/**
 * This file Copyright (c) 2011 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.forum.externalindexing.util;

import info.magnolia.cms.core.Content;
import info.magnolia.cms.core.ItemType;
import info.magnolia.nodebuilder.NodeBuilder;
import info.magnolia.test.mock.MockContent;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import org.junit.Before;
import org.junit.Test;

import javax.jcr.RepositoryException;

import static info.magnolia.nodebuilder.Ops.addNode;
import static org.junit.Assert.*;

/**
 *
 * @author gjoseph
 * @version $Revision: $ ($Author: $)
 */
public class ContentUtilTest {

    private MockContent root;

    @Before
    public void setUp() {
        root = new MockContent("root", ItemType.CONTENT);
        new NodeBuilder(root,
                addNode("a", ItemType.CONTENT).then(
                        addNode("aa", ItemType.CONTENT),
                        addNode("ab", ItemType.CONTENTNODE).then(
                                addNode("abb", ItemType.CONTENTNODE)
                        )
                ),
                addNode("b", ItemType.CONTENT),
                addNode("c", ItemType.CONTENTNODE)
        ).exec();
    }

    @Test
    public void getAncestorOfTypeBasicCase() throws RepositoryException {
        final Content content = root.getContent("a/ab/abb");
        assertEquals(root.getContent("a"), ContentUtil.getAncestorOfType(content, ItemType.CONTENT.getSystemName()));
    }

    @Test
    public void getAncestorOfTypeReturnsSelfIfMatch() throws RepositoryException {
        final Content abb = root.getContent("a/ab/abb");
        final Content ab = root.getContent("a/ab");
        final Content aa = root.getContent("a/aa");
        final Content c = root.getContent("c");
        assertEquals(abb, ContentUtil.getAncestorOfType(abb, ItemType.CONTENTNODE.getSystemName()));
        assertEquals(ab, ContentUtil.getAncestorOfType(ab, ItemType.CONTENTNODE.getSystemName()));
        assertEquals(aa, ContentUtil.getAncestorOfType(aa, ItemType.CONTENT.getSystemName()));
        assertEquals(c, ContentUtil.getAncestorOfType(c, ItemType.CONTENTNODE.getSystemName()));
    }

    @Test
    public void getAncestorOfTypeThrowsExceptionIfNotFound() throws RepositoryException {
        final Content content = root.getContent("a/aa");
        try {
            ContentUtil.getAncestorOfType(content, ItemType.CONTENTNODE.getSystemName());
            fail("should have failed");
        } catch (Throwable t) {
            assertThat(t, isExceptionWithMessage(IllegalStateException.class, "No ancestor of type mgnl:contentNode found for null:/root/a/aa[mgnl:content]"));
        }
    }

    // TODO copied from info.magnolia.test.MgnlMatchers
    public static Matcher<Throwable> isExceptionWithMessage(final Class<? extends Throwable> t, final String expectedMessage) {
        return new TypeSafeMatcher<Throwable>() {
            @Override
            protected boolean matchesSafely(Throwable item) {
                return item.getClass().isAssignableFrom(t) && expectedMessage.equals(item.getMessage());
            }

            @Override
            public void describeTo(Description description) {
                description.appendText("a " + t.getSimpleName() + " with message [" + expectedMessage + "]");
            }
        };
    }
}