foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/relationshipmaintenance/UnitOfWorkRevertAndResumeTestDuplicates.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.relationshipmaintenance;

import java.util.Iterator;
import java.util.Vector;
import org.eclipse.persistence.sessions.UnitOfWork;
import org.eclipse.persistence.testing.framework.TestErrorException;
import org.eclipse.persistence.testing.models.relationshipmaintenance.Dept;
import org.eclipse.persistence.testing.models.relationshipmaintenance.Emp;

public class UnitOfWorkRevertAndResumeTestDuplicates extends org.eclipse.persistence.testing.framework.AutoVerifyTestCase {
    protected int initialSize = 0;

    public UnitOfWorkRevertAndResumeTestDuplicates() {
        super();
        this.setDescription("This test checks for duplicates in a collection when a unitofwork is reverted");
    }

    @Override
    public void setup() {
        getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
        beginTransaction();
    }

    @Override
    public void reset() {
        rollbackTransaction();
        getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
    }

    @Override
    public void test() {
        UnitOfWork uow = getSession().acquireUnitOfWork();
        Vector allDepts = uow.readAllObjects(Dept.class);
        Dept cloneDept = (Dept)allDepts.get(0);
        this.initialSize = cloneDept.getEmpCollection().size();

        Dept deptToEdit = (Dept)allDepts.get(0);
        Iterator empIter = deptToEdit.getEmpCollection().iterator();
        empIter.next();
        Emp empToEdit = (Emp)empIter.next();
        empToEdit.setEname("whatever");

        uow.revertAndResume();
        Vector allDeptsAgain = uow.readAllObjects(Dept.class);
        cloneDept = (Dept)allDepts.get(0);
        if (cloneDept.getEmpCollection().size() != this.initialSize) {
            throw new TestErrorException("Revert cause duplicates to be entered in relationship maintenanced collection");
        }
    }
}