How to use

com.nike.wingtips.servlet.WingtipsRequestSpanCompletionAsyncListener

constructor

@Override
public void setupTracingCompletionWhenAsyncRequestCompletes(
  HttpServletRequest asyncRequest,
  HttpServletResponse asyncResponse,
  TracingState originalRequestTracingState,
  HttpTagAndSpanNamingStrategy<HttpServletRequest,HttpServletResponse> tagAndNamingStrategy,
  HttpTagAndSpanNamingAdapter<HttpServletRequest,HttpServletResponse> tagAndNamingAdapter
) {
  // Async processing was started, so we have to complete it with a listener.
  asyncRequest.getAsyncContext().addListener(
    new WingtipsRequestSpanCompletionAsyncListener(
      originalRequestTracingState, tagAndNamingStrategy, tagAndNamingAdapter
    ),
    asyncRequest,
    asyncResponse
  );
}

@Test
public void constructor_sets_fields_as_expected() {
  // given
  TracingState tracingStateMock = mock(TracingState.class);
  // when
  WingtipsRequestSpanCompletionAsyncListener impl =
    new WingtipsRequestSpanCompletionAsyncListener(tracingStateMock, tagAndNamingStrategy, tagAndNamingAdapterMock);
  // then
  assertThat(impl.originalRequestTracingState).isSameAs(tracingStateMock);
  assertThat(impl.tagAndNamingStrategy).isSameAs(tagAndNamingStrategy);
  assertThat(impl.tagAndNamingAdapter).isSameAs(tagAndNamingAdapterMock);
  assertThat(impl.alreadyCompleted.get()).isFalse();
}

@Test
public void constructor_uses_default_NoOpHttpTagStrategy_if_passed_null_tag_strategy() {
  // when
  WingtipsRequestSpanCompletionAsyncListener impl =
    new WingtipsRequestSpanCompletionAsyncListener(tracingState, null, tagAndNamingAdapterMock);
  // then
  assertThat(impl.tagAndNamingStrategy).isSameAs(NoOpHttpTagStrategy.getDefaultInstance());
  assertThat(impl.originalRequestTracingState).isSameAs(tracingState);
  assertThat(impl.tagAndNamingAdapter).isSameAs(tagAndNamingAdapterMock);
}

@Test
public void constructor_uses_default_NoOpHttpTagAdapter_if_passed_null_tag_adapter() {
  // when
  WingtipsRequestSpanCompletionAsyncListener impl =
    new WingtipsRequestSpanCompletionAsyncListener(tracingState, tagAndNamingStrategy, null);
  // then
  assertThat(impl.tagAndNamingAdapter).isSameAs(NoOpHttpTagAdapter.getDefaultInstance());
  assertThat(impl.originalRequestTracingState).isSameAs(tracingState);
  assertThat(impl.tagAndNamingStrategy).isSameAs(tagAndNamingStrategy);
}

  new WingtipsRequestSpanCompletionAsyncListener(tracingState, tagAndNamingStrategy, tagAndNamingAdapterMock)
);
asyncEventMock = mock(AsyncEvent.class);