Update to xunit.v3 (#20331)

* Update to xunit.v3

* Little more progress

* More fixes

* Keep VSTest supported

* Adjust Nuke

* Few fixes

* Fix for xunit 2

* Fix GetData override

* Adjust

* Use MTP for xunit 2

* Fix test

* Better fix

* --no-progress

* Few more fixes

* no progress

* Fix test

* Better fix

* TRX

* Move to Directory.Build.props

* Unify on MTP v2

* Update

* Update to stable

* 1.0.1

* 1.0.2

* Fix some warnings

* Fix more warnings

* Fix more warnings

azure-pipelines-integrationtests.yml

@@ -43,7 +43,7 @@ jobs:
     inputs:
       command: 'test'
       projects: 'tests/Avalonia.IntegrationTests.Appium/Avalonia.IntegrationTests.Appium.csproj'
-      arguments: '-l "console;verbosity=detailed"'
+      arguments: '--no-progress'
 
   - script: |
       pkill IntegrationTestApp
@@ -94,6 +94,7 @@ jobs:
     inputs:
       command: 'run'
       projects: 'tests/Avalonia.IntegrationTests.Win32/Avalonia.IntegrationTests.Win32.csproj'
+      arguments: '--no-progress'
 
   - task: VSTest@2
     displayName: 'Run Appium Integration Tests'

build/XUnit.props

@@ -1,14 +1,10 @@
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
+  <ItemGroup Condition="'$(IsXUnit2)'!='true'">
+    <PackageReference Include="xunit.v3.mtp-v2" Version="3.2.1" />
+  </ItemGroup>
+  <ItemGroup Condition="'$(IsXUnit2)'=='true'">
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.assert" Version="2.9.3" />
+    <PackageReference Include="YTest.MTP.XUnit2" Version="1.0.2" />
-    <PackageReference Include="xunit.core" Version="2.9.3" />
-    <PackageReference Include="xunit.extensibility.core" Version="2.9.3" />
-    <PackageReference Include="xunit.extensibility.execution" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.console" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" Condition="'$(TargetFramework)' != 'netstandard2.0'" />
-    <PackageReference Include="Xunit.SkippableFact" Version="1.5.23" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
   </ItemGroup>
   <PropertyGroup>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)\avalonia.snk</AssemblyOriginatorKeyFile>

global.json

@@ -3,6 +3,9 @@
     "version": "10.0.101",
     "rollForward": "latestFeature"
   },
+  "test": {
+    "runner": "Microsoft.Testing.Platform"
+  },
   "msbuild-sdks": {
     "Microsoft.Build.Traversal": "4.1.0"
   }

nukebuild/Build.cs

@@ -111,6 +111,9 @@ partial class Build : NukeBuild
     DotNetTestSettings ApplySetting(DotNetTestSettings c, Configure<DotNetTestSettings> configurator = null) =>
         ApplySettingCore(c).Test.Apply(configurator);
 
+    DotNetRunSettings ApplySetting(DotNetRunSettings c, Configure<DotNetRunSettings> configurator = null) =>
+        ApplySettingCore(c).Run.Apply(configurator);
+
     Target Clean => _ => _.Executes(() =>
     {
         foreach (var buildDir in Parameters.BuildDirs)
@@ -182,7 +185,10 @@ partial class Build : NukeBuild
     {
         RunCoreTest(projectName, (project, tfm) =>
         {
-            DotNetTest(c => ApplySetting(c, project,tfm));
+            // NOTE: Nuke DotNetTest doesn't support Microsoft.Testing.Platform yet.
+            // Issue: https://github.com/nuke-build/nuke/issues/1584.
+            // However, we can easily use DotNetRun instead since MTP projects are executables.
+            DotNetRun(c => ApplySetting(c, project, tfm));
         });
     }
 
@@ -236,15 +242,17 @@ partial class Build : NukeBuild
         }
     }
 
-    DotNetTestSettings ApplySetting(DotNetTestSettings settings, string project, string tfm) =>
+    DotNetRunSettings ApplySetting(DotNetRunSettings settings, string project, string tfm) =>
         ApplySetting(settings)
         .SetProjectFile(project)
         .SetFramework(tfm)
         .EnableNoBuild()
         .EnableNoRestore()
+        // Disable progress output (works like terminal logger which isn't so nice in CI).
+        // See https://github.com/microsoft/testfx/issues/7056
+        .AddApplicationArguments("--no-progress")
         .When(_ => Parameters.PublishTestResults, _ => _
-            .SetLoggers("trx")
+            .AddApplicationArguments("--report-trx", "--results-directory", Parameters.TestResultsRoot));
-            .SetResultsDirectory(Parameters.TestResultsRoot));
 
     Target RunHtmlPreviewerTests => _ => _
         .OnlyWhenStatic(() => !(Parameters.SkipTests))

nukebuild/DotNetConfigHelper.cs

@@ -7,6 +7,7 @@ public class DotNetConfigHelper
     public DotNetBuildSettings Build;
     public DotNetPackSettings Pack;
     public DotNetTestSettings Test;
+    public DotNetRunSettings Run;
 
     public DotNetConfigHelper(DotNetBuildSettings s)
     {
@@ -23,6 +24,11 @@ public class DotNetConfigHelper
         Test = s;
     }
 
+    public DotNetConfigHelper(DotNetRunSettings s)
+    {
+        Run = s;
+    }
+
     public DotNetConfigHelper AddProperty(string key, bool value) =>
         AddProperty(key, value.ToString(CultureInfo.InvariantCulture).ToLowerInvariant());
     public DotNetConfigHelper AddProperty(string key, string value)
@@ -30,6 +36,7 @@ public class DotNetConfigHelper
         Build = Build?.AddProperty(key, value);
         Pack = Pack?.AddProperty(key, value);
         Test = Test?.AddProperty(key, value);
+        Run = Run?.AddProperty(key, value);
 
         return this;
     }
@@ -39,6 +46,7 @@ public class DotNetConfigHelper
         Build = Build?.SetConfiguration(configuration);
         Pack = Pack?.SetConfiguration(configuration);
         Test = Test?.SetConfiguration(configuration);
+        Run = Run?.SetConfiguration(configuration);
         return this;
     }
 
@@ -47,10 +55,12 @@ public class DotNetConfigHelper
         Build = Build?.SetVerbosity(verbosity);
         Pack = Pack?.SetVerbosity(verbosity);
         Test = Test?.SetVerbosity(verbosity);
+        Run = Run?.SetVerbosity(verbosity);
         return this;
     }
 
     public static implicit operator DotNetConfigHelper(DotNetBuildSettings s) => new DotNetConfigHelper(s);
     public static implicit operator DotNetConfigHelper(DotNetPackSettings s) => new DotNetConfigHelper(s);
     public static implicit operator DotNetConfigHelper(DotNetTestSettings s) => new DotNetConfigHelper(s);
+    public static implicit operator DotNetConfigHelper(DotNetRunSettings s) => new DotNetConfigHelper(s);
 }

tests/Avalonia.Base.UnitTests/Animation/AnimatableTests.cs

@@ -127,7 +127,7 @@ namespace Avalonia.Base.UnitTests.Animation
             var rect = new Rectangle() { Width = 11, };
 
             var clock = new TestClock();
-            animation.RunAsync(rect, clock);
+            animation.RunAsync(rect, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.Zero);
             Assert.Equal(1, rect.Width);

tests/Avalonia.Base.UnitTests/Animation/AnimationIterationTests.cs

@@ -34,7 +34,7 @@ namespace Avalonia.Base.UnitTests.Animation
 
             var clock = new TestClock();
 
-            animation.RunAsync(border, clock);
+            animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.Zero);
             Assert.Equal(border.Width, 0d);
@@ -69,7 +69,7 @@ namespace Avalonia.Base.UnitTests.Animation
             var border = new Border() { Height = 100d, Width = 100d };
 
             var clock = new TestClock();
-            var animationRun = animation.RunAsync(border, clock);
+            var animationRun = animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
 
             border.Measure(Size.Infinity);
             border.Arrange(new Rect(border.DesiredSize));
@@ -118,7 +118,7 @@ namespace Avalonia.Base.UnitTests.Animation
 
             var clock = new TestClock();
 
-            animation.RunAsync(border, clock);
+            animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.FromSeconds(0d));
             Assert.Equal(border.Width, 0d);
@@ -167,7 +167,7 @@ namespace Avalonia.Base.UnitTests.Animation
             
             var clock = new TestClock();
             
-            animation.RunAsync(border, clock);
+            animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
             
             clock.Step(TimeSpan.Zero);
             
