chrome/test/data/extensions/api_test/wallpaper/test.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 var pass = chrome.test.callbackPass;
   6 var fail = chrome.test.callbackFail;
   7
   8 chrome.test.getConfig(function(config) {
   9
  10   var baseURL = "http://a.com:" + config.testServer.port +
  11       "/extensions/api_test/wallpaper/";
  12
  13   /*
  14    * Calls chrome.wallpaper.setWallpaper using an arraybuffer.
  15    * @param {string} filePath An extension relative file path.
  16    */
  17   var testSetWallpaperFromArrayBuffer = function (filePath) {
  18     // Loads an extension local file to an arraybuffer.
  19     var url = chrome.runtime.getURL(filePath);
  20     var wallpaperRequest = new XMLHttpRequest();
  21     wallpaperRequest.open('GET', url, true);
  22     wallpaperRequest.responseType = 'arraybuffer';
  23     try {
  24       wallpaperRequest.send(null);
  25       wallpaperRequest.onloadend = function(e) {
  26         if (wallpaperRequest.status === 200) {
  27           chrome.wallpaper.setWallpaper(
  28               {'data': wallpaperRequest.response,
  29                'layout': 'CENTER_CROPPED',
  30                'filename': 'test'},
  31               // Set wallpaper directly with an arraybuffer should pass.
  32               pass()
  33           );
  34         } else {
  35           chrome.test.fail('Failed to load local file: ' + filePath + '.');
  36         }
  37       };
  38     } catch (e) {
  39       console.error(e);
  40       chrome.test.fail('An error thrown when requesting wallpaper.');
  41     }
  42   };
  43
  44   /*
  45    * Calls chrome.wallpaper.setWallpaper using an URL.
  46    * @param {string} relativeURL The relative URL of an online image.
  47    * @param {boolean} success True if expecting the API call success.
  48    * @param {string=} optExpectedError The expected error string if API call
  49    *     failed. An error string must be provided if success is set to false.
  50    */
  51   var testSetWallpaperFromURL = function (relativeURL,
  52                                           success,
  53                                           optExpectedError) {
  54     var url = baseURL + relativeURL;
  55     if (success) {
  56       chrome.wallpaper.setWallpaper(
  57           {'url': url,
  58            'layout': 'CENTER_CROPPED',
  59            'filename': 'test'},
  60            // A valid url should set wallpaper correctly.
  61            pass()
  62       );
  63     } else {
  64       if (optExpectedError == undefined) {
  65         chrome.test.fail('No expected error string is provided.');
  66         return;
  67       }
  68       chrome.wallpaper.setWallpaper(
  69          {'url': url,
  70           'layout': 'CENTER_CROPPED',
  71           'filename': 'test'},
  72           // Expect a failure.
  73           fail(optExpectedError));
  74     }
  75   };
  76
  77   chrome.test.runTests([
  78     function setJpgWallpaperFromAppLocalFile() {
  79       testSetWallpaperFromArrayBuffer('test.jpg');
  80     },
  81     function setPngWallpaperFromAppLocalFile() {
  82       testSetWallpaperFromArrayBuffer('test.png');
  83     },
  84     function setJpgWallpaperFromURL () {
  85       testSetWallpaperFromURL('test.jpg', true);
  86     },
  87     function setPngWallpaperFromURL () {
  88       testSetWallpaperFromURL('test.png', true);
  89     },
  90     function setNoExistingWallpaperFromURL () {
  91       // test1.jpg doesn't exist. Expect a 404 error.
  92       var expectError =
  93           'Downloading wallpaper test1.jpg failed. The response code is 404.';
  94       testSetWallpaperFromURL('test1.jpg',
  95                               false,
  96                               expectError);
  97     },
  98     function newRequestCancelPreviousRequest() {
  99       // The first request should be canceled.
 100       testSetWallpaperFromURL('test.png',
 101                               false,
 102                               'Set wallpaper was canceled.');
 103       testSetWallpaperFromURL('test.jpg', true);
 104     }
 105   ]);
 106 });