import { Test, TestingModule } from '@nestjs/testing'; import { BooksController } from './books.controller'; import { BooksService } from './books.service'; describe('BooksController', () => { let controller: BooksController; beforeEach(async () => { const module: TestingModule = await Test.createTestingModule({ controllers: [BooksController], providers: [BooksService], }).compile(); controller = module.get(BooksController); }); it('should be defined', () => { expect(controller).toBeDefined(); }); });