/*******************************************************************************
* * 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.client.crud;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.impetus.client.crud.entities.AddressRDBMSOTM;
import com.impetus.client.crud.entities.PersonLazyRDBMSOTM;
/**
* @author impadmin
*
*/
public class RDBMSOTMLazyTest
{
private EntityManagerFactory emf;
private EntityManager em;
private RDBMSCli cli;
private static final String SCHEMA = "testdb";
/**
* @throws java.lang.Exception
*/
@Before
public void setUp() throws Exception
{
emf = Persistence.createEntityManagerFactory("testHibernate");
em = getNewEM();
createSchema();
}
/**
* @throws java.lang.Exception
*/
@After
public void tearDown() throws Exception
{
em.close();
emf.close();
dropSchema();
}
@Test
public void testCRUD()
{
AddressRDBMSOTM address1 = new AddressRDBMSOTM();
address1.setAddressId("a");
address1.setStreet("sector 11");
AddressRDBMSOTM address2 = new AddressRDBMSOTM();
address2.setAddressId("b");
address2.setStreet("sector 12");
Set<AddressRDBMSOTM> addresses = new HashSet<AddressRDBMSOTM>();
addresses.add(address1);
addresses.add(address2);
PersonLazyRDBMSOTM person = new PersonLazyRDBMSOTM();
person.setPersonId("1");
person.setPersonName("Kuldeep");
person.setAddresses(addresses);
em.persist(person);
em = getNewEM();
PersonLazyRDBMSOTM foundPerson = em.find(PersonLazyRDBMSOTM.class, "1");
Assert.assertNotNull(foundPerson);
Assert.assertNotNull(foundPerson.getAddresses());
Assert.assertEquals("1", foundPerson.getPersonId());
Assert.assertEquals("Kuldeep", foundPerson.getPersonName());
int counter = 0;
for (AddressRDBMSOTM address : foundPerson.getAddresses())
{
if (address.getAddressId().equals("a"))
{
counter++;
Assert.assertEquals("sector 11", address.getStreet());
}
else
{
Assert.assertEquals("b", address.getAddressId());
Assert.assertEquals("sector 12", address.getStreet());
counter++;
}
}
Assert.assertEquals(2, counter);
List<PersonLazyRDBMSOTM> persons = em.createQuery("Select p from PersonLazyRDBMSOTM p").getResultList();
Assert.assertNotNull(persons);
Assert.assertFalse(persons.isEmpty());
foundPerson.setPersonName("KK");
em.merge(foundPerson);
em = getNewEM();
foundPerson = em.find(PersonLazyRDBMSOTM.class, "1");
Assert.assertNotNull(foundPerson);
Assert.assertNotNull(foundPerson.getAddresses());
Assert.assertEquals("1", foundPerson.getPersonId());
Assert.assertEquals("KK", foundPerson.getPersonName());
counter = 0;
for (AddressRDBMSOTM address : foundPerson.getAddresses())
{
if (address.getAddressId().equals("a"))
{
counter++;
Assert.assertEquals("sector 11", address.getStreet());
}
else
{
Assert.assertEquals("b", address.getAddressId());
Assert.assertEquals("sector 12", address.getStreet());
counter++;
}
}
Assert.assertEquals(2, counter);
em.remove(foundPerson);
foundPerson = em.find(PersonLazyRDBMSOTM.class, "1");
Assert.assertNull(foundPerson);
}
private EntityManager getNewEM()
{
if (em != null && em.isOpen())
{
em.close();
}
return em = emf.createEntityManager();
}
private void createSchema() throws SQLException
{
try
{
cli = new RDBMSCli(SCHEMA);
cli.createSchema(SCHEMA);
cli.update("CREATE TABLE TESTDB.PERSONNEL (PERSON_ID VARCHAR(9) PRIMARY KEY, PERSON_NAME VARCHAR(256))");
cli.update("CREATE TABLE TESTDB.ADDRESS (ADDRESS_ID VARCHAR(9) PRIMARY KEY, STREET VARCHAR(256), PERSON_ID VARCHAR(9))");
}
catch (Exception e)
{
cli.update("DELETE FROM TESTDB.PERSONNEL");
cli.update("DELETE FROM TESTDB.ADDRESS");
cli.update("DROP TABLE TESTDB.PERSONNEL");
cli.update("DROP TABLE TESTDB.ADDRESS");
cli.update("DROP SCHEMA TESTDB");
cli.update("CREATE TABLE TESTDB.PERSONNEL (PERSON_ID VARCHAR(9) PRIMARY KEY, PERSON_NAME VARCHAR(256))");
cli.update("CREATE TABLE TESTDB.ADDRESS (ADDRESS_ID VARCHAR(9) PRIMARY KEY, STREET VARCHAR(256), PERSON_ID VARCHAR(9))");
// nothing
// do
}
}
private void dropSchema()
{
try
{
cli.update("DELETE FROM TESTDB.PERSONNEL");
cli.update("DELETE FROM TESTDB.ADDRESS");
cli.update("DROP TABLE TESTDB.PERSONNEL");
cli.update("DROP TABLE TESTDB.ADDRESS");
cli.update("DROP SCHEMA TESTDB");
cli.closeConnection();
}
catch (Exception e)
{
// Nothing to do
}
}
}