相关疑难解决方法(0)

假设我有一个使用HttpClient的服务,

@Injectable()
export class MyService {
  constructor(protected httpClient: HttpClient) { .. }
}

然后是一个使用此服务的组件.

@Component({
  selector: 'my-component'
})

export class SendSmsComponent {
  constructor(private MyService) { .. }
}

如何在模拟HttpClient而不是整个服务的同时测试这个组件？

TestBed.configureTestingModule({
  declarations: [MyComponent],
  providers: [
    { provide: MyService, useClass: MyService } // ?
  ]
}).compileComponents();

httpMock = TestBed.get(HttpTestingController); // ?