Added tests for TokenizingTextBoxAutomationPeer

Author: jamesmcroft

Microsoft.Toolkit.Uwp.UI.Controls.Input/TokenizingTextBox/TokenizingTextBoxAutomationPeer.cs

@@ -70,22 +70,6 @@ protected override string GetNameCore()
             return base.GetNameCore();
         }
 
-        /// <summary>
-        /// Gets the control pattern that is associated with the specified Windows.UI.Xaml.Automation.Peers.PatternInterface.
-        /// </summary>
-        /// <param name="patternInterface">A value from the Windows.UI.Xaml.Automation.Peers.PatternInterface enumeration.</param>
-        /// <returns>The object that supports the specified pattern, or null if unsupported.</returns>
-        protected override object GetPatternCore(PatternInterface patternInterface)
-        {
-            switch (patternInterface)
-            {
-                case PatternInterface.Selection:
-                    return this;
-            }
-
-            return base.GetPatternCore(patternInterface);
-        }
-
         /// <summary>
         /// Gets the collection of elements that are represented in the UI Automation tree as immediate
         /// child elements of the automation peer.

UnitTests/UnitTests.UWP/UI/Controls/Test_TokenizingTextBox_AutomationPeer.cs

@@ -0,0 +1,59 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.ObjectModel;
+using System.Threading.Tasks;
+using Windows.UI.Xaml.Automation;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Windows.UI.Xaml.Automation.Peers;
+using Microsoft.Toolkit.Uwp;
+using Microsoft.Toolkit.Uwp.UI.Automation.Peers;
+using Microsoft.Toolkit.Uwp.UI.Controls;
+
+namespace UnitTests.UWP.UI.Controls
+{
+    [TestClass]
+    [TestCategory("Test_TokenizingTextBox")]
+    public class Test_TokenizingTextBox_AutomationPeer : VisualUITestBase
+    {
+        [TestMethod]
+        public async Task ShouldConfigureTokenizingTextBoxAutomationPeerAsync()
+        {
+            await App.DispatcherQueue.EnqueueAsync(async () =>
+            {
+                const string expectedAutomationName = "MyAutomationName";
+                const string expectedName = "MyName";
+
+                var items = new ObservableCollection<TokenizingTextBoxTestItem> { new() { Title = "Hello" }, new() { Title = "World" } };
+
+                var tokenizingTextBox = new TokenizingTextBox { ItemsSource = items };
+
+                await SetTestContentAsync(tokenizingTextBox);
+
+                var tokenizingTextBoxAutomationPeer =
+                    FrameworkElementAutomationPeer.CreatePeerForElement(tokenizingTextBox) as TokenizingTextBoxAutomationPeer;
+
+                Assert.IsNotNull(tokenizingTextBoxAutomationPeer, "Verify that the AutomationPeer is TokenizingTextBoxAutomationPeer.");
+
+                // Asserts the automation peer name based on the Automation Property Name value. 
+                tokenizingTextBox.SetValue(AutomationProperties.NameProperty, expectedAutomationName);
+                Assert.IsTrue(tokenizingTextBoxAutomationPeer.GetName().Contains(expectedAutomationName), "Verify that the UIA name contains the given AutomationProperties.Name of the TokenizingTextBox.");
+
+                // Asserts the automation peer name based on the element Name property.
+                tokenizingTextBox.Name = expectedName;
+                Assert.IsTrue(tokenizingTextBoxAutomationPeer.GetName().Contains(expectedName), "Verify that the UIA name contains the given Name of the TokenizingTextBox.");
+            });
+        }
+
+        public class TokenizingTextBoxTestItem
+        {
+            public string Title { get; set; }
+
+            public override string ToString()
+            {
+                return Title;
+            }
+        }
+    }
+}

UnitTests/UnitTests.UWP/UnitTests.UWP.csproj

@@ -200,6 +200,7 @@
     <Compile Include="UI\Controls\Test_RadialGauge.cs" />
     <Compile Include="UI\Controls\Test_TextToolbar_Localization.cs" />
     <Compile Include="UI\Controls\Test_InfiniteCanvas_Regression.cs" />
+    <Compile Include="UI\Controls\Test_TokenizingTextBox_AutomationPeer.cs" />
     <Compile Include="UI\Controls\Test_TokenizingTextBox_General.cs" />
     <Compile Include="UI\Controls\Test_TokenizingTextBox_InterspersedCollection.cs" />
     <Compile Include="UI\Controls\Test_ListDetailsView.cs" />