@@ -211,7 +211,7 @@ namespace Avalonia.Base.UnitTests.Animation
             
             var clock = new TestClock();
             
-            animation.RunAsync(border, clock);
+            animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
             
             clock.Step(TimeSpan.FromSeconds(0));
             clock.Step(TimeSpan.FromSeconds(20));
@@ -495,7 +495,7 @@ namespace Avalonia.Base.UnitTests.Animation
             };
 
             var clock = new TestClock();
-            var animationRun = animation.RunAsync(border, clock);
+            var animationRun = animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.Zero);
             Assert.Equal(1, animator.CallCount);
@@ -556,7 +556,7 @@ namespace Avalonia.Base.UnitTests.Animation
             };
 
             var clock = new TestClock();
-            animation.RunAsync(border, clock);
+            animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.Zero);
             Assert.Equal(100.0, border.Width);
@@ -597,7 +597,7 @@ namespace Avalonia.Base.UnitTests.Animation
             };
 
             var clock = new TestClock();
-            animation.RunAsync(border, clock);
+            animation.RunAsync(border, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.Zero);
             clock.Step(TimeSpan.FromSeconds(cue));

tests/Avalonia.Base.UnitTests/Animation/KeySplineTests.cs

@@ -130,7 +130,7 @@ namespace Avalonia.Base.UnitTests.Animation
 
             var clock = new TestClock();
 
-            animation.RunAsync(rect, clock);
+            animation.RunAsync(rect, clock, TestContext.Current.CancellationToken);
 
             // position is what you'd expect at end and beginning
             clock.Step(TimeSpan.Zero);
@@ -185,7 +185,7 @@ namespace Avalonia.Base.UnitTests.Animation
 
             var clock = new TestClock();
 
-            animation.RunAsync(rect, clock);
+            animation.RunAsync(rect, clock, TestContext.Current.CancellationToken);
 
             // position is what you'd expect at end and beginning
             clock.Step(TimeSpan.Zero);
@@ -250,7 +250,7 @@ namespace Avalonia.Base.UnitTests.Animation
 
             var clock = new TestClock();
 
-            animation.RunAsync(rect, clock);
+            animation.RunAsync(rect, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.Zero);
             Assert.Equal(10.0, transform.Y, 0.0001);
@@ -299,7 +299,7 @@ namespace Avalonia.Base.UnitTests.Animation
 
             var clock = new TestClock();
 
-            animation.RunAsync(rect, clock);
+            animation.RunAsync(rect, clock, TestContext.Current.CancellationToken);
 
             clock.Step(TimeSpan.Zero);
             Assert.Equal(50.0, transform.Y, 0.0001);

tests/Avalonia.Base.UnitTests/Animation/SpringTests.cs

@@ -77,7 +77,7 @@ public class SpringTests
         var rect = new Rectangle() { RenderTransform = rotateTransform };
 
         var clock = new TestClock();
-        animation.RunAsync(rect, clock);
+        animation.RunAsync(rect, clock, TestContext.Current.CancellationToken);
 
         clock.Step(TimeSpan.Zero);
         Assert.Equal(-2.5, rotateTransform.Angle);

tests/Avalonia.Base.UnitTests/Avalonia.Base.UnitTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <IsTestProject>true</IsTestProject>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>

tests/Avalonia.Base.UnitTests/AvaloniaObjectTests_Binding.cs

@@ -985,7 +985,7 @@ namespace Avalonia.Base.UnitTests
             {
                 target.Bind(Class1.QuxProperty, source);
 
-                await Task.Run(() => source.OnNext(6.7));
+                await Task.Run(() => source.OnNext(6.7), TestContext.Current.CancellationToken);
             }
         }
 

tests/Avalonia.Base.UnitTests/AvaloniaPropertyRegistryTests.cs

@@ -2,7 +2,6 @@ using System;
 using System.Linq;
 using System.Reactive.Linq;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace Avalonia.Base.UnitTests
 {

tests/Avalonia.Base.UnitTests/Composition/CompositionAnimationTests.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Reflection;
+using System.Threading.Tasks;
 using Avalonia.Animation.Easings;
 using Avalonia.Base.UnitTests.Rendering;
 using Avalonia.Rendering;
@@ -12,6 +13,7 @@ using Avalonia.Threading;
 using Avalonia.UnitTests;
 using Xunit;
 using Xunit.Sdk;
+using Xunit.v3;
 
 namespace Avalonia.Base.UnitTests.Composition;
 
@@ -54,13 +56,19 @@ public class CompositionAnimationTests : ScopedTestBase
                 }
             };
 
-        public override IEnumerable<object[]> GetData(MethodInfo testMethod)
+        public override ValueTask<IReadOnlyCollection<ITheoryDataRow>> GetData(MethodInfo testMethod, DisposalTracker disposalTracker)
         {
+            var list = new List<ITheoryDataRow>();
             foreach (var ani in Generate())
             {
-                yield return new Object[] { ani };
+                list.Add(new TheoryDataRow<AnimationData>(ani));
             }
+
+            return ValueTask.FromResult<IReadOnlyCollection<ITheoryDataRow>>(list);
         }
+
+        public override bool SupportsDiscoveryEnumeration()
+            => true;
     }
 
     class DummyDispatcher : IDispatcher

tests/Avalonia.Base.UnitTests/Data/Core/BindingExpressionTests.Indexer.cs

@@ -182,7 +182,7 @@ public partial class BindingExpressionTests
         data.Foo["foo"] = "bar2";
 
         // Forces WeakEvent compact
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.Equal("bar2", target.String);
 

tests/Avalonia.Base.UnitTests/Data/Core/Plugins/IndeiValidationPluginTests.cs

@@ -61,7 +61,7 @@ namespace Avalonia.Base.UnitTests.Data.Core.Plugins
             Assert.Equal(1, data.ErrorsChangedSubscriptionCount);
             validator.Unsubscribe();
             // Forces WeakEvent compact
-            Dispatcher.UIThread.RunJobs();
+            Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
             Assert.Equal(0, data.ErrorsChangedSubscriptionCount);
         }
 

tests/Avalonia.Base.UnitTests/DispatcherTests.Exception.cs

@@ -37,7 +37,7 @@ public partial class DispatcherTests
         disp.Post(() => ThrowAnException());
         disp.Post(() => executed = true);
 
-        disp.RunJobs();
+        disp.RunJobs(null, TestContext.Current.CancellationToken);
         
         Assert.True(handled);
         Assert.True(executed);
@@ -62,7 +62,7 @@ public partial class DispatcherTests
         syncContext.Post(_ => ThrowAnException(), null);
         syncContext.Post(_ => executed = true, null);
 
-        disp.RunJobs();
+        disp.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.True(handled);
         Assert.True(executed);
@@ -88,7 +88,7 @@ public partial class DispatcherTests
         try
         {
             dispatcher.Post(ThrowAnException, DispatcherPriority.Normal);
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception e)
         {
@@ -115,7 +115,7 @@ public partial class DispatcherTests
         try
         {
             dispatcher.Post(ThrowAnException, DispatcherPriority.Normal);
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception)
         {
@@ -143,8 +143,8 @@ public partial class DispatcherTests
         try
         {
             // Since both Invoke and InvokeAsync can throw exception, there is no need to pass them to the UnhandledException.
-            dispatcher.Invoke(ThrowAnException, DispatcherPriority.Normal);
+            dispatcher.Invoke(ThrowAnException, DispatcherPriority.Normal, TestContext.Current.CancellationToken);
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception e)
         {
@@ -172,9 +172,9 @@ public partial class DispatcherTests
         try
         {
             // Since both Invoke and InvokeAsync can throw exception, there is no need to pass them to the UnhandledException.
-            var op = dispatcher.InvokeAsync(ThrowAnException, DispatcherPriority.Normal);
+            var op = dispatcher.InvokeAsync(ThrowAnException, DispatcherPriority.Normal, TestContext.Current.CancellationToken);
             op.Wait();
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception e)
         {
@@ -202,7 +202,7 @@ public partial class DispatcherTests
         try
         {
             dispatcher.Post(ThrowAnException, DispatcherPriority.Normal);
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception e)
         {
@@ -233,7 +233,7 @@ public partial class DispatcherTests
         try
         {
             dispatcher.Post(ThrowAnException, DispatcherPriority.Normal);
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception e)
         {
@@ -263,7 +263,7 @@ public partial class DispatcherTests
         try
         {
             dispatcher.Post(ThrowAnException, DispatcherPriority.Normal);
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception)
         {
@@ -291,7 +291,7 @@ public partial class DispatcherTests
         try
         {
             dispatcher.Post(ThrowAnException, DispatcherPriority.Normal);
-            dispatcher.RunJobs();
+            dispatcher.RunJobs(null, TestContext.Current.CancellationToken);
         }
         catch (Exception e)
         {

