auctiontest.java

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//$Id: AuctionTest.java 10977 2006-12-12 23:28:04Z [e-mail] $
package org.hibernate.test.bidi;

import java.math.BigDecimal;
import java.util.Date;

import junit.framework.Test;

import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
import org.hibernate.dialect.PostgreSQLDialect;

/**
 * @author Gavin King
 */
public class AuctionTest extends FunctionalTestCase {

	public AuctionTest(String str) {
		super( str );
	}

	public String[] getMappings() {
		return new String[] { "bidi/Auction.hbm.xml" };
	}

	public static Test suite() {
		return new FunctionalTestClassTestSuite( AuctionTest.class );
	}

	public void testLazy() {
		if ( getDialect() instanceof PostgreSQLDialect ) {
			return; //doesn't like boolean=1
		}

		Session s = openSession();
		Transaction t = s.beginTransaction();
		Auction a = new Auction();
		a.setDescription( "an auction for something" );
		a.setEnd( new Date() );
		Bid b = new Bid();
		b.setAmount( new BigDecimal( 123.34 ).setScale( 19, BigDecimal.ROUND_DOWN ) );
		b.setSuccessful( true );
		b.setDatetime( new Date() );
		b.setItem( a );
		a.getBids().add( b );
		a.setSuccessfulBid( b );
		s.persist( b );
		t.commit();
		s.close();

		Long aid = a.getId();
		Long bid = b.getId();

		s = openSession();
		t = s.beginTransaction();
		b = ( Bid ) s.load( Bid.class, bid );
		assertFalse( Hibernate.isInitialized( b ) );
		a = ( Auction ) s.get( Auction.class, aid );
		assertFalse( Hibernate.isInitialized( a.getBids() ) );
		assertTrue( Hibernate.isInitialized( a.getSuccessfulBid() ) );
		assertSame( a.getBids().iterator().next(), b );
		assertSame( b, a.getSuccessfulBid() );
		assertTrue( Hibernate.isInitialized( b ) );
		assertTrue( b.isSuccessful() );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		b = ( Bid ) s.load( Bid.class, bid );
		assertFalse( Hibernate.isInitialized( b ) );
		a = ( Auction ) s.createQuery( "from Auction a left join fetch a.bids" ).uniqueResult();
		assertTrue( Hibernate.isInitialized( b ) );
		assertTrue( Hibernate.isInitialized( a.getBids() ) );
		assertSame( b, a.getSuccessfulBid() );
		assertSame( a.getBids().iterator().next(), b );
		assertTrue( b.isSuccessful() );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		b = ( Bid ) s.load( Bid.class, bid );
		a = ( Auction ) s.load( Auction.class, aid );
		assertFalse( Hibernate.isInitialized( b ) );
		assertFalse( Hibernate.isInitialized( a ) );
		s.createQuery( "from Auction a left join fetch a.successfulBid" ).list();
		assertTrue( Hibernate.isInitialized( b ) );
		assertTrue( Hibernate.isInitialized( a ) );
		assertSame( b, a.getSuccessfulBid() );
		assertFalse( Hibernate.isInitialized( a.getBids() ) );
		assertSame( a.getBids().iterator().next(), b );
		assertTrue( b.isSuccessful() );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		b = ( Bid ) s.load( Bid.class, bid );
		a = ( Auction ) s.load( Auction.class, aid );
		assertFalse( Hibernate.isInitialized( b ) );
		assertFalse( Hibernate.isInitialized( a ) );
		assertSame( s.get( Bid.class, bid ), b );
		assertTrue( Hibernate.isInitialized( b ) );
		assertSame( s.get( Auction.class, aid ), a );
		assertTrue( Hibernate.isInitialized( a ) );
		assertSame( b, a.getSuccessfulBid() );
		assertFalse( Hibernate.isInitialized( a.getBids() ) );
		assertSame( a.getBids().iterator().next(), b );
		assertTrue( b.isSuccessful() );
		t.commit();
		s.close();
	}

}