[fsp] Add support for creating files.

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

Index: chrome/test/data/extensions/api_test/file_system_provider/create_file/test.js
diff --git a/chrome/test/data/extensions/api_test/file_system_provider/create_file/test.js b/chrome/test/data/extensions/api_test/file_system_provider/create_file/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..1473608a3dcb09392ed4d8a63b51dcd716d71127
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/file_system_provider/create_file/test.js
@@ -0,0 +1,121 @@
+// 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_FILE = Object.freeze({
+  isDirectory: false,
+  name: 'kitty',
+  size: 0,
+  modificationTime: new Date(2014, 4, 28, 10, 39, 15)
+});
+
+/**
+ * @type {Object}
+ * @const
+ */
+var TESTING_NEW_FILE = Object.freeze({
+  isDirectory: false,
+  name: 'puppy',
+  size: 0,
+  modificationTime: new Date(2014, 4, 28, 10, 39, 15)
+});
+
+/**
+ * Creates a file.
+ *
+ * @param {CreateFileRequestedOptions} options Options.
+ * @param {function(Object)} onSuccess Success callback
+ * @param {function(string)} onError Error callback with an error code.
+ */
+function onCreateFileRequested(options, onSuccess, onError) {
+  if (options.fileSystemId != test_util.FILE_SYSTEM_ID) {
+    onError('SECURITY');  // enum ProviderError.
+    return;
+  }
+
+  if (options.filePath == '/') {
+    onError('INVALID_OPERATION');
+    return;
+  }
+
+  if (options.filePath in test_util.defaultMetadata) {
+    onError('EXISTS');
+    return;
+  }
+
+  test_util.defaultMetadata[options.filePath] = TESTING_FILE;
+  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_FILE.name] = TESTING_FILE;
+
+  chrome.fileSystemProvider.onCreateFileRequested.addListener(
+      onCreateFileRequested);
+
+  test_util.mountFileSystem(callback);
+}
+
+/**
+ * Runs all of the test cases, one by one.
+ */
+function runTests() {
+  chrome.test.runTests([
+    // Create a file which doesn't exist. Should succeed.
+    function createFileSuccessSimple() {
+      var onSuccess = chrome.test.callbackPass();
+      test_util.fileSystem.root.getFile(
+          TESTING_NEW_FILE.name, {create: true},
+          function(entry) {
+            chrome.test.assertEq(TESTING_NEW_FILE.name, entry.name);
+            chrome.test.assertFalse(entry.isDirectory);
+            onSuccess();
+          }, function(error) {
+            chrome.test.fail(error.name);
+          });
+    },
+    // Create a file which exists, non-exclusively. Should succeed.
+    function createFileOrOpenSuccess() {
+      var onSuccess = chrome.test.callbackPass();
+      test_util.fileSystem.root.getFile(
+          TESTING_FILE.name, {create: true, exclusive: false},
+          function(entry) {
+            chrome.test.assertEq(TESTING_FILE.name, entry.name);
+            chrome.test.assertFalse(entry.isDirectory);
+            onSuccess();
+          }, function(error) {
+            chrome.test.fail(error.name);
+          });
+    },
+    // Create a file which exists, exclusively. Should fail.
+    function createFileExistsError() {
+      var onSuccess = chrome.test.callbackPass();
+      test_util.fileSystem.root.getFile(
+          TESTING_FILE.name, {create: true, exclusive: true},
+          function(entry) {
+            chrome.test.fail('Created a file, but should fail.');
+          }, function(error) {
+            chrome.test.assertEq('InvalidModificationError', error.name);
+            onSuccess();
+          });
+    },
+  ]);
+}
+
+// Setup and run all of the test cases.
+setUp(runTests);