Max Katz
3 years ago
8 changed files with 208 additions and 11 deletions
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<Project Sdk="Microsoft.NET.Sdk"> |
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<PropertyGroup> |
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<TargetFramework>net6.0</TargetFramework> |
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<ImplicitUsings>enable</ImplicitUsings> |
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<Nullable>enable</Nullable> |
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</PropertyGroup> |
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<ItemGroup> |
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<PackageReference Include="xunit.core" Version="2.4.2" /> |
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</ItemGroup> |
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<ItemGroup> |
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<ProjectReference Include="..\Avalonia.Headless\Avalonia.Headless.csproj" /> |
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</ItemGroup> |
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<Import Project="..\..\..\build\ApiDiff.props" /> |
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<Import Project="..\..\..\build\DevAnalyzers.props" /> |
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<Import Project="..\..\..\build\NullableEnable.props" /> |
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</Project> |
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using System.Reflection; |
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using Xunit.Abstractions; |
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using Xunit.Sdk; |
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namespace Avalonia.Headless.XUnit; |
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internal class AvaloniaTestFramework<TAppBuilderEntry> : XunitTestFramework |
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{ |
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public AvaloniaTestFramework(IMessageSink messageSink) : base(messageSink) |
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{ |
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} |
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protected override ITestFrameworkExecutor CreateExecutor(AssemblyName assemblyName) |
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=> new Executor(assemblyName, SourceInformationProvider, DiagnosticMessageSink); |
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private class Executor : XunitTestFrameworkExecutor |
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{ |
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public Executor(AssemblyName assemblyName, ISourceInformationProvider sourceInformationProvider, |
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IMessageSink diagnosticMessageSink) : base(assemblyName, sourceInformationProvider, |
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diagnosticMessageSink) |
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{ |
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} |
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protected override async void RunTestCases(IEnumerable<IXunitTestCase> testCases, |
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IMessageSink executionMessageSink, |
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ITestFrameworkExecutionOptions executionOptions) |
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{ |
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executionOptions.SetValue("xunit.execution.DisableParallelization", false); |
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using (var assemblyRunner = new AvaloniaTestRunner<TAppBuilderEntry>( |
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TestAssembly, testCases, DiagnosticMessageSink, executionMessageSink, |
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executionOptions)) await assemblyRunner.RunAsync(); |
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} |
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} |
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} |
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using System.Diagnostics.CodeAnalysis; |
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using Xunit.Abstractions; |
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using Xunit.Sdk; |
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namespace Avalonia.Headless.XUnit; |
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/// <summary>
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///
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/// </summary>
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[TestFrameworkDiscoverer("Avalonia.Headless.XUnit.AvaloniaTestFrameworkTypeDiscoverer", "Avalonia.Headless.XUnit")] |
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[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = false)] |
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public sealed class AvaloniaTestFrameworkAttribute : Attribute, ITestFrameworkAttribute |
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{ |
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/// <summary>
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/// Creates instance of <see cref="AvaloniaTestFrameworkAttribute"/>.
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/// </summary>
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/// <param name="appBuilderEntryPointType">
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/// Parameter from which <see cref="AppBuilder"/> should be created.
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/// It either needs to have BuildAvaloniaApp -> AppBuilder method or inherit Application.
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/// </param>
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public AvaloniaTestFrameworkAttribute( |
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[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.NonPublicMethods | DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] |
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Type appBuilderEntryPointType) { } |
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} |
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/// <summary>
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/// Discoverer implementation for the Avalonia testing framework.
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/// </summary>
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public class AvaloniaTestFrameworkTypeDiscoverer : ITestFrameworkTypeDiscoverer |
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{ |
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/// <summary>
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/// Creates instance of <see cref="AvaloniaTestFrameworkTypeDiscoverer"/>.
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/// </summary>
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public AvaloniaTestFrameworkTypeDiscoverer(IMessageSink _) |
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{ |
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} |
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/// <inheritdoc/>
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public Type GetTestFrameworkType(IAttributeInfo attribute) |
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{ |
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var builderType = attribute.GetConstructorArguments().First() as Type |
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?? throw new InvalidOperationException("AppBuilderEntryPointType parameter must be defined on the AvaloniaTestFrameworkAttribute attribute."); |
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return typeof(AvaloniaTestFramework<>).MakeGenericType(builderType); |
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} |
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} |
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using Avalonia.Threading; |
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using Xunit.Abstractions; |
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using Xunit.Sdk; |
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namespace Avalonia.Headless.XUnit; |
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internal class AvaloniaTestRunner<TAppBuilderEntry> : XunitTestAssemblyRunner |
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{ |
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private CancellationTokenSource? _cancellationTokenSource; |
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public AvaloniaTestRunner(ITestAssembly testAssembly, IEnumerable<IXunitTestCase> testCases, |
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IMessageSink diagnosticMessageSink, IMessageSink executionMessageSink, |
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ITestFrameworkExecutionOptions executionOptions) : base(testAssembly, testCases, diagnosticMessageSink, |
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executionMessageSink, executionOptions) |
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{ |
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} |
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protected override void SetupSyncContext(int maxParallelThreads) |
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{ |
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_cancellationTokenSource?.Dispose(); |
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_cancellationTokenSource = new CancellationTokenSource(); |
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SynchronizationContext.SetSynchronizationContext(InitNewApplicationContext(_cancellationTokenSource.Token).Result); |
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} |
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public override void Dispose() |
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{ |
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_cancellationTokenSource?.Dispose(); |
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base.Dispose(); |
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} |
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internal static Task<SynchronizationContext> InitNewApplicationContext(CancellationToken cancellationToken) |
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{ |
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var tcs = new TaskCompletionSource<SynchronizationContext>(); |
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new Thread(() => |
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{ |
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try |
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{ |
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var appBuilder = AppBuilder.Configure(typeof(TAppBuilderEntry)); |
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// If windowing subsystem wasn't initialized by user, force headless with default parameters.
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if (appBuilder.WindowingSubsystemName != "Headless") |
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{ |
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appBuilder = appBuilder.UseHeadless(new AvaloniaHeadlessPlatformOptions()); |
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} |
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appBuilder.SetupWithoutStarting(); |
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tcs.SetResult(SynchronizationContext.Current!); |
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} |
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catch (Exception e) |
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{ |
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tcs.SetException(e); |
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} |
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Dispatcher.UIThread.MainLoop(cancellationToken); |
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}) { IsBackground = true }.Start(); |
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return tcs.Task; |
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} |
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} |
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