/*
* Copyright 2002-2013 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.orm.jpa.support;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import org.junit.Test;
import org.springframework.orm.jpa.EntityManagerHolder;
import org.springframework.orm.jpa.EntityManagerProxy;
import org.springframework.transaction.support.TransactionSynchronizationManager;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Rod Johnson
* @author Juergen Hoeller
* @author Phillip Webb
*/
public class SharedEntityManagerFactoryTests {
@Test
public void testValidUsage() {
Object o = new Object();
EntityManager mockEm = mock(EntityManager.class);
given(mockEm.isOpen()).willReturn(true);
EntityManagerFactory mockEmf = mock(EntityManagerFactory.class);
given(mockEmf.createEntityManager()).willReturn(mockEm);
SharedEntityManagerBean proxyFactoryBean = new SharedEntityManagerBean();
proxyFactoryBean.setEntityManagerFactory(mockEmf);
proxyFactoryBean.afterPropertiesSet();
assertTrue(EntityManager.class.isAssignableFrom(proxyFactoryBean.getObjectType()));
assertTrue(proxyFactoryBean.isSingleton());
EntityManager proxy = proxyFactoryBean.getObject();
assertSame(proxy, proxyFactoryBean.getObject());
assertFalse(proxy.contains(o));
assertTrue(proxy instanceof EntityManagerProxy);
EntityManagerProxy emProxy = (EntityManagerProxy) proxy;
try {
emProxy.getTargetEntityManager();
fail("Should have thrown IllegalStateException outside of transaction");
}
catch (IllegalStateException ex) {
// expected
}
TransactionSynchronizationManager.bindResource(mockEmf, new EntityManagerHolder(mockEm));
try {
assertSame(mockEm, emProxy.getTargetEntityManager());
}
finally {
TransactionSynchronizationManager.unbindResource(mockEmf);
}
assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
verify(mockEm).contains(o);
verify(mockEm).close();
}
}