using any instead of interface

test/lsp_signal_test.go

@@ -0,0 +1,49 @@
+package integration
+
+import (
+	"testing"
+
+	"github.com/marte-dev/marte-dev-tools/internal/index"
+	"github.com/marte-dev/marte-dev-tools/internal/parser"
+)
+
+func TestLSPSignalMetadata(t *testing.T) {
+	content := `
++MySignal = {
+    Class = Signal
+    Type = uint32
+    NumberOfElements = 10
+    NumberOfDimensions = 1
+    DataSource = DDB1
+}
+`
+	p := parser.NewParser(content)
+	config, err := p.Parse()
+	if err != nil {
+		t.Fatalf("Parse failed: %v", err)
+	}
+
+	idx := index.NewProjectTree()
+	file := "signal.marte"
+	idx.AddFile(file, config)
+	
+	res := idx.Query(file, 2, 2) // Query +MySignal
+	if res == nil || res.Node == nil {
+		t.Fatal("Query failed for signal definition")
+	}
+	
+	meta := res.Node.Metadata
+	if meta["Class"] != "Signal" {
+		t.Errorf("Expected Class Signal, got %s", meta["Class"])
+	}
+	if meta["Type"] != "uint32" {
+		t.Errorf("Expected Type uint32, got %s", meta["Type"])
+	}
+	if meta["NumberOfElements"] != "10" {
+		t.Errorf("Expected 10 elements, got %s", meta["NumberOfElements"])
+	}
+	
+	// Since handleHover logic is in internal/lsp which we can't easily test directly without
+	// exposing formatNodeInfo, we rely on the fact that Metadata is populated correctly.
+	// If Metadata is correct, server.go logic (verified by code review) should display it.
+}