/**
 * This file Copyright (c) 2012 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.module.workflow.jcr;

import info.magnolia.cms.beans.config.ContentRepository;
import info.magnolia.context.MgnlContext;
import info.magnolia.jcr.util.NodeUtil;
import info.magnolia.test.RepositoryTestCase;

import javax.jcr.Node;
import javax.jcr.Session;

import junit.framework.Assert;

import org.junit.Before;
import org.junit.Test;

/**
 * Test for removal of parent expression nodes.
 * 
 */
public class JCRExpressionStoreCleanupTest extends RepositoryTestCase {

    @Override
    @Before
    public void setUp() throws Exception {
        super.setUp();
        ContentRepository.loadWorkspace("magnolia", "Expressions");
        ContentRepository.getRepositoryProvider("Expressions").registerNodeTypes(JCRExpressionStoreCleanupTest.class.getResourceAsStream("/mgnl-nodetypes/owfe-nodetypes.xml"));

        final Session session = MgnlContext.getJCRSession("Expressions");
        NodeUtil.createPath(session.getRootNode(), "owfe/activation/expr1/sub1", "expression");
        NodeUtil.createPath(session.getRootNode(), "owfe/activation/expr2/sub1", "expression");
        NodeUtil.createPath(session.getRootNode(), "owfe/activation/expr2/sub2", "expression");
        session.save();
    }

    @Test()
    // SiblingLeft: direct parent should get removed
    public void deleteAndRemoveEmptyParentsSiblingLeft() throws Exception {
        final Session session = MgnlContext.getJCRSession("Expressions");
        final Node node = session.getNode("/owfe/activation/expr1/sub1");
        JCRExpressionStore.deleteAndRemoveEmptyParents(node, 1);
        Assert.assertFalse(session.nodeExists("/owfe/activation/expr1"));
    }

    @Test()
    // SubLeft: direct parent should still be there because only one of the sub expressions got deleted
    public void deleteAndRemoveEmptyParentsSubLeft() throws Exception {
        final Session session = MgnlContext.getJCRSession("Expressions");
        final Node node = session.getNode("/owfe/activation/expr2/sub1");
        JCRExpressionStore.deleteAndRemoveEmptyParents(node, 1);
        Assert.assertTrue(session.nodeExists("/owfe/activation/expr2"));
    }

    @Test()
    // Empty: parents except for level 1 should get removed
    public void deleteAndRemoveEmptyParentsEmpty() throws Exception {
        final Session session = MgnlContext.getJCRSession("Expressions");
        Node node = session.getNode("/owfe/activation/expr1/sub1");
        JCRExpressionStore.deleteAndRemoveEmptyParents(node, 1);
        node = session.getNode("/owfe/activation/expr2/sub1");
        JCRExpressionStore.deleteAndRemoveEmptyParents(node, 1);
        node = session.getNode("/owfe/activation/expr2/sub2");
        JCRExpressionStore.deleteAndRemoveEmptyParents(node, 1);
        Assert.assertFalse(session.nodeExists("/owfe/activation/expr1"));
        Assert.assertFalse(session.nodeExists("/owfe/activation/expr2"));
        Assert.assertFalse(session.nodeExists("/owfe/activation"));
    }
}