Strudel MCP Server

import { PatternStore } from '../PatternStore'; import { promises as fs } from 'fs'; import path from 'path'; import { tmpdir } from 'os'; describe('PatternStore', () => { let store: PatternStore; let testDir: string; beforeEach(async () => { // Create a temporary directory for testing testDir = path.join(tmpdir(), 'strudel-test-' + Date.now()); await fs.mkdir(testDir, { recursive: true }); store = new PatternStore(testDir); }); afterEach(async () => { // Clean up test directory try { await fs.rm(testDir, { recursive: true, force: true }); } catch (error) { // Ignore cleanup errors } }); describe('save', () => { test('should save a pattern successfully', async () => { const name = 'test-pattern'; const content = 's("bd*4")'; const tags = ['techno', 'test']; await store.save(name, content, tags); const files = await fs.readdir(testDir); expect(files).toContain('test-pattern.json'); }); test('should sanitize filename', async () => { const name = 'Test Pattern With Spaces!@#'; const content = 's("bd*4")'; await store.save(name, content); const files = await fs.readdir(testDir); expect(files).toContain('test_pattern_with_spaces___.json'); }); test('should save pattern with timestamp', async () => { const name = 'timestamped'; const content = 's("bd*4")'; await store.save(name, content); const pattern = await store.load(name); expect(pattern).not.toBeNull(); expect(pattern!.timestamp).toBeDefined(); expect(new Date(pattern!.timestamp).getTime()).toBeGreaterThan(0); }); test('should overwrite existing pattern', async () => { const name = 'overwrite-test'; await store.save(name, 's("bd*4")'); await store.save(name, 's("cp*4")'); const pattern = await store.load(name); expect(pattern!.content).toBe('s("cp*4")'); }); }); describe('load', () => { test('should load an existing pattern', async () => { const name = 'loadable'; const content = 's("bd*4, cp*2")'; const tags = ['house']; await store.save(name, content, tags); const loaded = await store.load(name); expect(loaded).not.toBeNull(); expect(loaded!.name).toBe(name); expect(loaded!.content).toBe(content); expect(loaded!.tags).toEqual(tags); }); test('should return null for non-existent pattern', async () => { const loaded = await store.load('does-not-exist'); expect(loaded).toBeNull(); }); test('should handle sanitized filenames when loading', async () => { const name = 'Pattern With Spaces'; const content = 's("bd*4")'; await store.save(name, content); const loaded = await store.load(name); expect(loaded).not.toBeNull(); expect(loaded!.name).toBe(name); }); }); describe('list', () => { test('should list all patterns', async () => { await store.save('pattern1', 's("bd*4")', ['techno']); await store.save('pattern2', 's("cp*4")', ['house']); await store.save('pattern3', 's("hh*8")', ['dnb']); const patterns = await store.list(); expect(patterns).toHaveLength(3); expect(patterns.map(p => p.name).sort()).toEqual(['pattern1', 'pattern2', 'pattern3']); }); test('should filter patterns by tag', async () => { await store.save('pattern1', 's("bd*4")', ['techno', 'dark']); await store.save('pattern2', 's("cp*4")', ['house']); await store.save('pattern3', 's("hh*8")', ['techno']); const technoPatterns = await store.list('techno'); expect(technoPatterns).toHaveLength(2); expect(technoPatterns.map(p => p.name).sort()).toEqual(['pattern1', 'pattern3']); }); test('should return patterns sorted by timestamp (newest first)', async () => { await store.save('old', 's("bd*4")'); await new Promise(resolve => setTimeout(resolve, 10)); await store.save('middle', 's("cp*4")'); await new Promise(resolve => setTimeout(resolve, 10)); await store.save('new', 's("hh*8")'); const patterns = await store.list(); expect(patterns[0].name).toBe('new'); expect(patterns[1].name).toBe('middle'); expect(patterns[2].name).toBe('old'); }); test('should return empty array for empty directory', async () => { const patterns = await store.list(); expect(patterns).toEqual([]); }); test('should ignore non-JSON files', async () => { await store.save('valid', 's("bd*4")'); await fs.writeFile(path.join(testDir, 'invalid.txt'), 'not json'); const patterns = await store.list(); expect(patterns).toHaveLength(1); expect(patterns[0].name).toBe('valid'); }); }); describe('edge cases', () => { test('should handle patterns with special characters in content', async () => { const name = 'special'; const content = 's("bd*4").room(0.9)\n// Comment with "quotes"'; await store.save(name, content); const loaded = await store.load(name); expect(loaded!.content).toBe(content); }); test('should handle very long pattern names', async () => { const name = 'a'.repeat(200); const content = 's("bd*4")'; await store.save(name, content); const loaded = await store.load(name); expect(loaded).not.toBeNull(); expect(loaded!.name).toBe(name); }); test('should handle empty tags array', async () => { const name = 'no-tags'; const content = 's("bd*4")'; await store.save(name, content, []); const loaded = await store.load(name); expect(loaded!.tags).toEqual([]); }); test('should handle unicode characters in names', async () => { const name = 'パターン-テスト'; const content = 's("bd*4")'; await store.save(name, content); const loaded = await store.load(name); expect(loaded).not.toBeNull(); expect(loaded!.name).toBe(name); }); }); });