'router-outlet' is not a known element

Question

I have a mvc 5 project with a angular frontend . I wanted to add routing as described in this tutorial https://angular.io/guide/router. So in my _Layout.cshtml I ad

Answer 1

If you are doing unit testing and get this error then Import RouterTestingModule into your app.component.spec.ts or inside your featured components' spec.ts:

import { RouterTestingModule } from '@angular/router/testing';

Add RouterTestingModule into your imports: [] like

describe('AppComponent', () => {

  beforeEach(async(() => {    
    TestBed.configureTestingModule({    
      imports: [    
        RouterTestingModule    
      ],
      declarations: [    
        AppComponent    
      ],    
    }).compileComponents();    
  }));