Added partial unit tests for host_controller.js. More to come.

remoting/webapp/base/js/base.js

 // 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.
 
 /**
  * @fileoverview
  * A module that contains basic utility components and methods for the
  * chromoting project
  *
  */
@@ skipping 692 matching lines @@
  *
  * @return {string} A URL-Safe Base64-encoded 128-bit random value. */
 base.generateXsrfToken = function() {
   var random = new Uint8Array(16);
   window.crypto.getRandomValues(random);
   var base64Token = window.btoa(String.fromCharCode.apply(null, random));
   return base64Token.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
 };
 
 /**
+ * @return {string} A random UUID.
+ */
+base.generateUuid = function() {
+  var random = new Uint16Array(8);
+  window.crypto.getRandomValues(random);
+  /** @type {Array<string>} */
+  var e = new Array();
+  for (var i = 0; i < 8; i++) {
+    e[i] = (/** @type {number} */ (random[i]) + 0x10000).
+        toString(16).substring(1);
+  }
+  return e[0] + e[1] + '-' + e[2] + '-' + e[3] + '-' +
+      e[4] + '-' + e[5] + e[6] + e[7];
+};
+
+/**
  * @param {string} jsonString A JSON-encoded string.
  * @return {Object|undefined} The decoded object, or undefined if the string
  *     cannot be parsed.
  */
 base.jsonParseSafe = function(jsonString) {
   try {
     return /** @type {Object} */ (JSON.parse(jsonString));
   } catch (err) {
     return undefined;
   }
 };
 
 /**
  * Size the current window to fit its content vertically.
  */
 base.resizeWindowToContent = function() {
   var appWindow = chrome.app.window.current();
   var outerBounds = appWindow.outerBounds;
   var borderY = outerBounds.height - appWindow.innerBounds.height;
   appWindow.resizeTo(outerBounds.width, document.body.clientHeight + borderY);
   // Sometimes, resizing the window causes its position to be reset to (0, 0),
   // so restore it explicitly.
   appWindow.moveTo(outerBounds.left, outerBounds.top);
 };