/*
* Copyright 2002-2015 the original author or authors.
*
* 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 org.springframework.aop.aspectj.annotation;
import java.io.Serializable;
import java.util.Arrays;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.junit.Test;
import test.aop.PerThisAspect;
import org.springframework.util.SerializationTestUtils;
import static org.junit.Assert.*;
/**
* @author Rob Harrop
* @author Juergen Hoeller
* @author Chris Beams
*/
public class AspectProxyFactoryTests {
@Test(expected = IllegalArgumentException.class)
public void testWithNonAspect() {
AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
proxyFactory.addAspect(TestBean.class);
}
@Test
public void testWithSimpleAspect() throws Exception {
TestBean bean = new TestBean();
bean.setAge(2);
AspectJProxyFactory proxyFactory = new AspectJProxyFactory(bean);
proxyFactory.addAspect(MultiplyReturnValue.class);
ITestBean proxy = proxyFactory.getProxy();
assertEquals("Multiplication did not occur", bean.getAge() * 2, proxy.getAge());
}
@Test
public void testWithPerThisAspect() throws Exception {
TestBean bean1 = new TestBean();
TestBean bean2 = new TestBean();
AspectJProxyFactory pf1 = new AspectJProxyFactory(bean1);
pf1.addAspect(PerThisAspect.class);
AspectJProxyFactory pf2 = new AspectJProxyFactory(bean2);
pf2.addAspect(PerThisAspect.class);
ITestBean proxy1 = pf1.getProxy();
ITestBean proxy2 = pf2.getProxy();
assertEquals(0, proxy1.getAge());
assertEquals(1, proxy1.getAge());
assertEquals(0, proxy2.getAge());
assertEquals(2, proxy1.getAge());
}
@Test(expected = IllegalArgumentException.class)
public void testWithInstanceWithNonAspect() throws Exception {
AspectJProxyFactory pf = new AspectJProxyFactory();
pf.addAspect(new TestBean());
}
@Test
@SuppressWarnings("unchecked")
public void testSerializable() throws Exception {
AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
proxyFactory.addAspect(LoggingAspectOnVarargs.class);
ITestBean proxy = proxyFactory.getProxy();
assertTrue(proxy.doWithVarargs(MyEnum.A, MyOtherEnum.C));
ITestBean tb = (ITestBean) SerializationTestUtils.serializeAndDeserialize(proxy);
assertTrue(tb.doWithVarargs(MyEnum.A, MyOtherEnum.C));
}
@Test
@SuppressWarnings("unchecked")
public void testWithInstance() throws Exception {
MultiplyReturnValue aspect = new MultiplyReturnValue();
int multiple = 3;
aspect.setMultiple(multiple);
TestBean target = new TestBean();
target.setAge(24);
AspectJProxyFactory proxyFactory = new AspectJProxyFactory(target);
proxyFactory.addAspect(aspect);
ITestBean proxy = proxyFactory.getProxy();
assertEquals(target.getAge() * multiple, proxy.getAge());
ITestBean serializedProxy = (ITestBean) SerializationTestUtils.serializeAndDeserialize(proxy);
assertEquals(target.getAge() * multiple, serializedProxy.getAge());
}
@Test(expected = IllegalArgumentException.class)
public void testWithNonSingletonAspectInstance() throws Exception {
AspectJProxyFactory pf = new AspectJProxyFactory();
pf.addAspect(new PerThisAspect());
}
@Test // SPR-13328
@SuppressWarnings("unchecked")
public void testProxiedVarargsWithEnumArray() throws Exception {
AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
proxyFactory.addAspect(LoggingAspectOnVarargs.class);
ITestBean proxy = proxyFactory.getProxy();
assertTrue(proxy.doWithVarargs(MyEnum.A, MyOtherEnum.C));
}
@Test // SPR-13328
@SuppressWarnings("unchecked")
public void testUnproxiedVarargsWithEnumArray() throws Exception {
AspectJProxyFactory proxyFactory = new AspectJProxyFactory(new TestBean());
proxyFactory.addAspect(LoggingAspectOnSetter.class);
ITestBean proxy = proxyFactory.getProxy();
assertTrue(proxy.doWithVarargs(MyEnum.A, MyOtherEnum.C));
}
public interface ITestBean {
int getAge();
@SuppressWarnings("unchecked")
<V extends MyInterface> boolean doWithVarargs(V... args);
}
@SuppressWarnings("serial")
public static class TestBean implements ITestBean, Serializable {
private int age;
@Override
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@SuppressWarnings("unchecked")
@Override
public <V extends MyInterface> boolean doWithVarargs(V... args) {
return true;
}
}
public interface MyInterface {
}
public enum MyEnum implements MyInterface {
A, B;
}
public enum MyOtherEnum implements MyInterface {
C, D;
}
@Aspect
@SuppressWarnings("serial")
public static class LoggingAspectOnVarargs implements Serializable {
@Around("execution(* doWithVarargs(*))")
public Object doLog(ProceedingJoinPoint pjp) throws Throwable {
LogFactory.getLog(LoggingAspectOnVarargs.class).debug(Arrays.asList(pjp.getArgs()));
return pjp.proceed();
}
}
@Aspect
public static class LoggingAspectOnSetter {
@Around("execution(* setAge(*))")
public Object doLog(ProceedingJoinPoint pjp) throws Throwable {
LogFactory.getLog(LoggingAspectOnSetter.class).debug(Arrays.asList(pjp.getArgs()));
return pjp.proceed();
}
}
}
@Aspect
@SuppressWarnings("serial")
class MultiplyReturnValue implements Serializable {
private int multiple = 2;
public int invocations;
public void setMultiple(int multiple) {
this.multiple = multiple;
}
public int getMultiple() {
return this.multiple;
}
@Around("execution(int *.getAge())")
public Object doubleReturnValue(ProceedingJoinPoint pjp) throws Throwable {
++this.invocations;
int result = (Integer) pjp.proceed();
return result * this.multiple;
}
}