diff --git a/tools/cache/shared_informer_test.go b/tools/cache/shared_informer_test.go index 6f49d167..22e4a90d 100644 --- a/tools/cache/shared_informer_test.go +++ b/tools/cache/shared_informer_test.go @@ -251,3 +251,15 @@ func TestResyncCheckPeriod(t *testing.T) { t.Errorf("expected %d, got %d", e, a) } } + +// verify that https://github.com/kubernetes/kubernetes/issues/59822 is fixed +func TestSharedInformerInitializationRace(t *testing.T) { + source := fcache.NewFakeControllerSource() + informer := NewSharedInformer(source, &v1.Pod{}, 1*time.Second).(*sharedIndexInformer) + listener := newTestListener("raceListener", 0) + + stop := make(chan struct{}) + go informer.AddEventHandlerWithResyncPeriod(listener, listener.resyncPeriod) + go informer.Run(stop) + close(stop) +}