/** | |
* Copyright (C) 2010 Google, Inc. | |
* | |
* 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 com.google.inject.persist.jpa; | |
import com.google.inject.Guice; | |
import com.google.inject.Inject; | |
import com.google.inject.Injector; | |
import com.google.inject.persist.PersistModule; | |
import com.google.inject.persist.PersistenceService; | |
import com.google.inject.persist.Transactional; | |
import com.google.inject.persist.UnitOfWork; | |
import java.io.FileNotFoundException; | |
import java.io.IOException; | |
import java.util.Date; | |
import java.util.List; | |
import javax.persistence.EntityManager; | |
import junit.framework.TestCase; | |
/** | |
* This test asserts class level @Transactional annotation behavior. | |
* | |
* Class-level @Transactional is a shortcut if all non-private methods in the class are meant to be | |
* transactional. | |
* | |
* @author Dhanji R. Prasanna (dhanji@gmail.com) | |
*/ | |
public class ClassLevelManagedLocalTransactionsTest extends TestCase { | |
private Injector injector; | |
private static final String UNIQUE_TEXT = "JPAsome unique text88888" + new Date(); | |
private static final String UNIQUE_TEXT_2 = "JPAsome asda unique teasdalsdplasdxt" + new Date(); | |
private static final String TRANSIENT_UNIQUE_TEXT = "JPAsome other unique texaksoksojadasdt" | |
+ new Date(); | |
public void setUp() { | |
injector = Guice.createInjector(new PersistModule() { | |
@Override | |
protected void configurePersistence() { | |
//tell Warp the name of the jpa persistence unit | |
workAcross(UnitOfWork.TRANSACTION).usingJpa("testUnit"); | |
} | |
}); | |
//startup persistence | |
injector.getInstance(PersistenceService.class).start(); | |
} | |
public void tearDown() { | |
injector.getInstance(PersistenceService.class).shutdown(); | |
injector = null; | |
} | |
public void testSimpleTransaction() { | |
injector.getInstance(TransactionalObject.class).runOperationInTxn(); | |
EntityManager session = injector.getInstance(EntityManager.class); | |
assert !session.getTransaction().isActive() : | |
"EntityManager was not closed by transactional service"; | |
//test that the data has been stored | |
session.getTransaction().begin(); | |
Object result = session.createQuery("from JpaTestEntity where text = :text") | |
.setParameter("text", UNIQUE_TEXT).getSingleResult(); | |
session.getTransaction().commit(); | |
assertTrue("odd result returned fatal", result instanceof JpaTestEntity); | |
assertEquals("queried entity did not match--did automatic txn fail?", | |
UNIQUE_TEXT, (((JpaTestEntity) result).getText())); | |
} | |
public void disabled_testSimpleTransactionRollbackOnChecked() { | |
try { | |
injector.getInstance(TransactionalObject2.class).runOperationInTxnThrowingChecked(); | |
} catch (IOException e) { | |
//ignore | |
} | |
EntityManager session = injector.getInstance(EntityManager.class); | |
assertFalse("EntityManager was not closed by transactional service (rollback didnt happen?)", | |
session.getTransaction().isActive()); | |
//test that the data has been stored | |
session.getTransaction().begin(); | |
List<?> result = session.createQuery("from JpaTestEntity where text = :text") | |
.setParameter("text", TRANSIENT_UNIQUE_TEXT).getResultList(); | |
session.getTransaction().commit(); | |
assertTrue("a result was returned! rollback sure didnt happen!!!", result.isEmpty()); | |
} | |
public void testSimpleTransactionRollbackOnCheckedExcepting() { | |
Exception ex = null; | |
try { | |
injector.getInstance(TransactionalObject3.class).runOperationInTxnThrowingCheckedExcepting(); | |
fail("Exception was not thrown by test txn-al method!"); | |
} catch (IOException e) { | |
//ignored | |
} | |
EntityManager session = injector.getInstance(EntityManager.class); | |
assertFalse("Txn was not closed by transactional service (commit didnt happen?)", | |
session.getTransaction().isActive()); | |
//test that the data has been stored | |
session.getTransaction().begin(); | |
Object result = session.createQuery("from JpaTestEntity where text = :text") | |
.setParameter("text", UNIQUE_TEXT_2).getSingleResult(); | |
session.getTransaction().commit(); | |
assertNotNull("a result was not returned! rollback happened anyway (exceptOn failed)!!!", | |
result); | |
} | |
public void disabled_testSimpleTransactionRollbackOnUnchecked() { | |
try { | |
injector.getInstance(TransactionalObject4.class).runOperationInTxnThrowingUnchecked(); | |
} catch (RuntimeException re) { | |
//ignore | |
} | |
EntityManager session = injector.getInstance(EntityManager.class); | |
assert !session.getTransaction().isActive() : | |
"EntityManager was not closed by transactional service (rollback didnt happen?)"; | |
//test that the data has been stored | |
session.getTransaction().begin(); | |
List<?> result = session.createQuery("from JpaTestEntity where text = :text") | |
.setParameter("text", TRANSIENT_UNIQUE_TEXT).getResultList(); | |
session.getTransaction().commit(); | |
assert result.isEmpty() : "a result was returned! rollback sure didnt happen!!!"; | |
} | |
@Transactional | |
public static class TransactionalObject { | |
@Inject EntityManager session; | |
public void runOperationInTxn() { | |
JpaTestEntity entity = new JpaTestEntity(); | |
entity.setText(UNIQUE_TEXT); | |
session.persist(entity); | |
} | |
} | |
@Transactional | |
public static class TransactionalObject4 { | |
@Inject EntityManager session; | |
@Transactional | |
public void runOperationInTxnThrowingUnchecked() { | |
JpaTestEntity entity = new JpaTestEntity(); | |
entity.setText(TRANSIENT_UNIQUE_TEXT); | |
session.persist(entity); | |
throw new IllegalStateException(); | |
} | |
} | |
@Transactional(rollbackOn = IOException.class, exceptOn = FileNotFoundException.class) | |
public static class TransactionalObject3 { | |
@Inject EntityManager session; | |
public void runOperationInTxnThrowingCheckedExcepting() throws IOException { | |
JpaTestEntity entity = new JpaTestEntity(); | |
entity.setText(UNIQUE_TEXT_2); | |
session.persist(entity); | |
throw new FileNotFoundException(); | |
} | |
} | |
@Transactional(rollbackOn = IOException.class) | |
public static class TransactionalObject2 { | |
@Inject EntityManager session; | |
public void runOperationInTxnThrowingChecked() throws IOException { | |
JpaTestEntity entity = new JpaTestEntity(); | |
entity.setText(TRANSIENT_UNIQUE_TEXT); | |
session.persist(entity); | |
throw new IOException(); | |
} | |
} | |
} |