import { Test, TestingModule } from '@nestjs/testing'; import { TasksController } from './tasks.controller'; import { TasksService } from './tasks.service'; describe('TasksController', () => { let tasksController: TasksController; beforeEach(async () => { const app: TestingModule = await Test.createTestingModule({ controllers: [TasksController], providers: [TasksService], }).compile(); tasksController = app.get(TasksController); }); describe('root', () => { it('should return "Hello World!"', () => { expect(tasksController.getHello()).toBe('Hello World!'); }); }); });