Better formatting and expression handling

test/recursive_indexing_test.go

@@ -0,0 +1,54 @@
+package integration
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/marte-community/marte-dev-tools/internal/index"
+)
+
+func TestRecursiveIndexing(t *testing.T) {
+	// Setup: root/level1/level2/deep.marte
+	rootDir, _ := os.MkdirTemp("", "rec_index")
+	defer os.RemoveAll(rootDir)
+
+	l1 := filepath.Join(rootDir, "level1")
+	l2 := filepath.Join(l1, "level2")
+	if err := os.MkdirAll(l2, 0755); err != nil {
+		t.Fatal(err)
+	}
+
+	content := "#package Deep\n+DeepObj = { Class = A }"
+	if err := os.WriteFile(filepath.Join(l2, "deep.marte"), []byte(content), 0644); err != nil {
+		t.Fatal(err)
+	}
+
+	// Also add a file in root to ensure mixed levels work
+	os.WriteFile(filepath.Join(rootDir, "root.marte"), []byte("#package Root\n+RootObj = { Class = A }"), 0644)
+
+	// Scan
+	tree := index.NewProjectTree()
+	err := tree.ScanDirectory(rootDir)
+	if err != nil {
+		t.Fatalf("Scan failed: %v", err)
+	}
+
+	// Verify Deep
+	deepPkg := tree.Root.Children["Deep"]
+	if deepPkg == nil {
+		t.Fatal("Package Deep not found")
+	}
+	if deepPkg.Children["DeepObj"] == nil {
+		t.Fatal("DeepObj not found in Deep package")
+	}
+
+	// Verify Root
+	rootPkg := tree.Root.Children["Root"]
+	if rootPkg == nil {
+		t.Fatal("Package Root not found")
+	}
+	if rootPkg.Children["RootObj"] == nil {
+		t.Fatal("RootObj not found in Root package")
+	}
+}