	@Test
	public void shouldNotCalculateLagForProducerTopics() {

		List<PartitionInfo> partitions = partitions(new Node(0, null, 0));
		topicsInUse.put(TEST_TOPIC, new TopicInformation(null, partitions, false));
		metrics.bindTo(meterRegistry);
		assertThat(meterRegistry.getMeters()).isEmpty();
	}