/**
* In zipkin, the service context is attached to annotations. Sleuth spans that have no
* annotations will get an "lc" one, which allows them to be queryable in zipkin by service name.
*/
@Test
public void spanWithoutAnnotationsLogsComponent() {
io.zipkin.Span result = ZipkinMessageListener.convert(span, host);
assertThat(result.binaryAnnotations).hasSize(1);
assertThat(result.binaryAnnotations.get(0))
.isEqualToComparingFieldByField(
BinaryAnnotation.create("lc", span.getProcessId(), endpoint));
}
