import app from "../src/index.js"; // สมมติว่าคุณ export app จาก src/index.js import request from "supertest"; // ปิด server หลังจากเทสเสร็จ afterAll((done) => { app.server.close(done); }); describe("GET /health", () => { it("should respond with 200 OK and a health message", async () => { const response = await request(app).get("/health"); expect(response.statusCode).toBe(200); expect(response.text).toContain("Backend is healthy"); }); });