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

/*
 * Copyright (c) 1998, 2021 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 v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// 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.");
    }

    @Override
    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);
        }
    }
}