package org.skywalking.apm.plugin.motan;
import com.weibo.api.motan.rpc.Request;
import com.weibo.api.motan.rpc.Response;
import com.weibo.api.motan.rpc.URL;
import org.hamcrest.CoreMatchers;
import org.hamcrest.MatcherAssert;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
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.ConstructorInvokeContext;
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.TraceSegmentRef;
import org.skywalking.apm.trace.tag.Tags;
import java.util.HashMap;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.*;
import static org.mockito.Mockito.when;
@RunWith(MockitoJUnitRunner.class)
public class MotanProviderInterceptorTest {
private MockTracerContextListener contextListener;
private MotanProviderInterceptor invokeInterceptor;
@Mock
private EnhancedClassInstanceContext instanceContext;
@Mock
private InstanceMethodInvokeContext interceptorContext;
@Mock
private ConstructorInvokeContext constructorInvokeContext;
@Mock
private Response response;
@Mock
private Request request;
private URL url;
@Before
public void setUp() {
ServiceManager.INSTANCE.boot();
invokeInterceptor = new MotanProviderInterceptor();
contextListener = new MockTracerContextListener();
url = URL.valueOf("motan://127.0.0.1:34000/org.skywalking.apm.test.TestService");
TracerContext.ListenerManager.add(contextListener);
when(instanceContext.get("REQUEST_URL")).thenReturn(url);
when(interceptorContext.allArguments()).thenReturn(new Object[] {request});
when(request.getMethodName()).thenReturn("test");
when(request.getInterfaceName()).thenReturn("org.skywalking.apm.test.TestService");
when(request.getParamtersDesc()).thenReturn("java.lang.String, java.lang.Object");
when(constructorInvokeContext.allArguments()).thenReturn(new Object[] {url});
}
@Test
public void testInvokerWithoutRefSegment() {
invokeInterceptor.beforeMethod(instanceContext, interceptorContext, null);
invokeInterceptor.afterMethod(instanceContext, interceptorContext, response);
contextListener.assertSize(1);
contextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
Span span = traceSegment.getSpans().get(0);
assertMotanProviderSpan(span);
assertTrue(traceSegment.getRefs() == null);
}
});
}
@Test
public void testInvokerWithRefSegment() {
HashMap attachments = new HashMap();
attachments.put("SWTraceContext", "302017.1487666919810.624424584.17332.1.1|1|REMOTE_APP|127.0.0.1|Trace.globalId.123|1");
when(request.getAttachments()).thenReturn(attachments);
invokeInterceptor.beforeMethod(instanceContext, interceptorContext, null);
invokeInterceptor.afterMethod(instanceContext, interceptorContext, response);
contextListener.assertSize(1);
contextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
Span span = traceSegment.getSpans().get(0);
assertMotanProviderSpan(span);
assertRefSegment(traceSegment.getRefs().get(0));
}
});
}
@Test
public void testResponseWithException() {
when(response.getException()).thenReturn(new RuntimeException());
invokeInterceptor.beforeMethod(instanceContext, interceptorContext, null);
invokeInterceptor.afterMethod(instanceContext, interceptorContext, response);
assertTraceSegmentWhenOccurException();
}
@Test
public void testOccurException() {
invokeInterceptor.beforeMethod(instanceContext, interceptorContext, null);
invokeInterceptor.handleMethodException(new RuntimeException(), instanceContext, interceptorContext);
invokeInterceptor.afterMethod(instanceContext, interceptorContext, response);
assertTraceSegmentWhenOccurException();
}
private void assertTraceSegmentWhenOccurException() {
contextListener.assertSize(1);
contextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
Span span = traceSegment.getSpans().get(0);
assertMotanProviderSpan(span);
assertThat(span.getLogs().size(), is(1));
LogData logData = span.getLogs().get(0);
assertLogData(logData);
}
});
}
private void assertLogData(LogData logData) {
assertThat(logData.getFields().size(), is(4));
MatcherAssert.assertThat(logData.getFields().get("event"), CoreMatchers.<Object>is("error"));
MatcherAssert.assertThat(logData.getFields().get("error.kind"), CoreMatchers.<Object>is(RuntimeException.class.getName()));
assertNull(logData.getFields().get("message"));
}
private void assertRefSegment(TraceSegmentRef primaryRef) {
assertThat(primaryRef.getTraceSegmentId(), is("302017.1487666919810.624424584.17332.1.1"));
assertThat(primaryRef.getSpanId(), is(1));
assertThat(primaryRef.getPeerHost(), is("127.0.0.1"));
}
private void assertMotanProviderSpan(Span span) {
assertThat(span.getOperationName(), is("org.skywalking.apm.test.TestService.test(java.lang.String, java.lang.Object)"));
assertThat(Tags.COMPONENT.get(span), is("Motan"));
assertThat(Tags.SPAN_KIND.get(span), is(Tags.SPAN_KIND_SERVER));
assertTrue(Tags.SPAN_LAYER.isRPCFramework(span));
}
@After
public void tearDown() {
TracerContext.ListenerManager.remove(contextListener);
}
}