layer1: add namespace event helpers step 15

pkg/utils/namespace_manager_model_test.go

@@ -64,4 +64,25 @@ func TestNamespaceRecordIsTerminal(t *testing.T) {
 			t.Fatalf("expected terminal=%v for phase %s", test.expected, test.phase)
 		}
 	}
-}
+}
+
+func TestNewNamespaceEventClonesLabels(t *testing.T) {
+	now := time.Now().UTC()
+	labels := map[string]string{ManagedNamespaceLabelKey: ManagedNamespaceLabelValue}
+	event := NewNamespaceEvent(NamespaceEventAdd, "tenant-a", labels, NamespaceSourceWatcher, now)
+	labels[ManagedNamespaceLabelKey] = "false"
+
+	if event.Labels[ManagedNamespaceLabelKey] != ManagedNamespaceLabelValue {
+		t.Fatalf("expected namespace event labels to be cloned")
+	}
+}
+
+func TestManagedNamespaceEvent(t *testing.T) {
+	event := ManagedNamespaceEvent(NamespaceEventAdd, "tenant-a", NamespaceSourceWatcher, time.Now().UTC())
+	if event.Labels[ManagedNamespaceLabelKey] != ManagedNamespaceLabelValue {
+		t.Fatalf("expected managed namespace label in event")
+	}
+	if event.Name != "tenant-a" {
+		t.Fatalf("expected tenant-a event name")
+	}
+}