Files.app: Add units test of FileOperationManager#paste.

chrome/test/data/file_manager/unit_tests/mocks/mock_entry.js

Index: chrome/test/data/file_manager/unit_tests/mocks/mock_entry.js
diff --git a/chrome/test/data/file_manager/unit_tests/mocks/mock_entry.js b/chrome/test/data/file_manager/unit_tests/mocks/mock_entry.js
index 5110334478a569e522d7be6c536783c47f3d8b84..197a0adc7693248df74d564fb069413c2928939a 100644
--- a/chrome/test/data/file_manager/unit_tests/mocks/mock_entry.js
+++ b/chrome/test/data/file_manager/unit_tests/mocks/mock_entry.js
@@ -2,6 +2,20 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 

[yoshiki, 2014/08/07 09:35:30]

jsdoc

[hirono, 2014/08/08 03:37:41]

Done.

+function MockEntry(volumeId, fullPath) {
+  this.volumeId = volumeId;
+  this.fullPath = fullPath;
+}
+
+/**
+ * Returns fake URL.
+ *
+ * @return {string} Fake URL.
+ */
+MockEntry.prototype.toURL = function() {
+  return 'filesystem:' + this.volumeId + this.fullPath;
+};
+
 /**
  * Mock class for FileEntry.
  *
@@ -9,18 +23,26 @@
  * @param {string} fullPath Full path for the entry.
  * @constructor
  */
-function MockFileEntry(volumeId, fullPath) {
+function MockFileEntry(volumeId, fullPath, metadata) {
+  MockEntry.call(this, volumeId, fullPath);
   this.volumeId = volumeId;
   this.fullPath = fullPath;
+  this.metadata_ = metadata;
 }
 
+MockFileEntry.prototype = {
+  __proto__: MockEntry.prototype
+};
+
 /**
- * Returns fake URL.
- *
- * @return {string} Fake URL.
+ * Obtains metadata of the entry.
+ * @param {function(Object)} callback Function to take the metadata.
  */
-MockFileEntry.prototype.toURL = function() {
-  return 'filesystem:' + this.volumeId + this.fullPath;
+MockFileEntry.prototype.getMetadata = function(callback) {
+  Promise.resolve(this.metadata_).then(callback).catch(function(error) {
+    console.log(error);

[yoshiki, 2014/08/07 09:35:30]

Please use 'console.error' if it's an error.

[hirono, 2014/08/08 03:37:41]

Done.

+    window.onerror();
+  });
 };
 
 /**
@@ -33,9 +55,14 @@ MockFileEntry.prototype.toURL = function() {
  * @constructor
  */
 function MockDirectoryEntry(volumeId, fullPath, contents) {
+  MockEntry.call(this, volumeId, fullPath);
   this.contents_ = contents;
 }
 
+MockDirectoryEntry.prototype = {
+  __proto__: MockEntry.prototype
+};
+
 /**
  * Returns a file under the directory.
  *