MCP Server Giphy

import { searchGifs, getRandomGif, getTrendingGifs } from "./service.js"; import * as configModule from "./config.js"; import { GiphyGif, GiphyResponse, GiphyRandomResponse } from "./types.js"; import axios from "axios"; // Mock the buildUrl function from the config module jest.mock("./config.js", () => ({ buildUrl: jest.fn(), })); // Mock axios jest.mock("axios"); const mockedAxios = axios as jest.Mocked<typeof axios>; describe("Service Module", () => { // Sample GIF data for testing const mockGif: GiphyGif = { id: "test123", title: "Test GIF", url: "https://giphy.com/gifs/test123", images: { original: { url: "https://media.giphy.com/media/test123/giphy.gif", width: "480", height: "360", }, downsized: { url: "https://media.giphy.com/media/test123/giphy-downsized.gif", width: "240", height: "180", }, preview_gif: { url: "https://media.giphy.com/media/test123/giphy-preview.gif", width: "120", height: "90", }, }, source: "Test Source", import_datetime: "2023-01-01", }; // Reset mocks before each test beforeEach(() => { jest.resetAllMocks(); (configModule.buildUrl as jest.Mock).mockReturnValue( "https://mocked-url.com" ); mockedAxios.get.mockResolvedValue({ data: {} }); }); describe("searchGifs", () => { it("should call buildUrl with the correct parameters", async () => { // Mock the axios response mockedAxios.get.mockResolvedValueOnce({ data: { data: [mockGif], } as GiphyResponse, }); // Call the function await searchGifs({ query: "test query", limit: 10, offset: 0, rating: "g", lang: "en", }); // Verify buildUrl was called with the correct parameters expect(configModule.buildUrl).toHaveBeenCalledWith("search", { q: "test query", limit: 10, offset: 0, rating: "g", lang: "en", }); // Verify axios was called expect(mockedAxios.get).toHaveBeenCalledWith("https://mocked-url.com"); }); it("should handle Axios errors correctly", async () => { // Use a simpler approach to mock the axios error mockedAxios.get.mockImplementation(() => { // Create a custom error with Axios error properties const error = new Error("Request failed"); // Add axios error properties ( error as unknown as { isAxiosError: boolean; response: { status: number; statusText: string }; } ).isAxiosError = true; ( error as unknown as { isAxiosError: boolean; response: { status: number; statusText: string }; } ).response = { status: 400, statusText: "Bad Request", }; return Promise.reject(error); }); await expect(searchGifs({ query: "test" })).rejects.toThrow( "Giphy API error: Request failed" ); }); it("should handle non-Axios errors correctly", async () => { // Regular Error object const regularError = new Error("Network Error"); mockedAxios.get.mockRejectedValueOnce(regularError); await expect(searchGifs({ query: "test" })).rejects.toThrow( "Giphy API error: Network Error" ); }); }); describe("getRandomGif", () => { it("should call buildUrl with the correct parameters", async () => { // Mock the axios response mockedAxios.get.mockResolvedValueOnce({ data: { data: mockGif, } as GiphyRandomResponse, }); // Call the function await getRandomGif({ tag: "test tag", rating: "g", }); // Verify buildUrl was called with the correct parameters expect(configModule.buildUrl).toHaveBeenCalledWith("random", { rating: "g", tag: "test tag", }); // Verify axios was called expect(mockedAxios.get).toHaveBeenCalledWith("https://mocked-url.com"); }); }); describe("getTrendingGifs", () => { it("should call buildUrl with the correct parameters", async () => { // Mock the axios response mockedAxios.get.mockResolvedValueOnce({ data: { data: [mockGif], } as GiphyResponse, }); // Call the function await getTrendingGifs({ limit: 20, offset: 5, rating: "g", }); // Verify buildUrl was called with the correct parameters expect(configModule.buildUrl).toHaveBeenCalledWith("trending", { limit: 20, offset: 5, rating: "g", }); // Verify axios was called expect(mockedAxios.get).toHaveBeenCalledWith("https://mocked-url.com"); }); }); });