Cloud-CV/EvalAI

import { Location } from '@angular/common';
import { TestBed, fakeAsync, tick, async } from '@angular/core/testing';
import { RouterTestingModule } from '@angular/router/testing';
import { Router } from '@angular/router';
import { GlobalService } from './services/global.service';
import { AuthService } from './services/auth.service';
import { EndpointsService } from './services/endpoints.service';
import { AppComponent } from './app.component';
import { HomeComponent } from './components/home/home.component';
import { HomemainComponent } from './components/home/homemain/homemain.component';
import { ToastComponent } from './components/utility/toast/toast.component';
import { HeaderStaticComponent } from './components/nav/header-static/header-static.component';
import { ApiService } from './services/api.service';
import { HttpClientModule } from '@angular/common/http';
import { FooterComponent } from './components/nav/footer/footer.component';
import { LoadingComponent } from './components/utility/loading/loading.component';
import { ConfirmComponent } from './components/utility/confirm/confirm.component';
import { ModalComponent } from './components/utility/modal/modal.component';
import { NO_ERRORS_SCHEMA } from '@angular/core';

describe('AppComponent', () => {
  let location: Location;
  let router: Router;
  let fixture;

  beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [
        AppComponent,
        HomeComponent,
        HeaderStaticComponent,
        FooterComponent,
        ToastComponent,
        LoadingComponent,
        ConfirmComponent,
        HomemainComponent,
      ],
      imports: [RouterTestingModule, HttpClientModule],
      providers: [GlobalService, AuthService, ApiService, ModalComponent, EndpointsService],
      schemas: [NO_ERRORS_SCHEMA],
    }).compileComponents();

    router = TestBed.get(Router);
    location = TestBed.get(Location);

    fixture = TestBed.createComponent(AppComponent);
    router.initialNavigation();
  }));

  // Mocking promis
  it('fakeAsync works', fakeAsync(() => {
    const promise = new Promise((resolve) => {
      setTimeout(resolve, 10);
    });
    let done = false;
    promise.then(() => (done = true));
    tick(50);
    expect(done).toBeTruthy();
  }));

  // mocking routes location
  it('navigate to "" set location to root', fakeAsync(() => {
    router.navigate(['/']);
    tick(50);
    expect(location.path()).toBe('/');
  }));

  // creation of app done
  it('should create the app', async(() => {
    const compFixture = TestBed.createComponent(AppComponent);
    const app = compFixture.debugElement.componentInstance;
    expect(app).toBeTruthy();
  }));
});