/*
* 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;
import javax.persistence.EntityExistsException;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityNotFoundException;
import javax.persistence.NoResultException;
import javax.persistence.NonUniqueResultException;
import javax.persistence.OptimisticLockException;
import javax.persistence.PersistenceException;
import javax.persistence.TransactionRequiredException;
import org.junit.Test;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.transaction.support.TransactionSynchronizationManager;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* @author Costin Leau
* @author Rod Johnson
* @author Juergen Hoeller
* @author Phillip Webb
*/
public class EntityManagerFactoryUtilsTests {
/*
* Test method for
* 'org.springframework.orm.jpa.EntityManagerFactoryUtils.doGetEntityManager(EntityManagerFactory)'
*/
@Test
public void testDoGetEntityManager() {
// test null assertion
try {
EntityManagerFactoryUtils.doGetTransactionalEntityManager(null, null);
fail("expected exception");
}
catch (IllegalArgumentException ex) {
// it's okay
}
EntityManagerFactory factory = mock(EntityManagerFactory.class);
// no tx active
assertNull(EntityManagerFactoryUtils.doGetTransactionalEntityManager(factory, null));
assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
}
@Test
public void testDoGetEntityManagerWithTx() throws Exception {
try {
EntityManagerFactory factory = mock(EntityManagerFactory.class);
EntityManager manager = mock(EntityManager.class);
TransactionSynchronizationManager.initSynchronization();
given(factory.createEntityManager()).willReturn(manager);
// no tx active
assertSame(manager, EntityManagerFactoryUtils.doGetTransactionalEntityManager(factory, null));
assertSame(manager, ((EntityManagerHolder)TransactionSynchronizationManager.unbindResource(factory)).getEntityManager());
}
finally {
TransactionSynchronizationManager.clearSynchronization();
}
assertTrue(TransactionSynchronizationManager.getResourceMap().isEmpty());
}
@Test
public void testTranslatesIllegalStateException() {
IllegalStateException ise = new IllegalStateException();
DataAccessException dex = EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(ise);
assertSame(ise, dex.getCause());
assertTrue(dex instanceof InvalidDataAccessApiUsageException);
}
@Test
public void testTranslatesIllegalArgumentException() {
IllegalArgumentException iae = new IllegalArgumentException();
DataAccessException dex = EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(iae);
assertSame(iae, dex.getCause());
assertTrue(dex instanceof InvalidDataAccessApiUsageException);
}
/**
* We do not convert unknown exceptions. They may result from user code.
*/
@Test
public void testDoesNotTranslateUnfamiliarException() {
UnsupportedOperationException userRuntimeException = new UnsupportedOperationException();
assertNull(
"Exception should not be wrapped",
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(userRuntimeException));
}
/*
* Test method for
* 'org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessException(PersistenceException)'
*/
@Test
@SuppressWarnings("serial")
public void testConvertJpaPersistenceException() {
EntityNotFoundException entityNotFound = new EntityNotFoundException();
assertSame(JpaObjectRetrievalFailureException.class,
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(entityNotFound).getClass());
NoResultException noResult = new NoResultException();
assertSame(EmptyResultDataAccessException.class,
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(noResult).getClass());
NonUniqueResultException nonUniqueResult = new NonUniqueResultException();
assertSame(IncorrectResultSizeDataAccessException.class,
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(nonUniqueResult).getClass());
OptimisticLockException optimisticLock = new OptimisticLockException();
assertSame(JpaOptimisticLockingFailureException.class,
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(optimisticLock).getClass());
EntityExistsException entityExists = new EntityExistsException("foo");
assertSame(DataIntegrityViolationException.class,
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(entityExists).getClass());
TransactionRequiredException transactionRequired = new TransactionRequiredException("foo");
assertSame(InvalidDataAccessApiUsageException.class,
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(transactionRequired).getClass());
PersistenceException unknown = new PersistenceException() {
};
assertSame(JpaSystemException.class,
EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(unknown).getClass());
}
}