Fixed isolated file indexing

test/isolation_test.go

@@ -0,0 +1,38 @@
+package integration
+
+import (
+	"testing"
+
+	"github.com/marte-community/marte-dev-tools/internal/index"
+	"github.com/marte-community/marte-dev-tools/internal/parser"
+)
+
+func TestIsolatedFileIsolation(t *testing.T) {
+	pt := index.NewProjectTree()
+
+	// File 1: Project file
+	f1 := "#package P\n+A = { Class = C }"
+	p1 := parser.NewParser(f1)
+	c1, _ := p1.Parse()
+	pt.AddFile("f1.marte", c1)
+
+	// File 2: Isolated file
+	f2 := "+B = { Class = C }"
+	p2 := parser.NewParser(f2)
+	c2, _ := p2.Parse()
+	pt.AddFile("f2.marte", c2)
+
+	pt.ResolveReferences()
+
+	// Try finding A from f2
+	isoNode := pt.IsolatedFiles["f2.marte"]
+	if pt.ResolveName(isoNode, "A", nil) != nil {
+		t.Error("Isolated file f2 should not see global A")
+	}
+
+	// Try finding B from f1
+	pNode := pt.Root.Children["P"]
+	if pt.ResolveName(pNode, "B", nil) != nil {
+		t.Error("Project file f1 should not see isolated B")
+	}
+}

test/lsp_completion_test.go

@@ -193,8 +193,8 @@ $App = {
 				}
 			}
 		}
-		if !foundProjectDS {
-			t.Error("Expected ProjectDS in isolated file suggestions (now shared root)")
+		if foundProjectDS {
+			t.Error("Did not expect ProjectDS in isolated file suggestions (isolation)")
 		}
 
 		// Completion in a project file

test/lsp_signal_test.go

@@ -45,9 +45,9 @@ func TestLSPSignalReferences(t *testing.T) {
 	v.ValidateProject()
 
 	// Find definition of MySig in MyDS
-	root := idx.Root
+	root := idx.IsolatedFiles["signal_refs.marte"]
 	if root == nil {
-		t.Fatal("Root node not found")
+		t.Fatal("Root node not found (isolated)")
 	}
 
 	// Traverse to MySig

test/validator_multifile_test.go

@@ -194,7 +194,7 @@ func TestIsolatedFileValidation(t *testing.T) {
 		t.Fatal("Reference SharedObj not found in index")
 	}
 
-	if ref.Target == nil {
-		t.Errorf("Expected reference in root file (iso.marte) to resolve to global SharedObj")
+	if ref.Target != nil {
+		t.Errorf("Isolation failure: reference in isolated file resolved to global object")
 	}
 }