foundation/eclipselink.core.test/src/org/eclipse/persistence/testing/tests/unitofwork/UnitOfWorkNullPrimaryKeyTest.java

/*******************************************************************************
 * Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the 
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
 ******************************************************************************/  
package org.eclipse.persistence.testing.tests.unitofwork;

import org.eclipse.persistence.exceptions.ValidationException;
import org.eclipse.persistence.sessions.Session;
import org.eclipse.persistence.sessions.UnitOfWork;
import org.eclipse.persistence.testing.framework.AutoVerifyTestCase;
import org.eclipse.persistence.testing.framework.TestErrorException;
import org.eclipse.persistence.testing.models.employee.domain.Employee;


/**
 * This test verifies that setting a primary key field to null in a
 * unit of work clone will yeild a validation exception on commit.
 */
public class UnitOfWorkNullPrimaryKeyTest extends AutoVerifyTestCase {

    public UnitOfWorkNullPrimaryKeyTest() {
        setDescription("Tests to ensure the correct exception is thrown when a PK is set to null on a UOW clone.");
    }

    public void test() {
        Session session = getSession();
        UnitOfWork uow = session.acquireUnitOfWork();

        Employee emp = (Employee)uow.readObject(Employee.class);
        emp.setId(null);
        Exception exception = null;
        try {
            uow.commit();
        } catch (Exception expectedException) {
            exception = expectedException;
        }
        if ((exception == null) || (!(exception instanceof ValidationException))) {
            throw new TestErrorException("The expected Validation exception was not thrown", exception);
        }
    }
}