chore: import upstream snapshot with attribution

internal/parser/languages/csharp_dotnet_test.go

@@ -0,0 +1,47 @@
+package languages
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/zzet/gortex/internal/graph"
+	"github.com/zzet/gortex/internal/parser"
+)
+
+func TestDetectDotNetSurfaces_DIRegistrations(t *testing.T) {
+	result := &parser.ExtractionResult{
+		Nodes: []*graph.Node{{ID: "Startup.cs", Kind: graph.KindFile, FilePath: "Startup.cs"}},
+	}
+	src := []byte(`public void ConfigureServices(IServiceCollection services) {
+    services.AddScoped<IUserRepo, UserRepo>();
+    services.AddSingleton<ILogger>();
+    builder.Services.AddTransient<IFoo, Foo>();
+}`)
+	detectDotNetSurfaces(src, result)
+
+	regs, _ := result.Nodes[0].Meta["di_registrations"].([]string)
+	require.Len(t, regs, 3)
+	require.Contains(t, regs, "scoped IUserRepo -> UserRepo")
+	require.Contains(t, regs, "singleton ILogger")
+	require.Contains(t, regs, "transient IFoo -> Foo")
+}
+
+func TestDetectDotNetSurfaces_COMInterop(t *testing.T) {
+	result := &parser.ExtractionResult{
+		Nodes: []*graph.Node{{ID: "Com.cs", Kind: graph.KindFile, FilePath: "Com.cs"}},
+	}
+	src := []byte(`[ComImport]
+[Guid("00000000-0000-0000-0000-000000000000")]
+interface IShellLink {}`)
+	detectDotNetSurfaces(src, result)
+	require.Equal(t, true, result.Nodes[0].Meta["com_interop"])
+}
+
+func TestDetectDotNetSurfaces_PlainFile(t *testing.T) {
+	result := &parser.ExtractionResult{
+		Nodes: []*graph.Node{{ID: "Plain.cs", Kind: graph.KindFile, FilePath: "Plain.cs"}},
+	}
+	detectDotNetSurfaces([]byte(`public class Plain { void M() {} }`), result)
+	require.Nil(t, result.Nodes[0].Meta) // nothing to stamp
+}