Implement mocks for identity and host-list, add a browser test to test the app in various failure m…

remoting/webapp/browser_test/mock_identity.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
+ * Mock implementation of chrome.identity.
+ */
+
+'use strict';
+
+/** @suppress {duplicate} */
+var remoting = remoting || {};
+
+/**
+ * @constructor
+ */
+remoting.MockIdentity = function() {
+  /**
+   * @type {remoting.MockIdentity.AccessToken}
+   * @private
+   */
+  this.accessToken_ = remoting.MockIdentity.AccessToken.NONE;
+};
+
+/**
+ * @param {Object} details
+ * @param {function(string)} callback
+ */
+remoting.MockIdentity.prototype.getAuthToken = function(details, callback) {
+  window.setTimeout(callback.bind(null, this.accessToken_), 0);
+};
+
+/**
+ * @param {Object} details
+ * @param {function()} callback
+ */
+remoting.MockIdentity.prototype.removeCachedAuthToken =
+    function(details, callback) {
+  window.setTimeout(callback, 0);
+};
+
+/**
+ * @param {Object} details
+ * @param {function()} callback
+ */
+remoting.MockIdentity.prototype.launchWebAuthFlow =
+    function(details, callback) {
+  // TODO(jamiewalch): Work out how to test third-party auth.
+  console.error('No mock implementation for launchWebAuthFlow.');
+};
+
+
+/** @enum {string} */
+remoting.MockIdentity.AccessToken = {
+  VALID: 'valid-token',
+  INVALID: 'invalid-token',
+  NONE: ''
+};
+
+/**
+ * @param {remoting.MockIdentity.AccessToken} accessToken
+ */
+remoting.MockIdentity.prototype.setAccessToken = function(accessToken) {
+  this.accessToken_ = accessToken;
+};
+
+/**
+ * @param {string} token
+ * @param {function()} onDone
+ * @param {function()} onError
+ * @param {Array.<*>} values
+ */
+remoting.MockIdentity.validateTokenAndCall =
+    function(token, onDone, onError, values) {
+  if (token == remoting.MockIdentity.AccessToken.VALID) {
+    window.setTimeout(
+        onDone.apply.bind(onDone, null, values),
+        0);
+  } else {
+    window.setTimeout(
+        onError.bind(null, remoting.Error.AUTHENTICATION_FAILED),
+        0);
+  }
+};
+
+/**
+ * @param {function()} onDone
+ * @param {function()} onError
+ * @param {Array.<*>} values
+ */
+remoting.MockIdentity.prototype.validateTokenAndCall =
+    function(onDone, onError, values) {
+  remoting.MockIdentity.validateTokenAndCall(
+      this.accessToken_, onDone, onError, values);
+};
+
+/**
+ * @param {boolean} active
+ */
+remoting.MockIdentity.setActive = function(active) {
+  chrome.identity = active ? remoting.mockIdentity
+                           : remoting.savedIdentityApi;
+};
+
+/** @type {Object} */
+remoting.savedIdentityApi = chrome.identity;
+
+/** @type {remoting.MockIdentity} */
+remoting.mockIdentity = new remoting.MockIdentity();