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Switch generators to use data abstraction layer (#88)
* Initial plan * Switch generators to use data abstraction layer (DataGeneratorsFactory/DataMethodBodyBuilders) - Replace RecordingGeneratorsFactory with DataGeneratorsFactory for fluent pattern execution - Update embedded resources in csproj to use DataBuilding files - Add FluentBodyResult and ExecuteFluentBodyGeneratorMethod to execution runtime - Add using System to embedded resource files for compilation compatibility - Update GeneratesMethodGenerationPipeline to route fluent pattern through data layer - Comment out SwitchCase/SwitchDefault attribute-based generation (pending replacement) - Comment out fluent switch tests and examples - Replace MethodBodyBuilderTests with DataMethodBodyBuilder tests - Replace RecordingGeneratorsFactoryTests with DataGeneratorsFactory tests - Comment out MocksTests (reference non-existent old types) - Comment out SwitchCase-related diagnostic tests Co-authored-by: dex3r <3155725+dex3r@users.noreply.github.com> Agent-Logs-Url: https://github.com/dex3r/EasySourceGenerators/sessions/8070e196-96aa-4613-adf2-2df1ce631bfe * Add integration tests for fluent BodyReturningConstant pattern via data abstraction layer Co-authored-by: dex3r <3155725+dex3r@users.noreply.github.com> Agent-Logs-Url: https://github.com/dex3r/EasySourceGenerators/sessions/8070e196-96aa-4613-adf2-2df1ce631bfe * Address code review: remove deprecated ExecuteFluentGeneratorMethod, improve ExtractBodyGenerationData fallback, comment out dead switch code in source builder Co-authored-by: dex3r <3155725+dex3r@users.noreply.github.com> Agent-Logs-Url: https://github.com/dex3r/EasySourceGenerators/sessions/8070e196-96aa-4613-adf2-2df1ce631bfe --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: dex3r <3155725+dex3r@users.noreply.github.com>
1 parent 6ff58e5 commit 11cf617

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‎EasySourceGenerators.Examples/PiExample.cs‎

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@@ -1,4 +1,8 @@
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using EasySourceGenerators.Abstractions;
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// SwitchCase/SwitchDefault attribute-based generation is commented out pending replacement with a data-driven approach.
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// See DataMethodBodyBuilders.cs for details on the planned replacement.
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/*
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using EasySourceGenerators.Abstractions;
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// ReSharper disable ConvertClosureToMethodGroup
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namespace EasySourceGenerators.Examples;
@@ -18,6 +22,7 @@ static int GetPiDecimal_Generator_Specialized(int decimalNumber) =>
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[SwitchDefault]
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static Func<int, int> GetPiDecimal_Generator_Fallback() => decimalNumber => SlowMath.CalculatePiDecimal(decimalNumber);
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}
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*/
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/*
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This will generate the following method:

‎EasySourceGenerators.GeneratorTests/GeneratesMethodExecutionRuntimeTests.cs‎

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@@ -200,6 +200,9 @@ public static class GenHost
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Assert.That(result.error, Does.Contain("FormatException"));
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}
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// ExecuteFluentGeneratorMethod with SwitchBodyData is commented out pending replacement
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// with the data abstraction layer. See DataMethodBodyBuilders.cs for details.
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/*
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[Test]
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public void ExecuteFluentGeneratorMethod_CollectsSwitchBodyData()
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{
@@ -246,9 +249,49 @@ private static IMethodBodyGenerator GenerateMethod()
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Assert.That(result.record.CasePairs.Select(pair => pair.key), Is.EqualTo(new object[] { 1, 2, 3, 4 }));
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Assert.That(result.record.CasePairs.Select(pair => pair.value), Is.EqualTo(new[] { "2", "4", "6", "8" }));
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}
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*/
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[Test]
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public void ExecuteFluentGeneratorMethod_ReturnsErrorWhenAbstractionsReferenceIsMissing()
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public void ExecuteFluentBodyGeneratorMethod_WithBodyReturningConstant_ExtractsReturnValue()
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{
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CSharpCompilation compilation = CreateCompilation("""
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using EasySourceGenerators.Abstractions;
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namespace TestNamespace;
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public static partial class Target
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{
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public static partial string GetValue();
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}
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public static class GenHost
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{
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public static IMethodBodyGenerator Generate()
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{
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return global::EasySourceGenerators.Abstractions.Generate
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.MethodBody()
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.ForMethod()
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.WithReturnType<string>()
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.WithNoParameters()
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.BodyReturningConstant(() => "hello fluent");
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}
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}
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""");
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IMethodSymbol generatorMethod = GetMethodSymbol(compilation, "TestNamespace.GenHost", "Generate");
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IMethodSymbol partialMethod = GetMethodSymbol(compilation, "TestNamespace.Target", "GetValue");
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(FluentBodyResult? result, string? error) outcome =
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GeneratesMethodExecutionRuntime.ExecuteFluentBodyGeneratorMethod(generatorMethod, partialMethod, compilation);
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Assert.That(outcome.error, Is.Null);
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Assert.That(outcome.result, Is.Not.Null);
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Assert.That(outcome.result!.ReturnValue, Is.EqualTo("hello fluent"));
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Assert.That(outcome.result.IsVoid, Is.False);
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}
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[Test]
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public void ExecuteFluentBodyGeneratorMethod_ReturnsErrorWhenAbstractionsReferenceIsMissing()
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{
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CSharpCompilation originalCompilation = CreateCompilation("""
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namespace TestNamespace;
@@ -279,11 +322,11 @@ public static string Generate()
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IMethodSymbol generatorMethod = GetMethodSymbol(originalCompilation, "TestNamespace.GenHost", "Generate");
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IMethodSymbol partialMethod = GetMethodSymbol(originalCompilation, "TestNamespace.Target", "GetValue");
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(SwitchBodyData? record, string? error) result =
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GeneratesMethodExecutionRuntime.ExecuteFluentGeneratorMethod(generatorMethod, partialMethod, compilation);
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(FluentBodyResult? result, string? error) outcome =
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GeneratesMethodExecutionRuntime.ExecuteFluentBodyGeneratorMethod(generatorMethod, partialMethod, compilation);
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Assert.That(result.record, Is.Null);
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Assert.That(result.error, Does.StartWith("Compilation failed:"));
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Assert.That(outcome.result, Is.Null);
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Assert.That(outcome.error, Does.StartWith("Compilation failed:"));
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}
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private static CSharpCompilation CreateCompilation(

