Improved indexing, hover documentation and implemente renaming

test/lsp_rename_test.go

@@ -0,0 +1,92 @@
+package integration
+
+import (
+	"testing"
+
+	"github.com/marte-community/marte-dev-tools/internal/index"
+	"github.com/marte-community/marte-dev-tools/internal/lsp"
+	"github.com/marte-community/marte-dev-tools/internal/parser"
+)
+
+func TestHandleRename(t *testing.T) {
+	// Setup
+	lsp.Tree = index.NewProjectTree()
+	lsp.Documents = make(map[string]string)
+
+	content := `
+#package Some
++MyNode = {
+    Class = Type
+}
++Consumer = {
+    Link = MyNode
+    PkgLink = Some.MyNode
+}
+`
+	uri := "file://rename.marte"
+	lsp.Documents[uri] = content
+	p := parser.NewParser(content)
+	cfg, err := p.Parse()
+	if err != nil {
+		t.Fatal(err)
+	}
+	lsp.Tree.AddFile("rename.marte", cfg)
+	lsp.Tree.ResolveReferences()
+
+	// Rename +MyNode to NewNode
+	// +MyNode is at Line 2 (after #package)
+	// Line 0: empty
+	// Line 1: #package
+	// Line 2: +MyNode
+	params := lsp.RenameParams{
+		TextDocument: lsp.TextDocumentIdentifier{URI: uri},
+		Position:     lsp.Position{Line: 2, Character: 4}, // +MyNode
+		NewName:      "NewNode",
+	}
+
+	edit := lsp.HandleRename(params)
+	if edit == nil {
+		t.Fatal("Expected edits")
+	}
+
+	edits := edit.Changes[uri]
+	if len(edits) != 3 {
+		t.Errorf("Expected 3 edits (Def, Link, PkgLink), got %d", len(edits))
+	}
+
+	// Verify Definition change (+MyNode -> +NewNode)
+	foundDef := false
+	for _, e := range edits {
+		if e.NewText == "+NewNode" {
+			foundDef = true
+			if e.Range.Start.Line != 2 {
+				t.Errorf("Definition edit line wrong: %d", e.Range.Start.Line)
+			}
+		}
+	}
+	if !foundDef {
+		t.Error("Did not find definition edit +NewNode")
+	}
+
+	// Verify Link change (MyNode -> NewNode)
+	foundLink := false
+	for _, e := range edits {
+		if e.NewText == "NewNode" && e.Range.Start.Line == 6 { // Link = MyNode
+			foundLink = true
+		}
+	}
+	if !foundLink {
+		t.Error("Did not find Link edit")
+	}
+
+	// Verify PkgLink change (Some.MyNode -> Some.NewNode)
+	foundPkg := false
+	for _, e := range edits {
+		if e.NewText == "NewNode" && e.Range.Start.Line == 7 { // PkgLink = Some.MyNode
+			foundPkg = true
+		}
+	}
+	if !foundPkg {
+		t.Error("Did not find PkgLink edit")
+	}
+}