[fsp] Add support for copying files within a provided file system.

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

Index: chrome/test/data/extensions/api_test/file_system_provider/copy_entry/test.js
diff --git a/chrome/test/data/extensions/api_test/file_system_provider/copy_entry/test.js b/chrome/test/data/extensions/api_test/file_system_provider/copy_entry/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..6ff163696858e75335abaf6e7bd9716040497316
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/file_system_provider/copy_entry/test.js
@@ -0,0 +1,132 @@
+// 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: 1024,
+  modificationTime: new Date(2014, 4, 28, 10, 39, 15)
+});
+
+/**
+ * @type {string}
+ * @const
+ */
+var TESTING_NEW_FILE_NAME = 'puppy.txt';
+
+/**
+ * Copies an entry within the same file system.
+ *
+ * @param {CopyEntryRequestedOptions} options Options.
+ * @param {function(Object)} onSuccess Success callback
+ * @param {function(string)} onError Error callback with an error code.
+ */
+function onCopyEntryRequested(options, onSuccess, onError) {
+  if (options.fileSystemId != test_util.FILE_SYSTEM_ID) {
+    onError('SECURITY');  // enum ProviderError.
+    return;
+  }
+
+  if (options.sourcePath == '/') {
+    onError('INVALID_OPERATION');
+    return;
+  }
+
+  if (!(options.sourcePath in test_util.defaultMetadata)) {
+    onError('NOT_FOUND');
+    return;
+  }
+
+  if (options.targetPath in test_util.defaultMetadata) {
+    onError('EXISTS');
+    return;
+  }
+
+  // Copy the metadata, but change the 'name' field.
+  var newMetadata =
+      JSON.parse(JSON.stringify(test_util.defaultMetadata[options.sourcePath]));
+  newMetadata.name = options.targetPath.split('/').pop();
+  test_util.defaultMetadata[options.targetPath] = newMetadata;
+
+  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.onCopyEntryRequested.addListener(
+      onCopyEntryRequested);
+
+  test_util.mountFileSystem(callback);
+}
+
+/**
+ * Runs all of the test cases, one by one.
+ */
+function runTests() {
+  chrome.test.runTests([
+    // Copy an existing file to a non-existing destination. Should succeed.
+    function copyEntrySuccess() {
+      var onSuccess = chrome.test.callbackPass();
+      test_util.fileSystem.root.getFile(
+          TESTING_FILE.name, {create: false},
+          function(sourceEntry) {
+            chrome.test.assertEq(TESTING_FILE.name, sourceEntry.name);
+            chrome.test.assertFalse(sourceEntry.isDirectory);
+            sourceEntry.copyTo(
+                test_util.fileSystem.root,
+                TESTING_NEW_FILE_NAME,
+                function(targetEntry) {
+                  chrome.test.assertEq(TESTING_NEW_FILE_NAME, targetEntry.name);
+                  chrome.test.assertFalse(targetEntry.isDirectory);
+                  onSuccess();
+                }, function(error) {
+                  chrome.test.fail(error.name);
+                });
+          }, function(error) {
+            chrome.test.fail(error.name);
+          });
+    },
+    // Copy an existing file to a location which already holds a file.
+    // Should fail.
+    function copyEntryExistsError() {
+      var onSuccess = chrome.test.callbackPass();
+      test_util.fileSystem.root.getFile(
+          TESTING_FILE.name, {create: false},
+          function(sourceEntry) {
+            chrome.test.assertEq(TESTING_FILE.name, sourceEntry.name);
+            chrome.test.assertFalse(sourceEntry.isDirectory);
+            sourceEntry.copyTo(
+                test_util.fileSystem.root,
+                TESTING_NEW_FILE_NAME,
+                function(targetEntry) {
+                  chrome.test.fail('Succeeded, but should fail.');
+                }, function(error) {
+                  chrome.test.assertEq('InvalidModificationError', error.name);
+                  onSuccess();
+                });
+          }, function(error) {
+            chrome.test.fail(error.name);
+          });
+    }
+  ]);
+}
+
+// Setup and run all of the test cases.
+setUp(runTests);