Angular HttpClient (4)

fake-http-client.spec.ts

describe(`FakeHttpClientResponses`, () => {

  it(`should respond with fake data`, async(inject([HttpClient, HttpTestingController],
    (http: HttpClient, backend: HttpTestingController) => {
      http.get('/foo/bar').subscribe((next) => {
        expect(next).toEqual({ baz: '123' });
      });

      backend.match({
        url: '/foo/bar',
        method: 'GET'
      })[0].flush({ baz: '123' });
  })));

});