tests/Avalonia.Base.UnitTests/DispatcherTests.cs

@@ -137,8 +137,8 @@ public partial class DispatcherTests
         var impl = new SimpleDispatcherImpl();
         var disp = new Dispatcher(impl);
         var actions = new List<string>();
-        var toPromote = disp.InvokeAsync(()=>actions.Add("PromotedRender"), DispatcherPriority.Background);
+        var toPromote = disp.InvokeAsync(()=>actions.Add("PromotedRender"), DispatcherPriority.Background, TestContext.Current.CancellationToken);
-        var toPromote2 = disp.InvokeAsync(()=>actions.Add("PromotedRender2"), DispatcherPriority.Input);
+        var toPromote2 = disp.InvokeAsync(()=>actions.Add("PromotedRender2"), DispatcherPriority.Input, TestContext.Current.CancellationToken);
         disp.Post(() => actions.Add("Render"), DispatcherPriority.Render);
 
         toPromote.Priority = DispatcherPriority.Render;
@@ -444,7 +444,7 @@ public partial class DispatcherTests
             }, DispatcherPriority.Background);
             disp.MainLoop(CancellationToken.None);
 
-            disp.Invoke(DumpCurrentPriority, DispatcherPriority.Send);
+            disp.Invoke(DumpCurrentPriority, DispatcherPriority.Send, TestContext.Current.CancellationToken);
             disp.Invoke(() =>
             {
                 DumpCurrentPriority();
@@ -500,7 +500,7 @@ public partial class DispatcherTests
         {
             var t = Test();
             var cts = new CancellationTokenSource();
-            Task.Delay(3000).ContinueWith(_ => cts.Cancel());
+            Task.Delay(3000, TestContext.Current.CancellationToken).ContinueWith(_ => cts.Cancel(), TestContext.Current.CancellationToken);
             Dispatcher.UIThread.MainLoop(cts.Token);
             Assert.True(t.IsCompletedSuccessfully);
             t.GetAwaiter().GetResult();
@@ -657,7 +657,7 @@ public partial class DispatcherTests
                 tokenSource.Cancel();
             });
 
-        });
+        }, TestContext.Current.CancellationToken);
 
         Dispatcher.UIThread.MainLoop(tokenSource.Token);
         await Task.WhenAll(task);
@@ -699,7 +699,7 @@ public partial class DispatcherTests
             {
                 tokenSource.Cancel();
             });
-        });
+        }, TestContext.Current.CancellationToken);
 
         Dispatcher.UIThread.MainLoop(tokenSource.Token);
         await Task.WhenAll(task);
@@ -753,7 +753,7 @@ public partial class DispatcherTests
                 await Task.WhenAll(task1);
                 tokenSource.Cancel();
             });
-        });
+        }, TestContext.Current.CancellationToken);
 
         try
         {

tests/Avalonia.Base.UnitTests/Input/KeyboardNavigationTests_Tab.cs

@@ -1311,7 +1311,7 @@ namespace Avalonia.Base.UnitTests.Input
 
             top.ApplyTemplate();
 
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
             var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Next) as Button;
 

tests/Avalonia.Base.UnitTests/Layout/LayoutManagerTests.cs

@@ -474,7 +474,7 @@ namespace Avalonia.Base.UnitTests.Layout
             root.LayoutManager.InvalidateArrange(control);
             root.LayoutManager.ExecuteInitialLayoutPass();
             
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Render);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Render, TestContext.Current.CancellationToken);
             
             Assert.Equal(1, layoutCount);
         }

tests/Avalonia.Base.UnitTests/Media/TextFormatting/BiDiAlgorithmTests.cs

@@ -1,7 +1,6 @@
 using Avalonia.Media.TextFormatting.Unicode;
 using Avalonia.Utilities;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace Avalonia.Visuals.UnitTests.Media.TextFormatting
 {

tests/Avalonia.Base.UnitTests/Media/TextFormatting/BiDiClassTests.cs

@@ -4,7 +4,6 @@ using System.Runtime.InteropServices;
 using System.Text;
 using Avalonia.Media.TextFormatting.Unicode;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace Avalonia.Visuals.UnitTests.Media.TextFormatting
 {

tests/Avalonia.Base.UnitTests/Media/TextFormatting/GraphemeBreakClassTrieGeneratorTests.cs

@@ -2,7 +2,6 @@
 using Avalonia.Media.TextFormatting.Unicode;
 using Avalonia.Visuals.UnitTests.Media.TextFormatting;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace Avalonia.Base.UnitTests.Media.TextFormatting
 {

tests/Avalonia.Base.UnitTests/Media/TextFormatting/LineBreakEnumeratorTests.cs

@@ -6,7 +6,6 @@ using System.Linq;
 using System.Net.Http;
 using Avalonia.Media.TextFormatting.Unicode;
 using Xunit;
-using Xunit.Abstractions;
 using static Avalonia.Media.TextFormatting.Unicode.LineBreakEnumerator;
 
 namespace Avalonia.Base.UnitTests.Media.TextFormatting

tests/Avalonia.Benchmarks/Avalonia.Benchmarks.csproj

@@ -3,6 +3,7 @@
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
     <OutputType>Exe</OutputType>
     <IsPackable>false</IsPackable>
+    <XunitAutoGeneratedEntryPoint>false</XunitAutoGeneratedEntryPoint>
   </PropertyGroup>
   <Import Project="..\..\build\SharedVersion.props" />
   <ItemGroup>

tests/Avalonia.Build.Tasks.UnitTest/Avalonia.Build.Tasks.UnitTest.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFrameworks>$(AvsCurrentTargetFramework);net481</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <IsPackable>false</IsPackable>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Configuration Condition="'$(Configuration)'==''">Debug</Configuration>

tests/Avalonia.Controls.UnitTests/Avalonia.Controls.UnitTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
   <Import Project="..\..\build\UnitTests.NetCore.targets" />

tests/Avalonia.Controls.UnitTests/ButtonTests.cs

@@ -103,7 +103,7 @@ namespace Avalonia.Controls.UnitTests
             };
             var root = new TestRoot { Child = target };
 
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
             Assert.True(target.IsEnabled);
             Assert.False(target.IsEffectivelyEnabled);
@@ -341,7 +341,7 @@ namespace Avalonia.Controls.UnitTests
             target.Presenter!.UpdateChild();
             kd.SetFocusedElement(target, NavigationMethod.Unspecified, KeyModifiers.None);
 
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
             var accessKey = Key.A;
             target.CommandParameter = true;

tests/Avalonia.Controls.UnitTests/CalendarDatePickerTests.cs

@@ -33,7 +33,7 @@ namespace Avalonia.Controls.UnitTests
                 };
                 DateTime value = new DateTime(2000, 10, 10);
                 datePicker.SelectedDate = value;
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
                 Assert.True(handled);
             }
         }

tests/Avalonia.Controls.UnitTests/DatePickerTests.cs

@@ -30,7 +30,7 @@ namespace Avalonia.Controls.UnitTests
                 };
                 DateTimeOffset value = new DateTimeOffset(2000, 10, 10, 0, 0, 0, TimeSpan.Zero);
                 datePicker.SelectedDate = value;
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
                 Assert.True(handled);
             }
         }
@@ -46,7 +46,7 @@ namespace Avalonia.Controls.UnitTests
                     DayVisible = false
                 };
                 datePicker.ApplyTemplate();
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 var desc = datePicker.GetVisualDescendants();
                 Assert.True(desc.Count() > 1);//Should be layoutroot grid & button
@@ -81,7 +81,7 @@ namespace Avalonia.Controls.UnitTests
                     MonthVisible = false
                 };
                 datePicker.ApplyTemplate();
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 var desc = datePicker.GetVisualDescendants();
                 Assert.True(desc.Count() > 1);//Should be layoutroot grid & button
@@ -116,7 +116,7 @@ namespace Avalonia.Controls.UnitTests
                     YearVisible = false
                 };
                 datePicker.ApplyTemplate();
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 var desc = datePicker.GetVisualDescendants();
                 Assert.True(desc.Count() > 1);//Should be layoutroot grid & button
@@ -151,7 +151,7 @@ namespace Avalonia.Controls.UnitTests
                     YearVisible = false
                 };
                 datePicker.ApplyTemplate();
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 var desc = datePicker.GetVisualDescendants();
                 Assert.True(desc.Count() > 1);//Should be layoutroot grid & button
@@ -232,7 +232,7 @@ namespace Avalonia.Controls.UnitTests
 
