mcp-youtube

import createServer from "../index"; import { configSchema } from "../server"; import { z } from "zod"; import * as databaseService from "../services/database.service"; // Import the module to mock // Mock the initializeDatabase function jest.mock("../services/database.service", () => ({ ...jest.requireActual("../services/database.service"), // Keep actual implementations for other exports initializeDatabase: jest.fn(), // Mock initializeDatabase })); describe("createServer", () => { const originalEnv = process.env; beforeEach(() => { jest.resetModules(); process.env = { ...originalEnv }; // Clear any previous calls to the mock (databaseService.initializeDatabase as jest.Mock).mockClear(); }); afterEach(() => { process.env = originalEnv; }); it("should call initializeDatabase with the correct connection string if provided", () => { const mockConnectionString = "mongodb://test"; const config: z.infer<typeof configSchema> = { youtubeApiKey: "test-key", mdbMcpConnectionString: mockConnectionString, }; createServer({ config }); expect(databaseService.initializeDatabase).toHaveBeenCalledTimes(1); expect(databaseService.initializeDatabase).toHaveBeenCalledWith( mockConnectionString ); }); it("should not call initializeDatabase if mdbMcpConnectionString is not provided", () => { const config: z.infer<typeof configSchema> = { youtubeApiKey: "test-key", // mdbMcpConnectionString is optional and not provided }; createServer({ config }); expect(databaseService.initializeDatabase).not.toHaveBeenCalled(); }); it("should not call initializeDatabase if mdbMcpConnectionString is an empty string", () => { const config: z.infer<typeof configSchema> = { youtubeApiKey: "test-key", mdbMcpConnectionString: "", }; createServer({ config }); expect(databaseService.initializeDatabase).not.toHaveBeenCalled(); }); });