/*
* Copyright 2016 NAVER Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.profiler.instrument;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentContext;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentException;
import com.navercorp.pinpoint.profiler.instrument.mock.ArgsArrayInterceptor;
import com.navercorp.pinpoint.profiler.interceptor.registry.DefaultInterceptorRegistryBinder;
import com.navercorp.pinpoint.profiler.interceptor.registry.InterceptorRegistryBinder;
import com.navercorp.pinpoint.profiler.metadata.ApiMetaDataService;
import com.navercorp.pinpoint.profiler.objectfactory.ObjectBinderFactory;
import org.junit.Before;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.MethodNode;
import java.lang.reflect.Method;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* @author jaehong.kim
*/
public class ASMMethodNodeTest {
private final static InterceptorRegistryBinder interceptorRegistryBinder = new DefaultInterceptorRegistryBinder();
private final InstrumentContext pluginContext = mock(InstrumentContext.class);
private final ApiMetaDataService apiMetaDataService = mock(ApiMetaDataService.class);
@Before
public void setUp() {
when(pluginContext.injectClass(any(ClassLoader.class), any(String.class))).thenAnswer(new Answer<Class<?>>() {
@Override
public Class<?> answer(InvocationOnMock invocation) throws Throwable {
ClassLoader loader = (ClassLoader) invocation.getArguments()[0];
String name = (String) invocation.getArguments()[1];
return loader.loadClass(name);
}
});
}
@Test
public void getter() throws Exception {
final String targetClassName = "com.navercorp.pinpoint.profiler.instrument.mock.NormalClass";
final String methodName = "sum";
ASMClass declaringClass = mock(ASMClass.class);
when(declaringClass.getName()).thenReturn(targetClassName);
final ObjectBinderFactory objectBinderFactory = mock(ObjectBinderFactory.class);
final MethodNode methodNode = ASMClassNodeLoader.get(targetClassName, methodName);
ASMMethod method = new ASMMethod(objectBinderFactory, pluginContext, apiMetaDataService, interceptorRegistryBinder, declaringClass, methodNode);
assertEquals(methodName, method.getName());
assertEquals(1, method.getParameterTypes().length);
assertEquals("int", method.getParameterTypes()[0]);
assertEquals("int", method.getReturnType());
assertEquals(1, method.getModifiers());
assertEquals(false, method.isConstructor());
assertNotNull(method.getDescriptor());
}
@Test
public void addInterceptor() throws Exception {
final int interceptorId = interceptorRegistryBinder.getInterceptorRegistryAdaptor().addInterceptor(new ArgsArrayInterceptor());
final String targetClassName = "com.navercorp.pinpoint.profiler.instrument.mock.NormalClass";
final ASMClass declaringClass = mock(ASMClass.class);
when(declaringClass.getName()).thenReturn(targetClassName);
final ObjectBinderFactory objectBinderFactory = mock(ObjectBinderFactory.class);
ASMClassNodeLoader.TestClassLoader classLoader = ASMClassNodeLoader.getClassLoader();
classLoader.setTrace(false);
classLoader.setVerify(false);
classLoader.setTargetClassName(targetClassName);
classLoader.setCallbackHandler(new ASMClassNodeLoader.CallbackHandler() {
@Override
public void handle(ClassNode classNode) {
List<MethodNode> methodNodes = classNode.methods;
for(MethodNode methodNode : methodNodes) {
ASMMethod method = new ASMMethod(objectBinderFactory, pluginContext, apiMetaDataService, interceptorRegistryBinder, declaringClass, methodNode);
try {
method.addInterceptor(interceptorId);
} catch (InstrumentException e) {
e.printStackTrace();
}
}
}
});
Class<?> clazz = classLoader.loadClass(targetClassName);
Method method = clazz.getDeclaredMethod("sum", int.class);
assertEquals(55, method.invoke(clazz.newInstance(), 10));
}
}