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PersistenceExceptionTranslationPostProcessorTests.java
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PersistenceExceptionTranslationPostProcessorTests.java
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/*
* Copyright 2002-2019 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
*
* https://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.dao.annotation;
import javax.persistence.PersistenceException;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.junit.Test;
import org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator;
import org.springframework.aop.framework.Advised;
import org.springframework.aop.support.AopUtils;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.DataAccessResourceFailureException;
import org.springframework.dao.annotation.PersistenceExceptionTranslationAdvisorTests.RepositoryInterface;
import org.springframework.dao.annotation.PersistenceExceptionTranslationAdvisorTests.RepositoryInterfaceImpl;
import org.springframework.dao.annotation.PersistenceExceptionTranslationAdvisorTests.StereotypedRepositoryInterfaceImpl;
import org.springframework.dao.support.PersistenceExceptionTranslator;
import org.springframework.stereotype.Repository;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
/**
* @author Rod Johnson
* @author Juergen Hoeller
*/
public class PersistenceExceptionTranslationPostProcessorTests {
@Test
@SuppressWarnings("resource")
public void proxiesCorrectly() {
GenericApplicationContext gac = new GenericApplicationContext();
gac.registerBeanDefinition("translator",
new RootBeanDefinition(PersistenceExceptionTranslationPostProcessor.class));
gac.registerBeanDefinition("notProxied", new RootBeanDefinition(RepositoryInterfaceImpl.class));
gac.registerBeanDefinition("proxied", new RootBeanDefinition(StereotypedRepositoryInterfaceImpl.class));
gac.registerBeanDefinition("classProxied", new RootBeanDefinition(RepositoryWithoutInterface.class));
gac.registerBeanDefinition("classProxiedAndAdvised",
new RootBeanDefinition(RepositoryWithoutInterfaceAndOtherwiseAdvised.class));
gac.registerBeanDefinition("myTranslator",
new RootBeanDefinition(MyPersistenceExceptionTranslator.class));
gac.registerBeanDefinition("proxyCreator",
BeanDefinitionBuilder.rootBeanDefinition(AnnotationAwareAspectJAutoProxyCreator.class).
addPropertyValue("order", 50).getBeanDefinition());
gac.registerBeanDefinition("logger", new RootBeanDefinition(LogAllAspect.class));
gac.refresh();
RepositoryInterface shouldNotBeProxied = (RepositoryInterface) gac.getBean("notProxied");
assertThat(AopUtils.isAopProxy(shouldNotBeProxied)).isFalse();
RepositoryInterface shouldBeProxied = (RepositoryInterface) gac.getBean("proxied");
assertThat(AopUtils.isAopProxy(shouldBeProxied)).isTrue();
RepositoryWithoutInterface rwi = (RepositoryWithoutInterface) gac.getBean("classProxied");
assertThat(AopUtils.isAopProxy(rwi)).isTrue();
checkWillTranslateExceptions(rwi);
Additional rwi2 = (Additional) gac.getBean("classProxiedAndAdvised");
assertThat(AopUtils.isAopProxy(rwi2)).isTrue();
rwi2.additionalMethod(false);
checkWillTranslateExceptions(rwi2);
assertThatExceptionOfType(DataAccessResourceFailureException.class).isThrownBy(() ->
rwi2.additionalMethod(true))
.withMessage("my failure");
}
protected void checkWillTranslateExceptions(Object o) {
assertThat(o).isInstanceOf(Advised.class);
assertThat(((Advised) o).getAdvisors()).anyMatch(
PersistenceExceptionTranslationAdvisor.class::isInstance);
}
@Repository
public static class RepositoryWithoutInterface {
public void nameDoesntMatter() {
}
}
public interface Additional {
void additionalMethod(boolean fail);
}
public static class RepositoryWithoutInterfaceAndOtherwiseAdvised extends StereotypedRepositoryInterfaceImpl
implements Additional {
@Override
public void additionalMethod(boolean fail) {
if (fail) {
throw new PersistenceException("my failure");
}
}
}
public static class MyPersistenceExceptionTranslator implements PersistenceExceptionTranslator {
@Override
public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
if (ex instanceof PersistenceException) {
return new DataAccessResourceFailureException(ex.getMessage());
}
return null;
}
}
@Aspect
public static class LogAllAspect {
@Before("execution(void *.additionalMethod(*))")
public void log(JoinPoint jp) {
System.out.println("Before " + jp.getSignature().getName());
}
}
}