import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
import { TestBed, inject, getTestBed } from '@angular/core/testing';

import { Analysis } from './analysis.model';
import { AnalysisService } from './analysis.service';

describe('#getAnalysisList', () => {
  beforeEach(() => {
    TestBed.configureTestingModule({
      // mock HttpClient
      imports: [HttpClientTestingModule],
      providers: [AnalysisService]
    });

  });

  /**
   * HttpTestingController 需要注入it(...)
   * 否则会报错：Cannot read property '__source' of undefined
   */
  it('should be created', inject([HttpTestingController, AnalysisService], (httpMock: HttpTestingController, service: AnalysisService) => {
    const mockUsers = [
      { name: 'Bob', website: 'www.yessss.com' },
      { name: 'Juliette', website: 'nope.com' }
    ];

    expect(service).toBeTruthy();
    // 此时还没有调用接口
    service.getAnalysisList().subscribe(data => {
      expect(data[0].name).toBe('Bob');
    });

    const mockReq = httpMock.expectOne(req => req.method === 'GET' && req.url === '/analysis/currentUser');
    expect(mockReq.cancelled).toBeFalsy();
    expect(mockReq.request.responseType).toEqual('json');

    // 伪造返回值，此时才开始模拟请求
    mockReq.flush(mockUsers);
  }));
});