@Override
    public void updateIngress(Ingress ingress) {
        checkNotNull(ingress, ERR_NULL_INGRESS);
        checkArgument(!Strings.isNullOrEmpty(ingress.getMetadata().getUid()),
                ERR_NULL_INGRESS_UID);

        k8sIngressStore.updateIngress(ingress);

        log.info(String.format(MSG_INGRESS, ingress.getMetadata().getName(), MSG_UPDATED));
    }
@Test(expected = IllegalArgumentException.class)
    public void testUpdateUnregisteredIngress() {
        target.updateIngress(INGRESS);
    }