private void beginTrace(final ClientTracer tracer, final String sql, final Connection connection)
throws SQLException {
final String schema = connection.getSchema();
tracer.startNewSpan("query");
tracer.setCurrentClientServiceName(schema == null ? "MySQL" : schema);
tracer.submitBinaryAnnotation("executed.query", sql);
tracer.setClientSent();
}
private void endTrace(
final ClientTracer tracer, final int warningCount, final SQLException statementException) {
try {
if (warningCount > 0) {
tracer.submitBinaryAnnotation("warning.count", warningCount);
}
if (statementException != null) {
tracer.submitBinaryAnnotation("error.code", statementException.getErrorCode());
}
} finally {
tracer.setClientReceived();
}
}
@Test
public void testExecuteHttpCodeNoSuccess() throws Exception {
final SpanId mockSpanId = mock(SpanId.class);
when(mockSpanId.getTraceId()).thenReturn(TRACE_ID);
when(mockSpanId.getSpanId()).thenReturn(SPAN_ID);
when(mockSpanId.getParentSpanId()).thenReturn(PARENT_SPAN_ID);
when(mockClientTracer.startNewSpan(PATH)).thenReturn(mockSpanId);
when(mockClientResponse.getStatus()).thenReturn(SERVER_ERROR_STATUS);
assertSame(mockClientResponse, interceptor.execute(mockExecutionContext));
final InOrder inOrder = inOrder(mockClientTracer, mockClientRequest, mockExecutionContext);
inOrder.verify(mockClientTracer).startNewSpan(PATH);
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.Sampled.getName(), "true");
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.TraceId.getName(), TRACE_ID_HEX);
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.SpanId.getName(), SPAN_ID_HEX);
inOrder
.verify(mockClientRequest)
.header(BraveHttpHeaders.ParentSpanId.getName(), PARENT_SPAN_ID_HEX);
inOrder.verify(mockClientTracer).setCurrentClientServiceName(CONTEXT_PATH);
inOrder
.verify(mockClientTracer)
.submitBinaryAnnotation(REQUEST_ANNOTATION, HTTP_METHOD + " " + URI);
inOrder.verify(mockClientTracer).setClientSent();
inOrder.verify(mockExecutionContext).proceed();
inOrder
.verify(mockClientTracer)
.submitBinaryAnnotation("http.responsecode", SERVER_ERROR_STATUS);
inOrder.verify(mockClientTracer).submitAnnotation("failure");
inOrder.verify(mockClientTracer).setClientReceived();
verifyNoMoreInteractions(mockClientTracer);
}
@Test
public void testExecuteTracingNoParentSpan() throws Exception {
final SpanId mockSpanId = mock(SpanId.class);
when(mockSpanId.getTraceId()).thenReturn(TRACE_ID);
when(mockSpanId.getSpanId()).thenReturn(SPAN_ID);
when(mockSpanId.getParentSpanId()).thenReturn(null);
when(mockClientTracer.startNewSpan(PATH)).thenReturn(mockSpanId);
assertSame(mockClientResponse, interceptor.execute(mockExecutionContext));
final InOrder inOrder = inOrder(mockClientTracer, mockClientRequest, mockExecutionContext);
inOrder.verify(mockClientTracer).startNewSpan(PATH);
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.Sampled.getName(), "true");
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.TraceId.getName(), TRACE_ID_HEX);
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.SpanId.getName(), SPAN_ID_HEX);
inOrder.verify(mockClientTracer).setCurrentClientServiceName(CONTEXT_PATH);
inOrder
.verify(mockClientTracer)
.submitBinaryAnnotation(REQUEST_ANNOTATION, HTTP_METHOD + " " + URI);
inOrder.verify(mockClientTracer).setClientSent();
inOrder.verify(mockExecutionContext).proceed();
inOrder
.verify(mockClientTracer)
.submitBinaryAnnotation(HTTP_RESPONSE_CODE_ANNOTATION, OK_STATUS);
inOrder.verify(mockClientTracer).setClientReceived();
verifyNoMoreInteractions(mockClientTracer);
}
@Test
public void testTracingFalse()
throws ClientProtocolException, IOException, UnsatisfiedExpectationException {
when(clientTracer.startNewSpan(PATH)).thenReturn(null);
