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