import { TestBed, async } from '@angular/core/testing'; import { RouterTestingModule } from '@angular/router/testing'; import { AppComponent } from './app.component'; import { TranslateModule } from '@ngx-translate/core'; import { ElectronService } from './providers/electron.service'; describe('AppComponent', () => { beforeEach(async(() => { TestBed.configureTestingModule({ declarations: [ AppComponent ], providers: [ ElectronService ], imports: [ RouterTestingModule, TranslateModule.forRoot() ] }).compileComponents(); })); it('should create the app', async(() => { const fixture = TestBed.createComponent(AppComponent); const app = fixture.debugElement.componentInstance; expect(app).toBeTruthy(); })); }); class TranslateServiceStub { setDefaultLang(lang: string): void { } }