             Assert.True(DataValidationErrors.GetHasErrors(datePicker));
 
-            Dispatcher.UIThread.RunJobs();
+            Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
             datePicker.SelectedDate = new DateTimeOffset(2005, 5, 10, 11, 12, 13, TimeSpan.Zero);
             Assert.True(handled);
         }

tests/Avalonia.Controls.UnitTests/GridLengthTests.cs

@@ -118,7 +118,7 @@ namespace Avalonia.Controls.UnitTests
                 {
                     CultureInfo.CurrentCulture = culture;
                     Assert.Equal(result, length.ToString());
-                });
+                }, TestContext.Current.CancellationToken);
             }
         }
     }

tests/Avalonia.Controls.UnitTests/GridTests.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Linq;
 using Avalonia.UnitTests;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace Avalonia.Controls.UnitTests
 {

tests/Avalonia.Controls.UnitTests/ListBoxTests.cs

@@ -435,7 +435,7 @@ namespace Avalonia.Controls.UnitTests
                 items.Remove("1");
                 lm.ExecuteLayoutPass();
 
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 Assert.Equal("30", target.ContainerFromIndex(items.Count - 1)!.DataContext);
                 Assert.Equal("29", target.ContainerFromIndex(items.Count - 2)!.DataContext);
@@ -462,12 +462,12 @@ namespace Avalonia.Controls.UnitTests
 
                 Prepare(target);
 
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 // First an item that is not index 0 must be selected.
                 _mouse.Click(target.Presenter!.Panel!.Children[1]);
 
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 Assert.Equal(1, target.Selection.AnchorIndex);
 
@@ -489,7 +489,7 @@ namespace Avalonia.Controls.UnitTests
                 // Click item 9.
                 _mouse.Click(item);
 
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 Assert.Equal(1, raised);
             }
@@ -732,7 +732,7 @@ namespace Avalonia.Controls.UnitTests
             items.Reverse();
             Layout(target);
 
-            Threading.Dispatcher.UIThread.RunJobs();
+            Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
             realized = target.GetRealizedContainers()
                 .Cast<ListBoxItem>()

tests/Avalonia.Controls.UnitTests/LoadedTests.cs

@@ -25,7 +25,7 @@ public class LoadedTests : ScopedTestBase
             Assert.Equal(0, unloadedCount);
             
             target.Show();
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
             Assert.True(target.IsLoaded);
 
             Assert.Equal(1, loadedCount);
@@ -59,7 +59,7 @@ public class LoadedTests : ScopedTestBase
             Assert.Equal(0, unloadedCount);
             
             window.Content = target;
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
             Assert.True(target.IsLoaded);
 
             Assert.Equal(1, loadedCount);
@@ -98,7 +98,7 @@ public class LoadedTests : ScopedTestBase
         // Attach to another logical parent (this can actually happen outside tests with overlay popups)
         ((ISetLogicalParent) target).SetParent(new Window());
 
-        Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+        Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
         // At this point, the control shouldn't have been loaded at all.
         Assert.Null(target.VisualParent);

tests/Avalonia.Controls.UnitTests/MenuItemTests.cs

@@ -139,7 +139,7 @@ namespace Avalonia.Controls.UnitTests
             };
             var root = new TestRoot { Child = target };
 
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
             Assert.True(target.IsEnabled);
             Assert.False(target.IsEffectivelyEnabled);
@@ -213,7 +213,7 @@ namespace Avalonia.Controls.UnitTests
             var target = new MenuItem { Command = command };
             var root = new TestRoot { Child = target };
 
-            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+            Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
             target.CommandParameter = true;
             Assert.True(target.IsEffectivelyEnabled);
@@ -239,7 +239,7 @@ namespace Avalonia.Controls.UnitTests
                 window.ApplyStyling();
                 window.ApplyTemplate();
                 window.Presenter!.ApplyTemplate();
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
                 Assert.True(target.IsEffectivelyEnabled);
                 target.Command = command;
@@ -252,7 +252,7 @@ namespace Avalonia.Controls.UnitTests
                 Assert.Equal(0, canExecuteCallCount);
 
                 contextMenu.Open();
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
                 Assert.Equal(3, canExecuteCallCount);// 3 because popup is changing logical child and moreover we need to invalidate again after the item is attached to the visual tree
 
                 command.RaiseCanExecuteChanged();
@@ -281,7 +281,7 @@ namespace Avalonia.Controls.UnitTests
                 window.ApplyStyling();
                 window.ApplyTemplate();
                 window.Presenter!.ApplyTemplate();
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
                 Assert.True(target.IsEffectivelyEnabled);
                 target.Command = command;
                 Assert.Equal(0, canExecuteCallCount);
@@ -293,7 +293,7 @@ namespace Avalonia.Controls.UnitTests
                 Assert.Equal(0, canExecuteCallCount);
 
                 flyout.ShowAt(button);
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
                 Assert.Equal(2, canExecuteCallCount); // 2 because we need to invalidate after the item is attached to the visual tree
 
                 command.RaiseCanExecuteChanged();
@@ -324,7 +324,7 @@ namespace Avalonia.Controls.UnitTests
                 window.Presenter!.ApplyTemplate();
                 contextMenu.Open();
 
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.Loaded, TestContext.Current.CancellationToken);
 
                 Assert.True(target.IsEffectivelyEnabled);
                 target.Command = command;

tests/Avalonia.Controls.UnitTests/Platform/ScreensTests.cs

@@ -25,7 +25,7 @@ public class ScreensTests : ScopedTestBase
 
         // Push 2 screens.
         screens.PushNewScreens([1, 2]);
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.Equal(2, screens.ScreenCount);
         totalScreens.Add(Assert.IsType<TestScreen>(screens.GetScreen(1)));
@@ -33,7 +33,7 @@ public class ScreensTests : ScopedTestBase
 
         // Push 3 screens, while removing one old.
         screens.PushNewScreens([2, 3, 4]);
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.Equal(3, screens.ScreenCount);
         Assert.Null(screens.GetScreen(1));
@@ -64,7 +64,7 @@ public class ScreensTests : ScopedTestBase
         Assert.Empty(screens.AllScreens);
 
         screens.PushNewScreens([1]);
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         var screen = screens.GetScreen(1);
 
@@ -73,7 +73,7 @@ public class ScreensTests : ScopedTestBase
         Assert.Equal(new IntPtr(1), screen.TryGetPlatformHandle()!.Handle);
 
         screens.PushNewScreens([1]);
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.Equal(2, screen.Generation);
         Assert.Equal(new IntPtr(1), screen.TryGetPlatformHandle()!.Handle);
@@ -94,7 +94,7 @@ public class ScreensTests : ScopedTestBase
 
         screens.PushNewScreens([1, 2]);
         screens.PushNewScreens([1, 2]); // OnChanged can be triggered multiple times by different events
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.Equal(2, screens.ScreenCount);
         Assert.NotEmpty(screens.AllScreens);
@@ -118,7 +118,7 @@ public class ScreensTests : ScopedTestBase
         };
 
         ThreadRunHelper.RunOnDedicatedThread(() => screens.PushNewScreens([1, 2])).GetAwaiter().GetResult();
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.Equal(1, hasChangedTimes);
     }
@@ -131,7 +131,7 @@ public class ScreensTests : ScopedTestBase
 
         var screens = new TestScreens();
         screens.PushNewScreens([1, 2]);
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         var hasChangedTimes = 0;
         var screen = screens.GetScreen(2);
@@ -144,7 +144,7 @@ public class ScreensTests : ScopedTestBase
         };
 
         screens.PushNewScreens([1]);
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
         Assert.Equal(1, hasChangedTimes);
     }

tests/Avalonia.Controls.UnitTests/Primitives/PopupTests.cs

@@ -814,7 +814,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                 var window = PreparedWindow(popup);
                 window.Show();
                 popup.Open();
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender, TestContext.Current.CancellationToken);
 
                 var raised = false;
                 if (popup.Host is PopupRoot popupRoot)
@@ -837,7 +837,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                     };
                 }
                 window.Position = new PixelPoint(10, 10);
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender, TestContext.Current.CancellationToken);
                 Assert.False(raised);
             }
         }
@@ -867,7 +867,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                 var window = PreparedWindow(placementTarget);
                 window.Show();
                 popup.Open();
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender, TestContext.Current.CancellationToken);
 
