Angular HttpClient (3)

fake-http-client.spec.ts

describe(`FakeHttpClientResponses`, () => {

  it(`should expect a GET /foo/bar`, async(inject([HttpClient, HttpTestingController],
    (http: HttpClient, backend: HttpTestingController) => {
      http.get('/foo/bar').subscribe();

      backend.expectOne({
        url: '/foo/bar',
        method: 'GET'
      });
  })));
  
  it(`should not issue a PUT request`, async(inject([HttpClient, HttpTestingController],
    (http: HttpClient, backend: HttpTestingController) => {
      http.post('/allez', { value: 123 }).subscribe();
      http.get('/allez').subscribe();
      http.delete('/allez').subscribe();

      backend.expectNone((req: HttpRequest<any>) => {
        return req.method === 'PUT';
      });
  })));

  it(`should NOT fail when sending an un-matched request`, async(inject([HttpClient, HttpTestingController],
    (http: HttpClient, backend: HttpTestingController) => {
      http.get('/foo/bar').subscribe();

      backend.match('/foo');
  })));

  it(`should fail when verifying an un-matched request`, async(inject([HttpClient, HttpTestingController],
    (http: HttpClient, backend: HttpTestingController) => {
      http.get('/foo/bar').subscribe();

      backend.match('/foo');
      backend.verify();
  })));

  it(`should fail when not sending an expected request`, async(inject([HttpClient, HttpTestingController],
    (http: HttpClient, backend: HttpTestingController) => {
      http.get('/foo/bar').subscribe();

      backend.expectOne('/foo');
  })));

  it(`should fail when sending an non-expected request`, async(inject([HttpClient, HttpTestingController],
    (http: HttpClient, backend: HttpTestingController) => {
      http.get('/foo/bar').subscribe();

      backend.expectNone('/foo/bar');
  })));
  
});