| /* |
| * 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; |
| import org.hibernate.HibernateException; |
| |
| /** @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() { |
| try { |
| injector.getInstance(EntityManagerFactory.class).close(); |
| } catch (HibernateException ex) { |
| // Expected if the persist service has already been stopped. |
| } |
| } |
| |
| 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); |
| } |
| } |
| } |