/*
* Copyright 2002-2014 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.scheduling.annotation;
import java.lang.reflect.Method;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.springframework.aop.support.AopUtils;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;
import org.springframework.context.support.StaticApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.util.ReflectionUtils;
import static org.junit.Assert.*;
/**
* @author Mark Fisher
* @author Juergen Hoeller
* @author Stephane Nicoll
*/
public class AsyncAnnotationBeanPostProcessorTests {
@Test
public void proxyCreated() {
ConfigurableApplicationContext context = initContext(
new RootBeanDefinition(AsyncAnnotationBeanPostProcessor.class));
Object target = context.getBean("target");
assertTrue(AopUtils.isAopProxy(target));
context.close();
}
@Test
public void invokedAsynchronously() {
ConfigurableApplicationContext context = initContext(
new RootBeanDefinition(AsyncAnnotationBeanPostProcessor.class));
ITestBean testBean = context.getBean("target", ITestBean.class);
testBean.test();
Thread mainThread = Thread.currentThread();
testBean.await(3000);
Thread asyncThread = testBean.getThread();
assertNotSame(mainThread, asyncThread);
context.close();
}
@Test
public void threadNamePrefix() {
BeanDefinition processorDefinition = new RootBeanDefinition(AsyncAnnotationBeanPostProcessor.class);
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setThreadNamePrefix("testExecutor");
executor.afterPropertiesSet();
processorDefinition.getPropertyValues().add("executor", executor);
ConfigurableApplicationContext context = initContext(processorDefinition);
ITestBean testBean = context.getBean("target", ITestBean.class);
testBean.test();
testBean.await(3000);
Thread asyncThread = testBean.getThread();
assertTrue(asyncThread.getName().startsWith("testExecutor"));
context.close();
}
@Test
public void configuredThroughNamespace() {
GenericXmlApplicationContext context = new GenericXmlApplicationContext();
context.load(new ClassPathResource("taskNamespaceTests.xml", getClass()));
context.refresh();
ITestBean testBean = context.getBean("target", ITestBean.class);
testBean.test();
testBean.await(3000);
Thread asyncThread = testBean.getThread();
assertTrue(asyncThread.getName().startsWith("testExecutor"));
TestableAsyncUncaughtExceptionHandler exceptionHandler =
context.getBean("exceptionHandler", TestableAsyncUncaughtExceptionHandler.class);
assertFalse("handler should not have been called yet", exceptionHandler.isCalled());
testBean.failWithVoid();
exceptionHandler.await(3000);
Method m = ReflectionUtils.findMethod(TestBean.class, "failWithVoid");
exceptionHandler.assertCalledWith(m, UnsupportedOperationException.class);
context.close();
}
@Test
public void handleExceptionWithFuture() {
ConfigurableApplicationContext context = initContext(
new RootBeanDefinition(AsyncAnnotationBeanPostProcessor.class));
ITestBean testBean = context.getBean("target", ITestBean.class);
final Future<Object> result = testBean.failWithFuture();
try {
result.get();
}
catch (InterruptedException ex) {
fail("Should not have failed with InterruptedException: " + ex);
}
catch (ExecutionException ex) {
// expected
assertEquals("Wrong exception cause", UnsupportedOperationException.class, ex.getCause().getClass());
}
}
@Test
public void handleExceptionWithCustomExceptionHandler() {
Method m = ReflectionUtils.findMethod(TestBean.class, "failWithVoid");
TestableAsyncUncaughtExceptionHandler exceptionHandler =
new TestableAsyncUncaughtExceptionHandler();
BeanDefinition processorDefinition = new RootBeanDefinition(AsyncAnnotationBeanPostProcessor.class);
processorDefinition.getPropertyValues().add("exceptionHandler", exceptionHandler);
ConfigurableApplicationContext context = initContext(processorDefinition);
ITestBean testBean = context.getBean("target", ITestBean.class);
assertFalse("Handler should not have been called", exceptionHandler.isCalled());
testBean.failWithVoid();
exceptionHandler.await(3000);
exceptionHandler.assertCalledWith(m, UnsupportedOperationException.class);
}
@Test
public void exceptionHandlerThrowsUnexpectedException() {
Method m = ReflectionUtils.findMethod(TestBean.class, "failWithVoid");
TestableAsyncUncaughtExceptionHandler exceptionHandler =
new TestableAsyncUncaughtExceptionHandler(true);
BeanDefinition processorDefinition = new RootBeanDefinition(AsyncAnnotationBeanPostProcessor.class);
processorDefinition.getPropertyValues().add("exceptionHandler", exceptionHandler);
processorDefinition.getPropertyValues().add("executor", new DirectExecutor());
ConfigurableApplicationContext context = initContext(processorDefinition);
ITestBean testBean = context.getBean("target", ITestBean.class);
assertFalse("Handler should not have been called", exceptionHandler.isCalled());
try {
testBean.failWithVoid();
exceptionHandler.assertCalledWith(m, UnsupportedOperationException.class);
}
catch (Exception e) {
fail("No unexpected exception should have been received");
}
}
private ConfigurableApplicationContext initContext(BeanDefinition asyncAnnotationBeanPostProcessorDefinition) {
StaticApplicationContext context = new StaticApplicationContext();
BeanDefinition targetDefinition =
new RootBeanDefinition(AsyncAnnotationBeanPostProcessorTests.TestBean.class);
context.registerBeanDefinition("postProcessor", asyncAnnotationBeanPostProcessorDefinition);
context.registerBeanDefinition("target", targetDefinition);
context.refresh();
return context;
}
private static interface ITestBean {
Thread getThread();
void test();
Future<Object> failWithFuture();
void failWithVoid();
void await(long timeout);
}
public static class TestBean implements ITestBean {
private Thread thread;
private final CountDownLatch latch = new CountDownLatch(1);
@Override
public Thread getThread() {
return this.thread;
}
@Override
@Async
public void test() {
this.thread = Thread.currentThread();
this.latch.countDown();
}
@Async
public Future<Object> failWithFuture() {
throw new UnsupportedOperationException("failWithFuture");
}
@Async
public void failWithVoid() {
throw new UnsupportedOperationException("failWithVoid");
}
@Override
public void await(long timeout) {
try {
this.latch.await(timeout, TimeUnit.MILLISECONDS);
}
catch (Exception e) {
Thread.currentThread().interrupt();
}
}
}
private static class DirectExecutor implements Executor {
@Override
public void execute(Runnable r) {
r.run();
}
}
}