1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System;
 6  using System.Threading.Tasks;
 7  
 8  using Microsoft.CmdPal.Ext.UnitTestBase;
 9  using Microsoft.CmdPal.Ext.WebSearch.Helpers;
10  using Microsoft.CmdPal.Ext.WebSearch.Pages;
11  using Microsoft.VisualStudio.TestTools.UnitTesting;
12  
13  namespace Microsoft.CmdPal.Ext.WebSearch.UnitTests;
14  
15  [TestClass]
16  public class SettingsManagerTests : CommandPaletteUnitTestBase
17  {
18      [TestMethod]
19      public async Task HistoryChangedEventIsRaisedWhenItemIsAdded()
20      {
21          // Setup
22          var settings = new MockSettingsInterface(historyItemCount: 5);
23          var browserInfoService = new MockBrowserInfoService();
24  
25          var page = new WebSearchListPage(settings, browserInfoService);
26  
27          var eventRaised = false;
28  
29          try
30          {
31              settings.HistoryChanged += Handler;
32  
33              // Act
34              settings.AddHistoryItem(new HistoryItem("test event", DateTime.UtcNow));
35              await Task.Delay(50);
36  
37              // Assert
38              Assert.IsTrue(eventRaised, "Expected HistoryChanged to be raised when saving history.");
39          }
40          finally
41          {
42              settings.HistoryChanged -= Handler;
43              page.Dispose();
44          }
45  
46          return;
47  
48          void Handler(object s, EventArgs e) => eventRaised = true;
49      }
50  }