From 47290d490e51db378e52f899827edf4fafb85202 Mon Sep 17 00:00:00 2001
From: Michael Hawker <24302614+michael-hawker@users.noreply.github.com>
Date: Thu, 8 May 2025 11:30:01 -0700
Subject: [PATCH] Bring over initial test cases for Input Injector in order to
 be able to test Sizer controls
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See: https://github.com/CommunityToolkit/Labs-Windows/pull/183
And Tooling Branch: https://github.com/CommunityToolkit/Tooling-Windows-Submodule/tree/llama/input-injection-2025
TODO: More fluent API surface and figuring out how to do a Drag operation instead of just Click... 😅
---
 components/Sizers/src/SizerBase.xaml          |  8 ++-
 .../Sizers/tests/SizerInputTestClass.cs       | 60 +++++++++++++++++++
 .../Sizers/tests/Sizers.Tests.projitems       |  8 +++
 .../Sizers/tests/TouchInjectionTest.xaml      | 18 ++++++
 .../Sizers/tests/TouchInjectionTest.xaml.cs   | 25 ++++++++
 tooling                                       |  2 +-
 6 files changed, 118 insertions(+), 3 deletions(-)
 create mode 100644 components/Sizers/tests/SizerInputTestClass.cs
 create mode 100644 components/Sizers/tests/TouchInjectionTest.xaml
 create mode 100644 components/Sizers/tests/TouchInjectionTest.xaml.cs

diff --git a/components/Sizers/src/SizerBase.xaml b/components/Sizers/src/SizerBase.xaml
index fc306c7e..9f3711b9 100644
--- a/components/Sizers/src/SizerBase.xaml
+++ b/components/Sizers/src/SizerBase.xaml
@@ -1,4 +1,4 @@
-<!--  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.  -->
+<!--  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.  -->
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:controls="using:CommunityToolkit.WinUI.Controls">
@@ -46,7 +46,11 @@
     <x:Double x:Key="SizerBaseThumbRadius">2</x:Double>
     <Thickness x:Key="SizerBasePadding">4</Thickness>
 
-    <Style TargetType="controls:SizerBase">
+    <Style BasedOn="{StaticResource DefaultSizerBaseStyle}"
+           TargetType="controls:SizerBase" />
+
+    <Style x:Key="DefaultSizerBaseStyle"
+           TargetType="controls:SizerBase">
         <Setter Property="IsTabStop" Value="True" />
         <Setter Property="UseSystemFocusVisuals" Value="True" />
         <Setter Property="HorizontalAlignment" Value="Stretch" />
diff --git a/components/Sizers/tests/SizerInputTestClass.cs b/components/Sizers/tests/SizerInputTestClass.cs
new file mode 100644
index 00000000..5cee67b3
--- /dev/null
+++ b/components/Sizers/tests/SizerInputTestClass.cs
@@ -0,0 +1,60 @@
+// 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.WinUI.Controls;
+using CommunityToolkit.Tooling.TestGen;
+using CommunityToolkit.Tests;
+using CommunityToolkit.WinUI.Controls.Automation.Peers;
+using CommunityToolkit.Tests.Input;
+
+namespace SizersTests;
+
+[TestClass]
+public partial class SizerInputTestClass : VisualUITestBase
+{
+    [UIThreadTestMethod]
+    public void PropertySizer_TestTouchDrag(PropertySizerTestInitialBinding testControl)
+    {
+        var propertySizer = testControl.FindDescendant<PropertySizer>();
+
+        Assert.IsNotNull(propertySizer, "Could not find PropertySizer control.");
+        Assert.IsNotNull(App.ContentRoot, "Could not find ContentRoot.");
+        // Set in XAML Page LINK: PropertySizerTestInitialBinding.xaml#L14
+        Assert.AreEqual(300, propertySizer.Binding, "Property Sizer not at expected initial value.");
+
+        var location = App.ContentRoot.CoordinatesToCenter(propertySizer);
+
+        App.CurrentWindow.InjectInput();
+    }
+
+    [UIThreadTestMethod]
+    public async Task InputInjection_TestClickButton(TouchInjectionTest testControl)
+    {
+        var button = testControl.FindDescendant<Button>();
+
+        Assert.IsNotNull(button, "Could not find button control.");
+        Assert.IsFalse(testControl.WasButtonClicked, "Initial state unexpected. Button shouldn't be clicked yet.");
+
+        // Get location to button.