                 // The target's initial placement is (395,295) which is a 10x10 panel centered in a 800x600 window
                 Assert.Equal(placementTarget.Bounds, new Rect(395D, 295D, 10, 10));
@@ -898,7 +898,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                     };
                 }
                 window.PlatformImpl?.Resize(new Size(700D, 500D), WindowResizeReason.Unspecified);
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender, TestContext.Current.CancellationToken);
                 Assert.True(raised);
             }
         }
@@ -928,7 +928,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                 var window = PreparedWindow(placementTarget);
                 window.Show();
                 popup.Open();
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender, TestContext.Current.CancellationToken);
 
                 // The target's initial placement is (395,295) which is a 10x10 panel centered in a 800x600 window
                 Assert.Equal(placementTarget.Bounds, new Rect(395D, 295D, 10, 10));
@@ -954,7 +954,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                     };
                 }
                 window.PlatformImpl?.Resize(new Size(700D, 500D), WindowResizeReason.Unspecified);
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender, TestContext.Current.CancellationToken);
                 Assert.False(raised);
             }
         }
@@ -983,7 +983,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                 var window = PreparedWindow(placementTarget);
                 window.Show();
                 popup.Open();
-                Dispatcher.UIThread.RunJobs();
+                Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 // The target's initial placement is (395,295) which is a 10x10 panel centered in a 800x600 window
                 Assert.Equal(placementTarget.Bounds, new Rect(395D, 295D, 10, 10));
@@ -1013,7 +1013,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                     };
                 }
                 placementTarget.Margin = new Thickness(10, 0, 0, 0);
-                Dispatcher.UIThread.RunJobs();
+                Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
                 Assert.True(raised);
             }
         }
@@ -1043,7 +1043,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                 var window = PreparedWindow(placementTarget);
                 window.Show();
                 popup.Open();
-                Dispatcher.UIThread.RunJobs();
+                Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 // The target's initial placement is (395,295) which is a 10x10 panel centered in a 800x600 window
                 Assert.Equal(placementTarget.Bounds, new Rect(395D, 295D, 10, 10));
@@ -1069,7 +1069,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
                     };
                 }
                 placementTarget.Margin = new Thickness(10, 0, 0, 0);
-                Dispatcher.UIThread.RunJobs();
+                Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
                 Assert.False(raised);
             }
         }
@@ -1240,7 +1240,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
 
                 root.LayoutManager.ExecuteInitialLayoutPass();
                 popup.Open();
-                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender);
+                Dispatcher.UIThread.RunJobs(DispatcherPriority.AfterRender, TestContext.Current.CancellationToken);
 
                 // X: Adorned Canvas.Left + Adorner Margin Left + Adorner Width
                 // Y: Adorned Canvas.Top + Adorner Margin Top + Adorner Height

tests/Avalonia.Controls.UnitTests/Primitives/SelectingItemsControlTests.cs

@@ -1649,7 +1649,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
             Prepare(target);
             target.AddHandler(Control.RequestBringIntoViewEvent, (s, e) => raised = true);
             target.SelectedIndex = 2;
-            Threading.Dispatcher.UIThread.RunJobs();
+            Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
             Assert.True(raised);
         }
 
@@ -1676,7 +1676,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
             target.AddHandler(Control.RequestBringIntoViewEvent, (s, e) => raised = true);
             target.SelectedIndex = 2;
             Prepare(target);
-            Threading.Dispatcher.UIThread.RunJobs();
+            Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
             Assert.True(raised);
         }
 
@@ -1750,7 +1750,7 @@ namespace Avalonia.Controls.UnitTests.Primitives
             root.Child = null;
             target.SelectedIndex = 1;
             root.Child = target;
-            Threading.Dispatcher.UIThread.RunJobs();
+            Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
             Assert.True(raised);
         }
 
@@ -1811,11 +1811,11 @@ namespace Avalonia.Controls.UnitTests.Primitives
             var raised = false;
             target.AddHandler(Control.RequestBringIntoViewEvent, (s, e) => raised = true);
             target.SelectedIndex = 2;
-            Threading.Dispatcher.UIThread.RunJobs();
+            Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
             Assert.False(raised);
 
             target.AutoScrollToSelectedItem = true;
-            Threading.Dispatcher.UIThread.RunJobs();
+            Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
             Assert.True(raised);
         }
 

tests/Avalonia.Controls.UnitTests/TimePickerTests.cs

@@ -30,7 +30,7 @@ namespace Avalonia.Controls.UnitTests
                 };
                 TimeSpan value = TimeSpan.FromHours(10);
                 timePicker.SelectedTime = value;
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
                 Assert.True(handled);
             }
         }
@@ -249,7 +249,7 @@ namespace Avalonia.Controls.UnitTests
 
                 Assert.True(DataValidationErrors.GetHasErrors(timePicker));
 
-                Dispatcher.UIThread.RunJobs();
+                Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
                 timePicker.SelectedTime = new TimeSpan(11, 12, 13);
                 Assert.True(handled);
             }

tests/Avalonia.Controls.UnitTests/TransitioningContentControlTests.cs

@@ -9,6 +9,7 @@ using Avalonia.Controls.Templates;
 using Avalonia.Headless;
 using Avalonia.Layout;
 using Avalonia.Platform;
+using Avalonia.Threading;
 using Avalonia.UnitTests;
 using Avalonia.VisualTree;
 using Xunit;

tests/Avalonia.Controls.UnitTests/Utils/HotKeyManagerTests.cs

@@ -53,7 +53,7 @@ namespace Avalonia.Controls.UnitTests.Utils
         }
 
         [Theory]
-        [MemberData(nameof(ElementsFactory), parameters: true)]
+        [MemberData(nameof(ElementsFactory), arguments: true)]
         public void HotKeyManager_Should_Use_CommandParameter(string factoryName, Factory factory)
         {
             using (AvaloniaLocator.EnterScope())
@@ -98,7 +98,7 @@ namespace Avalonia.Controls.UnitTests.Utils
 
 
         [Theory]
-        [MemberData(nameof(ElementsFactory), parameters: true)]
+        [MemberData(nameof(ElementsFactory), arguments: true)]
         public void HotKeyManager_Should_Do_Not_Executed_When_IsEnabled_False(string factoryName, Factory factory)
         {
             using (AvaloniaLocator.EnterScope())
@@ -141,7 +141,7 @@ namespace Avalonia.Controls.UnitTests.Utils
         }
 
         [Theory]
-        [MemberData(nameof(ElementsFactory), parameters:false)]
+        [MemberData(nameof(ElementsFactory), arguments:false)]
         public void HotKeyManager_Should_Invoke_Event_Click_When_Command_Is_Null(string factoryName, Factory factory)
         {
             using (AvaloniaLocator.EnterScope())
@@ -197,7 +197,7 @@ namespace Avalonia.Controls.UnitTests.Utils
         }
 
         [Theory]
-        [MemberData(nameof(ElementsFactory), parameters: true)]
+        [MemberData(nameof(ElementsFactory), arguments: true)]
         public void HotKeyManager_Should_Not_Invoke_Event_Click_When_Command_Is_Not_Null(string factoryName, Factory factory)
         {
             using (AvaloniaLocator.EnterScope())

tests/Avalonia.Controls.UnitTests/WindowTests.cs

@@ -718,7 +718,7 @@ namespace Avalonia.Controls.UnitTests
                     target.Width = 120;
                     target.Height = 70;
 
-                    Dispatcher.UIThread.RunJobs();
+                    Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                     Assert.Equal(1, child.MeasureSizes.Count);
                     Assert.Equal(new Size(120, 70), child.MeasureSizes[0]);

tests/Avalonia.DesignerSupport.Tests/Avalonia.DesignerSupport.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <WebAppDir>$(MSBuildThisFileDirectory)Remote/HtmlTransport/webapp</WebAppDir>
   </PropertyGroup>
   <Import Project="..\..\build\UnitTests.NetCore.targets" />

tests/Avalonia.DesignerSupport.Tests/DesignerSupportTests.cs

@@ -13,21 +13,20 @@ using Avalonia.Remote.Protocol;
 using Avalonia.Remote.Protocol.Designer;
 using Avalonia.Remote.Protocol.Viewport;
 using Xunit;
-using Xunit.Extensions;
 
 namespace Avalonia.DesignerSupport.Tests
 {
     public class DesignerSupportTests
     {
         private const string DesignerAppPath = "../../../../../src/tools/Avalonia.Designer.HostApp/bin/$BUILD/$TFM/Avalonia.Designer.HostApp.dll";
-        private readonly Xunit.Abstractions.ITestOutputHelper outputHelper;
+        private readonly ITestOutputHelper outputHelper;
 
-        public DesignerSupportTests(Xunit.Abstractions.ITestOutputHelper outputHelper)
+        public DesignerSupportTests(ITestOutputHelper outputHelper)
         {
             this.outputHelper = outputHelper;
         }
 
