haingdc

// flickr-fetcher.js
fetchFlickrData: function(apiKey, fetch) {
    var url = 'https://api.flickr.com/services/rest/?method=flickr.photos.search&api_key='
            + apiKey + '&text=pugs&format=json&nojsoncallback=1'
    return fetch(url).then(function(data) {
        return data;
    });
}

haingdc

// 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(done) {
    var apiKey = "does not matter much what this is right now",
      fakeData = {
        photos: {
          page: 1,
          pages: 2872,
          perpage: 100,
          total: "287170",

haingdc

fetchFlickrData: function(apiKey, fetch) {

    // ...
}

haingdc

// flickr-fetcher.js
//… lược bớt cho ngắn gọn …
transformPhotoObj: function(photoObj) {
    return {
        title: photoObj.title,
        url:   FlickrFetcher.photoObjToURL(photoObj)
    };
}

haingdc

describe('#transformPhotoObj()', function() {
    it('should take a photo object and return an object with just title and URL', function() {
        var input = {
                id:       '25373736106',
                owner:    '99117316@N03',
                secret:   '146731fcb7',
                server:   '1669',
                farm:     2,
                title:    'Dog goes to desperate measure to avoid walking on a leash',
                ispublic: 1,

haingdc

transformPhotoObj: function() {
    return {
        title: 'Dog goes to desperate measure to avoid walking on a leash',
        url:   'https://farm2.staticflickr.com/1669/25373736106_146731fcb7_b.jpg'
    };
}

haingdc

// flickr-fetcher-spec.js
describe('#transformPhotoObj()', function() {
    it('should take a photo object and return an object with just title and URL', function() {
        var input = {
                id:       '25373736106',
                owner:    '99117316@N03',
                secret:   '146731fcb7',
                server:   '1669',
                farm:     2,
                title:    'Dog goes to desperate measure to avoid walking on a leash',

haingdc

FlickrFetcher = {
    photoObjToURL: function(photoObj) {
        return [ 'https://farm',
            photoObj.farm, '.staticflickr.com/', 
            photoObj.server, '/',
            photoObj.id, '_',
            photoObj.secret, '_b.jpg'
        ].join('');
    }
};

haingdc

// flickr-fetcher.js
FlickrFetcher = {
    photoObjToURL: function(photoObj) {
        return 'https://farm' + photoObj.farm + '.staticflickr.com/' + photoObj.server + '/' + photoObj.id + '_' +
            photoObj.secret + '_b.jpg';
    }
};

haingdc

// flickr-fetcher-spec.js
describe('#photoObjToURL()', function() {
    it('should take a photo object from Flickr and return a string', function() {
        var input = {
            id:       '24770505034',
            owner:    '97248275@N03',
            secret:   '31a9986429',
            server:   '1577',
            farm:     2,
            title:    '20160229090898',