45f88d2d18
MainWindowViewTests kept failing on CI in Test Case Cleanup ('The calling
thread cannot access this object') while passing 56/56 locally. The cause was
delivery, not the fix: xunit.runner.json only takes effect if it is copied
beside the test DLL, and under CI's 'dotnet build' + 'dotnet test --no-build'
split it did not arrive, so CI ran with parallel collections while local runs
did not.
[assembly: CollectionBehavior(DisableTestParallelization = true)] is compiled
into the DLL and cannot fail to deploy. It lives beside the existing
AvaloniaTestApplication/AvaloniaTestIsolation attributes, which document the
same thread-affinity hazard. The json and its csproj copy rule are removed so
there is one source of truth.
36 lines
1.7 KiB
C#
36 lines
1.7 KiB
C#
using Avalonia;
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using Avalonia.Headless;
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using Xunit;
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[assembly: AvaloniaTestApplication(typeof(AcDream.Launcher.Tests.TestAppBuilder))]
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[assembly: AvaloniaTestIsolation(AvaloniaTestIsolationLevel.PerAssembly)]
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// Compiled INTO the assembly on purpose. A xunit.runner.json expresses the same
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// intent but only works if the file is copied beside the test DLL; under CI's
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// `dotnet build` + `dotnet test --no-build` split it did not arrive, so the
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// suite ran with parallel collections and MainWindowViewTests failed in Test
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// Case Cleanup ("The calling thread cannot access this object") while passing
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// locally. An assembly attribute cannot fail to deploy.
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[assembly: CollectionBehavior(DisableTestParallelization = true)]
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namespace AcDream.Launcher.Tests;
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/// <summary>
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/// Headless Avalonia application entry point for <c>[AvaloniaFact]</c>/
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/// <c>[AvaloniaTheory]</c> tests (see #399). Reuses the launcher's real
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/// <see cref="App"/> so the FluentTheme styles declared in App.axaml are
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/// live for every test — <see cref="MainWindow"/>'s controls (TreeView,
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/// Button, TextBox, ...) need a real control theme to template and focus
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/// correctly, not just an unstyled visual tree.
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/// The assembly contains one Avalonia test that owns the complete window
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/// matrix. Keep one application/dispatcher for that process: Avalonia 12's
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/// per-test teardown can recreate the compositor after its render loop has
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/// become owned by a different worker, producing a thread-affinity cleanup
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/// failure after an otherwise passing test.
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/// </summary>
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public static class TestAppBuilder
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{
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public static AppBuilder BuildAvaloniaApp() =>
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AppBuilder.Configure<App>()
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.UseHeadless(new AvaloniaHeadlessPlatformOptions());
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}
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