/** * This tests that the parent is determined at the time the request was made, not when the request * was executed. */ @Test public void usesParentFromInvocationTime_local() throws Exception { server.enqueue(new MockResponse().setBodyDelay(1, TimeUnit.SECONDS)); server.enqueue(new MockResponse()); SpanId parent = brave.localTracer().startNewSpan(getClass().getSimpleName(), "test"); try { getAsync(client, "/foo"); getAsync(client, "/foo"); } finally { brave.localTracer().finishSpan(); } // changing the local span after the fact! brave.localTracer().startNewSpan(getClass().getSimpleName(), "test"); try { for (int i = 0; i < 2; i++) { RecordedRequest request = server.takeRequest(); assertThat(request.getHeader("x-b3-traceId")) .isEqualTo(parent.traceIdString()); assertThat(request.getHeader("x-b3-parentspanid")) .endsWith(IdConversion.convertToString(parent.spanId)); } } finally { brave.localTracer().finishSpan(); } }
@Test public void usesParentFromInvocationTime_server() throws Exception { server.enqueue(new MockResponse().setBodyDelay(1, TimeUnit.SECONDS)); server.enqueue(new MockResponse()); brave.serverTracer().setStateUnknown("test"); ServerSpan parent = brave.serverSpanThreadBinder().getCurrentServerSpan(); try { getAsync(client, "/foo"); getAsync(client, "/foo"); } finally { brave.serverTracer().clearCurrentSpan(); } // changing the server span after the fact! brave.serverTracer().setStateUnknown("test"); try { for (int i = 0; i < 2; i++) { RecordedRequest request = server.takeRequest(); assertThat(request.getHeader("x-b3-traceId")) .endsWith(IdConversion.convertToString(parent.getSpan().getTrace_id())); assertThat(request.getHeader("x-b3-parentspanid")) .endsWith(IdConversion.convertToString(parent.getSpan().getId())); } } finally { brave.serverTracer().clearCurrentSpan(); } }