‎EasySourceGenerators.GeneratorTests/GeneratorDiagnosticsTests.cs‎

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@@ -89,8 +89,10 @@ public partial class MyClass
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// -----------------------------------------------------------------------
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// MSGH005 – Generator method has too many parameters (switch pattern)
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// SwitchCase-based tests are commented out pending replacement with data-driven approach
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// -----------------------------------------------------------------------
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/*
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[Test]
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public void GeneratesMethod_SwitchCaseWithMoreThanOneParameter_EmitsMSGH005()
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{
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Assert.That(diagnostics.Any(d => d.Id == "MSGH005"), Is.False,
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"Should not emit MSGH005 for a generator method with zero parameters");
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}
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*/
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// -----------------------------------------------------------------------
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// MSGH004 – Generator method execution failed (unfinished fluent API)
@@ -201,8 +204,10 @@ private static IMethodBodyGenerator GetValue_Generator() =>
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// -----------------------------------------------------------------------
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// Partial method called from fluent API / generator execution
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// SwitchCase-based tests are commented out pending replacement
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// -----------------------------------------------------------------------
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/*
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[Test]
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public void GeneratesMethod_PartialMethodCalledInsideGenerator_EmitsMSGH004WithHelpfulMessage()
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{
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.Or.Contain("partial method"),
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"Error message should hint that a partial method was called during generation");
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}
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*/
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// -----------------------------------------------------------------------
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// MSGH006 – SwitchCase argument type mismatch
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// SwitchCase-based tests are commented out pending replacement
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// -----------------------------------------------------------------------
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/*
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[Test]
252260
public void GeneratesMethod_SwitchCaseWithWrongArgumentType_EmitsMSGH006()
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{
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Assert.That(diagnostics.Any(d => d.Id == "MSGH006"), Is.False,
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"Should not emit MSGH006 when SwitchCase argument type matches the parameter type");
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}
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*/
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// -----------------------------------------------------------------------
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// Type mismatch between generator return type and partial method return type
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358367
"Valid generator configuration should produce no error diagnostics");
359368
}
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// SwitchCase-based tests are commented out pending replacement with data-driven approach
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/*
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[Test]
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public void GeneratesMethod_SwitchCasePattern_ValidConfiguration_ProducesNoDiagnosticErrors()
363374
{
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Assert.That(diagnostics.Where(d => d.Severity == DiagnosticSeverity.Error), Is.Empty,
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"Valid switch-case generator configuration should produce no error diagnostics");
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}
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*/
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// -----------------------------------------------------------------------
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// CompilationReference scenario – simulates Rider's code inspector
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// -----------------------------------------------------------------------
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// Bool switch parameter – valid configuration
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// SwitchCase-based tests are commented out pending replacement
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// -----------------------------------------------------------------------
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/*
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[Test]
458472
public void GeneratesMethod_SwitchCaseWithBoolParameter_ValidConfiguration_ProducesNoDiagnosticErrors()
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{
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Assert.That(diagnostics.Where(d => d.Severity == DiagnosticSeverity.Error), Is.Empty,
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"Valid bool switch case generator should produce no error diagnostics");
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}
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*/
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}

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