import { afterEach, describe, expect, it, mock } from "bun:test"; import app from "src/app"; import ImageService from "src/services/ImageService"; import request from "supertest"; const imageServiceOriginal = ImageService; afterEach(() => { mock.restore(); mock.module("src/services/ImageService", () => ({ default: imageServiceOriginal, })); }) describe("endpoint returns the correct status codes", () => { it("should return 200 if successful", async () => { // Can't mock ImageService partially because of bun incomplete implementation of testing :( // It goes to the network directly to test const res = await request(app).get("/image"); expect(res.status).toBe(200); }); it("should return 500 if any error happens", async () => { mock.module("src/services/ImageService", () => { return { default: { get: () => { throw new Error("Controlled error"); } } } }); const res = await request(app).get("/image"); expect(res.status).toBe(500); }); })