package org.skywalking.apm.plugin.jedis.v2;
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.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 static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.*;
import static org.mockito.Mockito.when;
import static org.skywalking.apm.plugin.jedis.v2.JedisMethodInterceptor.*;
@RunWith(MockitoJUnitRunner.class)
public class JedisMethodInterceptorTest {
private JedisMethodInterceptor interceptor;
private MockTracerContextListener mockTracerContextListener;
@Mock
private EnhancedClassInstanceContext classInstanceContext;
@Mock
private InstanceMethodInvokeContext methodInvokeContext;
@Before
public void setUp() throws Exception {
ServiceManager.INSTANCE.boot();
interceptor = new JedisMethodInterceptor();
mockTracerContextListener = new MockTracerContextListener();
TracerContext.ListenerManager.add(mockTracerContextListener);
when(classInstanceContext.get(KEY_OF_REDIS_HOST, String.class)).thenReturn("127.0.0.1");
when(classInstanceContext.get(KEY_OF_REDIS_PORT)).thenReturn(6379);
when(methodInvokeContext.methodName()).thenReturn("set");
when(methodInvokeContext.allArguments()).thenReturn(new Object[] {"OperationKey"});
when(classInstanceContext.isContain("__$invokeCounterKey")).thenReturn(true);
}
@Test
public void testIntercept() {
when(classInstanceContext.get("__$invokeCounterKey", Integer.class)).thenReturn(0);
interceptor.beforeMethod(classInstanceContext, methodInvokeContext, null);
when(classInstanceContext.get("__$invokeCounterKey", Integer.class)).thenReturn(1);
interceptor.afterMethod(classInstanceContext, methodInvokeContext, null);
mockTracerContextListener.assertSize(1);
mockTracerContextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
Span span = traceSegment.getSpans().get(0);
assertRedisSpan(span);
}
});
}
@Test
public void testInterceptWithMultiHost() {
when(classInstanceContext.get("__$invokeCounterKey", Integer.class)).thenReturn(0);
when(classInstanceContext.get(KEY_OF_REDIS_HOST, String.class)).thenReturn(null);
when(classInstanceContext.get(KEY_OF_REDIS_HOSTS)).thenReturn("127.0.0.1:6379;127.0.0.1:16379;");
interceptor.beforeMethod(classInstanceContext, methodInvokeContext, null);
when(classInstanceContext.get("__$invokeCounterKey", Integer.class)).thenReturn(1);
interceptor.afterMethod(classInstanceContext, methodInvokeContext, null);
mockTracerContextListener.assertSize(1);
mockTracerContextListener.assertTraceSegment(0, new SegmentAssert() {
@Override
public void call(TraceSegment traceSegment) {
assertThat(traceSegment.getSpans().size(), is(1));
Span span = traceSegment.getSpans().get(0);
assertRedisSpan(span, "127.0.0.1:6379;127.0.0.1:16379;");
}
});
}
@Test
public void testInterceptWithException() {
when(classInstanceContext.get("__$invokeCounterKey", Integer.class)).thenReturn(0);
interceptor.beforeMethod(classInstanceContext, methodInvokeContext, null);
interceptor.handleMethodException(new RuntimeException(), classInstanceContext, methodInvokeContext);
when(classInstanceContext.get("__$invokeCounterKey", Integer.class)).thenReturn(1);
interceptor.afterMethod(classInstanceContext, methodInvokeContext, null);
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);
assertRedisSpan(span);
assertThat(span.getLogs().size(), is(1));
assertLogData(span.getLogs().get(0));
}
});
}
private void assertLogData(LogData logData) {
MatcherAssert.assertThat(logData.getFields().size(), is(4));
MatcherAssert.assertThat(logData.getFields().get("event"), CoreMatchers.<Object>is("error"));
assertEquals(logData.getFields().get("error.kind"), RuntimeException.class.getName());
assertNull(logData.getFields().get("message"));
}
private void assertRedisSpan(Span span) {
assertThat(span.getOperationName(), is("Jedis/set"));
assertThat(Tags.PEER_HOST.get(span), is("127.0.0.1"));
assertThat(Tags.PEER_PORT.get(span), is(6379));
assertThat(Tags.COMPONENT.get(span), is("Redis"));
assertThat(Tags.DB_STATEMENT.get(span), is("set OperationKey"));
assertThat(Tags.DB_TYPE.get(span), is("Redis"));
assertTrue(Tags.SPAN_LAYER.isDB(span));
}
private void assertRedisSpan(Span span, String exceptedPeerHosts) {
assertThat(span.getOperationName(), is("Jedis/set"));
assertThat(Tags.PEERS.get(span), is(exceptedPeerHosts));
assertThat(Tags.COMPONENT.get(span), is("Redis"));
assertThat(Tags.DB_STATEMENT.get(span), is("set OperationKey"));
assertThat(Tags.DB_TYPE.get(span), is("Redis"));
assertTrue(Tags.SPAN_LAYER.isDB(span));
}
@After
public void tearDown() throws Exception {
TracerContext.ListenerManager.remove(mockTracerContextListener);
}
}