chore: import upstream snapshot with attribution

internal/parser/languages/react_context_capture_test.go

@@ -0,0 +1,76 @@
+package languages
+
+import (
+	"testing"
+
+	"github.com/zzet/gortex/internal/graph"
+)
+
+func reactContextRef(edges []*graph.Edge, from, ctx string) *graph.Edge {
+	for _, e := range edges {
+		if e.Kind != graph.EdgeReferences || e.From != from || e.To != "unresolved::"+ctx {
+			continue
+		}
+		if v, _ := e.Meta["via"].(string); v == "react_context" {
+			return e
+		}
+	}
+	return nil
+}
+
+func TestReactContextCapture_BindsArgToEnclosingComponent(t *testing.T) {
+	src := `import { useContext } from 'react';
+
+export function Profile() {
+  const theme = useContext(ThemeContext);
+  return null;
+}
+`
+	res, err := NewTypeScriptExtractor().Extract("src/components/Profile.tsx", []byte(src))
+	if err != nil {
+		t.Fatal(err)
+	}
+	ref := reactContextRef(res.Edges, "src/components/Profile.tsx::Profile", "ThemeContext")
+	if ref == nil {
+		t.Fatalf("expected a react_context reference to ThemeContext from Profile")
+	}
+	if cn, _ := ref.Meta["context_name"].(string); cn != "ThemeContext" {
+		t.Errorf("context_name = %q (want ThemeContext)", cn)
+	}
+}
+
+func TestReactContextCapture_NonIdentArgIgnored(t *testing.T) {
+	// `useContext(theme.ctx)` — a member-expression argument is not a bare
+	// context object and must not produce a placeholder reference.
+	src := `export function Panel() {
+  const v = useContext(theme.ctx);
+  return null;
+}
+`
+	res, err := NewTypeScriptExtractor().Extract("src/components/Panel.tsx", []byte(src))
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, e := range res.Edges {
+		if e.Kind == graph.EdgeReferences && e.Meta != nil {
+			if v, _ := e.Meta["via"].(string); v == "react_context" {
+				t.Errorf("member-expr useContext arg should not emit a react_context ref, got %s", e.To)
+			}
+		}
+	}
+}
+
+func TestReactContextCapture_JavaScriptExtractor(t *testing.T) {
+	src := `export function Widget() {
+  const c = useContext(LocaleContext);
+  return null;
+}
+`
+	res, err := NewJavaScriptExtractor().Extract("src/widget.jsx", []byte(src))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if reactContextRef(res.Edges, "src/widget.jsx::Widget", "LocaleContext") == nil {
+		t.Fatalf("expected a react_context reference to LocaleContext from Widget (JS extractor)")
+	}
+}