Angular how not to import all the dependencies in component unit tests each time

Question

I have a working app(when run ng serve all works fine) however, when I run ng test compiler complains about not recognizing directives/properties such as Can't bind to 'formControl' since it isn't a known property of 'input'. When I add

TestBed.configureTestingModule({
      declarations: [
        AppComponent,
        SomeComponent
      ],
      imports: [
        BrowserModule,
        AppRoutingModule,
        HttpClientModule,
        .. other dependencies
    ]

what is the smart way not to add all the imports that I have already added in the app.module ?

UPDATE: I am talking about unit testing a component.

Answer 1

Your tests are Independent from your app.module. So you need to import all needed modules.

If you want, you can do a shared.module.ts where you have all the modules for test:

const MODULE_DEPENDENCIES = [
  TranslateModule,
  HttpClientModule,
  ReactiveFormsModule,
  ScrollingModule,
  MatFormFieldModule,
  MatInputModule,
];

@NgModule({
  imports: MODULE_DEPENDENCIES,
  exports: [
    ...MODULE_DEPENDENCIES
  ],
})

export class SharedModule {
  constructor() { }

  }
}