Add tests for the video player in Files.app.

chrome/test/data/extensions/api_test/file_manager_browsertest/test_cases.js

 // Copyright (c) 2013 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.
 
 /**
  * Expected files before tests are performed. Entries for Local tests.
  * @type {Array.<Array.<string>>}
  * @const
  */
 var EXPECTED_FILES_BEFORE_LOCAL = [
@@ skipping 299 matching lines @@
     function(element) {
       chrome.test.assertEq('Unknown Artist', element.text);
       chrome.test.succeed();
     }
   ];
   steps = steps.map(function(f) { return chrome.test.callbackPass(f); });
   steps.shift()();
 };
 
 /**
+ * Tests if the video player shows up for the selected movie and that it is
+ * loaded successfully.
+ *
+ * @param {string} path Directory path to be tested.
+ */
+testcase.intermediate.videoOpen = function(path) {
+  var appId;
+  var videoAppId;
+  var steps = [
+    function() {
+      setupAndWaitUntilReady(path, steps.shift());
+    },
+    function(inAppId) {
+      appId = inAppId;
+      // Select the song.
+      callRemoteTestUtil(
+          'selectFile', appId, ['world.ogv'], steps.shift());
+    },
+    function(result) {
+      chrome.test.assertTrue(result);
+      // Click on the label to enter the video player.
+      callRemoteTestUtil(
+          'fakeMouseClick',
+          appId,
+          ['#file-list li.table-row[selected] .filename-label span'],
+          steps.shift());
+    },
+    function(result) {
+      chrome.test.assertTrue(result);
+      // Wait for the video player.
+      callRemoteTestUtil('waitForWindow',
+                         null,
+                         ['video_player.html'],
+                         steps.shift());
+    },
+    function(inAppId) {
+      videoAppId = inAppId;
+      // Wait for the video tag and verify the source.
+      callRemoteTestUtil('waitForElement',
+                         videoAppId,
+                         ['video[src]'],
+                         steps.shift());
+    },
+    function(element) {
+      chrome.test.assertEq(
+          'filesystem:chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/' +
+              'external' + path + '/world.ogv',
+          element.attributes.src);
+      // Wait for the window's inner dimensions. Should be changed to the video
+      // size once the metadata is loaded.
+      callRemoteTestUtil('waitForWindowGeometry',
+                         videoAppId,
+                         [320, 192],
+                         steps.shift());
+    },
+    function(element) {
+      chrome.test.succeed();
+    }
+  ];
+  steps = steps.map(function(f) { return chrome.test.callbackPass(f); });
+  steps.shift()();
+};
+
+/**
  * Tests copying a file to the same directory and waits until the file lists
  * changes.
  *
  * @param {string} path Directory path to be tested.
  */
 testcase.intermediate.keyboardCopy = function(path, callback) {
   // Returns true if |fileList| contains a copy of |filename|.
   var isCopyPresent = function(filename, fileList) {
     var originalEntry;
     for (var i = 0; i < fileList.length; i++) {
@@ skipping 99 matching lines @@
 };
 
 testcase.galleryOpenDownloads = function() {
   testcase.intermediate.galleryOpen('/Downloads');
 };
 
 testcase.audioOpenDownloads = function() {
   testcase.intermediate.audioOpen('/Downloads');
 };
 
+testcase.videoOpenDownloads = function() {
+  testcase.intermediate.videoOpen('/Downloads');
+};
+
 testcase.keyboardCopyDownloads = function() {
   testcase.intermediate.keyboardCopy('/Downloads');
 };
 
 testcase.keyboardDeleteDownloads = function() {
   testcase.intermediate.keyboardDelete('/Downloads');
 };
 
 testcase.fileDisplayDrive = function() {
   testcase.intermediate.fileDisplay('/drive/root');
 };
 
 testcase.galleryOpenDrive = function() {
   testcase.intermediate.galleryOpen('/drive/root');
 };
 
 testcase.audioOpenDrive = function() {
   testcase.intermediate.audioOpen('/drive/root');
 };
 
+testcase.videoOpenDrive = function() {
+  testcase.intermediate.videoOpen('/drive/root');
+};
+
 testcase.keyboardCopyDrive = function() {
   testcase.intermediate.keyboardCopy('/drive/root');
 };
 
 testcase.keyboardDeleteDrive = function() {
   testcase.intermediate.keyboardDelete('/drive/root');
 };
 
 /**
  * Tests opening the "Recent" on the sidebar navigation by clicking the icon,
@@ skipping 281 matching lines @@
 /**
  * Tests copy from drive's offline to drive's root.
  */
 testcase.transferFromOfflineToDrive = function() {
   testcase.intermediate.copyBetweenVolumes('Test Document.gdoc',
                                            'drive_offline',
                                            EXPECTED_FILES_IN_OFFLINE,
                                            'drive',
                                            EXPECTED_FILES_BEFORE_DRIVE);
 };