Code Snippet Server

import { jest } from "@jest/globals"; import { GoogleAuthService } from "../google-auth-service"; import { GoogleBaseService } from "../google-base-service"; import { OAuth2Client } from "google-auth-library"; jest.mock("../google-auth-service"); class TestGoogleService extends GoogleBaseService { constructor() { super(); } public async testInit(): Promise<void> { await this.waitForInit(); } } describe("GoogleBaseService", () => { let mockAuth: jest.Mocked<GoogleAuthService>; let service: TestGoogleService; beforeEach(() => { mockAuth = { initialize: jest.fn().mockImplementation(() => Promise.resolve()), authenticate: jest.fn().mockImplementation(() => Promise.resolve()), getAuth: jest.fn().mockReturnValue(new OAuth2Client()), saveToken: jest.fn().mockImplementation(() => Promise.resolve()), } as unknown as jest.Mocked<GoogleAuthService>; (GoogleAuthService.getInstance as jest.Mock).mockReturnValue(mockAuth); service = new TestGoogleService(); }); it("should initialize successfully", async () => { await expect(service.testInit()).resolves.not.toThrow(); expect(mockAuth.initialize).toHaveBeenCalled(); expect(mockAuth.authenticate).toHaveBeenCalled(); }); it("should handle initialization failure", async () => { mockAuth.initialize.mockRejectedValueOnce(new Error("Init failed")); await expect(service.testInit()).rejects.toThrow("Init failed"); }); it("should handle authentication failure", async () => { mockAuth.authenticate.mockRejectedValueOnce(new Error("Auth failed")); await expect(service.testInit()).rejects.toThrow("Auth failed"); }); });