From 1279af82831f7f77b7b3994530f09f20809a18cb Mon Sep 17 00:00:00 2001
From: robloo <robert.looyengoed@gmail.com>
Date: Tue, 3 Nov 2020 21:29:51 -0500
Subject: [PATCH] feat(Expander): Add WinUI test page

---
 .../ExpanderTests/WinUIExpanderPage.xaml      | 92 +++++++++++++++++++
 .../ExpanderTests/WinUIExpanderPage.xaml.cs   | 39 ++++++++
 .../UITests.Shared/UITests.Shared.projitems   |  9 +-
 3 files changed, 139 insertions(+), 1 deletion(-)
 create mode 100644 src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml
 create mode 100644 src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml.cs

diff --git a/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml
new file mode 100644
index 000000000000..385e3c133bdd
--- /dev/null
+++ b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml
@@ -0,0 +1,92 @@
+<!-- Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. See LICENSE in the project root for license information. -->
+<UserControl
+    x:Class="UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests.WinUIExpanderPage"
+    x:Name="ExpanderTestPage"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:controls="using:Microsoft.UI.Xaml.Controls"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d">
+
+    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" Margin="12">
+		<ScrollViewer Grid.Column="0" Height="Auto">
+            <StackPanel Orientation="Vertical">
+                <StackPanel.ChildrenTransitions>
+                    <TransitionCollection>
+                        <RepositionThemeTransition IsStaggeringEnabled="False" />
+                    </TransitionCollection>
+                </StackPanel.ChildrenTransitions>
+
+                <controls:Expander x:Name ="ExpandedExpander" AutomationProperties.Name="ExpandedExpander"  HorizontalContentAlignment="Left" IsExpanded="True">
+                    <controls:Expander.Header>
+                        <TextBlock Style="{StaticResource HeaderTextBlockStyle}" Text="This expander is expanded by default." />
+                    </controls:Expander.Header>
+                    <TextBlock AutomationProperties.AutomationId="ExpandedExpanderContent">Content</TextBlock>
+                </controls:Expander>
+                
+                <controls:Expander AutomationProperties.AutomationId="CollapsedExpander" AutomationProperties.Name="Expander2" HorizontalContentAlignment="Left" IsExpanded="False">
+                    <controls:Expander.Header>
+                        <TextBlock Style="{StaticResource HeaderTextBlockStyle}" Text="This expander is collapsed by default." />
+                    </controls:Expander.Header>
+                    <TextBlock AutomationProperties.AutomationId="CollapsedExpanderContent">Content</TextBlock>
+                </controls:Expander>
+                
+                <controls:Expander AutomationProperties.Name="ParentExpander" HorizontalContentAlignment="Left" IsExpanded="False">
+                    <controls:Expander.Header>
+                        <TextBlock Style="{StaticResource HeaderTextBlockStyle}" Text="This expander has an expander inside" />
+                    </controls:Expander.Header>
+                    <controls:Expander AutomationProperties.Name="NestedExpander" HorizontalContentAlignment="Left" IsExpanded="False" Margin="30,0,0,0" >
+                        <controls:Expander.Header>
+                            <TextBlock Style="{StaticResource HeaderTextBlockStyle}" Text="Nested expander" />
+                        </controls:Expander.Header>
+                        <StackPanel HorizontalAlignment="Left">
+                            <Button>Button1</Button>
+                            <Button>Button2</Button>
+                        </StackPanel>
+                    </controls:Expander>
+                </controls:Expander>
+                
+                <controls:Expander AutomationProperties.Name="ExpanderWithButtons" HorizontalContentAlignment="Left" IsExpanded="False">
+                    <controls:Expander.Header>
+                        <ToggleButton>This is a toggle button in the header</ToggleButton>
+                    </controls:Expander.Header>
+                    <StackPanel>
+                        <TextBlock>Content</TextBlock>
+                    </StackPanel>
+                </controls:Expander>
+
+                <controls:Expander AutomationProperties.Name="ExpanderWithUpwardsDirection" HorizontalContentAlignment="Left" ExpandDirection="Up" IsExpanded="False">
+                    <controls:Expander.Header>
