import {fakeAsync, flush, TestBed} from '@angular/core/testing';
import { ObservationService } from './observation.service';
import {HttpClientTestingModule} from '@angular/common/http/testing';
import {
  ObservationTable,
  ScanningObservationTable
} from '@nspop/gm-web-facade-api';
import {of} from 'rxjs/internal/observable/of';

describe('ObservationService', () => {
  let service: ObservationService;

  beforeEach(() => {
    TestBed.configureTestingModule({
      imports: [HttpClientTestingModule],
      providers: [],
    });
    service = TestBed.inject(ObservationService);

    service.getUltrasoundObservationTable = () => of({mother: {}} as any);
    service.getClinicalObservationTable = () => of({mother: {}} as any);
  });

  it('should be created', () => {
    expect(service).toBeTruthy();
  });

  it('updates carePlan$ when asked to refresh', fakeAsync(() => {
    spyOn(service, 'refresh').and.callThrough();
    service.refresh();
    flush();
    let called = false;
    service.ultrasoundObservationTable$.subscribe((ultraSoundObservationTable: ScanningObservationTable | undefined) => {
      expect(ultraSoundObservationTable).toBeDefined();
      called = true;
    });
    expect(service.refresh).toHaveBeenCalledTimes(1);
    expect(called).toBeTrue();
  }));

  it('updates activities$ when asked to refresh', fakeAsync(() => {
    spyOn(service, 'refresh').and.callThrough();
    service.refresh();
    flush();
    let called = false;
    service.clinicalObservationTable$.subscribe((clinicalObservationTable: ObservationTable | undefined) => {
      expect(clinicalObservationTable).toBeDefined();
      called = true;
    });
    expect(service.refresh).toHaveBeenCalledTimes(1);
    expect(called).toBeTrue();
  }));
});