Settings Router Refactor: Migrate to settings.Route.navigateTo calls.

chrome/test/data/webui/settings/device_page_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('device_page_tests', function() {
   /** @enum {string} */
   var TestNames = {
     Display: 'display',
     Keyboard: 'keyboard',
     Touchpad: 'touchpad',
@@ skipping 97 matching lines @@
 
     /** @type {!SettingsDevicePage|undefined} */
     var devicePage;
 
     /** @type {!FakeSystemDisplay|undefined} */
     var fakeSystemDisplay;
 
     suiteSetup(function() {
       // Disable animations so sub-pages open within one event loop.
       testing.Test.disableAnimationsAndTransitions();
+
+      // Update the device page route for navigations.
+      settings.navigateTo = function(route) {

[michaelpg, 2016/07/20 19:48:23]

Can you provide your own stub instead?

[tommycli, 2016/07/20 20:33:30]

Per offline discussion, we are going to address the testing use cases more
throughly once the router refactor is further along.

+        devicePage.currentRoute = route;
+      };
     });
 
     setup(function(done) {
       fakeSystemDisplay = new settings.FakeSystemDisplay();
       settings.display.systemDisplayApi = fakeSystemDisplay;
 
       PolymerTest.clearBody();
       devicePage = document.createElement('settings-device-page');
-      devicePage.currentRoute = {page: 'basic', section: '', subpage: []};
+      devicePage.currentRoute = settings.Route.BASIC;
       devicePage.prefs = fakePrefs;
       settings.DevicePageBrowserProxyImpl.instance_ =
           new TestDevicePageBrowserProxy();
       document.body.appendChild(devicePage);
 
       // Allow the light DOM to be distributed to settings-animated-pages.
       setTimeout(done);
     });
 
     /** @return {!Promise<!Element>} */
@@ skipping 260 matching lines @@
         expectTrue(displayPage.showMirror_(displayPage.displays));
         expectTrue(displayPage.isMirrored_(displayPage.displays));
       });
     });
   });
 
   return {
     TestNames: TestNames
   };
 });