Merge pull request kubernetes#121900 from carlory/rc-registry-test

rc registry: add unit test for UpdateStatus

Author: k8s-ci-robot

pkg/registry/core/replicationcontroller/storage/storage_test.go

@@ -259,7 +259,33 @@ func TestWatch(t *testing.T) {
 	)
 }
 
-//TODO TestUpdateStatus
+func TestUpdateStatus(t *testing.T) {
+	storage, server := newStorage(t)
+	defer server.Terminate(t)
+	defer storage.Controller.Store.Destroy()
+
+	ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
+	rcStart, err := createController(storage.Controller, *validController, t)
+	if err != nil {
+		t.Fatalf("error setting new replication controller %v: %v", *validController, err)
+	}
+
+	rc := rcStart.DeepCopy()
+	rc.Status.Replicas++
+	_, _, err = storage.Status.Update(ctx, rc.Name, rest.DefaultUpdatedObjectInfo(rc), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{})
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	obj, err := storage.Status.Get(ctx, rc.Name, &metav1.GetOptions{})
+	if err != nil {
+		t.Errorf("unexpected error: %v", err)
+	}
+	rcGot := obj.(*api.ReplicationController)
+	// only compare relevant changes b/c of difference in metadata
+	if !apiequality.Semantic.DeepEqual(rc.Status, rcGot.Status) {
+		t.Errorf("unexpected object: %s", cmp.Diff(rc.Status, rcGot.Status))
+	}
+}
 
 func TestScaleGet(t *testing.T) {
 	storage, server := newStorage(t)