[fsp] Add the getMetadata operation.

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

Index: chrome/test/data/extensions/api_test/file_system_provider/get_metadata/test.js
diff --git a/chrome/test/data/extensions/api_test/file_system_provider/get_metadata/test.js b/chrome/test/data/extensions/api_test/file_system_provider/get_metadata/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..9bca3f96105b928eff67261fe66ec4cb9ae59cef
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/file_system_provider/get_metadata/test.js
@@ -0,0 +1,136 @@
+// 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.
+

[hirono, 2014/04/30 06:57:38]

'use strict';

+var fileSystemId;
+var fileSystem;
+
+var TESTING_ROOT = {

[hirono, 2014/04/30 06:57:38]

nit: Object.freeze

[mtomasz, 2014/04/30 09:18:24]

Done.

+  isDirectory: true,
+  name: '',
+  size: 0,
+  modificationTime: new Date(2013, 3, 27, 9, 38, 14)
+};
+
+var TESTING_FILE = {

[hirono, 2014/04/30 06:57:38]

ditto.

[mtomasz, 2014/04/30 09:18:24]

Done.

+  isDirectory: false,
+  name: 'tiramisu.txt',
+  size: 4096,
+  modificationTime: new Date(2014, 4, 28, 10, 39, 15)
+};
+
+function onGetMetadataRequested(

[hirono, 2014/04/30 06:57:38]

nit: JSDoc

[mtomasz, 2014/04/30 09:18:24]

Done.

+    inFileSystemId, entryPath, onSuccess, onError) {
+  if (inFileSystemId != fileSystemId) {
+    onError('SECURITY_ERROR');  // enum ProviderError.
+    return;
+  }
+
+  if (entryPath == '/') {
+    onSuccess(TESTING_ROOT);
+    return;
+  }
+
+  if (entryPath == '/' + TESTING_FILE.name) {
+    onSuccess(TESTING_FILE);
+    return;
+  }
+
+  onError('NOT_FOUND');  // enum ProviderError.
+}
+
+function setUp(callback) {
+  chrome.fileSystemProvider.mount('chocolate.zip', function(id) {
+    fileSystemId = id;
+    chrome.fileSystemProvider.onGetMetadataRequested.addListener(
+      onGetMetadataRequested);

[hirono, 2014/04/30 06:57:38]

nit: 4 indent.

[mtomasz, 2014/04/30 09:18:24]

Done.

+    var volumeId =
+        'provided:' + chrome.runtime.id + '-' + fileSystemId + '-user';
+
+    chrome.fileBrowserPrivate.requestFileSystem(
+        volumeId,
+        function(inFileSystem) {
+          chrome.test.assertTrue(!!inFileSystem);
+
+          fileSystem = inFileSystem;
+          callback();
+        });
+  }, function() {
+    chrome.test.fail();
+  });
+}
+
+function runTests() {
+  chrome.test.runTests([
+    // Read metadata of the root.
+    function getFileMetadataSuccess() {
+      var onSuccess = chrome.test.callbackPass(function() {});
+      fileSystem.root.getMetadata(
+        function(metadata) {
+          chrome.test.assertEq(TESTING_ROOT.size, metadata.size);
+          chrome.test.assertEq(
+              TESTING_ROOT.modificationTime.toString(),
+              metadata.modificationTime.toString());
+          onSuccess();
+        }, function(error) {
+          chrome.test.fail(error.name);
+        });
+    },
+    // Read metadata of an existing testing file.
+    function getFileMetadataSuccess() {
+      var onSuccess = chrome.test.callbackPass(function() {});
+      fileSystem.root.getFile(
+          TESTING_FILE.name,
+          {create: false},
+          function(fileEntry) {
+            chrome.test.assertEq(TESTING_FILE.name, fileEntry.name);
+            chrome.test.assertEq(
+                TESTING_FILE.isDirectory, fileEntry.isDirectory);
+            fileEntry.getMetadata(function(metadata) {
+              chrome.test.assertEq(TESTING_FILE.size, metadata.size);
+              chrome.test.assertEq(
+                  TESTING_FILE.modificationTime.toString(),
+                  metadata.modificationTime.toString());
+              onSuccess();
+            }, function(error) {
+              chrome.test.fail(error.name);
+            });
+          },
+          function(error) {
+            chrome.test.fail(error.name);
+          });
+    },
+    // Read metadata of a directory which does not exist, what should return an
+    // error.

[hirono, 2014/04/30 06:57:38]

Please add a comment that the getDirectory calls getMetadata internally.

[mtomasz, 2014/04/30 09:18:24]

Done.

+    function getFileMetadataNotFound() {
+      var onSuccess = chrome.test.callbackPass(function() {});
+      fileSystem.root.getDirectory(
+          'cranberries',
+          {create: false},
+          function(dirEntry) {
+            chrome.test.fail();
+          },
+          function(error) {
+            chrome.test.assertEq('NotFoundError', error.name);
+            onSuccess();
+          });
+    },
+    // Read metadata of a file using getDirectory(). An error should be returned
+    // because of type mismatching.

[hirono, 2014/04/30 06:57:38]

ditto.

[mtomasz, 2014/04/30 09:18:24]

Done.

+    function getFileMetadataWrongType() {
+      var onSuccess = chrome.test.callbackPass(function() {});
+      fileSystem.root.getDirectory(
+          TESTING_FILE.name,
+          {create: false},
+          function(fileEntry) {
+            chrome.test.fail();
+          },
+          function(error) {
+            chrome.test.assertEq('TypeMismatchError', error.name);
+            onSuccess();
+          });
+    }
+  ]);
+}
+
+setUp(runTests);