mcp-youtube

import { YoutubeService } from "../../youtube.service"; import { CacheService } from "../../cache.service"; // Import CacheService import { mocked } from "../../../__tests__/utils/mocks"; // Mock CacheService jest.mock("../../cache.service"); const MockCacheService = CacheService; describe("YoutubeService calculatePublishedAfter", () => { let youtubeService: YoutubeService; let mockCacheService: jest.Mocked<CacheService>; const ALLOWED_DRIFT_MS = 5000; // 5 seconds tolerance const DUMMY_API_KEY = "dummy-api-key"; beforeEach(() => { jest.clearAllMocks(); mockCacheService = mocked(new MockCacheService()); youtubeService = new YoutubeService(DUMMY_API_KEY, mockCacheService); }); it("should return an ISO string for pastHour approximately one hour ago", () => { const beforeTimestamp = Date.now(); const result = (youtubeService as any).calculatePublishedAfter("pastHour"); expect(new Date(result).toISOString()).toBe(result); // Validate ISO string const resultTimestamp = new Date(result).getTime(); const expectedTimestamp = beforeTimestamp - 60 * 60 * 1000; expect(resultTimestamp).toBeGreaterThanOrEqual( expectedTimestamp - ALLOWED_DRIFT_MS ); // The result should be in the past, so it should be less than or equal to the 'before' time, // and also less than or equal to the 'expected' time plus some drift (in case of fast execution). expect(resultTimestamp).toBeLessThanOrEqual( expectedTimestamp + ALLOWED_DRIFT_MS ); }); it("should return an ISO string for pastDay approximately one day ago", () => { const beforeTimestamp = Date.now(); const result = (youtubeService as any).calculatePublishedAfter("pastDay"); expect(new Date(result).toISOString()).toBe(result); const resultTimestamp = new Date(result).getTime(); const expectedTimestamp = beforeTimestamp - 24 * 60 * 60 * 1000; expect(resultTimestamp).toBeGreaterThanOrEqual( expectedTimestamp - ALLOWED_DRIFT_MS ); expect(resultTimestamp).toBeLessThanOrEqual( expectedTimestamp + ALLOWED_DRIFT_MS ); }); it("should return an ISO string for pastWeek approximately one week ago", () => { const beforeTimestamp = Date.now(); const result = (youtubeService as any).calculatePublishedAfter("pastWeek"); expect(new Date(result).toISOString()).toBe(result); const resultTimestamp = new Date(result).getTime(); const expectedTimestamp = beforeTimestamp - 7 * 24 * 60 * 60 * 1000; expect(resultTimestamp).toBeGreaterThanOrEqual( expectedTimestamp - ALLOWED_DRIFT_MS ); expect(resultTimestamp).toBeLessThanOrEqual( expectedTimestamp + ALLOWED_DRIFT_MS ); }); it("should return an ISO string for pastMonth approximately 30 days ago", () => { const beforeTimestamp = Date.now(); const result = (youtubeService as any).calculatePublishedAfter("pastMonth"); expect(new Date(result).toISOString()).toBe(result); const resultTimestamp = new Date(result).getTime(); const expectedDate = new Date(beforeTimestamp - 30 * 24 * 60 * 60 * 1000); expectedDate.setDate(1); const expectedTimestamp = expectedDate.getTime(); expect(resultTimestamp).toBeGreaterThanOrEqual( expectedTimestamp - ALLOWED_DRIFT_MS ); expect(resultTimestamp).toBeLessThanOrEqual( expectedTimestamp + ALLOWED_DRIFT_MS ); }); it("should return an ISO string for pastQuarter approximately 90 days ago", () => { const beforeTimestamp = Date.now(); const result = (youtubeService as any).calculatePublishedAfter( "pastQuarter" ); expect(new Date(result).toISOString()).toBe(result); const resultTimestamp = new Date(result).getTime(); const expectedDate = new Date(beforeTimestamp - 90 * 24 * 60 * 60 * 1000); expectedDate.setDate(1); const expectedTimestamp = expectedDate.getTime(); expect(resultTimestamp).toBeGreaterThanOrEqual( expectedTimestamp - ALLOWED_DRIFT_MS ); expect(resultTimestamp).toBeLessThanOrEqual( expectedTimestamp + ALLOWED_DRIFT_MS ); }); it("should return an ISO string for pastYear approximately 365 days ago", () => { const beforeTimestamp = Date.now(); const result = (youtubeService as any).calculatePublishedAfter("pastYear"); expect(new Date(result).toISOString()).toBe(result); const resultTimestamp = new Date(result).getTime(); const expectedDate = new Date(beforeTimestamp - 365 * 24 * 60 * 60 * 1000); expectedDate.setDate(1); const expectedTimestamp = expectedDate.getTime(); expect(resultTimestamp).toBeGreaterThanOrEqual( expectedTimestamp - ALLOWED_DRIFT_MS ); expect(resultTimestamp).toBeLessThanOrEqual( expectedTimestamp + ALLOWED_DRIFT_MS ); }); it("should return an empty string for an invalid recency value", () => { const result = (youtubeService as any).calculatePublishedAfter( "invalidRecencyValue" ); expect(result).toBe(""); }); it('should return an empty string for "any" recency value if that means no filter', () => { // This test assumes 'any' should result in an empty string, meaning no 'publishedAfter' filter. // Adjust if 'any' has a different meaning or if it's not a valid input that leads to empty string. const result = (youtubeService as any).calculatePublishedAfter("any"); expect(result).toBe(""); }); });