Javascript e2e测试NestJS时使用测试数据库
在这个项目中,它使用NestJS和TypeORM。对于真正的API请求,CRUD操作是在MySQL(使用AWS RDS)上操作的 现在我尝试使用SQLite(内存中)来测试API结果 我在单元测试中成功地实现了这一点,如下代码所示 首先,下面是Javascript e2e测试NestJS时使用测试数据库,javascript,nestjs,e2e-testing,typeorm,Javascript,Nestjs,E2e Testing,Typeorm,在这个项目中,它使用NestJS和TypeORM。对于真正的API请求,CRUD操作是在MySQL(使用AWS RDS)上操作的 现在我尝试使用SQLite(内存中)来测试API结果 我在单元测试中成功地实现了这一点,如下代码所示 首先,下面是创建内存db.ts,它返回到内存中SQLite数据库的连接 type Entity = Function | string | EntitySchema<any>; export async function createMemoryDB(e
创建内存db.ts
,它返回到内存中SQLite数据库的连接
type Entity = Function | string | EntitySchema<any>;
export async function createMemoryDB(entities: Entity[]) {
return createConnection({
type: 'sqlite',
database: ':memory:',
entities,
logging: false,
synchronize: true,
});
}
任何帮助都将不胜感激。谢谢:)
- 更新:尝试以下操作后出现新错误
好的,我通过在
Test.createTestingModule
的imports字段中使用TypeOrm.forRoot()
解决了这个问题。下面是我是如何做到的
describe('UserController (e2e)', () => {
let userService: UserService;
let userRepository: Repository<User>;
let app: INestApplication;
const NAME = 'NAME';
const EMAIL = 'test@test.com';
const PASSWORD = '12345asbcd';
beforeAll(async () => {
const moduleFixture: TestingModule = await Test.createTestingModule({
imports: [
UserModule,
TypeOrmModule.forRoot({
type: 'sqlite',
database: ':memory:',
entities: [User],
logging: true,
synchronize: true,
}),
],
}).compile();
app = moduleFixture.createNestApplication();
await app.init();
userRepository = moduleFixture.get('UserRepository');
userService = new UserService(userRepository);
});
afterAll(async () => {
await app.close();
});
afterEach(async () => {
await userRepository.query('DELETE FROM users');
});
});
description('UserController(e2e)'),()=>{
让userService:userService;
让userRepository:Repository;
let-app:不适用;
常量名称='NAME';
常数电子邮件test@test.com';
常量密码='12345asbcd';
之前(异步()=>{
常量ModuleTexture:TestingModule=Wait Test.createTestingModule({
进口:[
用户模块,
TypeOrmModule.forRoot({
类型:“sqlite”,
数据库:':内存:',
实体:[用户],
日志记录:是的,
同步:对,
}),
],
}).compile();
app=moduleTexture.createNestApplication();
等待app.init();
userRepository=moduleFixture.get('userRepository');
userService=新的userService(userRepository);
});
毕竟(异步()=>{
等待app.close();
});
每次之后(异步()=>{
等待userRepository.query('DELETE FROM users');
});
});
这对我真的很有帮助!谢谢你自己的回答。@CasimirCrystal我很乐意:)
// user.e2e-spec.ts
describe('UserController (e2e)', () => {
let userController: UserController;
let userService: UserService;
let userRepository: Repository<User>;
let connection: Connection;
let app: INestApplication;
const NAME = 'NAME';
const EMAIL = 'test@test.com';
const PASSWORD = '12345asbcd';
beforeAll(async () => {
connection = await createMemoryDB([User]);
userRepository = await connection.getRepository(User);
userService = new UserService(userRepository);
userController = new UserController(userService);
const moduleFixture: TestingModule = await Test.createTestingModule({
imports: [],
controllers: [UserController],
providers: [UserService],
}).compile();
app = moduleFixture.createNestApplication();
await app.init();
});
afterAll(async () => {
await connection.close();
});
afterEach(async () => {
// await userRepository.query('DELETE FROM users');
});
it('[POST] /user : Response is OK if conditions are right', () => {
const dto = new UserCreateDto();
dto.name = NAME;
dto.email = EMAIL;
dto.password = PASSWORD;
return request(app.getHttpServer())
.post('/user')
.send(JSON.stringify(dto))
.expect(HttpStatus.CREATED);
});
});
Nest can't resolve dependencies of the UserService (?). Please make sure that the argument UserRepository at index[0] is available in the RootTestModule context.
Potential solutions:
- If UserRepository is a provider, is it part of the current RootTestModule?
- If UserRepository is exported from a seperate @Module, is that module imported within RootTestModule?
@Module({
imports: [/* The module containing UserRepository */]
})
TypeError: Cannot read property 'getHttpServer' of undefined.
describe('UserController (e2e)', () => {
let userService: UserService;
let userRepository: Repository<User>;
let connection: Connection;
let app: INestApplication;
const NAME = 'NAME';
const EMAIL = 'test@test.com';
const PASSWORD = '12345asbcd';
beforeAll(async () => {
connection = await createMemoryDB([User]);
userRepository = await connection.getRepository(User);
userService = new UserService(userRepository);
const moduleFixture: TestingModule = await Test.createTestingModule({
imports: [UserModule],
})
.overrideProvider(UserService)
.useClass(userService)
.compile();
app = moduleFixture.createNestApplication();
await app.init();
});
afterAll(async () => {
await connection.close();
});
afterEach(async () => {
await userRepository.query('DELETE FROM users');
});
it('[POST] /user : Response is OK if conditions are right', async () => {
const dto = new UserCreateDto();
dto.name = NAME;
dto.email = EMAIL;
dto.password = PASSWORD;
const result = await request(app.getHttpServer())
.post('/user')
.send(JSON.stringify(dto))
.expect({ status: HttpStatus.CREATED });
});
});
TypeError: metatype is not a constructor.
TypeError: Cannot read property 'getHttpServer' of undefined.
describe('UserController (e2e)', () => {
let userService: UserService;
let userRepository: Repository<User>;
let app: INestApplication;
const NAME = 'NAME';
const EMAIL = 'test@test.com';
const PASSWORD = '12345asbcd';
beforeAll(async () => {
const moduleFixture: TestingModule = await Test.createTestingModule({
imports: [
UserModule,
TypeOrmModule.forRoot({
type: 'sqlite',
database: ':memory:',
entities: [User],
logging: true,
synchronize: true,
}),
],
}).compile();
app = moduleFixture.createNestApplication();
await app.init();
userRepository = moduleFixture.get('UserRepository');
userService = new UserService(userRepository);
});
afterAll(async () => {
await app.close();
});
afterEach(async () => {
await userRepository.query('DELETE FROM users');
});
});