-        [SkippableTheory,
+        [Theory,
          InlineData(
             @"..\..\..\..\..\tests/Avalonia.DesignerSupport.TestApp/bin/$BUILD/$TFM/",
             "Avalonia.DesignerSupport.TestApp",
@@ -63,7 +62,7 @@ namespace Avalonia.DesignerSupport.Tests
             xamlFile = Path.GetFullPath(xamlFile.Replace('\\', Path.DirectorySeparatorChar));
             
             if (method == "win32")
-                Skip.IfNot(RuntimeInformation.IsOSPlatform(OSPlatform.Windows));
+                Assert.SkipUnless(RuntimeInformation.IsOSPlatform(OSPlatform.Windows), "Windows-only");
 
             var xaml = File.ReadAllText(xamlFile);
             string buildType;

tests/Avalonia.DesignerSupport.Tests/RemoteProtocolTests.cs

@@ -139,7 +139,7 @@ namespace Avalonia.DesignerSupport.Tests
                 foreach (var p in t.GetProperties())
                     p.SetValue(o, GetRandomValue(p.PropertyType, $"{t.FullName}.{p.Name}"));
 
-                _client.Send(o).Wait(TimeoutInMs);
+                _client.Send(o).Wait(TimeoutInMs, TestContext.Current.CancellationToken);
                 var received = TakeServer();
                 Helpers.StructDiff(received, o);
 
@@ -199,11 +199,11 @@ namespace Avalonia.DesignerSupport.Tests
                     {
                         exceptions.Add(ex);
                     }
-                });
+                }, TestContext.Current.CancellationToken);
                 tasks.Add(task);
             }
 
-            Task.WaitAll(tasks.ToArray(), TimeoutInMs * messages.Length * 10);
+            Task.WaitAll(tasks.ToArray(), TimeoutInMs * messages.Length * 10, TestContext.Current.CancellationToken);
             
             // Verify no exceptions occurred
             Assert.Empty(exceptions);

tests/Avalonia.Generators.Tests/InitializeComponent/InitializeComponentTests.cs

@@ -61,7 +61,7 @@ public class InitializeComponentTests
             .Replace("\r", string.Empty)
             .Replace("$GeneratorVersion", generatorVersion);
             
-        CSharpSyntaxTree.ParseText(code);
+        CSharpSyntaxTree.ParseText(code, cancellationToken: TestContext.Current.CancellationToken);
         Assert.Equal(expected, code);
     }
 }

tests/Avalonia.Generators.Tests/OnlyProperties/OnlyPropertiesTests.cs

@@ -55,7 +55,7 @@ public class OnlyPropertiesTests
             .Replace("\r", string.Empty)
             .Replace("$GeneratorVersion", generatorVersion);
 
-        CSharpSyntaxTree.ParseText(code);
+        CSharpSyntaxTree.ParseText(code, cancellationToken: TestContext.Current.CancellationToken);
         Assert.Equal(expected, code);
     }
 }

tests/Avalonia.Headless.NUnit.PerAssembly.UnitTests/Avalonia.Headless.NUnit.PerAssembly.UnitTests.csproj

@@ -3,6 +3,8 @@
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
     <IsTestProject>true</IsTestProject>
     <DefineConstants>$(DefineConstants);NUNIT</DefineConstants>
+    <EnableNUnitRunner>true</EnableNUnitRunner>
+    <OutputType>Exe</OutputType>
   </PropertyGroup>
 
   <Import Project="..\..\build\UnitTests.NetCore.targets" />
@@ -14,7 +16,6 @@
   <ItemGroup>
     <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
   </ItemGroup>
 
   <ItemGroup>

tests/Avalonia.Headless.NUnit.PerTest.UnitTests/Avalonia.Headless.NUnit.PerTest.UnitTests.csproj

@@ -3,6 +3,8 @@
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
     <IsTestProject>true</IsTestProject>
     <DefineConstants>$(DefineConstants);NUNIT</DefineConstants>
+    <EnableNUnitRunner>true</EnableNUnitRunner>
+    <OutputType>Exe</OutputType>
   </PropertyGroup>
 
   <Import Project="..\..\build\UnitTests.NetCore.targets" />
@@ -14,7 +16,6 @@
   <ItemGroup>
     <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="6.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
   </ItemGroup>
 
   <ItemGroup>

tests/Avalonia.Headless.XUnit.PerAssembly.UnitTests/Avalonia.Headless.XUnit.PerAssembly.UnitTests.csproj

@@ -1,8 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
+    <OutputType>Exe</OutputType>
     <IsTestProject>true</IsTestProject>
     <DefineConstants>$(DefineConstants);XUNIT</DefineConstants>
+    <IsXUnit2>true</IsXUnit2>
   </PropertyGroup>
 
   <Import Project="..\..\build\UnitTests.NetCore.targets" />

tests/Avalonia.Headless.XUnit.PerTest.UnitTests/Avalonia.Headless.XUnit.PerTest.UnitTests.csproj

@@ -1,8 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
+    <OutputType>Exe</OutputType>
     <IsTestProject>true</IsTestProject>
     <DefineConstants>$(DefineConstants);XUNIT</DefineConstants>
+    <IsXUnit2>true</IsXUnit2>
   </PropertyGroup>
 
   <Import Project="..\..\build\UnitTests.NetCore.targets" />

tests/Avalonia.IntegrationTests.Appium/Avalonia.IntegrationTests.Appium.csproj

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
+    <OutputType>Exe</OutputType>
     <Nullable>enable</Nullable>
 
     <IsRunningAppium2 Condition="'$(IsRunningAppium2)' == ''">false</IsRunningAppium2>
@@ -29,6 +30,13 @@
     <PackageReference Include="Appium.WebDriver" Version="5.2.0"/>
   </ItemGroup>
 
+  <ItemGroup>
+    <!-- This test project is run in CI via VSTest Azure Task, to have video recorder support -->
+    <!-- Video recorder isn't yet supported by Microsoft.Testing.Platform, we keep this project compatible with both VSTest and Microsoft.Testing.Platform. -->
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
+  </ItemGroup>
+
   <Import Project="..\..\build\XUnit.props" />
   <Import Project="..\..\build\Rx.props" />
   <Import Project="..\..\build\ImageSharp.props" />

tests/Avalonia.IntegrationTests.Appium/PlatformFactAttribute.cs

@@ -1,5 +1,6 @@
 #nullable enable
 using System;
+using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using Xunit;
 
@@ -16,31 +17,22 @@ namespace Avalonia
 
     internal class PlatformFactAttribute : FactAttribute
     {
-        private readonly string? _reason;
+        public PlatformFactAttribute(
-        private string? _skip;
+            TestPlatforms platforms,
-
+            string? reason = null,
-        public PlatformFactAttribute(TestPlatforms platforms, string? reason = null)
+            [CallerFilePath] string? sourceFilePath = null,
+            [CallerLineNumber] int sourceLineNumber = -1)
+            : base(sourceFilePath, sourceLineNumber)
         {
-            _reason = reason;
             Platforms = platforms;
+            if (!IsSupported())
+                Skip = $"Ignored on {RuntimeInformation.OSDescription}" +
+                        (reason is not null ? $" reason: '{reason}'" : "");
+
         }
 
         public TestPlatforms Platforms { get; }
 
-        public override string? Skip
-        {
-            get
-            {
-                if (_skip is not null)
-                    return _skip;
-                if (!IsSupported())
-                    return $"Ignored on {RuntimeInformation.OSDescription}" +
-                           (_reason is not null ? $" reason: '{_reason}'" : "");
-                return null;
-            }
-            set => _skip = value;
-        }
-
         private bool IsSupported()
         {
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))

tests/Avalonia.IntegrationTests.Appium/PlatformTheoryAttribute.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using Xunit;
 
@@ -7,23 +8,20 @@ namespace Avalonia.IntegrationTests.Appium
 {
     internal class PlatformTheoryAttribute : TheoryAttribute
     {
-        private string? _skip;
+        public PlatformTheoryAttribute(
-
+            TestPlatforms platforms = TestPlatforms.All,
-        public PlatformTheoryAttribute(TestPlatforms platforms = TestPlatforms.All) => Platforms = platforms;
+            [CallerFilePath] string? sourceFilePath = null,
+            [CallerLineNumber] int sourceLineNumber = -1) : base(sourceFilePath, sourceLineNumber)
+        {
+            Platforms = platforms;
+            if (!IsSupported())
+            {
+                Skip = $"Ignored on {RuntimeInformation.OSDescription}";
+            }
+        }
 
         public TestPlatforms Platforms { get; }
 
-        public override string? Skip
-        {
-            get
-            {
-                if (_skip is not null)
-                    return _skip;
-                return !IsSupported() ? $"Ignored on {RuntimeInformation.OSDescription}" : null;
-            }
-            set => _skip = value;
-        }
-
         private bool IsSupported()
         {
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))

tests/Avalonia.IntegrationTests.Win32/Avalonia.IntegrationTests.Win32.csproj

@@ -14,8 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit.v3" Version="3.2.1" />
+    <PackageReference Include="xunit.v3.mtp-v2" Version="3.2.1" />
-    <PackageReference Include="xunit.v3.extensibility.core" Version="3.2.1" />
   </ItemGroup>
   
