Add name to use static mapper generator step

src/Riok.Mapperly/MapperGenerator.cs

@@ -59,7 +59,10 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
             .Select(static (x, _) => BuildDefaults(x.Left, x.Right))
             .WithTrackingName(MapperGeneratorStepNames.BuildMapperDefaults);
 
-        var useStaticMappers = SyntaxProvider.GetUseStaticMapperDeclarations(context).Select(BuildStaticMappers);
+        var useStaticMappers = SyntaxProvider
+            .GetUseStaticMapperDeclarations(context)
+            .Select(BuildStaticMappers)
+            .WithTrackingName(MapperGeneratorStepNames.BuildUseStaticMappers);
 
         // extract the mapper declarations and build the descriptors
         var mappersAndDiagnostics = SyntaxProvider

src/Riok.Mapperly/MapperGeneratorStepNames.cs

@@ -4,6 +4,7 @@ public static class MapperGeneratorStepNames
 {
     public const string BuildCompilationContext = nameof(BuildCompilationContext);
     public const string BuildMapperDefaults = nameof(BuildMapperDefaults);
+    public const string BuildUseStaticMappers = nameof(BuildUseStaticMappers);
     public const string ReportDiagnostics = nameof(ReportDiagnostics);
     public const string BuildMappers = nameof(BuildMappers);
 }

test/Riok.Mapperly.Tests/Generator/IncrementalGeneratorRunReasons.cs

@@ -5,6 +5,7 @@ namespace Riok.Mapperly.Tests.Generator;
 internal record IncrementalGeneratorRunReasons(
     IncrementalStepRunReason CompilationStep,
     IncrementalStepRunReason BuildMapperDefaultsStep,
+    IncrementalStepRunReason BuildUseStaticMapperDefaultsStep,
     IncrementalStepRunReason BuildMappersStep,
     IncrementalStepRunReason ReportDiagnosticsStep
 )
@@ -13,6 +14,7 @@ IncrementalStepRunReason ReportDiagnosticsStep
         IncrementalStepRunReason.New,
         IncrementalStepRunReason.New,
         IncrementalStepRunReason.New,
+        IncrementalStepRunReason.New,
         IncrementalStepRunReason.New
     );
 
@@ -21,6 +23,7 @@ IncrementalStepRunReason ReportDiagnosticsStep
         IncrementalStepRunReason.Modified,
         IncrementalStepRunReason.Unchanged,
         IncrementalStepRunReason.Cached,
+        IncrementalStepRunReason.Cached,
         IncrementalStepRunReason.Cached
     );
 

test/Riok.Mapperly.Tests/Generator/IncrementalGeneratorTestHelper.cs

@@ -35,6 +35,12 @@ public static void AssertRunReasons(GeneratorDriver driver, IncrementalGenerator
             // only assert for the first mapper
             AssertRunReason(runResult, MapperGeneratorStepNames.BuildCompilationContext, reasons.CompilationStep, mapperIndex);
             AssertRunReason(runResult, MapperGeneratorStepNames.BuildMapperDefaults, reasons.BuildMapperDefaultsStep, mapperIndex);
+            AssertRunReason(
+                runResult,
+                MapperGeneratorStepNames.BuildUseStaticMappers,
+                reasons.BuildUseStaticMapperDefaultsStep,
+                mapperIndex
+            );
         }
 
         AssertRunReason(runResult, MapperGeneratorStepNames.ReportDiagnostics, reasons.ReportDiagnosticsStep, mapperIndex);