final HttpRequestImpl request = new HttpRequestImpl();
request
.method(Method.GET)
.path(PATH)
.httpMessageHeader(BraveHttpHeaders.Sampled.getName(), "false");
final HttpResponseImpl response = new HttpResponseImpl(200, null, null);
responseProvider.set(request, response);
final CloseableHttpClient httpclient =
HttpClients.custom()
.addInterceptorFirst(new BraveHttpRequestInterceptor(clientTracer))
.addInterceptorFirst(new BraveHttpResponseInterceptor(clientTracer))
.build();
try {
final HttpGet httpGet = new HttpGet(REQUEST);
final CloseableHttpResponse httpClientResponse = httpclient.execute(httpGet);
assertEquals(200, httpClientResponse.getStatusLine().getStatusCode());
httpClientResponse.close();
mockServer.verify();
final InOrder inOrder = inOrder(clientTracer);
inOrder.verify(clientTracer).startNewSpan(PATH);
inOrder.verify(clientTracer).submitBinaryAnnotation("request", "GET " + PATH);
inOrder.verify(clientTracer).setClientSent();
inOrder.verify(clientTracer).setClientReceived();
verifyNoMoreInteractions(clientTracer);
} finally {
httpclient.close();
}
}
@Test
public void testExecuteNoTracingSpanNameNotSpecified() throws Exception {
when(mockClientTracer.startNewSpan(CUSTOM_SPAN_NAME)).thenReturn(null);
assertSame(mockClientResponse, interceptor.execute(mockExecutionContext));
final InOrder inOrder = inOrder(mockClientTracer, mockClientRequest, mockExecutionContext);
inOrder.verify(mockClientTracer).startNewSpan(PATH);
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.Sampled.getName(), "false");
inOrder.verify(mockClientTracer).setCurrentClientServiceName(CONTEXT_PATH);
inOrder
.verify(mockClientTracer)
.submitBinaryAnnotation(REQUEST_ANNOTATION, HTTP_METHOD + " " + URI);
inOrder.verify(mockClientTracer).setClientSent();
inOrder.verify(mockExecutionContext).proceed();
inOrder
.verify(mockClientTracer)
.submitBinaryAnnotation(HTTP_RESPONSE_CODE_ANNOTATION, OK_STATUS);
inOrder.verify(mockClientTracer).setClientReceived();
verifyNoMoreInteractions(mockClientTracer);
}
@Test
public void testExecuteProceedThrowsException() throws Exception {
final SpanId mockSpanId = mock(SpanId.class);
when(mockSpanId.getTraceId()).thenReturn(TRACE_ID);
when(mockSpanId.getSpanId()).thenReturn(SPAN_ID);
when(mockSpanId.getParentSpanId()).thenReturn(PARENT_SPAN_ID);
when(mockClientTracer.startNewSpan(PATH)).thenReturn(mockSpanId);
final IllegalStateException exception = new IllegalStateException("Test exception");
when(mockExecutionContext.proceed()).thenThrow(exception);
try {
interceptor.execute(mockExecutionContext);
fail("Expected exception.");
} catch (final IllegalStateException e) {
assertSame(exception, e);
}
final InOrder inOrder = inOrder(mockClientTracer, mockClientRequest, mockExecutionContext);
inOrder.verify(mockClientTracer).startNewSpan(PATH);
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.Sampled.getName(), "true");
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.TraceId.getName(), TRACE_ID_HEX);
inOrder.verify(mockClientRequest).header(BraveHttpHeaders.SpanId.getName(), SPAN_ID_HEX);
inOrder
.verify(mockClientRequest)
.header(BraveHttpHeaders.ParentSpanId.getName(), Long.toHexString(PARENT_SPAN_ID));
inOrder.verify(mockClientTracer).setCurrentClientServiceName(CONTEXT_PATH);
inOrder
.verify(mockClientTracer)
.submitBinaryAnnotation(REQUEST_ANNOTATION, HTTP_METHOD + " " + URI);
inOrder.verify(mockClientTracer).setClientSent();
inOrder.verify(mockExecutionContext).proceed();
inOrder.verify(mockClientTracer).submitBinaryAnnotation(HTTP_RESPONSE_CODE_ANNOTATION, 0);
inOrder.verify(mockClientTracer).submitAnnotation("failure");
inOrder.verify(mockClientTracer).setClientReceived();
verifyNoMoreInteractions(mockClientTracer);
}