   <Import Project="../../build/SharedVersion.props" />

tests/Avalonia.LeakTests/Avalonia.LeakTests.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
+    <OutputType>Exe</OutputType>
   </PropertyGroup>
   <Import Project="..\..\build\Moq.props" />
   <Import Project="..\..\build\XUnit.props" />

tests/Avalonia.LeakTests/ReleaseFact.cs

@@ -1,4 +1,5 @@
-using Xunit;
+using System.Runtime.CompilerServices;
+using Xunit;
 
 namespace Avalonia.LeakTests;
 
@@ -7,7 +8,10 @@ namespace Avalonia.LeakTests;
 /// </summary>
 internal sealed class ReleaseFactAttribute : FactAttribute
 {
-    public ReleaseFactAttribute()
+    public ReleaseFactAttribute(
+        [CallerFilePath] string? sourceFilePath = null,
+        [CallerLineNumber] int sourceLineNumber = -1
+    ) : base(sourceFilePath, sourceLineNumber)
     {
 #if DEBUG
         Skip = "Only runs in Release mode";

tests/Avalonia.Markup.UnitTests/Avalonia.Markup.UnitTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
   <Import Project="..\..\build\UnitTests.NetCore.targets" />

tests/Avalonia.Markup.UnitTests/Data/BindingTests.cs

@@ -551,7 +551,7 @@ namespace Avalonia.Markup.UnitTests.Data
             }
 
             // Forces WeakEvent compact
-            Dispatcher.UIThread.RunJobs();
+            Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
             Assert.Equal(0, source.SubscriberCount);
         }

tests/Avalonia.Markup.UnitTests/Parsers/ExpressionObserverBuilderTests_Indexer.cs

@@ -167,7 +167,7 @@ namespace Avalonia.Markup.UnitTests.Parsers
             }
 
             // Forces WeakEvent compact
-            Dispatcher.UIThread.RunJobs();
+            Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
             Assert.Equal(new[] { AvaloniaProperty.UnsetValue, "baz" }, result);
             Assert.Null(((INotifyCollectionChangedDebug)data.Foo).GetCollectionChangedSubscribers());
@@ -188,7 +188,7 @@ namespace Avalonia.Markup.UnitTests.Parsers
             }
 
             // Forces WeakEvent compact
-            Dispatcher.UIThread.RunJobs();
+            Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
             Assert.Equal(new[] { "foo", "bar" }, result);
             Assert.Null(((INotifyCollectionChangedDebug)data.Foo).GetCollectionChangedSubscribers());
@@ -209,7 +209,7 @@ namespace Avalonia.Markup.UnitTests.Parsers
             }
 
             // Forces WeakEvent compact
-            Dispatcher.UIThread.RunJobs();
+            Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
             Assert.Equal(new[] { "bar", "baz" }, result);
             Assert.Null(((INotifyCollectionChangedDebug)data.Foo).GetCollectionChangedSubscribers());
@@ -268,7 +268,7 @@ namespace Avalonia.Markup.UnitTests.Parsers
             }
 
             // Forces WeakEvent compact
-            Dispatcher.UIThread.RunJobs();
+            Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
             var expected = new[] { "bar", "bar2" };
             Assert.Equal(expected, result);

tests/Avalonia.Markup.Xaml.UnitTests/Avalonia.Markup.Xaml.UnitTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
   <PropertyGroup>
     <TargetFrameworks>$(AvsCurrentTargetFramework)</TargetFrameworks>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
   <Import Project="..\..\build\UnitTests.NetCore.targets" />
@@ -38,15 +38,5 @@
     </Compile>
     <Compile Include="../Shared/ScopedSanityCheck.cs"/>
   </ItemGroup>
-  <ItemGroup>
-    <PackageReference Update="xunit.runner.console" Version="2.9.3">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Update="xunit.runner.visualstudio" Version="3.1.5">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
   <Import Project="..\..\build\BuildTargets.targets" />
 </Project>

tests/Avalonia.Markup.Xaml.UnitTests/Data/BindingTests_Method.cs

@@ -135,7 +135,7 @@ namespace Avalonia.Markup.Xaml.UnitTests.Data
                 Assert.Equal(button.IsEffectivelyEnabled, false);
 
                 vm.Parameter = true;
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 Assert.Equal(button.IsEffectivelyEnabled, true);
             }

tests/Avalonia.Markup.Xaml.UnitTests/MarkupExtensions/CompiledBindingExtensionTests.cs

@@ -2012,7 +2012,7 @@ namespace Avalonia.Markup.Xaml.UnitTests.MarkupExtensions
                 Assert.Equal(button.IsEffectivelyEnabled, false);
 
                 vm.Parameter = true;
-                Threading.Dispatcher.UIThread.RunJobs();
+                Threading.Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 Assert.Equal(button.IsEffectivelyEnabled, true);
             }

tests/Avalonia.Markup.Xaml.UnitTests/Xaml/XamlIlTests.cs

@@ -121,7 +121,7 @@ namespace Avalonia.Markup.Xaml.UnitTests
                 w.ApplyTemplate();
                 w.Show();
 
-                Dispatcher.UIThread.RunJobs();
+                Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
 
                 var itemsPresenter = ((ItemsControl)w.Content!).GetVisualChildren().FirstOrDefault();
                 Assert.NotNull(itemsPresenter);

tests/Avalonia.RenderTests.WpfCompare/Avalonia.RenderTests.WpfCompare.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentWindowsTargetFramework)</TargetFramework>
+    <OutputType>Exe</OutputType>
     <EnableWindowsTargeting>true</EnableWindowsTargeting>
     <Nullable>enable</Nullable>
     <UseWpf>true</UseWpf>
@@ -15,7 +16,7 @@
     <Content Include="../Avalonia.RenderTests/**/*.png" CopyToOutputDirectory="Always" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xunit.StaFact" Version="1.2.69" />
+    <PackageReference Include="Xunit.StaFact" Version="3.0.13" />
   </ItemGroup>
   <Import Project="..\..\build\Moq.props" />
   <Import Project="..\..\build\Rx.props" />

tests/Avalonia.RenderTests.WpfCompare/CrossFact.cs

@@ -1,13 +1,20 @@
-using Xunit;
+using System.Runtime.CompilerServices;
+using Xunit;
 
 namespace Avalonia.RenderTests.WpfCompare;
 
 public class CrossFactAttribute : StaFactAttribute
 {
-    
+    public CrossFactAttribute([CallerFilePath] string? sourceFilePath = null, [CallerLineNumber] int sourceLineNumber = -1)
+        : base(sourceFilePath, sourceLineNumber)
+    {
+    }
 }
 
 public class CrossTheoryAttribute : StaTheoryAttribute
 {
-    
+    public CrossTheoryAttribute([CallerFilePath] string? sourceFilePath = null, [CallerLineNumber] int sourceLineNumber = -1)
+        : base(sourceFilePath, sourceLineNumber)
+    {
+    }
 }

tests/Avalonia.RenderTests/Composition/DirectFbCompositionTests.cs

@@ -100,7 +100,7 @@ public class DirectFbCompositionTests : TestBase
         control.Measure(new Size(control.Width, control.Height));
         control.Arrange(new Rect(control.DesiredSize));
         renderer.Start();
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
         timer.TriggerTick();
         var image1 =
             $"{nameof(Should_Only_Update_Clipped_Rects_When_Retained_Fb_Is_Advertised)}_advertized-{advertised}_initial";
@@ -112,7 +112,7 @@ public class DirectFbCompositionTests : TestBase
         
         r1.Fill = Brushes.Red;
         r2.Fill = Brushes.Green;
-        Dispatcher.UIThread.RunJobs();
+        Dispatcher.UIThread.RunJobs(null, TestContext.Current.CancellationToken);
         timer.TriggerTick();
         var image2 =
             $"{nameof(Should_Only_Update_Clipped_Rects_When_Retained_Fb_Is_Advertised)}_advertized-{advertised}_updated";

tests/Avalonia.RenderTests/TestSkip.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using Xunit;
 
