import { INestApplication } from "@nestjs/common"; import { Test, TestingModule } from "@nestjs/testing"; import * as request from "supertest"; import { AppModule } from "./../src/app.module"; describe("AppController (e2e)", () => { let app: INestApplication; beforeEach(async () => { const moduleFixture: TestingModule = await Test.createTestingModule({ imports: [AppModule], }).compile(); app = moduleFixture.createNestApplication(); await app.init(); }); it("/ (GET)", () => { return request(app.getHttpServer()) .get("/") .expect(200) .expect("Hello World!"); }); });