foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/unitofwork/PrepareUnitOfWorkTest.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.sessions.SessionEvent;
import org.eclipse.persistence.sessions.SessionEventAdapter;
import org.eclipse.persistence.sessions.UnitOfWork;
import org.eclipse.persistence.testing.framework.TestErrorException;
import org.eclipse.persistence.testing.framework.TestWarningException;
import org.eclipse.persistence.testing.models.employee.domain.Employee;


public class PrepareUnitOfWorkTest extends UnitOfWorkEventTest {

    @Override
    public void setup() {
        super.setup();
        setDescription("Test the prepareUnitOfWork Event");
        SessionEventAdapter tvAdapter = new SessionEventAdapter() {
                // Listen for PrepareUnitOfWorkEvents

                @Override
                public void prepareUnitOfWork(SessionEvent event) {
                    setEventTriggered(true);
                }
            };
        getSession().getEventManager().addListener(tvAdapter);
    }

    @Override
    public void test() {
        UnitOfWork tvUnitOfWork = getSession().acquireUnitOfWork();
        Employee employee = (Employee)tvUnitOfWork.readObject(Employee.class);

        // Bug 2834266 ensure UnitOfWork is not empty so transaction actually runs.
        employee.setFirstName(employee.getFirstName() + "modified");
        tvUnitOfWork.commit();
    }

    @Override
    public void verify() {
        if (getSession().isRemoteSession()) {
            throw new TestWarningException("This feature is not supported at remoteSession");
        }
        if (!isEventTriggered()) {
            throw new TestErrorException("The prepareUnitOfWork event was not triggered.");
        }
    }
}