package org.skywalking.apm.plugin.httpClient.v4;
import org.apache.http.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.skywalking.apm.agent.core.boot.ServiceManager;
import org.skywalking.apm.agent.core.context.TracerContext;
import org.skywalking.apm.agent.core.plugin.interceptor.EnhancedClassInstanceContext;
import org.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodInvokeContext;
import org.skywalking.apm.sniffer.mock.context.MockTracerContextListener;
import org.skywalking.apm.sniffer.mock.context.SegmentAssert;
import org.skywalking.apm.trace.LogData;
import org.skywalking.apm.trace.Span;
import org.skywalking.apm.trace.TraceSegment;
import org.skywalking.apm.trace.tag.Tags;
import java.util.List;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.*;
@RunWith(PowerMockRunner.class)
@PrepareForTest(HttpHost.class)
public class HttpClientExecuteInterceptorTest {
private HttpClientExecuteInterceptor httpClientExecuteInterceptor;
private MockTracerContextListener mockTracerContextListener;
@Mock
private EnhancedClassInstanceContext classInstanceContext;
@Mock
private InstanceMethodInvokeContext instanceMethodInvokeContext;
@Mock
private HttpHost httpHost;
@Mock
private HttpRequest request;
@Mock
private HttpResponse httpResponse;
@Mock
private StatusLine statusLine;
@Before
public void setUp() throws Exception {
mockTracerContextListener = new MockTracerContextListener();
ServiceManager.INSTANCE.boot();
httpClientExecuteInterceptor = new HttpClientExecuteInterceptor();
PowerMockito.mock(HttpHost.class);
when(statusLine.getStatusCode()).thenReturn(200);
when(instanceMethodInvokeContext.allArguments()).thenReturn(new Object[] {httpHost, request});
when(httpResponse.getStatusLine()).thenReturn(statusLine);
when(httpHost.getHostName()).thenReturn("127.0.0.1");
when(httpHost.getSchemeName()).thenReturn("http");
when(request.getRequestLine()).thenReturn(new RequestLine() {
@Override
public String getMethod() {
return "GET";
}
@Override
public ProtocolVersion getProtocolVersion() {
return new ProtocolVersion("http", 1, 1);
}
@Override
public String getUri() {
return "http://127.0.0.1:8080/test-web/test";
}
});
when(httpHost.getPort()).thenReturn(8080);
TracerContext.ListenerManager.add(mockTracerContextListener);
}
@Test
public void testHttpClient() {
httpClientExecuteInterceptor.beforeMethod(classInstanceContext, instanceMethodInvokeContext, null);
httpClientExecuteInterceptor.afterMethod(classInstanceContext, instanceMethodInvokeContext, httpResponse);
mockTracerContextListener.assertSize(1);
mockTracerContextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
assertHttpSpan(traceSegment.getSpans().get(0));
verify(request, times(1)).setHeader(anyString(), anyString());
}
});
}
@Test
public void testStatusCodeNotEquals200() {
when(statusLine.getStatusCode()).thenReturn(500);
httpClientExecuteInterceptor.beforeMethod(classInstanceContext, instanceMethodInvokeContext, null);
httpClientExecuteInterceptor.afterMethod(classInstanceContext, instanceMethodInvokeContext, httpResponse);
mockTracerContextListener.assertSize(1);
mockTracerContextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
assertHttpSpan(traceSegment.getSpans().get(0));
assertThat(Tags.ERROR.get(traceSegment.getSpans().get(0)), is(true));
verify(request, times(1)).setHeader(anyString(), anyString());
}
});
}
@Test
public void testHttpClientWithException() {
httpClientExecuteInterceptor.beforeMethod(classInstanceContext, instanceMethodInvokeContext, null);
httpClientExecuteInterceptor.handleMethodException(new RuntimeException(), classInstanceContext, instanceMethodInvokeContext);
httpClientExecuteInterceptor.afterMethod(classInstanceContext, instanceMethodInvokeContext, httpResponse);
mockTracerContextListener.assertSize(1);
mockTracerContextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
Span span = traceSegment.getSpans().get(0);
assertHttpSpan(span);
assertThat(Tags.ERROR.get(span), is(true));
assertHttpSpanErrorLog(span.getLogs());
verify(request, times(1)).setHeader(anyString(), anyString());
}
private void assertHttpSpanErrorLog(List<LogData> logs) {
assertThat(logs.size(), is(1));
LogData logData = logs.get(0);
assertThat(logData.getFields().size(), is(4));
}
});
}
private void assertHttpSpan(Span span) {
assertThat(span.getOperationName(), is("/test-web/test"));
assertThat(Tags.COMPONENT.get(span), is("HttpClient"));
assertThat(Tags.PEER_HOST.get(span), is("127.0.0.1"));
assertThat(Tags.PEER_PORT.get(span), is(8080));
assertThat(Tags.URL.get(span), is("http://127.0.0.1:8080/test-web/test"));
assertThat(Tags.SPAN_KIND.get(span), is(Tags.SPAN_KIND_CLIENT));
}
@After
public void tearDown() throws Exception {
TracerContext.ListenerManager.remove(mockTracerContextListener);
}
}