Gửi các request tới server thông qua TDD

flickr-fetcher-spec.js

// flickr-fetcher-spec.js
describe("#fetchFlickrData()", function() {
  it("should take an API key and fetcher function argument and return a promise for JSON data.", function() {
    var apiKey = "does not matter much what this is right now",
      fakeData = {
        photos: {
          page: 1,
          pages: 2872,
          perpage: 100,
          total: "287170",
          photo: [
            {
              id: "24770505034",
              owner: "97248275@N03",
              secret: "31a9986429",
              server: "1577",
              farm: 2,
              title: "20160229090898",
              ispublic: 1,
              isfriend: 0,
              isfamily: 0,
            },
            {
              id: "24770504484",
              owner: "97248275@N03",
              secret: "69dd90d5dd",
              server: "1451",
              farm: 2,
              title: "20160229090903",
              ispublic: 1,
              isfriend: 0,
              isfamily: 0,
            },
          ],
        },
      },
      fakeFetcher = function(url) {
        var expectedURL =
          "https://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=" +
          apiKey +
          "&text=pugs&format=json&nojsoncallback=1";
        expect(url).to.equal(expectedURL);
        return Promise.resolve(fakeData);
      };
    return FlickrFetcher.fetchFlickrData(apiKey, fakeFetcher).then(function(
      actual,
    ) {
      expect(actual).to.eql(fakeData);
    });
  });
});