.body.algorithms).toHaveProperty('kmp'); expect(response.body.algorithms).toHaveProperty('boyerMoore'); expect(response.body.algorithms).toHaveProperty('rabinKarp'); }); }); describe('GET /algorithm-selection', () => { it('should return algorithm selection guide', async () => { const response = await request(app).get('/algorithm-selection'); expect(response.status).toBe(200); expect(response.body).toHaveProperty('selectionCriteria'); expect(response.body).toHaveProperty('automaticSelection'); expect(response.body.selectionCriteria).toHaveProperty('patternLength'); }); }); });