/** | |
* 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.PersistService; | |
import com.google.inject.persist.Transactional; | |
import com.google.inject.persist.UnitOfWork; | |
import java.util.Date; | |
import javax.persistence.EntityManager; | |
import javax.persistence.EntityManagerFactory; | |
import javax.persistence.Query; | |
import junit.framework.TestCase; | |
/** | |
* @author Dhanji R. Prasanna (dhanji@gmail.com) | |
*/ | |
public class JpaWorkManagerTest extends TestCase { | |
private Injector injector; | |
private static final String UNIQUE_TEXT_3 = JpaWorkManagerTest.class.getSimpleName() | |
+ "CONSTRAINT_VIOLATING some other unique text" + new Date(); | |
@Override | |
public void setUp() { | |
injector = Guice.createInjector(new JpaPersistModule("testUnit")); | |
//startup persistence | |
injector.getInstance(PersistService.class).start(); | |
} | |
@Override | |
public void tearDown() { | |
injector.getInstance(EntityManagerFactory.class).close(); | |
} | |
public void testWorkManagerInSession() { | |
injector.getInstance(UnitOfWork.class).begin(); | |
try { | |
injector.getInstance(TransactionalObject.class).runOperationInTxn(); | |
} finally { | |
injector.getInstance(UnitOfWork.class).end(); | |
} | |
injector.getInstance(UnitOfWork.class).begin(); | |
injector.getInstance(EntityManager.class).getTransaction().begin(); | |
try { | |
final Query query = injector.getInstance(EntityManager.class) | |
.createQuery("select e from JpaTestEntity as e where text = :text"); | |
query.setParameter("text", UNIQUE_TEXT_3); | |
final Object o = query.getSingleResult(); | |
assertNotNull("no result!!", o); | |
assertTrue("Unknown type returned " + o.getClass(), o instanceof JpaTestEntity); | |
JpaTestEntity ent = (JpaTestEntity) o; | |
assertEquals("Incorrect result returned or not persisted properly" + ent.getText(), | |
UNIQUE_TEXT_3, ent.getText()); | |
} finally { | |
injector.getInstance(EntityManager.class).getTransaction().commit(); | |
injector.getInstance(UnitOfWork.class).end(); | |
} | |
} | |
public void testCloseMoreThanOnce() { | |
injector.getInstance(PersistService.class).stop(); | |
try { | |
injector.getInstance(PersistService.class).stop(); | |
fail(); | |
} catch (IllegalStateException e) { | |
// Ignored. | |
} | |
} | |
public static class TransactionalObject { | |
@Inject EntityManager em; | |
@Transactional | |
public void runOperationInTxn() { | |
JpaTestEntity testEntity = new JpaTestEntity(); | |
testEntity.setText(UNIQUE_TEXT_3); | |
em.persist(testEntity); | |
} | |
@Transactional | |
public void runOperationInTxnError() { | |
JpaTestEntity testEntity = new JpaTestEntity(); | |
testEntity.setText(UNIQUE_TEXT_3 + "transient never in db!" + hashCode()); | |
em.persist(testEntity); | |
} | |
} | |
} |