Added UITest capabilities

Author: pictos

Diff for: samples/NuGet.config

@@ -0,0 +1,49 @@
+using Xunit;
+
+namespace CommunityToolkit.Maui.DeviceTests;
+[Collection("UITests")]
+public abstract class UITests<T> : IAsyncLifetime
+	where T : Page
+{
+	protected T CurrentPage { get; private set; } = default!;
+
+	protected IMauiContext MauiContext { get; private set; } = default!;
+
+	public async Task InitializeAsync()
+	{
+		Routing.RegisterRoute("uitests", typeof(T));
+
+		await Shell.Current.GoToAsync("uitests");
+
+		CurrentPage = (T)Shell.Current.CurrentPage;
+		MauiContext = CurrentPage.Handler!.MauiContext!;
+		if (CurrentPage.IsLoaded)
+		{
+			return;
+		}
+
+		var tcs = new TaskCompletionSource();
+		CurrentPage.Loaded += OnLoaded;
+
+		await Task.WhenAny(tcs.Task, Task.Delay(1000));
+
+		CurrentPage.Loaded -= OnLoaded;
+
+		Assert.True(CurrentPage.IsLoaded);
+
+		void OnLoaded(object? sender, EventArgs e)
+		{
+			CurrentPage.Loaded -= OnLoaded;
+			tcs.SetResult();
+		}
+	}
+
+	public async Task DisposeAsync()
+	{
+		CurrentPage = null!;
+
+		await Shell.Current.GoToAsync("..");
+
+		Routing.UnRegisterRoute("uitests");
+	}
+}

Diff for: src/CommunityToolkit.Maui.DeviceTests/CommunityToolkit.Maui.DeviceTests/BaseUITest.cs

@@ -64,4 +64,10 @@
     <ProjectReference Include="..\..\CommunityToolkit.Maui.Core\CommunityToolkit.Maui.Core.csproj" />
     <ProjectReference Include="..\..\CommunityToolkit.Maui\CommunityToolkit.Maui.csproj" />
   </ItemGroup>
+
+  <ItemGroup>
+    <MauiXaml Update="Tests\UITests\StatusBarTestPage.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </MauiXaml>
+  </ItemGroup>
 </Project>

Diff for: src/CommunityToolkit.Maui.DeviceTests/CommunityToolkit.Maui.DeviceTests/CommunityToolkit.Maui.DeviceTests.csproj

@@ -26,32 +26,4 @@ public void SomeBehavior()
 
 		Assert.Equal(expectedColor, appliedColor);
 	}
-
-	[Fact]
-	public async Task ChangeStatusBar()
-	{
-		var expectedColor = Colors.Fuchsia;
-		var page = new ContentPage();
-		var behavior = new IconTintColorBehavior();
-
-		var tcs = new TaskCompletionSource();
-		
-		page.Loaded += (s,e) => tcs.SetResult();
-
-		var cts = new CancellationTokenSource();
-		using var x = cts.Token.Register(() => tcs.SetCanceled());
-		cts.CancelAfter(10_000);
-
-		await tcs.Task;
-
-		page.Behaviors.Add(behavior);
-
-		behavior.TintColor = expectedColor;
-
-		var appliedColor = behavior.TintColor;
-
-		Assert.Equal(expectedColor, appliedColor);
-
-		
-	}
 }

Diff for: src/CommunityToolkit.Maui.DeviceTests/CommunityToolkit.Maui.DeviceTests/Tests/BehaviorTest.cs

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage
+    x:Class="CommunityToolkit.Maui.DeviceTests.Tests.UITests.StatusBarTestPage"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
+    Title="StatusBarTestPage">
+    <ContentPage.Behaviors>
+        <toolkit:StatusBarBehavior StatusBarColor="Fuchsia" />
+    </ContentPage.Behaviors>
+
+    <VerticalStackLayout>
+        <Label
+            HorizontalOptions="Center"
+            Text="Welcome to .NET MAUI!"
+            VerticalOptions="Center" />
+    </VerticalStackLayout>
+</ContentPage>

Diff for: src/CommunityToolkit.Maui.DeviceTests/CommunityToolkit.Maui.DeviceTests/Tests/UITests/StatusBarTestPage.xaml

@@ -0,0 +1,9 @@
+namespace CommunityToolkit.Maui.DeviceTests.Tests.UITests;
+
+public partial class StatusBarTestPage : ContentPage
+{
+	public StatusBarTestPage()
+	{
+		InitializeComponent();
+	}
+}

Diff for: src/CommunityToolkit.Maui.DeviceTests/CommunityToolkit.Maui.DeviceTests/Tests/UITests/StatusBarTestPage.xaml.cs

@@ -0,0 +1,26 @@
+using CommunityToolkit.Maui.Behaviors;
+using Xunit;
+
+namespace CommunityToolkit.Maui.DeviceTests.Tests.UITests;
+public sealed class StatusBarUITest : UITests<StatusBarTestPage>
+{
+	[UIFact]
+	public void IsBehaviorAttached()
+	{
+		var behavior = CurrentPage.Behaviors.FirstOrDefault( x => x is StatusBarBehavior);
+
+		Assert.NotNull(behavior);
+	}
+
+	[UIFact]
+	public void GetTheColor()
+	{
+		var behavior = CurrentPage.Behaviors.FirstOrDefault(x => x is StatusBarBehavior) as StatusBarBehavior;
+
+		Assert.NotNull(behavior);
+
+		var color = behavior.StatusBarColor;
+
+		Assert.Equal(Colors.Fuchsia, color);
+	}
+}