Files.app: Add a test to create new folder.

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

 // Copyright (c) 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.
 
 'use strict';
 
 /**
  * Waits until a dialog with an OK button is shown and accepts it.
  *
  * @param {string} windowId Target window ID.
@@ skipping 109 matching lines @@
       waitForFileListChange(appId, fileListBefore.length).then(this.next);
     },
     // Verify the result.
     function(fileList) {
       chrome.test.assertFalse(isFilePresent(directoryName, fileList));
       checkIfNoErrorsOccured(this.next);
     }
   ]);
 }
 
+/**
+ * Adds check of chrome.test to the end of the given promise.
+ * @param {Promise} promise Promise.
+ */
+function testPromise(promise) {
+  promise.then(function() {
+    return new Promise(checkIfNoErrorsOccured);
+  }).then(chrome.test.callbackPass(function() {
+    chrome.test.succeed();
+  }), function(error) {
+    chrome.test.fail(error.stack || error);
+  });
+};
+
+/**
+ * Test for creating new folder.
+ * @param {string} path Initial path.
+ * @param {Array.<TestEntryInfo>} initialEntrySet Initial set of entries.
+ * @return {Promise} Promise to be fulfilled on success.
+ */
+function createNewFolder(path, initialEntrySet) {
+  var windowId;
+  // Open window.
+  return new Promise(function(callback) {
+    setupAndWaitUntilReady(null, path, callback);
+  }).then(function(inWindowId) {
+    windowId = inWindowId;
+    // Push Ctrl + E.
+    return callRemoteTestUtil('fakeKeyDown',
+                              windowId,
+                              // Ctrl + E
+                              ['#file-list', 'U+0045', true]);
+  }).then(function() {
+    // Wait for rename text field.
+    return waitForElement(windowId, 'input.rename');
+  }).then(function() {
+    // Type new folder name.
+    return callRemoteTestUtil(
+        'inputText', windowId, ['input.rename', 'Test Folder Name']);
+  }).then(function() {
+    // Push Enter.
+    return callRemoteTestUtil('fakeKeyDown',
+                              windowId,
+                              ['input.rename', 'Enter', false]);
+  }).then(function() {
+    return waitForElementLost(windowId, 'input.rename');
+  }).then(function() {
+    var expectedEntryRows = TestEntryInfo.getExpectedRows(initialEntrySet);
+    expectedEntryRows.push(['Test Folder Name', '--', 'Folder', '']);
+    // Wait for the new folder.
+    return waitForFiles(windowId,
+                        expectedEntryRows,
+                        {ignoreLastModifiedTime: true});
+  });
+};
+
 testcase.keyboardCopyDownloads = function() {
   keyboardCopy(RootPath.DOWNLOADS);
 };
 
 testcase.keyboardDeleteDownloads = function() {
   keyboardDelete(RootPath.DOWNLOADS);
 };
 
 testcase.keyboardCopyDrive = function() {
   keyboardCopy(RootPath.DRIVE);
 };
 
 testcase.keyboardDeleteDrive = function() {
   keyboardDelete(RootPath.DRIVE);
 };
+
+testcase.createNewFolderDownloads = function() {
+  testPromise(createNewFolder(RootPath.DOWNLOADS, BASIC_LOCAL_ENTRY_SET));
+};
+
+testcase.createNewFolderDrive = function() {
+  testPromise(createNewFolder(RootPath.DRIVE, BASIC_DRIVE_ENTRY_SET));
+};