Add initial test case for FrameworkElementExtension.RelativeAncestor

Fixes malaligned namespaces in tests.

Author: michael-hawker

components/Extensions/src/Element/FrameworkElementExtensions.Mouse.cs

@@ -14,7 +14,7 @@
 namespace CommunityToolkit.WinUI;
 
 // TODO: Note: Windows App SDK doesn't support this (need to use Protected Cursor), but we still use this extension for Sizer controls.
-// For now rather than not porting, we'll just exclude on Windows App SDK platforms. Fenced other blocks below and support both equivelent types, but don't have a general way to set cursor on window yet in PointerEntered/Exited. If in end, FrameworkElement gets non-protected Cursor property like WPF, then this extension also isn't needed.
+// For now rather than not porting, we'll just exclude on Windows App SDK platforms. Fenced other blocks below and support both equivalent types, but don't have a general way to set cursor on window yet in PointerEntered/Exited. If in end, FrameworkElement gets non-protected Cursor property like WPF, then this extension also isn't needed.
 // See https://github.com/microsoft/microsoft-ui-xaml/issues/4834
 #if !WINAPPSDK
 

components/Extensions/tests/BitmapIconExtensionTestPage.xaml

@@ -1,4 +1,4 @@
-<Page x:Class="ExtensionsExperiment.Tests.BitmapIconExtensionTestPage"
+<Page x:Class="ExtensionsComponent.Tests.BitmapIconExtensionTestPage"
       xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

components/Extensions/tests/BitmapIconExtensionTestPage.xaml.cs

@@ -2,7 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-namespace ExtensionsExperiment.Tests;
+namespace ExtensionsComponent.Tests;
 
 /// <summary>
 /// An empty page that can be used on its own or navigated to within a Frame.

components/Extensions/tests/BitmapIconExtensionTests.cs

@@ -4,8 +4,6 @@
 
 using CommunityToolkit.Tests;
 using CommunityToolkit.Tooling.TestGen;
-using CommunityToolkit.WinUI;
-using ExtensionsExperiment.Tests;
 
 namespace ExtensionsComponent.Tests;
 

components/Extensions/tests/Element/FrameworkElementExtensionsTests.RelativeAncestor.cs

@@ -0,0 +1,30 @@
+// 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 CommunityToolkit.Tests;
+using CommunityToolkit.Tooling.TestGen;
+
+namespace ExtensionsComponent.Tests;
+
+[TestClass]
+public partial class FrameworkElementExtensionsTests : VisualUITestBase
+{
+    [TestCategory("FrameworkElementExtension")]
+    [UIThreadTestMethod]
+    public void FrameworkElementExtension_RelativeAncestor_InDataTemplate(FrameworkElementRelativeAncestorDataTemplateTestPage page)
+    {
+        var list = page.FindDescendant<ListView>();
+
+        Assert.IsNotNull(list, "Couldn't find listview");
+
+        int count = 0;
+        foreach (var item in list.FindDescendants().OfType<TextBlock>())
+        {
+            count++;
+            Assert.AreEqual("Hello", item.Text, "Text didn't match binding of ancestor tag property");
+        }
+
+        Assert.AreEqual(3, count, "Didn't find three textblocks");
+    }
+}

components/Extensions/tests/Element/FrameworkElementRelativeAncestorDataTemplateTestPage.xaml

@@ -0,0 +1,24 @@
+<Page x:Class="ExtensionsComponent.Tests.FrameworkElementRelativeAncestorDataTemplateTestPage"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+      xmlns:ui="using:CommunityToolkit.WinUI"
+      Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
+      mc:Ignorable="d">
+
+    <Grid>
+        <ListView x:Name="ListViewControl"
+                  Tag="Hello">
+            <ListView.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock ui:FrameworkElementExtensions.AncestorType="ListView"
+                               Text="{Binding (ui:FrameworkElementExtensions.Ancestor).Tag, RelativeSource={RelativeSource Self}}" />
+                </DataTemplate>
+            </ListView.ItemTemplate>
+            <x:String>1</x:String>
+            <x:String>2</x:String>
+            <x:String>3</x:String>
+        </ListView>
+    </Grid>
+</Page>

components/Extensions/tests/Element/FrameworkElementRelativeAncestorDataTemplateTestPage.xaml.cs

@@ -0,0 +1,16 @@
+// 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.
+
+namespace ExtensionsComponent.Tests;
+
+/// <summary>
+/// An empty page that can be used on its own or navigated to within a Frame.
+/// </summary>
+public sealed partial class FrameworkElementRelativeAncestorDataTemplateTestPage : Page
+{
+    public FrameworkElementRelativeAncestorDataTemplateTestPage()
+    {
+        this.InitializeComponent();
+    }
+}

components/Extensions/tests/Extensions.Tests.projitems

@@ -15,12 +15,20 @@
     <Compile Include="$(MSBuildThisFileDirectory)BitmapIconExtensionTests.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)DispatcherQueueExtensionTests.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)DispatcherQueueTimerExtensionTests.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Element\FrameworkElementExtensionsTests.RelativeAncestor.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Element\FrameworkElementRelativeAncestorDataTemplateTestPage.xaml.cs">
+      <DependentUpon>FrameworkElementRelativeAncestorDataTemplateTestPage.xaml</DependentUpon>
+    </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\ObjectWithNullableBoolProperty.cs" />
   </ItemGroup>
   <ItemGroup>
     <Page Include="$(MSBuildThisFileDirectory)BitmapIconExtensionTestPage.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)Element\FrameworkElementRelativeAncestorDataTemplateTestPage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
 </Project>