chore: import upstream snapshot with attribution

internal/parser/languages/java_spring_events_test.go

@@ -0,0 +1,89 @@
+package languages
+
+import (
+	"testing"
+
+	"github.com/zzet/gortex/internal/graph"
+)
+
+func springListenerNode(nodes []*graph.Node, methodName string) *graph.Node {
+	for _, n := range nodes {
+		if n.Name == methodName && n.Meta != nil && n.Meta["spring_listener_type"] != nil {
+			return n
+		}
+	}
+	return nil
+}
+
+func springPublishPlaceholder(edges []*graph.Edge, evType string) *graph.Edge {
+	for _, e := range edges {
+		if e.Meta == nil {
+			continue
+		}
+		if v, _ := e.Meta["via"].(string); v != "spring-event" {
+			continue
+		}
+		if t, _ := e.Meta["spring_event_type"].(string); t == evType {
+			return e
+		}
+	}
+	return nil
+}
+
+func TestSpringEvents_TagsListenersAndPublishers(t *testing.T) {
+	src := `package com.x;
+class OrderPlaced {}
+class OrderService {
+  private ApplicationEventPublisher publisher;
+  void place(int id) {
+    publisher.publishEvent(new OrderPlaced(id));
+  }
+}
+class MailListener {
+  @EventListener
+  void on(OrderPlaced e) {}
+}
+class AuditListener implements ApplicationListener<OrderPlaced> {
+  public void onApplicationEvent(OrderPlaced e) {}
+}
+`
+	res, err := NewJavaExtractor().Extract("App.java", []byte(src))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	on := springListenerNode(res.Nodes, "on")
+	if on == nil {
+		t.Fatalf("@EventListener method not tagged")
+	}
+	if ty, _ := on.Meta["spring_listener_type"].(string); ty != "OrderPlaced" {
+		t.Errorf("listener type = %q (want OrderPlaced)", ty)
+	}
+	if springListenerNode(res.Nodes, "onApplicationEvent") == nil {
+		t.Errorf("ApplicationListener.onApplicationEvent not tagged")
+	}
+
+	ph := springPublishPlaceholder(res.Edges, "OrderPlaced")
+	if ph == nil {
+		t.Fatalf("no publishEvent placeholder")
+	}
+	if ph.From != "App.java::OrderService.place" {
+		t.Errorf("placeholder From = %q (want App.java::OrderService.place)", ph.From)
+	}
+}
+
+func TestSpringEvents_NonEventListenerNotTagged(t *testing.T) {
+	src := `package com.x;
+class Svc {
+  @Override
+  void on(String e) {}
+}
+`
+	res, err := NewJavaExtractor().Extract("Svc.java", []byte(src))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if springListenerNode(res.Nodes, "on") != nil {
+		t.Errorf("a non-@EventListener method must not be tagged")
+	}
+}