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perf: reduce source-gen JIT overhead via metadata factory helpers #5056

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Merged
thomhurst merged 7 commits into from
Mar 2, 2026
Merged

perf: reduce source-gen JIT overhead via metadata factory helpers #5056

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029781b
perf: reduce source-gen JIT overhead via metadata factory helpers
thomhurst Mar 2, 2026
7a18dfc
refactor: eliminate string-parsing hack and double traversals in sour…
thomhurst Mar 2, 2026
ca4f28e
refactor: make testSessionId required in TestMetadataFactory.Create
thomhurst Mar 2, 2026
be5e633
fix: correct materializer indentation and hide factory types from Int…
thomhurst Mar 2, 2026
16d3ade
fix: correct ClassMetadata property indentation in generated code
thomhurst Mar 2, 2026
33edc6d
fix: update public API snapshots for required testSessionId parameter
thomhurst Mar 2, 2026
260f6a1
refactor: inline redundant PreGeneratePropertyInjectionsExpression wr…
thomhurst Mar 2, 2026
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6 changes: 6 additions & 0 deletions 6 Library.props
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,12 @@

<TrimmerSingleWarn>false</TrimmerSingleWarn>

<!-- Suppress AD0001 analyzer crash in .NET 9 ILLink DynamicallyAccessedMembersAnalyzer.
This is a known .NET 9 SDK analyzer bug, not a code issue.
See: https://github.com/dotnet/runtime/issues/109352
https://github.com/dotnet/runtime/issues/120728 -->
<NoWarn Condition="'$(TargetFramework)' == 'net9.0'">$(NoWarn);AD0001</NoWarn>

<IsAotCompatible
Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">true</IsAotCompatible>

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112 changes: 35 additions & 77 deletions 112 TUnit.Core.SourceGenerator.Tests/AbstractTests.Concrete2.verified.txt
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// <auto-generated/>
// <auto-generated/>
#pragma warning disable

