MD User Manager: Browser Tests for when all profiles are locked.

chrome/test/data/webui/md_user_manager/control_bar_tests.js

 // Copyright 2016 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.
 
 cr.define('user_manager.control_bar_tests', function() {
+  /** @return {!ControlBarElement} */
+  function createElement() {
+    PolymerTest.clearBody();
+    controlBarElement = document.createElement('control-bar');

[dpapad, 2016/05/31 22:07:41]

I don't think you want to declare a global var here.

var controlBarElement = document.createElement('control-bar');

[Moe, 2016/05/31 22:47:39]

Done.

+    document.body.appendChild(controlBarElement);
+    return controlBarElement;
+  }
+
   function registerTests() {
+    /** @type {?TestProfileBrowserProxy} */
+    var browserProxy = null;
+
+    /** @type {?ControlBarElement} */
+    var controlBarElement = null;
+
     suite('ControlBarTests', function() {
-      /** @type {?TestProfileBrowserProxy} */
-      var browserProxy = null;
-
-      /** @type {?ControlBarElement} */
-      var controlBarElement = null;
-
       setup(function() {
         browserProxy = new TestProfileBrowserProxy();
         // Replace real proxy with mock proxy.
         signin.ProfileBrowserProxyImpl.instance_ = browserProxy;
 
-        PolymerTest.clearBody();
-        controlBarElement = document.createElement('control-bar');
-        document.body.appendChild(controlBarElement);
+        controlBarElement = createElement();
       });
 
       teardown(function() { controlBarElement.remove(); });
 
       test('Actions are hidden by default', function() {
         assertTrue(controlBarElement.$.launchGuest.hidden);
         assertTrue(controlBarElement.$.addUser.hidden);
 
         controlBarElement.showGuest = true;
         controlBarElement.showAddPerson = true;
@@ skipping 15 matching lines @@
           MockInteractions.tap(controlBarElement.$.addUser);
         });
       });
 
       test('Can launch guest profile', function() {
         // Simulate clicking 'Browse as guest'.
         MockInteractions.tap(controlBarElement.$.launchGuest);
         return browserProxy.whenCalled('launchGuestUser');
       });
     });
+
+    suite('ControlBarTestsAllProfilesAreLocked', function() {
+      /** @type {?ErrorDialogElement} */
+      var errorDialogElement = null;
+
+      setup(function() {
+        browserProxy = new TestProfileBrowserProxy();
+        // Replace real proxy with mock proxy.
+        signin.ProfileBrowserProxyImpl.instance_ = browserProxy;
+
+        browserProxy.setAtLeastOneProfileUnlocked_(false);
+
+        controlBarElement = createElement();
+
+        errorDialogElement = document.createElement('error-dialog');
+        document.body.appendChild(errorDialogElement);
+      });
+
+      teardown(function() {
+        controlBarElement.remove();
+        errorDialogElement.remove();
+      });
+
+      test('Cannot create profile', function() {
+        return new Promise(function(resolve, reject) {
+          controlBarElement.addEventListener('change-page', function(event) {
+            // We don't expect to go to the 'create-profile' page.
+            assertNotReached('Should not go to the create-profile page.');
+          });
+
+          cr.addWebUIListener('show-error-dialog', function() {
+            // Make sure DOM is up to date.
+            Polymer.dom.flush();
+
+            // The dialog is visible.
+            assertLT(0, errorDialogElement.$$('#backdrop').offsetHeight);
+
+            resolve();
+          });
+
+          // Simulate clicking 'Create Profile'.
+          MockInteractions.tap(controlBarElement.$.addUser);
+        });
+      });
+
+      test('Cannot launch guest profile', function() {
+        return new Promise(function(resolve, reject) {
+          browserProxy.whenCalled('launchGuestUser').then(function() {
+            // Should not launch guest profile.
+            assertNotReached('Should not launch guest profile.');
+          });
+
+          cr.addWebUIListener('show-error-dialog', function() {
+            // Make sure DOM is up to date.
+            Polymer.dom.flush();
+
+            // The error dialog is visible.
+            assertLT(0, errorDialogElement.$$('#backdrop').offsetHeight);
+
+            resolve();
+          });
+
+          // Simulate clicking 'Browse as guest'.
+          MockInteractions.tap(controlBarElement.$.launchGuest);
+        });
+      });
+    });
   }
 
   return {
     registerTests: registerTests,
   };
 });