Improved indexing, hover documentation and implemente renaming

test/lsp_rename_signal_test.go

@@ -0,0 +1,110 @@
+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"
+	"github.com/marte-community/marte-dev-tools/internal/validator"
+)
+
+func TestRenameSignalInGAM(t *testing.T) {
+	// Setup
+	lsp.Tree = index.NewProjectTree()
+	lsp.Documents = make(map[string]string)
+
+	content := `
++DS = {
+    Class = FileReader
+    +Signals = {
+        Sig1 = { Type = uint32 }
+    }
+}
++GAM = {
+    Class = IOGAM
+    +InputSignals = {
+        // Implicit match
+        Sig1 = { DataSource = DS }
+        // Explicit Alias
+        S2 = { DataSource = DS Alias = Sig1 }
+    }
+}
+`
+	uri := "file://rename_sig.marte"
+	lsp.Documents[uri] = content
+	p := parser.NewParser(content)
+	cfg, err := p.Parse()
+	if err != nil {
+		t.Fatal(err)
+	}
+	lsp.Tree.AddFile("rename_sig.marte", cfg)
+	lsp.Tree.ResolveReferences()
+
+	// Run validator to populate Targets
+	v := validator.NewValidator(lsp.Tree, ".")
+	v.ValidateProject()
+
+	// Rename DS.Sig1 to NewSig
+	// Sig1 is at Line 5.
+	// Line 0: empty
+	// Line 1: +DS
+	// Line 2: Class
+	// Line 3: +Signals
+	// Line 4: Sig1
+	params := lsp.RenameParams{
+		TextDocument: lsp.TextDocumentIdentifier{URI: uri},
+		Position:     lsp.Position{Line: 4, Character: 9}, // Sig1
+		NewName:      "NewSig",
+	}
+
+	edit := lsp.HandleRename(params)
+	if edit == nil {
+		t.Fatal("Expected edits")
+	}
+
+	edits := edit.Changes[uri]
+
+	// Expect:
+	// 1. Definition of Sig1 in DS (Line 5) -> NewSig
+	// 2. Definition of Sig1 in GAM (Line 10) -> NewSig (Implicit match)
+	// 3. Alias reference in S2 (Line 12) -> NewSig
+
+	// Line 10: Sig1 = ... (0-based 9)
+	// Line 12: S2 = ... Alias = Sig1 (0-based 11)
+
+	expectedCount := 3
+	if len(edits) != expectedCount {
+		t.Errorf("Expected %d edits, got %d", expectedCount, len(edits))
+		for _, e := range edits {
+			t.Logf("Edit: %s at %d", e.NewText, e.Range.Start.Line)
+		}
+	}
+
+	// Check Implicit Signal Rename
+	foundImplicit := false
+	for _, e := range edits {
+		if e.Range.Start.Line == 11 {
+			if e.NewText == "NewSig" {
+				foundImplicit = true
+			}
+		}
+	}
+	if !foundImplicit {
+		t.Error("Did not find implicit signal rename")
+	}
+
+	// Check Alias Rename
+	foundAlias := false
+	for _, e := range edits {
+		if e.Range.Start.Line == 13 {
+			// Alias = Sig1. Range should cover Sig1.
+			if e.NewText == "NewSig" {
+				foundAlias = true
+			}
+		}
+	}
+	if !foundAlias {
+		t.Error("Did not find alias reference rename")
+	}
+}