fe-middleware/test/imageController.test.ts

import { afterEach, describe, expect, it, jest, spyOn } from "bun:test";
import app from "src/app";
import * as imageService from "src/services/imageService";
import request from "supertest";

afterEach(() => {
  jest.restoreAllMocks();
})

describe("endpoint returns the correct status codes", () => {
  it("should return 200 if successful", async () => {
    const res = await request(app).get("/image");
    expect(res.status).toBe(200);
  });

  it("should return 500 if any error happens", async () => {
    spyOn(imageService, "get").mockImplementation(() => { throw new Error("Controlled error") });

    const res = await request(app).get("/image");

    expect(res.status).toBe(500);
  });
});