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HHH-2921 : added test cases that execute polymorphic queries when there is a superclass proxy for the resulting entity in the session cache 

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@14160 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Gail Badner 2007-10-31 00:14:49 +00:00
parent 34c7ec1cd3
commit 27223c6b04
1 changed files with 80 additions and 2 deletions
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82
testsuite/src/test/java/org/hibernate/test/discriminator/DiscriminatorTest.java
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@ -1,4 +1,4 @@
//$Id: DiscriminatorTest.java 10977 2006-12-12 23:28:04Z steve.ebersole@jboss.com $ //$Id: DiscriminatorTest.java 10976 2006-12-12 23:22:26Z steve.ebersole@jboss.com $
package org.hibernate.test.discriminator; package org.hibernate.test.discriminator;
import java.math.BigDecimal; import java.math.BigDecimal;
@ -10,7 +10,9 @@ import junit.framework.Test;
import org.hibernate.Hibernate; import org.hibernate.Hibernate;
import org.hibernate.Session; import org.hibernate.Session;
import org.hibernate.Transaction; import org.hibernate.Transaction;
import org.hibernate.proxy.HibernateProxy;
import org.hibernate.criterion.Property; import org.hibernate.criterion.Property;
import org.hibernate.criterion.Restrictions;
import org.hibernate.junit.functional.FunctionalTestCase; import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite; import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
@ -171,6 +173,82 @@ public class DiscriminatorTest extends FunctionalTestCase {
s.close(); s.close();
} }
public void testLoadSuperclassProxyPolymorphicAccess() {
Session s = openSession();
s.beginTransaction();
Employee e = new Employee();
e.setName( "Steve" );
e.setSex( 'M' );
e.setTitle( "grand poobah" );
s.save( e );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
// load the superclass proxy.
Person pLoad = ( Person ) s.load( Person.class, new Long( e.getId() ) );
assertTrue( pLoad instanceof HibernateProxy);
Person pGet = ( Person ) s.get( Person.class, new Long( e.getId() ));
Person pQuery = ( Person ) s.createQuery( "from Person where id = :id" )
.setLong( "id", e.getId() )
.uniqueResult();
Person pCriteria = ( Person ) s.createCriteria( Person.class )
.add( Restrictions.idEq( new Long( e.getId() ) ) )
.uniqueResult();
// assert that executing the queries polymorphically returns the same proxy
assertSame( pLoad, pGet );
assertSame( pLoad, pQuery );
assertSame( pLoad, pCriteria );
// assert that the proxy is not an instance of Employee
assertFalse( pLoad instanceof Employee );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.delete( e );
s.getTransaction().commit();
s.close();
}
public void testLoadSuperclassProxyEvictPolymorphicAccess() {
Session s = openSession();
s.beginTransaction();
Employee e = new Employee();
e.setName( "Steve" );
e.setSex( 'M' );
e.setTitle( "grand poobah" );
s.save( e );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
// load the superclass proxy.
Person pLoad = ( Person ) s.load( Person.class, new Long( e.getId() ) );
assertTrue( pLoad instanceof HibernateProxy);
// evict the proxy
s.evict( pLoad );
Employee pGet = ( Employee ) s.get( Person.class, new Long( e.getId() ));
Employee pQuery = ( Employee ) s.createQuery( "from Person where id = :id" )
.setLong( "id", e.getId() )
.uniqueResult();
Employee pCriteria = ( Employee ) s.createCriteria( Person.class )
.add( Restrictions.idEq( new Long( e.getId() ) ) )
.uniqueResult();
// assert that executing the queries polymorphically returns the same Employee instance
assertSame( pGet, pQuery );
assertSame( pGet, pCriteria );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
s.delete( e );
s.getTransaction().commit();
s.close();
}
} }