DuckDuckGo Search MCP

import { getCacheKey, clearOldCache, extractDirectUrl, getFaviconUrl, getJinaAiUrl } from '../../src/utils/search.js'; import { jest } from '@jest/globals'; describe('Utils: search.js', () => { let originalCache; beforeEach(() => { // Clear any existing cache jest.clearAllMocks(); }); describe('getCacheKey', () => { test('should generate consistent cache keys', () => { const query = 'test query'; const key1 = getCacheKey(query); const key2 = getCacheKey(query); expect(key1).toBe(key2); }); test('should handle empty queries', () => { const key = getCacheKey(''); expect(key).toBe(''); }); }); describe('clearOldCache', () => { test('should clear old entries only', () => { // Mock the global cache const mockCache = new Map([ ['key1', { timestamp: Date.now() - 600000, results: 'old' }], // 10 min old ['key2', { timestamp: Date.now() - 120000, results: 'recent' }], // 2 min old ['key3', { timestamp: Date.now() - 30000, results: 'new' }] // 30 sec old ]); // Mock global cache global.resultsCache = mockCache; clearOldCache(); // Should only clear entries older than 5 minutes (300000 ms) expect(mockCache.size).toBe(2); expect(mockCache.has('key1')).toBe(false); expect(mockCache.has('key2')).toBe(true); expect(mockCache.has('key3')).toBe(true); }); }); describe('extractDirectUrl', () => { test('should handle DuckDuckGo redirect URLs', () => { const ddgUrl = 'https://duckduckgo.com/l/?uddg=test&url=http://example.com'; const directUrl = extractDirectUrl(ddgUrl); expect(directUrl).toBe('http://example.com'); }); test('should handle relative URLs', () => { const relativeUrl = '/l/?uddg=http://example.com'; const directUrl = extractDirectUrl(relativeUrl); expect(directUrl).toContain('http://example.com'); }); test('should handle ad redirects', () => { const adUrl = 'https://duckduckgo.com/y.js?u3=http://example.com'; const directUrl = extractDirectUrl(adUrl); expect(directUrl).toBe('http://example.com'); }); test('should handle regular URLs unchanged', () => { const regularUrl = 'http://example.com/page'; const directUrl = extractDirectUrl(regularUrl); expect(directUrl).toBe(regularUrl); }); test('should handle malformed URLs gracefully', () => { const malformedUrl = 'not-a-url'; const directUrl = extractDirectUrl(malformedUrl); expect(directUrl).toBe(malformedUrl); }); test('should extract URLs from malformed strings', () => { const stringWithUrl = 'Visit http://example.com for info'; const directUrl = extractDirectUrl(stringWithUrl); expect(directUrl).toBe('http://example.com'); }); }); describe('getFaviconUrl', () => { test('should generate correct favicon URLs', () => { const url = 'https://example.com/page'; const favicon = getFaviconUrl(url); expect(favicon).toBe('https://www.google.com/s2/favicons?domain=example.com&sz=32'); }); test('should handle URLs without protocol', () => { const url = 'example.com/page'; const favicon = getFaviconUrl(url); expect(favicon).toContain('example.com'); }); test('should handle invalid URLs gracefully', () => { const url = 'invalid-url'; const favicon = getFaviconUrl(url); expect(favicon).toBe(''); }); }); describe('getJinaAiUrl', () => { test('should generate correct Jina AI URLs', () => { const url = 'https://example.com/page'; const jinaUrl = getJinaAiUrl(url); expect(jinaUrl).toBe('https://r.jina.ai/https://example.com/page'); }); test('should handle URLs without protocol', () => { const url = 'example.com/page'; const jinaUrl = getJinaAiUrl(url); expect(jinaUrl).toContain('r.jina.ai'); }); test('should handle invalid URLs gracefully', () => { const url = 'invalid-url'; const jinaUrl = getJinaAiUrl(url); expect(jinaUrl).toBe(''); }); }); });