//$Id: OneToManyTest.java 10976 2006-12-12 23:22:26Z steve.ebersole@jboss.com $
package org.hibernate.test.onetomany;
import junit.framework.Test;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
/**
* @author Gavin King
*/
public class OneToManyTest extends FunctionalTestCase {
public OneToManyTest(String str) {
super(str);
}
public String[] getMappings() {
return new String[] { "onetomany/Parent.hbm.xml" };
}
public static Test suite() {
return new FunctionalTestClassTestSuite( OneToManyTest.class );
}
public void testOneToManyLinkTable() {
Session s = openSession();
Transaction t = s.beginTransaction();
Child c = new Child();
c.setName("Child One");
Parent p = new Parent();
p.setName("Parent");
p.getChildren().add(c);
c.setParent(p);
s.save(p);
s.flush();
p.getChildren().remove(c);
c.setParent(null);
s.flush();
p.getChildren().add(c);
c.setParent(p);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c.setParent(null);
s.update(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c.setParent(p);
s.update(c);
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
c = (Child) s.createQuery("from Child").uniqueResult();
s.createQuery("from Child c left join fetch c.parent").list();
s.createQuery("from Child c inner join fetch c.parent").list();
s.clear();
p = (Parent) s.createQuery("from Parent p left join fetch p.children").uniqueResult();
t.commit();
s.close();
s = openSession();
t = s.beginTransaction();
s.createQuery("delete from Child").executeUpdate();
s.createQuery("delete from Parent").executeUpdate();
t.commit();
s.close();
}
public void testManyToManySize() {
Session s = openSession();
Transaction t = s.beginTransaction();
//this test raise an exception right now HHH-570
assertEquals( 0, s.createQuery("from Parent p where size(p.children) = 0").list().size() );
assertEquals( 0, s.createQuery("from Parent p where p.children.size = 0").list().size() );
t.commit();
s.close();
}
}
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