+                        <TextBlock Style="{StaticResource HeaderTextBlockStyle}">This expander will expand upwards</TextBlock>
+                    </controls:Expander.Header>
+                    <StackPanel>
+                        <TextBlock>Content</TextBlock>
+                    </StackPanel>
+                </controls:Expander>
+
+                <controls:Expander IsEnabled="False" AutomationProperties.Name="ExpanderNotEnabled" HorizontalContentAlignment="Left" ExpandDirection="Down" IsExpanded="False">
+                    <controls:Expander.Header>
+                        <TextBlock Style="{StaticResource HeaderTextBlockStyle}">This expander is not enabled</TextBlock>
+                    </controls:Expander.Header>
+                    <StackPanel>
+                        <TextBlock>Content</TextBlock>
+                    </StackPanel>
+                </controls:Expander>
+
+                <local:TestControl IsTabStop="True" x:Name="CustomControl" AutomationProperties.Name="CustomControl">
+                    <controls:Expander x:Name="ExpanderWithCustomEventsSource"  HorizontalContentAlignment="Left" ExpandDirection="Down" IsExpanded="False">
+                        <controls:Expander.Header>
+                            <TextBlock Style="{StaticResource HeaderTextBlockStyle}">This expander has a custom events source</TextBlock>
+                        </controls:Expander.Header>
+                        <StackPanel>
+                            <TextBlock>Content</TextBlock>
+                        </StackPanel>
+                    </controls:Expander>
+                </local:TestControl>
+            </StackPanel>
+        </ScrollViewer>
+
+    </Grid>
+</UserControl>
diff --git a/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml.cs b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml.cs
new file mode 100644
index 000000000000..396658225087
--- /dev/null
+++ b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/WinUIExpanderPage.xaml.cs
@@ -0,0 +1,39 @@
+using Uno.UI.Samples.Controls;
+using Windows.UI.Xaml.Automation.Peers;
+using Windows.UI.Xaml.Controls;
+
+namespace UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests
+{
+	// We are going to test setting the events source of an expander to the customcontrol's
+	public sealed partial class TestControl : ContentControl
+	{
+		protected override AutomationPeer OnCreateAutomationPeer()
+		{
+			return new TestControlAutomationPeer(this);
+		}
+	}
+
+	public sealed partial class TestControlAutomationPeer : FrameworkElementAutomationPeer
+	{
+		public TestControlAutomationPeer(TestControl owner) : base(owner) { }
+		protected override AutomationControlType GetAutomationControlTypeCore()
+		{
+			return AutomationControlType.Custom;
+		}
+	}
+
+	[Sample("Expander", "WinUI", Name = "WinUIExpanderPage")]
+	public sealed partial class WinUIExpanderPage : UserControl
+	{
+		public WinUIExpanderPage()
+		{
+			this.InitializeComponent();
+			var customControlPeer = FrameworkElementAutomationPeer.FromElement(CustomControl);
+			var expanderPeer = FrameworkElementAutomationPeer.FromElement(ExpanderWithCustomEventsSource);
+
+			// Commenting because of MuxTestInfra bug: 
+			// https://github.com/microsoft/microsoft-ui-xaml/issues/3491
+			//expanderPeer.EventsSource = customControlPeer;
+		}
+	}
+}
diff --git a/src/SamplesApp/UITests.Shared/UITests.Shared.projitems b/src/SamplesApp/UITests.Shared/UITests.Shared.projitems
index 2da89cf03f77..27490be49c09 100644
--- a/src/SamplesApp/UITests.Shared/UITests.Shared.projitems
+++ b/src/SamplesApp/UITests.Shared/UITests.Shared.projitems
@@ -97,6 +97,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\ExpanderTests\WinUIExpanderPage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="$(MSBuildThisFileDirectory)Msal\MsalLoginAndGraph.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -3645,6 +3649,9 @@
     <Compile Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\TwoPaneViewTests\TwoPaneViewPage.xaml.cs">
       <DependentUpon>TwoPaneViewPage.xaml</DependentUpon>
     </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\ExpanderTests\WinUIExpanderPage.xaml.cs">
+      <DependentUpon>WinUIExpanderPage.xaml</DependentUpon>
+    </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Msal\MsalLoginAndGraph.xaml.cs">
       <DependentUpon>MsalLoginAndGraph.xaml</DependentUpon>
     </Compile>
@@ -6428,4 +6435,4 @@
     <None Include="$(MSBuildThisFileDirectory)ItemExclusions.props" />
   </ItemGroup>
   <Import Project="ItemExclusions.props" />
-</Project>
+</Project>
\ No newline at end of file