import { Test, TestingModule } from '@nestjs/testing'; import { AppController } from './app.controller'; describe('AppController', () => { let appController: AppController; beforeEach(async () => { const app: TestingModule = await Test.createTestingModule({ controllers: [AppController], providers: [], }).compile(); appController = app.get(AppController); }); describe('root', () => { it('should defined', () => { expect(appController).toBeDefined(); }); }); });