//$Id: JoinTest.java 10976 2006-12-12 23:22:26Z steve.ebersole@jboss.com $
package org.hibernate.test.join;
import java.util.Iterator;
import java.util.List;
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;
/**
* @author Gavin King
*/
public class JoinTest extends FunctionalTestCase {
public JoinTest(String str) {
super(str);
}
public String[] getMappings() {
return new String[] { "join/Person.hbm.xml" };
}
public static Test suite() {
return new FunctionalTestClassTestSuite( JoinTest.class );
}
public void testSequentialSelects() {
Session s = openSession();
Transaction t = s.beginTransaction();
Employee mark = new Employee();
mark.setName("Mark");
mark.setTitle("internal sales");
mark.setSex('M');
mark.setAddress("buckhead");
mark.setZip("30305");
mark.setCountry("USA");
Customer joe = new Customer();
joe.setName("Joe");
joe.setAddress("San Francisco");
joe.setZip("XXXXX");
joe.setCountry("USA");
joe.setComments("Very demanding");
joe.setSex('M');
joe.setSalesperson(mark);
Person yomomma = new Person();
yomomma.setName("mum");
yomomma.setSex('F');
s.save(yomomma);
s.save(mark);
s.save(joe);
assertEquals( s.createQuery("from java.io.Serializable").list().size(), 0 );
assertEquals( s.createQuery("from Person").list().size(), 3 );
assertEquals( s.createQuery("from Person p where p.class is null").list().size(), 1 );
assertEquals( s.createQuery("from Person p where p.class = Customer").list().size(), 1 );
assertTrue(s.createQuery("from Customer c").list().size()==1);
s.clear();
List customers = s.createQuery("from Customer c left join fetch c.salesperson").list();
for ( Iterator iter = customers.iterator(); iter.hasNext(); ) {
Customer c = (Customer) iter.next();
assertTrue( Hibernate.isInitialized( c.getSalesperson() ) );
assertEquals( c.getSalesperson().getName(), "Mark" );
}
assertEquals( customers.size(), 1 );
s.clear();
customers = s.createQuery("from Customer").list();
for ( Iterator iter = customers.iterator(); iter.hasNext(); ) {
Customer c = (Customer) iter.next();
assertFalse( Hibernate.isInitialized( c.getSalesperson() ) );
assertEquals( c.getSalesperson().getName(), "Mark" );
}
assertEquals( customers.size(), 1 );
s.clear();
mark = (Employee) s.get( Employee.class, new Long( mark.getId() ) );
joe = (Customer) s.get( Customer.class, new Long( joe.getId() ) );
mark.setZip("30306");
assertEquals( s.createQuery("from Person p where p.zip = '30306'").list().size(), 1 );
s.delete(mark);
s.delete(joe);
s.delete(yomomma);
assertTrue( s.createQuery("from Person").list().isEmpty() );
t.commit();
s.close();
}
public void testSequentialSelectsOptionalData() throws Exception {
Session s = openSession();
Transaction t = s.beginTransaction();
User jesus = new User();
jesus.setName("Jesus Olvera y Martinez");
jesus.setSex('M');
s.save(jesus);
assertEquals( s.createQuery("from java.io.Serializable").list().size(), 0 );
assertEquals( s.createQuery("from Person").list().size(), 1 );
assertEquals( s.createQuery("from Person p where p.class is null").list().size(), 0 );
assertEquals( s.createQuery("from Person p where p.class = User").list().size(), 1 );
assertTrue(s.createQuery("from User u").list().size()==1);
s.clear();
// Remove the optional row from the join table and requery the User obj
s.connection().prepareStatement("delete from t_user").execute();
s.clear();
jesus = (User) s.get( Person.class, new Long( jesus.getId() ) );
s.clear();
// Cleanup the test data
s.delete(jesus);
assertTrue( s.createQuery("from Person").list().isEmpty() );
t.commit();
s.close();
}
}
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