sync: Buffer Protocol Events for about:sync page

chrome/browser/ui/webui/sync_internals_browsertest.js

 // Copyright 2013 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.
 
 /**
  * Test fixture for sync internals WebUI testing.
  * @constructor
  * @extends {testing.Test}
  */
 function SyncInternalsWebUITest() {}
@@ skipping 209 matching lines @@
       "name": "Bookmarks",
       "num_entries": 2793,
       "num_live": 2793,
       "status": "ok",
       "value": "Active: GROUP_UI"
     },
   ],
   "unrecoverable_error_detected": false
 };
 
+NETWORK_EVENT_DETAILS_1 = {
+  "details":"Notified types: Bookmarks, Autofill",
+  "proto":{},
+  "time":1395874542192.407,
+  "type":"Normal GetUpdate request"
+};
+
+NETWORK_EVENT_DETAILS_2 = {
+  "details":"Received error: SYNC_AUTH_ERROR",
+  "proto":{},
+  "time":1395874542192.837,
+  "type":"GetUpdates Response"
+};
+
 TEST_F('SyncInternalsWebUITest', 'Uninitialized', function() {
   assertNotEquals(null, chrome.sync.aboutInfo);
   expectTrue(this.hasInDetails(true, 'Username', ''));
   expectTrue(this.hasInDetails(false, 'Summary', 'Uninitialized'));
 });
 
 TEST_F('SyncInternalsWebUITest', 'LoadPastedAboutInfo', function() {
   // Expose the text field.
   $('import-status').click();
 
   // Fill it with fake data.
   $('status-text').value = JSON.stringify(HARD_CODED_ABOUT_INFO);
 
   // Trigger the import.
   $('import-status').click();
 
   expectTrue(this.hasInDetails(true, 'Summary', 'Sync service initialized'));
 });
 
+TEST_F('SyncInternalsWebUITest', 'NetworkEventsTest', function() {
+  networkEvent1 = new Event('onProtocolEvent');
+  networkEvent1.details = NETWORK_EVENT_DETAILS_1;
+  networkEvent2 = new Event('onProtocolEvent');
+  networkEvent2.details = NETWORK_EVENT_DETAILS_2;
+
+  chrome.sync.events.dispatchEvent(networkEvent1);
+  chrome.sync.events.dispatchEvent(networkEvent2);
+
+  expectEquals(2, $('traffic-event-container').children.length);
+
+  // Test that repeated events are not re-displayed.
+  chrome.sync.events.dispatchEvent(networkEvent1);
+  expectEquals(2, $('traffic-event-container').children.length);
+});
+
 TEST_F('SyncInternalsWebUITest', 'SearchTabDoesntChangeOnItemSelect',
        function() {
   // Select the search tab.
   $('sync-search-tab').selected = true;
   expectTrue($('sync-search-tab').selected);
 
   // Build the data model and attach to result list.
   cr.ui.List.decorate($('sync-results-list'));
   $('sync-results-list').dataModel = new cr.ui.ArrayDataModel([
     {
@@ skipping 99 matching lines @@
 
   // Click the dump-to-text button.
   $('dump-to-text').click();
 
   // Verify our event is among the results.
   var eventDumpText = $('data-dump').textContent;
 
   expectGE(eventDumpText.indexOf('onConnectionStatusChange'), 0);
   expectGE(eventDumpText.indexOf('CONNECTION_OK'), 0);
 });