/*
* Copyright 2002-2006 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.context.event;
import junit.framework.TestCase;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.ITestBean;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.TestListener;
import org.springframework.context.support.StaticApplicationContext;
import org.springframework.test.AssertThrows;
/**
* @author Dmitriy Kopylenko
* @author Juergen Hoeller
* @author Rick Evans
*/
public class EventPublicationInterceptorTests extends TestCase {
public void testWithNoApplicationEventClassSupplied() throws Exception {
new AssertThrows(IllegalArgumentException.class) {
public void test() throws Exception {
EventPublicationInterceptor interceptor = new EventPublicationInterceptor();
ApplicationContext ctx = new StaticApplicationContext();
interceptor.setApplicationEventPublisher(ctx);
interceptor.afterPropertiesSet();
}
}.runTest();
}
public void testWithNonApplicationEventClassSupplied() throws Exception {
new AssertThrows(IllegalArgumentException.class) {
public void test() throws Exception {
EventPublicationInterceptor interceptor = new EventPublicationInterceptor();
ApplicationContext ctx = new StaticApplicationContext();
interceptor.setApplicationEventPublisher(ctx);
interceptor.setApplicationEventClass(getClass());
interceptor.afterPropertiesSet();
}
}.runTest();
}
public void testWithAbstractStraightApplicationEventClassSupplied() throws Exception {
new AssertThrows(IllegalArgumentException.class) {
public void test() throws Exception {
EventPublicationInterceptor interceptor = new EventPublicationInterceptor();
ApplicationContext ctx = new StaticApplicationContext();
interceptor.setApplicationEventPublisher(ctx);
interceptor.setApplicationEventClass(ApplicationEvent.class);
interceptor.afterPropertiesSet();
}
}.runTest();
}
public void testWithApplicationEventClassThatDoesntExposeAValidCtor() throws Exception {
new AssertThrows(IllegalArgumentException.class) {
public void test() throws Exception {
EventPublicationInterceptor interceptor = new EventPublicationInterceptor();
ApplicationContext ctx = new StaticApplicationContext();
interceptor.setApplicationEventPublisher(ctx);
interceptor.setApplicationEventClass(TestEventWithNoValidOneArgObjectCtor.class);
interceptor.afterPropertiesSet();
}
}.runTest();
}
public void testExpectedBehavior() throws Exception {
TestBean target = new TestBean();
final TestListener listener = new TestListener();
class TestContext extends StaticApplicationContext {
protected void onRefresh() throws BeansException {
addListener(listener);
}
}
StaticApplicationContext ctx = new TestContext();
MutablePropertyValues pvs = new MutablePropertyValues();
pvs.addPropertyValue("applicationEventClass", TestEvent.class.getName());
// should automatically receive applicationEventPublisher reference
ctx.registerSingleton("publisher", EventPublicationInterceptor.class, pvs);
ctx.registerSingleton("otherListener", FactoryBeanTestListener.class);
ctx.refresh();
EventPublicationInterceptor interceptor =
(EventPublicationInterceptor) ctx.getBean("publisher");
ProxyFactory factory = new ProxyFactory(target);
factory.addAdvice(0, interceptor);
ITestBean testBean = (ITestBean) factory.getProxy();
// invoke any method on the advised proxy to see if the interceptor has been invoked
testBean.getAge();
// two events: ContextRefreshedEvent and TestEvent
assertTrue("Interceptor must have published 2 events", listener.getEventCount() == 2);
TestListener otherListener = (TestListener) ctx.getBean("&otherListener");
assertTrue("Interceptor must have published 2 events", otherListener.getEventCount() == 2);
}
public static class TestEvent extends ApplicationEvent {
public TestEvent(Object source) {
super(source);
}
}
public static final class TestEventWithNoValidOneArgObjectCtor extends ApplicationEvent {
public TestEventWithNoValidOneArgObjectCtor() {
super("");
}
}
public static class FactoryBeanTestListener extends TestListener implements FactoryBean {
public Object getObject() throws Exception {
return "test";
}
public Class getObjectType() {
return String.class;
}
public boolean isSingleton() {
return true;
}
}
}