#nullable enable
Expand All @@ -9,45 +9,24 @@ internal static class TUnit_TestProject_AbstractTests_ConcreteClass2__TestSource
{
public static global::System.Collections.Generic.IReadOnlyList<global::TUnit.Core.TestMetadata> GetTests(string testSessionId)
{
var metadata_SecondTest = new global::TUnit.Core.TestMetadata<global::TUnit.TestProject.AbstractTests.ConcreteClass2>
var __classMetadata = global::TUnit.Core.ClassMetadata.GetOrAdd("TestsBase`1:global::TUnit.TestProject.AbstractTests.ConcreteClass2", new global::TUnit.Core.ClassMetadata
{
TestName = "SecondTest",
TestClassType = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TestMethodName = "SecondTest",
Dependencies = global::System.Array.Empty<global::TUnit.Core.TestDependency>(),
AttributeFactory = __CreateAttributes_0,
DataSources = global::System.Array.Empty<global::TUnit.Core.IDataSourceAttribute>(),
ClassDataSources = global::System.Array.Empty<global::TUnit.Core.IDataSourceAttribute>(),
PropertyDataSources = global::System.Array.Empty<global::TUnit.Core.PropertyDataSource>(),
PropertyInjections = global::System.Array.Empty<global::TUnit.Core.PropertyInjectionData>(),
InheritanceDepth = 0,
FilePath = @"",
LineNumber = 11,
MethodMetadata = new global::TUnit.Core.MethodMetadata
{
Type = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TypeInfo = new global::TUnit.Core.ConcreteType(typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2)),
Name = "SecondTest",
GenericTypeCount = 0,
ReturnType = typeof(void),
ReturnTypeInfo = new global::TUnit.Core.ConcreteType(typeof(void)),
Parameters = global::System.Array.Empty<global::TUnit.Core.ParameterMetadata>(),
Class = global::TUnit.Core.ClassMetadata.GetOrAdd("TestsBase`1:global::TUnit.TestProject.AbstractTests.ConcreteClass2", new global::TUnit.Core.ClassMetadata
{
Type = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TypeInfo = new global::TUnit.Core.ConcreteType(typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2)),
Name = "ConcreteClass2",
Namespace = "TUnit.TestProject.AbstractTests",
Assembly = global::TUnit.Core.AssemblyMetadata.GetOrAdd("TestsBase`1", "TestsBase`1"),
Parameters = global::System.Array.Empty<global::TUnit.Core.ParameterMetadata>(),
Properties = global::System.Array.Empty<global::TUnit.Core.PropertyMetadata>(),
Parent = null
})
},
InstanceFactory = CreateInstance,
InvokeTypedTest = __InvokeTest_SecondTest,
};
metadata_SecondTest.UseRuntimeDataGeneration(testSessionId);
Type = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TypeInfo = new global::TUnit.Core.ConcreteType(typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2)),
Name = "ConcreteClass2",
Namespace = "TUnit.TestProject.AbstractTests",
Assembly = global::TUnit.Core.AssemblyMetadata.GetOrAdd("TestsBase`1", "TestsBase`1"),
Parameters = global::System.Array.Empty<global::TUnit.Core.ParameterMetadata>(),
Properties = global::System.Array.Empty<global::TUnit.Core.PropertyMetadata>(),
Parent = null
});
var __classType = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2);
var metadata_SecondTest = global::TUnit.Core.TestMetadataFactory.Create<global::TUnit.TestProject.AbstractTests.ConcreteClass2>(
"SecondTest", "SecondTest", 11,
__InvokeTest_SecondTest, __CreateAttributes_0, CreateInstance,
global::TUnit.Core.MethodMetadataFactory.Create("SecondTest", __classType, typeof(void), __classMetadata),
testSessionId: testSessionId
);
return new global::TUnit.Core.TestMetadata[] { metadata_SecondTest };
}
public static global::System.Collections.Generic.IEnumerable<global::TUnit.Core.TestDescriptor> EnumerateTestDescriptors()
Expand Down Expand Up @@ -91,45 +70,24 @@ internal static class TUnit_TestProject_AbstractTests_ConcreteClass2__TestSource
}
private static global::System.Collections.Generic.IReadOnlyList<global::TUnit.Core.TestMetadata> __Materialize_SecondTest(string testSessionId)
{
var metadata = new global::TUnit.Core.TestMetadata<global::TUnit.TestProject.AbstractTests.ConcreteClass2>
var __classMetadata = global::TUnit.Core.ClassMetadata.GetOrAdd("TestsBase`1:global::TUnit.TestProject.AbstractTests.ConcreteClass2", new global::TUnit.Core.ClassMetadata
{
TestName = "SecondTest",
TestClassType = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TestMethodName = "SecondTest",
Dependencies = global::System.Array.Empty<global::TUnit.Core.TestDependency>(),
AttributeFactory = __CreateAttributes_0,
DataSources = global::System.Array.Empty<global::TUnit.Core.IDataSourceAttribute>(),
ClassDataSources = global::System.Array.Empty<global::TUnit.Core.IDataSourceAttribute>(),
PropertyDataSources = global::System.Array.Empty<global::TUnit.Core.PropertyDataSource>(),
PropertyInjections = global::System.Array.Empty<global::TUnit.Core.PropertyInjectionData>(),
InheritanceDepth = 0,
FilePath = @"",
LineNumber = 11,
MethodMetadata = new global::TUnit.Core.MethodMetadata
{
Type = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TypeInfo = new global::TUnit.Core.ConcreteType(typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2)),
Name = "SecondTest",
GenericTypeCount = 0,
ReturnType = typeof(void),
ReturnTypeInfo = new global::TUnit.Core.ConcreteType(typeof(void)),
Parameters = global::System.Array.Empty<global::TUnit.Core.ParameterMetadata>(),
Class = global::TUnit.Core.ClassMetadata.GetOrAdd("TestsBase`1:global::TUnit.TestProject.AbstractTests.ConcreteClass2", new global::TUnit.Core.ClassMetadata
{
Type = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TypeInfo = new global::TUnit.Core.ConcreteType(typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2)),
Name = "ConcreteClass2",
Namespace = "TUnit.TestProject.AbstractTests",
Assembly = global::TUnit.Core.AssemblyMetadata.GetOrAdd("TestsBase`1", "TestsBase`1"),
Parameters = global::System.Array.Empty<global::TUnit.Core.ParameterMetadata>(),
Properties = global::System.Array.Empty<global::TUnit.Core.PropertyMetadata>(),
Parent = null
})
},
InstanceFactory = CreateInstance,
InvokeTypedTest = __InvokeTest_SecondTest,
};
metadata.UseRuntimeDataGeneration(testSessionId);
Type = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2),
TypeInfo = new global::TUnit.Core.ConcreteType(typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2)),
Name = "ConcreteClass2",
Namespace = "TUnit.TestProject.AbstractTests",
Assembly = global::TUnit.Core.AssemblyMetadata.GetOrAdd("TestsBase`1", "TestsBase`1"),
Parameters = global::System.Array.Empty<global::TUnit.Core.ParameterMetadata>(),
Properties = global::System.Array.Empty<global::TUnit.Core.PropertyMetadata>(),
Parent = null
});
var __classType = typeof(global::TUnit.TestProject.AbstractTests.ConcreteClass2);
var metadata = global::TUnit.Core.TestMetadataFactory.Create<global::TUnit.TestProject.AbstractTests.ConcreteClass2>(
"SecondTest", "SecondTest", 11,
__InvokeTest_SecondTest, __CreateAttributes_0, CreateInstance,
global::TUnit.Core.MethodMetadataFactory.Create("SecondTest", __classType, typeof(void), __classMetadata),
testSessionId: testSessionId
);
return new global::TUnit.Core.TestMetadata[] { metadata };
}
internal static global::TUnit.TestProject.AbstractTests.ConcreteClass2 CreateInstance(global::System.Type[] typeArgs, object?[] args)
Expand Down
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