/*******************************************************************************
* * Copyright 2013 Impetus Infotech.
* *
* * 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.impetus.kundera.proxy.cglib;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import junit.framework.Assert;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import com.impetus.kundera.CoreTestUtilities;
import com.impetus.kundera.entity.PersonnelDTO;
import com.impetus.kundera.persistence.EntityManagerFactoryImpl;
import com.impetus.kundera.persistence.EntityManagerFactoryImpl.KunderaMetadata;
import com.impetus.kundera.persistence.PersistenceDelegator;
import com.impetus.kundera.proxy.KunderaProxy;
import com.impetus.kundera.proxy.LazyInitializationException;
import com.impetus.kundera.proxy.LazyInitializer;
import com.impetus.kundera.proxy.LazyInitializerFactory;
/**
* @author amresh.singh
*/
public class CglibLazyInitializerTest
{
private static EntityManagerFactory emf;
private static EntityManager em;
private static KunderaMetadata kunderaMetadata;
@BeforeClass
public static void setUpBeforeClass() throws Exception
{
emf = Persistence.createEntityManagerFactory("kunderatest");
kunderaMetadata = ((EntityManagerFactoryImpl) emf).getKunderaMetadataInstance();
em = emf.createEntityManager();
}
@AfterClass
public static void tearDownAfterClass() throws Exception
{
em.close();
emf.close();
}
/**
* @throws java.lang.Exception
*/
@After
public void tearDown() throws Exception
{
}
/**
* Test method for
* {@link com.impetus.kundera.proxy.cglib.CglibLazyInitializerFactory#getProxy(java.lang.String, java.lang.Class, java.lang.reflect.Method, java.lang.reflect.Method, java.lang.Object, com.impetus.kundera.persistence.PersistenceDelegator)}
* .
*/
@Test
public void testWithNullPD()
{
LazyInitializerFactory factory = kunderaMetadata.getCoreMetadata().getLazyInitializerFactory();
KunderaProxy proxy = factory.getProxy("personnel", PersonnelDTO.class, null, null, "1", null);
LazyInitializer li = proxy.getKunderaLazyInitializer();
Assert.assertEquals(CglibLazyInitializer.class, li.getClass());
try
{
li.initialize();
}catch(LazyInitializationException liex)
{
// Assert.assertEquals("could not initialize proxy " + PersonnelDTO.class.getName() + "_"
// + "1" + " - no EntityManager", liex.getMessage());
}
}
@Test
public void testWithPDInstance() throws NoSuchMethodException, Throwable
{
PersistenceDelegator delegator = CoreTestUtilities.getDelegator(em);
PersonnelDTO dto = new PersonnelDTO("1", "vivek", "mishra");
em.persist(dto);
LazyInitializerFactory factory = kunderaMetadata.getCoreMetadata().getLazyInitializerFactory();
KunderaProxy proxy = factory.getProxy("personnel#1", PersonnelDTO.class, null, null, "1", delegator);
LazyInitializer li = proxy.getKunderaLazyInitializer();
((CglibLazyInitializer)li).setPersistenceDelegator(delegator);
li.setImplementation(proxy);
li.initialize();
Assert.assertNotNull(((CglibLazyInitializer)li).getTarget());
Assert.assertNotNull(((CglibLazyInitializer)li).getEntityName());
Assert.assertEquals("personnel#1",((CglibLazyInitializer)li).getEntityName());
Assert.assertNotNull(li.getPersistenceDelegator());
Assert.assertSame(delegator,li.getPersistenceDelegator());
Assert.assertFalse(li.isUninitialized());
Assert.assertSame(PersonnelDTO.class,li.getPersistentClass());
Assert.assertEquals("1",li.getIdentifier());
li.setIdentifier("12");
Assert.assertEquals("12", li.getIdentifier());
Assert.assertNotNull(li.getImplementation());
// Object firstName = ((CglibLazyInitializer)li).invoke(proxy, dto.getClass().getDeclaredMethod("getFirstName", null),new String[]{});
// Assert.assertEquals("vivek", firstName);
((CglibLazyInitializer)li).unsetPersistenceDelegator();
((CglibLazyInitializer)li).setUnwrap(true);
Assert.assertTrue(((CglibLazyInitializer)li).isUnwrap());
}
@Test
public void testWithClosedPDInstance() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException
{
PersistenceDelegator delegator = CoreTestUtilities.getDelegator(em);
PersonnelDTO dto = new PersonnelDTO("1", "vivek", "mishra");
em.persist(dto);
em.close();
LazyInitializerFactory factory = kunderaMetadata.getCoreMetadata().getLazyInitializerFactory();
KunderaProxy proxy = factory.getProxy("personnel", PersonnelDTO.class, null, null, "1", delegator);
LazyInitializer li = proxy.getKunderaLazyInitializer();
try
{
li.initialize();
Assert.fail("Should have gone to catch block!");
} catch(LazyInitializationException liex)
{
Assert.assertEquals("could not initialize proxy " + PersonnelDTO.class.getName() + "_"
+ "1" + " - the owning Session was closed",liex.getMessage());
}
em = emf.createEntityManager();
}
}