import { TestBed } from '@angular/core/testing';
import { WptSnackBar } from '@arrow/warpaint/snack-bar';
import { Observable } from 'rxjs';
import { BomNotificationService } from './bom-notification.service';

const wptSnackBarSpyObj = new WptSnackBar(null, null, null, null, null, null);
wptSnackBarSpyObj.open = jasmine.createSpy().and.returnValue({
  onAction: () => new Observable<any>()
});

describe('BomNotificationService', () => {
  beforeEach(() => TestBed.configureTestingModule({
    providers: [
      BomNotificationService,
      { provide: WptSnackBar, useValue: wptSnackBarSpyObj }
    ]
  }));

  it('should be created', () => {
    const service: BomNotificationService = TestBed.inject(BomNotificationService);
    expect(service).toBeTruthy();
  });

  it('should have a notify method', () => {
    const service: BomNotificationService = TestBed.inject(BomNotificationService);
    expect(service.notify).toBeDefined();
  });

  it('should return null if no action is specified ', () => {
    const service: BomNotificationService = TestBed.inject(BomNotificationService);
    const returnedValue = service.notify('test');
    expect(returnedValue).toBeNull();
  });

  it('should return an observable if an action is specified ', () => {
    const service: BomNotificationService = TestBed.inject(BomNotificationService);
    const returnedValue = service.notify('test', 'action');
    expect(returnedValue).toBeTruthy();
  });
});