@@ -7,7 +8,11 @@ namespace Avalonia.Skia.RenderTests
 {   
     public class Win32Fact : FactAttribute
     {
-        public Win32Fact(string message)
+        public Win32Fact(
+            string message,
+            [CallerFilePath] string? sourceFilePath = null,
+            [CallerLineNumber] int sourceLineNumber = -1)
+            : base(sourceFilePath, sourceLineNumber)
         {
             if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                 Skip = message;
@@ -16,7 +21,11 @@ namespace Avalonia.Skia.RenderTests
 
     public class Win32Theory : TheoryAttribute
     {
-        public Win32Theory(string message)
+        public Win32Theory(
+            string message,
+            [CallerFilePath] string? sourceFilePath = null,
+            [CallerLineNumber] int sourceLineNumber = -1)
+            : base(sourceFilePath, sourceLineNumber)
         {
             if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                 Skip = message;

tests/Avalonia.Skia.RenderTests/Avalonia.Skia.RenderTests.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
+    <OutputType>Exe</OutputType>
     <DefineConstants>$(DefineConstants);AVALONIA_SKIA</DefineConstants>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IncludeLinuxSkia>true</IncludeLinuxSkia>

tests/Avalonia.Skia.RenderTests/CrossTestBase.cs

@@ -14,12 +14,22 @@ namespace Avalonia.Skia.RenderTests;
 
 class CrossFactAttribute : FactAttribute
 {
-    
+    public CrossFactAttribute(
+        [CallerFilePath] string? sourceFilePath = null,
+        [CallerLineNumber] int sourceLineNumber = -1
+    ) : base(sourceFilePath, sourceLineNumber)
+    {
+    }
 }
 
 class CrossTheoryAttribute : TheoryAttribute
 {
-    
+    public CrossTheoryAttribute(
+        [CallerFilePath] string? sourceFilePath = null,
+        [CallerLineNumber] int sourceLineNumber = -1
+    ) : base(sourceFilePath, sourceLineNumber)
+    {
+    }
 }
 
 public class CrossTestBase : IDisposable

tests/Avalonia.Skia.UnitTests/Avalonia.Skia.UnitTests.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
+    <OutputType>Exe</OutputType>
   </PropertyGroup>
   <Import Project="..\..\build\UnitTests.NetCore.targets" />
   <Import Project="..\..\build\Moq.props" />

tests/Avalonia.Skia.UnitTests/Win32Fact.cs

@@ -1,11 +1,16 @@
-using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using Xunit;
 
 namespace Avalonia.Skia.UnitTests
 {
     internal class Win32Fact : FactAttribute
     {
-        public Win32Fact(string message)
+        public Win32Fact(
+            string message,
+            [CallerFilePath] string? sourceFilePath = null,
+            [CallerLineNumber] int sourceLineNumber = -1)
+            : base(sourceFilePath, sourceLineNumber)
         {
             if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                 Skip = message;

tests/Avalonia.Skia.UnitTests/Win32Theory.cs

@@ -1,11 +1,15 @@
-using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 using Xunit;
 
 namespace Avalonia.Skia.UnitTests
 {
     internal class Win32Theory: TheoryAttribute
     {
-        public Win32Theory(string message)
+        public Win32Theory(
+            string message,
+            [CallerFilePath] string? sourceFilePath = null,
+            [CallerLineNumber] int sourceLineNumber = -1) : base(sourceFilePath, sourceLineNumber)
         {
             if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                 Skip = message;

tests/Avalonia.UnitTests/Avalonia.UnitTests.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFramework>$(AvsCurrentTargetFramework)</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
-    <OutputType>Library</OutputType>
+    <OutputType>Exe</OutputType>
     <IsPackable>false</IsPackable>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>

tests/Avalonia.UnitTests/InvariantCultureAttribute.cs

@@ -3,7 +3,7 @@
 using System;
 using System.Globalization;
 using System.Reflection;
-using Xunit.Sdk;
+using Xunit.v3;
 
 namespace Avalonia.UnitTests;
 
@@ -21,9 +21,9 @@ public sealed class InvariantCultureAttribute : BeforeAfterTestAttribute
     private CultureInfo? _previousCulture;
     private CultureInfo? _previousUICulture;
 
-    public override void Before(MethodInfo methodUnderTest)
+    public override void Before(MethodInfo methodUnderTest, IXunitTest test)
     {
-        base.Before(methodUnderTest);
+        base.Before(methodUnderTest, test);
 
         _previousCulture = CultureInfo.CurrentCulture;
         _previousUICulture = CultureInfo.CurrentUICulture;
@@ -32,11 +32,11 @@ public sealed class InvariantCultureAttribute : BeforeAfterTestAttribute
         CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture;
     }
 
-    public override void After(MethodInfo methodUnderTest)
+    public override void After(MethodInfo methodUnderTest, IXunitTest test)
     {
         CultureInfo.CurrentCulture = _previousCulture!;
         CultureInfo.CurrentUICulture = _previousUICulture!;
 
-        base.After(methodUnderTest);
+        base.After(methodUnderTest, test);
     }
 }

tests/Avalonia.UnitTests/UnitTestApplication.cs

@@ -62,6 +62,15 @@ namespace Avalonia.UnitTests
 
         public override void RegisterServices()
         {
+            // Arrange (as part of layouting) calls TaskScheduler.FromCurrentSynchronizationContext, which needs a non-null context.
+            // If it's null, it will fail. So we need to ensure it's not null.
+            // Historically, this line wasn't needed because xunit itself used to always install its own SynchronizationContext.
+            // This was changed in xunit.v3.
+            if (SynchronizationContext.Current is null)
+            {
+                SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
+            }
+
             AvaloniaLocator.CurrentMutable
                 .Bind<IAssetLoader?>().ToConstant(Services.AssetLoader)
                 .Bind<IGlobalClock?>().ToConstant(Services.GlobalClock)

tests/Avalonia.UnitTests/UseEmptyDesignatorCultureAttribute.cs

@@ -3,7 +3,7 @@
 using System;
 using System.Globalization;
 using System.Reflection;
-using Xunit.Sdk;
+using Xunit.v3;
 
 namespace Avalonia.UnitTests;
 
@@ -16,9 +16,9 @@ public sealed class UseEmptyDesignatorCultureAttribute : BeforeAfterTestAttribut
     private CultureInfo CultureInfo { get; } =
         new(string.Empty, false) { DateTimeFormat = { AMDesignator = string.Empty, PMDesignator = string.Empty } };
 
-    public override void Before(MethodInfo methodUnderTest)
+    public override void Before(MethodInfo methodUnderTest, IXunitTest test)
     {
-        base.Before(methodUnderTest);
+        base.Before(methodUnderTest, test);
 
         _previousCulture = CultureInfo.CurrentCulture;
         _previousUICulture = CultureInfo.CurrentUICulture;
@@ -27,11 +27,11 @@ public sealed class UseEmptyDesignatorCultureAttribute : BeforeAfterTestAttribut
         CultureInfo.CurrentUICulture = CultureInfo;
     }
 
-    public override void After(MethodInfo methodUnderTest)
+    public override void After(MethodInfo methodUnderTest, IXunitTest test)
     {
         CultureInfo.CurrentCulture = _previousCulture!;
         CultureInfo.CurrentUICulture = _previousUICulture!;
 
-        base.After(methodUnderTest);
+        base.After(methodUnderTest, test);
     }
 }

tests/Avalonia.UnitTests/VerifyEmptyDispatcherAfterTestAttribute.cs

@@ -4,13 +4,13 @@ using System.Reflection;
 using Avalonia.Controls;
 using Avalonia.Threading;
 using Xunit;
-using Xunit.Sdk;
+using Xunit.v3;
 
 namespace Avalonia.UnitTests;
 
 public sealed class VerifyEmptyDispatcherAfterTestAttribute : BeforeAfterTestAttribute
 {
-    public override void After(MethodInfo methodUnderTest)
+    public override void After(MethodInfo methodUnderTest, IXunitTest test)
     {
         if (typeof(ScopedTestBase).IsAssignableFrom(methodUnderTest.DeclaringType))
             return;

tests/Directory.Build.props

@@ -3,5 +3,10 @@
   <PropertyGroup>
     <EnableNETAnalyzers>false</EnableNETAnalyzers>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
+    <UseMicrosoftTestingPlatformRunner>true</UseMicrosoftTestingPlatformRunner>
   </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Testing.Extensions.TrxReport" Version="2.0.2" />
+  </ItemGroup>
 </Project>