import { TestBed, inject } from '@angular/core/testing'; import { AuthInterceptorService } from './auth-interceptor.service'; import { Router } from '@angular/router'; describe('AuthInterceptorService', () => { const routerSpy = jasmine.createSpyObj('Router', ['navigate']); beforeEach(() => { TestBed.configureTestingModule({ providers: [ AuthInterceptorService, { provide: Router, useValue: routerSpy } ] }); }); it('should be created', inject([AuthInterceptorService], (service: AuthInterceptorService) => { expect(service).toBeTruthy(); })); });