ImmutableNaturalIdTest.java

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.test.jpa.naturalid;

import javax.persistence.PersistenceException;

import org.junit.Test;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.criterion.Restrictions;
import org.hibernate.test.jpa.AbstractJPATest;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

/**
 * copied from {@link org.hibernate.test.naturalid.immutable.ImmutableNaturalIdTest}
 *
 * @author Steve Ebersole
 */
public class ImmutableNaturalIdTest extends AbstractJPATest {
	@Override
	public String[] getMappings() {
		return new String[] { "jpa/naturalid/User.hbm.xml" };
	}

	@Override
	public void configure(Configuration cfg) {
		super.configure( cfg );
		cfg.setProperty( Environment.USE_SECOND_LEVEL_CACHE, "true" );
		cfg.setProperty( Environment.USE_QUERY_CACHE, "true" );
		cfg.setProperty( Environment.GENERATE_STATISTICS, "true" );
	}

	@Test
	public void testUpdate() {
		// prepare some test data...
		Session session = openSession();
    	session.beginTransaction();
	  	User user = new User();
    	user.setUserName( "steve" );
    	user.setEmail( "steve@hibernate.org" );
    	user.setPassword( "brewhaha" );
		session.save( user );
    	session.getTransaction().commit();
    	session.close();

		// 'user' is now a detached entity, so lets change a property and reattch...
		user.setPassword( "homebrew" );
		session = openSession();
		session.beginTransaction();
		session.update( user );
		session.getTransaction().commit();
		session.close();

		// clean up
		session = openSession();
		session.beginTransaction();
		session.delete( user );
		session.getTransaction().commit();
		session.close();
	}

	@Test
	public void testNaturalIdCheck() throws Exception {
		Session s = openSession();
		Transaction t = s.beginTransaction();

		User u = new User( "steve", "superSecret" );
		s.persist( u );
		u.setUserName( "Steve" );
		try {
			s.flush();
			fail();
		}
		catch ( PersistenceException p ) {
			//expected
			t.rollback();
		}
		u.setUserName( "steve" );
		s.delete( u );
		s.close();
	}

	@Test
	public void testSimpleNaturalIdLoadAccessCache() {
		Session s = openSession();
		s.beginTransaction();
		User u = new User( "steve", "superSecret" );
		s.persist( u );
		s.getTransaction().commit();
		s.close();

		s = openSession();
		s.beginTransaction();
		u = (User) s.bySimpleNaturalId( User.class ).load( "steve" );
		assertNotNull( u );
		User u2 = (User) s.bySimpleNaturalId( User.class ).getReference( "steve" );
		assertTrue( u == u2 );
		s.getTransaction().commit();
		s.close();

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete User" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testNaturalIdLoadAccessCache() {
		Session s = openSession();
		s.beginTransaction();
		User u = new User( "steve", "superSecret" );
		s.persist( u );
		s.getTransaction().commit();
		s.close();

		sessionFactory().getStatistics().clear();

		s = openSession();
		s.beginTransaction();
		u = (User) s.byNaturalId( User.class ).using( "userName", "steve" ).load();
		assertNotNull( u );
		s.getTransaction().commit();
		s.close();

		assertEquals( 1, sessionFactory().getStatistics().getEntityLoadCount() );
		assertEquals( 0, sessionFactory().getStatistics().getSecondLevelCacheMissCount() );
		assertEquals( 0, sessionFactory().getStatistics().getSecondLevelCacheHitCount() );
		assertEquals( 0, sessionFactory().getStatistics().getSecondLevelCachePutCount() );
		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCachePutCount() );

		s = openSession();
		s.beginTransaction();
		User v = new User( "gavin", "supsup" );
		s.persist( v );
		s.getTransaction().commit();
		s.close();

		sessionFactory().getStatistics().clear();

		s = openSession();
		s.beginTransaction();
		u = (User) s.byNaturalId( User.class ).using( "userName", "steve" ).load();
		assertNotNull( u );
		assertEquals( 1, sessionFactory().getStatistics().getEntityLoadCount() );
		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );//0: incorrect stats since hbm.xml can't enable NaturalId caching
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );
		u = (User) s.byNaturalId( User.class ).using( "userName", "steve" ).load();
		assertNotNull( u );
		assertEquals( 1, sessionFactory().getStatistics().getEntityLoadCount() );
		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );//0: incorrect stats since hbm.xml can't enable NaturalId caching
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );
		s.getTransaction().commit();
		s.close();

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete User" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testNaturalIdCache() {
		Session s = openSession();
		s.beginTransaction();
		User u = new User( "steve", "superSecret" );
		s.persist( u );
		s.getTransaction().commit();
		s.close();

		sessionFactory().getStatistics().clear();

		s = openSession();
		s.beginTransaction();
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNotNull( u );
		s.getTransaction().commit();
		s.close();

		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCachePutCount() );//1: no stats since hbm.xml can't enable NaturalId caching

		s = openSession();
		s.beginTransaction();
		User v = new User( "gavin", "supsup" );
		s.persist( v );
		s.getTransaction().commit();
		s.close();

		sessionFactory().getStatistics().clear();

		s = openSession();
		s.beginTransaction();
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNotNull( u );
		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );//0: incorrect stats since hbm.xml can't enable NaturalId caching
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );//0: no stats since hbm.xml can't enable NaturalId caching
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNotNull( u );
		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );//0: incorrect stats since hbm.xml can't enable NaturalId caching
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );//0: no stats since hbm.xml can't enable NaturalId caching
		s.getTransaction().commit();
		s.close();

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete User" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testNaturalIdDeleteUsingCache() {
		Session s = openSession();
		s.beginTransaction();
		User u = new User( "steve", "superSecret" );
		s.persist( u );
		s.getTransaction().commit();
		s.close();

		sessionFactory().getStatistics().clear();

		s = openSession();
		s.beginTransaction();
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNotNull( u );
		s.getTransaction().commit();
		s.close();

		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCachePutCount() );//0: no stats since hbm.xml can't enable NaturalId caching

		sessionFactory().getStatistics().clear();

		s = openSession();
		s.beginTransaction();
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNotNull( u );
		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );//0: incorrect stats since hbm.xml can't enable NaturalId caching
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );//1: incorrect stats since hbm.xml can't enable NaturalId caching

		s.delete( u );

		s.getTransaction().commit();
		s.close();

		s = openSession();
		s.beginTransaction();
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNull( u );
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testNaturalIdRecreateUsingCache() {
		testNaturalIdDeleteUsingCache();

		Session s = openSession();
		s.beginTransaction();
		User u = new User( "steve", "superSecret" );
		s.persist( u );
		s.getTransaction().commit();
		s.close();

		sessionFactory().getStatistics().clear();

		s = openSession();
		s.beginTransaction();
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNotNull( u );

		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCachePutCount() );//1: no stats since hbm.xml can't enable NaturalId caching

		sessionFactory().getStatistics().clear();
		s.getTransaction().commit();
		s.close();
		s = openSession();
		s.beginTransaction();
		u = ( User ) s.createCriteria( User.class )
				.add( Restrictions.naturalId().set( "userName", "steve" ) )
				.setCacheable( true )
				.uniqueResult();
		assertNotNull( u );
		assertEquals( 1, sessionFactory().getStatistics().getNaturalIdQueryExecutionCount() );//0: incorrect stats since hbm.xml can't enable NaturalId caching
		assertEquals( 0, sessionFactory().getStatistics().getNaturalIdCacheHitCount() );//1: incorrect stats since hbm.xml can't enable NaturalId caching

		s.delete( u );

		s.getTransaction().commit();
		s.close();
	}

}