@Test
	public void testNoPreexistingCounter() {
		MessageCounterHandler handler = new MessageCounterHandler(repo, "'tupleCounter'");
		Message<String> message = MessageBuilder.withPayload("Hi").build();
		handler.process(message);
		Counter counter = repo.findOne("tupleCounter");
		assertThat(counter.getValue(), equalTo(1L));

	}
@author Mark Pollack
@author Gary Russell
@since 1.0
spring-xd-analytics/src/test/java/org/springframework/xd/analytics/metrics/integration/MessageCounterHandlerTests.java