MediaFileComparatorTestCase.java

/*
 This file is part of Libresonic.

 Libresonic is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 Libresonic is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with Libresonic.  If not, see <http://www.gnu.org/licenses/>.

 Copyright 2016 (C) Libresonic Authors
 Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
 */
package org.libresonic.player.domain;

import junit.framework.TestCase;

/**
 * @author Sindre Mehus
 * @version $Id$
 */
public class MediaFileComparatorTestCase extends TestCase {

    private final MediaFileComparator comparator = new MediaFileComparator(true);

    public void testCompareAlbums() throws Exception {

        MediaFile albumA2012 = new MediaFile();
        albumA2012.setMediaType(MediaFile.MediaType.ALBUM);
        albumA2012.setPath("a");
        albumA2012.setYear(2012);

        MediaFile albumB2012 = new MediaFile();
        albumB2012.setMediaType(MediaFile.MediaType.ALBUM);
        albumB2012.setPath("b");
        albumB2012.setYear(2012);

        MediaFile album2013 = new MediaFile();
        album2013.setMediaType(MediaFile.MediaType.ALBUM);
        album2013.setPath("c");
        album2013.setYear(2013);

        MediaFile albumWithoutYear = new MediaFile();
        albumWithoutYear.setMediaType(MediaFile.MediaType.ALBUM);
        albumWithoutYear.setPath("c");

        assertEquals(0, comparator.compare(albumWithoutYear, albumWithoutYear));
        assertEquals(0, comparator.compare(albumA2012, albumA2012));

        assertEquals(-1, comparator.compare(albumA2012, albumWithoutYear));
        assertEquals(-1, comparator.compare(album2013, albumWithoutYear));
        assertEquals(1, comparator.compare(album2013, albumA2012));

        assertEquals(1, comparator.compare(albumWithoutYear, albumA2012));
        assertEquals(1, comparator.compare(albumWithoutYear, album2013));
        assertEquals(-1, comparator.compare(albumA2012, album2013));

        assertEquals(-1, comparator.compare(albumA2012, albumB2012));
        assertEquals(1, comparator.compare(albumB2012, albumA2012));
    }

    public void testCompareDiscNumbers() throws Exception {

        MediaFile discXtrack1 = new MediaFile();
        discXtrack1.setMediaType(MediaFile.MediaType.MUSIC);
        discXtrack1.setPath("a");
        discXtrack1.setTrackNumber(1);

        MediaFile discXtrack2 = new MediaFile();
        discXtrack2.setMediaType(MediaFile.MediaType.MUSIC);
        discXtrack2.setPath("a");
        discXtrack2.setTrackNumber(2);

        MediaFile disc5track1 = new MediaFile();
        disc5track1.setMediaType(MediaFile.MediaType.MUSIC);
        disc5track1.setPath("a");
        disc5track1.setDiscNumber(5);
        disc5track1.setTrackNumber(1);

        MediaFile disc5track2 = new MediaFile();
        disc5track2.setMediaType(MediaFile.MediaType.MUSIC);
        disc5track2.setPath("a");
        disc5track2.setDiscNumber(5);
        disc5track2.setTrackNumber(2);

        MediaFile disc6track1 = new MediaFile();
        disc6track1.setMediaType(MediaFile.MediaType.MUSIC);
        disc6track1.setPath("a");
        disc6track1.setDiscNumber(6);
        disc6track1.setTrackNumber(1);

        MediaFile disc6track2 = new MediaFile();
        disc6track2.setMediaType(MediaFile.MediaType.MUSIC);
        disc6track2.setPath("a");
        disc6track2.setDiscNumber(6);
        disc6track2.setTrackNumber(2);

        assertEquals(0, comparator.compare(discXtrack1, discXtrack1));
        assertEquals(0, comparator.compare(disc5track1, disc5track1));

        assertEquals(-1, comparator.compare(discXtrack1, discXtrack2));
        assertEquals(1, comparator.compare(discXtrack2, discXtrack1));

        assertEquals(-1, comparator.compare(disc5track1, disc5track2));
        assertEquals(1, comparator.compare(disc6track2, disc5track1));

        assertEquals(-1, comparator.compare(disc5track1, disc6track1));
        assertEquals(1, comparator.compare(disc6track1, disc5track1));

        assertEquals(-1, comparator.compare(disc5track2, disc6track1));
        assertEquals(1, comparator.compare(disc6track1, disc5track2));

        assertEquals(-1, comparator.compare(discXtrack1, disc5track1));
        assertEquals(1, comparator.compare(disc5track1, discXtrack1));

        assertEquals(-1, comparator.compare(discXtrack1, disc5track2));
        assertEquals(1, comparator.compare(disc5track2, discXtrack1));
    }
}