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Merged
merged 1 commit into from
Nov 4, 2025
Merged

feat: enable conditional source generation based on configuration property #3699

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17 changes: 15 additions & 2 deletions TUnit.Core.SourceGenerator/Generators/AotConverterGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,13 @@ public class AotConverterGenerator : IIncrementalGenerator
{
public void Initialize(IncrementalGeneratorInitializationContext context)
{
var enabledProvider = context.AnalyzerConfigOptionsProvider
.Select((options, _) =>
{
options.GlobalOptions.TryGetValue("build_property.EnableTUnitSourceGeneration", out var value);
return !string.Equals(value, "false", StringComparison.OrdinalIgnoreCase);
});

var allTypes = context.CompilationProvider
.Select((compilation, ct) =>
{
Expand All @@ -26,10 +33,16 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
var stackTrace = ex.StackTrace ?? "No stack trace";
throw new InvalidOperationException($"NullReferenceException in ScanTestParameters: {ex.Message}\nStack: {stackTrace}", ex);
}
});
})
.Combine(enabledProvider);

context.RegisterSourceOutput(allTypes, (spc, source) =>
context.RegisterSourceOutput(allTypes, (spc, data) =>
{
var (source, isEnabled) = data;
if (!isEnabled)
{
return;
}
try
{
GenerateConverters(spc, source);
Expand Down
47 changes: 39 additions & 8 deletions TUnit.Core.SourceGenerator/Generators/HookMetadataGenerator.cs
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Expand Up @@ -13,61 +13,92 @@ public class HookMetadataGenerator : IIncrementalGenerator
{
public void Initialize(IncrementalGeneratorInitializationContext context)
{
var enabledProvider = context.AnalyzerConfigOptionsProvider
.Select((options, _) =>
{
options.GlobalOptions.TryGetValue("build_property.EnableTUnitSourceGeneration", out var value);
return !string.Equals(value, "false", StringComparison.OrdinalIgnoreCase);
});

var beforeHooks = context.SyntaxProvider
.ForAttributeWithMetadataName(
"TUnit.Core.BeforeAttribute",
predicate: static (node, _) => node is MethodDeclarationSyntax,
transform: static (ctx, _) => GetHookMethodMetadata(ctx, "Before"))
.Where(static m => m is not null);
.Where(static m => m is not null)
.Combine(enabledProvider);

var afterHooks = context.SyntaxProvider
.ForAttributeWithMetadataName(
"TUnit.Core.AfterAttribute",
predicate: static (node, _) => node is MethodDeclarationSyntax,
transform: static (ctx, _) => GetHookMethodMetadata(ctx, "After"))
.Where(static m => m is not null);
.Where(static m => m is not null)
.Combine(enabledProvider);

var beforeEveryHooks = context.SyntaxProvider
.ForAttributeWithMetadataName(
"TUnit.Core.BeforeEveryAttribute",
predicate: static (node, _) => node is MethodDeclarationSyntax,
transform: static (ctx, _) => GetHookMethodMetadata(ctx, "BeforeEvery"))
.Where(static m => m is not null);
.Where(static m => m is not null)
.Combine(enabledProvider);

var afterEveryHooks = context.SyntaxProvider
.ForAttributeWithMetadataName(
"TUnit.Core.AfterEveryAttribute",
predicate: static (node, _) => node is MethodDeclarationSyntax,
transform: static (ctx, _) => GetHookMethodMetadata(ctx, "AfterEvery"))
.Where(static m => m is not null);
.Where(static m => m is not null)
.Combine(enabledProvider);

// Generate individual files for each hook instead of collecting them
context.RegisterSourceOutput(beforeHooks, (sourceProductionContext, hook) =>
context.RegisterSourceOutput(beforeHooks, (sourceProductionContext, data) =>
{
var (hook, isEnabled) = data;
if (!isEnabled)
{
return;
}
if (hook != null)
{
GenerateIndividualHookFile(sourceProductionContext, hook);
}
});

context.RegisterSourceOutput(afterHooks, (sourceProductionContext, hook) =>
context.RegisterSourceOutput(afterHooks, (sourceProductionContext, data) =>
{
var (hook, isEnabled) = data;
if (!isEnabled)
{
return;
}
if (hook != null)
{
GenerateIndividualHookFile(sourceProductionContext, hook);
}
});

