[fsp] Add support for creating directories.

chrome/test/data/extensions/api_test/file_system_provider/create_directory/test.js

Index: chrome/test/data/extensions/api_test/file_system_provider/create_directory/test.js
diff --git a/chrome/test/data/extensions/api_test/file_system_provider/create_directory/test.js b/chrome/test/data/extensions/api_test/file_system_provider/create_directory/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..a225a9a07920ebb12ae10b4d07dd6c5968463ccc
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/file_system_provider/create_directory/test.js
@@ -0,0 +1,100 @@
+// 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.
+
+'use strict';
+
+/**
+ * @type {Object}
+ * @const
+ */
+var TESTING_DIRECTORY = Object.freeze({
+  isDirectory: false,
+  name: 'kitty',
+  size: 0,
+  modificationTime: new Date(2014, 4, 28, 10, 39, 15)
+});
+
+/**
+ * Creates a directory.
+ *
+ * @param {CreateDirectoryRequestedOptions} options Options.
+ * @param {function(Object)} onSuccess Success callback
+ * @param {function(string)} onError Error callback with an error code.
+ */
+function onCreateDirectoryRequested(options, onSuccess, onError) {
+  if (options.fileSystemId != test_util.FILE_SYSTEM_ID) {
+    onError('SECURITY');  // enum ProviderError.
+    return;
+  }
+
+  if (options.directoryPath == '/' || options.recursive) {
+    onError('INVALID_OPERATION');
+    return;
+  }
+
+  if (options.exclusive && (options.directoryPath in
+      test_util.defaultMetadata)) {
+    onError('EXISTS');
+    return;
+  }
+
+  test_util.defaultMetadata[options.directoryPath] = TESTING_DIRECTORY;
+  onSuccess();  // enum ProviderError.
+}
+
+/**
+ * Sets up the tests. Called once per all test cases. In case of a failure,
+ * the callback is not called.
+ *
+ * @param {function()} callback Success callback.
+ */
+function setUp(callback) {
+  chrome.fileSystemProvider.onGetMetadataRequested.addListener(
+      test_util.onGetMetadataRequestedDefault);
+
+  test_util.defaultMetadata['/' + TESTING_DIRECTORY.name] =
+      TESTING_DIRECTORY;
+
+  chrome.fileSystemProvider.onCreateDirectoryRequested.addListener(
+      onCreateDirectoryRequested);
+
+  test_util.mountFileSystem(callback);
+}
+
+/**
+ * Runs all of the test cases, one by one.
+ */
+function runTests() {
+  chrome.test.runTests([
+    // Create a directory (not exclusive). Should succeed.
+    function createDirectorySuccessSimple() {
+      var onSuccess = chrome.test.callbackPass();
+      test_util.fileSystem.root.getDirectory(
+          TESTING_DIRECTORY.name, {create: true, exclusive: false},
+          function(entry) {
+            chrome.test.assertEq(TESTING_DIRECTORY.name, entry.name);
+            chrome.test.assertTrue(entry.isDirectory);
+            onSuccess();
+          }, function(error) {
+            chrome.test.fail(error.name);
+          });
+    },
+    // Create a directory (exclusive). Should fail, since the directory already
+    // exists.
+    function createDirectoryErrorExists() {
+      var onSuccess = chrome.test.callbackPass();
+      test_util.fileSystem.root.getDirectory(
+          TESTING_DIRECTORY.name, {create: true, exclusive: true},
+          function(entry) {
+            chrome.test.fail('Created a directory, but should fail.');
+          }, function(error) {
+            chrome.test.assertEq('InvalidModificationError', error.name);
+            onSuccess();
+          });
+    },
+  ]);
+}
+
+// Setup and run all of the test cases.
+setUp(runTests);