+        var location = App.ContentRoot!.CoordinatesToCenter(button); // TODO: Write a `CoordinatesToCenter` helper?
+
+        InputSimulator sim = App.CurrentWindow.InjectInput();
+
+        sim.StartTouch();
+        // Offset location slightly to ensure we're inside the button.
+        var pointerId = sim.TouchDown(new Point(location.X, location.Y));
+        await Task.Delay(50);
+        sim.TouchUp(pointerId);
+
+        // Ensure UI event is processed by our button
+        await CompositionTargetHelper.ExecuteAfterCompositionRenderingAsync(() => { });
+
+        // Optional delay for us to be able to see button content change before test shuts down.
+        await Task.Delay(250);
+
+        Assert.IsTrue(testControl.WasButtonClicked, "Button wasn't clicked.");
+
+        sim.StopTouch();
+    }
+}
diff --git a/components/Sizers/tests/Sizers.Tests.projitems b/components/Sizers/tests/Sizers.Tests.projitems
index fb8b8545..8caa6152 100644
--- a/components/Sizers/tests/Sizers.Tests.projitems
+++ b/components/Sizers/tests/Sizers.Tests.projitems
@@ -12,10 +12,14 @@
     <Compile Include="$(MSBuildThisFileDirectory)ContentSizerTestInitialLayout.xaml.cs">
       <DependentUpon>ContentSizerTestInitialLayout.xaml</DependentUpon>
     </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)SizerInputTestClass.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)ExampleSizerBaseTestClass.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)PropertySizerTestInitialBinding.xaml.cs">
       <DependentUpon>PropertySizerTestInitialBinding.xaml</DependentUpon>
     </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)TouchInjectionTest.xaml.cs">
+      <DependentUpon>TouchInjectionTest.xaml</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Page Include="$(MSBuildThisFileDirectory)ContentSizerTestInitialLayout.xaml">
@@ -26,5 +30,9 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)TouchInjectionTest.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/components/Sizers/tests/TouchInjectionTest.xaml b/components/Sizers/tests/TouchInjectionTest.xaml
new file mode 100644
index 00000000..fda246f0
--- /dev/null
+++ b/components/Sizers/tests/TouchInjectionTest.xaml
@@ -0,0 +1,18 @@
+<Page x:Class="SizersTests.TouchInjectionTest"
+      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:local="using:SizersTests"
+      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+      Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
+      mc:Ignorable="d">
+
+    <Grid>
+        <Button x:Name="TestButton"
+                Width="100"
+                Height="50"
+                Margin="100,100,0,0"
+                Click="TestButton_Click"
+                Content="Not Clicked" />
+    </Grid>
+</Page>
diff --git a/components/Sizers/tests/TouchInjectionTest.xaml.cs b/components/Sizers/tests/TouchInjectionTest.xaml.cs
new file mode 100644
index 00000000..81f90d6e
--- /dev/null
+++ b/components/Sizers/tests/TouchInjectionTest.xaml.cs
@@ -0,0 +1,25 @@
+// 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 SizersTests;
+
+/// <summary>
+/// An empty page that can be used on its own or navigated to within a Frame.
+/// </summary>
+public sealed partial class TouchInjectionTest : Page
+{
+    public bool WasButtonClicked { get; set; }
+
+    public TouchInjectionTest()
+    {
+        this.InitializeComponent();
+    }
+
+    private void TestButton_Click(object sender, RoutedEventArgs args)
+    {
+        WasButtonClicked = true;
+
+        TestButton.Content = "Clicked!";
+    }
+}
diff --git a/tooling b/tooling
index 58649b8c..2a514d41 160000
--- a/tooling
+++ b/tooling
@@ -1 +1 @@
-Subproject commit 58649b8cb57f3f35b6bfa9f4d8d04b28fd9d8696
+Subproject commit 2a514d4148c55b49c9538070db3a59f29e512d01