context.RegisterSourceOutput(beforeEveryHooks, (sourceProductionContext, hook) =>
context.RegisterSourceOutput(beforeEveryHooks, (sourceProductionContext, data) =>
{
var (hook, isEnabled) = data;
if (!isEnabled)
{
return;
}
if (hook != null)
{
GenerateIndividualHookFile(sourceProductionContext, hook);
}
});

context.RegisterSourceOutput(afterEveryHooks, (sourceProductionContext, hook) =>
context.RegisterSourceOutput(afterEveryHooks, (sourceProductionContext, data) =>
{
var (hook, isEnabled) = data;
if (!isEnabled)
{
return;
}
if (hook != null)
{
GenerateIndividualHookFile(sourceProductionContext, hook);
Expand Down
20 changes: 18 additions & 2 deletions TUnit.Core.SourceGenerator/Generators/PropertyInjectionSourceGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,17 +11,33 @@ public sealed class PropertyInjectionSourceGenerator : IIncrementalGenerator
{
public void Initialize(IncrementalGeneratorInitializationContext context)
{
var enabledProvider = context.AnalyzerConfigOptionsProvider
.Select((options, _) =>
{
options.GlobalOptions.TryGetValue("build_property.EnableTUnitSourceGeneration", out var value);
return !string.Equals(value, "false", StringComparison.OrdinalIgnoreCase);
});

var classesWithPropertyInjection = context.SyntaxProvider
.CreateSyntaxProvider(
predicate: (node, _) => IsClassWithDataSourceProperties(node),
transform: (ctx, _) => GetClassWithDataSourceProperties(ctx))
.Where(x => x != null)
.Select((x, _) => x!)
.Collect()
.SelectMany((classes, _) => classes.DistinctBy(c => c.ClassSymbol, SymbolEqualityComparer.Default));
.SelectMany((classes, _) => classes.DistinctBy(c => c.ClassSymbol, SymbolEqualityComparer.Default))
.Combine(enabledProvider);

// Generate individual files for each unique class
context.RegisterSourceOutput(classesWithPropertyInjection, GenerateIndividualPropertyInjectionSource);
context.RegisterSourceOutput(classesWithPropertyInjection, (context, data) =>
{
var (classData, isEnabled) = data;
if (!isEnabled)
{
return;
}
GenerateIndividualPropertyInjectionSource(context, classData);
});
}

private static bool IsClassWithDataSourceProperties(SyntaxNode node)
Expand Down
33 changes: 29 additions & 4 deletions TUnit.Core.SourceGenerator/Generators/TestMetadataGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,25 +21,50 @@ public sealed class TestMetadataGenerator : IIncrementalGenerator

public void Initialize(IncrementalGeneratorInitializationContext context)
{
var enabledProvider = context.AnalyzerConfigOptionsProvider
.Select((options, _) =>
{
options.GlobalOptions.TryGetValue("build_property.EnableTUnitSourceGeneration", out var value);
return !string.Equals(value, "false", StringComparison.OrdinalIgnoreCase);
});

var testMethodsProvider = context.SyntaxProvider
.ForAttributeWithMetadataName(
"TUnit.Core.TestAttribute",
predicate: static (node, _) => node is MethodDeclarationSyntax,
transform: static (ctx, _) => GetTestMethodMetadata(ctx))
.Where(static m => m is not null);
.Where(static m => m is not null)
.Combine(enabledProvider);

var inheritsTestsClassesProvider = context.SyntaxProvider
.ForAttributeWithMetadataName(
"TUnit.Core.InheritsTestsAttribute",
predicate: static (node, _) => node is ClassDeclarationSyntax,
transform: static (ctx, _) => GetInheritsTestsClassMetadata(ctx))
.Where(static m => m is not null);
.Where(static m => m is not null)
.Combine(enabledProvider);

context.RegisterSourceOutput(testMethodsProvider,
static (context, testMethod) => GenerateTestMethodSource(context, testMethod));
static (context, data) =>
{
var (testMethod, isEnabled) = data;
if (!isEnabled)
{
return;
}
GenerateTestMethodSource(context, testMethod);
});

context.RegisterSourceOutput(inheritsTestsClassesProvider,
static (context, classInfo) => GenerateInheritedTestSources(context, classInfo));
static (context, data) =>
{
var (classInfo, isEnabled) = data;
if (!isEnabled)
{
return;
}
GenerateInheritedTestSources(context, classInfo);
});
}

private static InheritsTestsClassMetadata? GetInheritsTestsClassMetadata(GeneratorAttributeSyntaxContext context)
Expand Down
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