Revert 251087 "Add wallpaper api tests"

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

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-var pass = chrome.test.callbackPass;
-var fail = chrome.test.callbackFail;
-
-chrome.test.getConfig(function(config) {
-
-  var baseURL = "http://a.com:" + config.testServer.port +
-      "/extensions/api_test/wallpaper/";
-
-  /*
-   * Calls chrome.wallpaper.setWallpaper using an arraybuffer.
-   * @param {string} filePath An extension relative file path.
-   */
-  var testSetWallpaperFromArrayBuffer = function (filePath) {
-    // Loads an extension local file to an arraybuffer.
-    var url = chrome.runtime.getURL(filePath);
-    var wallpaperRequest = new XMLHttpRequest();
-    wallpaperRequest.open('GET', url, true);
-    wallpaperRequest.responseType = 'arraybuffer';
-    try {
-      wallpaperRequest.send(null);
-      wallpaperRequest.onloadend = function(e) {
-        if (wallpaperRequest.status === 200) {
-          chrome.wallpaper.setWallpaper(
-              {'wallpaperData': wallpaperRequest.response,
-               'layout': 'CENTER_CROPPED',
-               'name': 'test'},
-              // Set wallpaper directly with an arraybuffer should pass.
-              pass()
-          );
-        } else {
-          chrome.test.fail('Failed to load local file: ' + filePath + '.');
-        }
-      };
-    } catch (e) {
-      console.error(e);
-      chrome.test.fail('An error thrown when requesting wallpaper.');
-    }
-  };
-
-  /*
-   * Calls chrome.wallpaper.setWallpaper using an URL.
-   * @param {string} relativeURL The relative URL of an online image.
-   * @param {boolean} success True if expecting the API call success.
-   * @param {string=} optExpectedError The expected error string if API call
-   *     failed. An error string must be provided if success is set to false.
-   */
-  var testSetWallpaperFromURL = function (relativeURL,
-                                          success,
-                                          optExpectedError) {
-    var url = baseURL + relativeURL;
-    if (success) {
-      chrome.wallpaper.setWallpaper(
-          {'url': url,
-           'layout': 'CENTER_CROPPED',
-           'name': 'test'},
-           // A valid url should set wallpaper correctly.
-           pass()
-      );
-    } else {
-      if (optExpectedError == undefined) {
-        chrome.test.fail('No expected error string is provided.');
-        return;
-      }
-      chrome.wallpaper.setWallpaper(
-         {'url': url,
-          'layout': 'CENTER_CROPPED',
-          'name': 'test'},
-          // Expect a failure.
-          fail(optExpectedError));
-    }
-  };
-
-  chrome.test.runTests([
-    function setJpgWallpaperFromAppLocalFile() {
-      testSetWallpaperFromArrayBuffer('test.jpg');
-    },
-    function setPngWallpaperFromAppLocalFile() {
-      testSetWallpaperFromArrayBuffer('test.png');
-    },
-    function setJpgWallpaperFromURL () {
-      testSetWallpaperFromURL('test.jpg', true);
-    },
-    function setPngWallpaperFromURL () {
-      testSetWallpaperFromURL('test.png', true);
-    },
-    function setNoExistingWallpaperFromURL () {
-      // test1.jpg doesn't exist. Expect Chrome cannot set wallpaper failure.
-      testSetWallpaperFromURL('test1.jpg',
-                              false,
-                              'Chrome cannot set wallpaper.');
-    },
-    function newRequestCancelPreviousRequest() {
-      // The first request should be canceled.
-      testSetWallpaperFromURL('test.png',
-                              false,
-                              'Downloading wallpaper test.png is canceled.');
-      testSetWallpaperFromURL('test.jpg', true);
-    }
-  ]);
-});