001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.core.helpers;
015
016import ch.qos.logback.core.Context;
017import ch.qos.logback.core.ContextBase;
018import ch.qos.logback.core.rolling.helper.FileFilterUtil;
019import ch.qos.logback.core.rolling.helper.FileNamePattern;
020import org.junit.Test;
021
022import static org.junit.Assert.assertEquals;
023
024import java.io.File;
025import java.text.ParseException;
026import java.text.SimpleDateFormat;
027
028
029public class FileFilterUtilTest {
030
031    Context context = new ContextBase();
032
033    // see also http://jira.qos.ch/browse/LBCORE-164
034    @Test
035    public void findHighestCounterTest() throws ParseException {
036        String[] sa = new String[] { "c:/log/debug-old-2010-08-10.0.log", "c:/log/debug-old-2010-08-10.1.log", "c:/log/debug-old-2010-08-10.10.log",
037                "c:/log/debug-old-2010-08-10.11.log", "c:/log/debug-old-2010-08-10.12.log", "c:/log/debug-old-2010-08-10.2.log",
038                "c:/log/debug-old-2010-08-10.3.log", "c:/log/debug-old-2010-08-10.4.log", "c:/log/debug-old-2010-08-10.5.log",
039                "c:/log/debug-old-2010-08-10.6.log", "c:/log/debug-old-2010-08-10.7.log", "c:/log/debug-old-2010-08-10.8.log",
040                "c:/log/debug-old-2010-08-10.9.log" };
041
042        File[] matchingFileArray = new File[sa.length];
043        for (int i = 0; i < sa.length; i++) {
044            matchingFileArray[i] = new File(sa[i]);
045        }
046        FileNamePattern fnp = new FileNamePattern("c:/log/debug-old-%d{yyyy-MM-dd}.%i.log", context);
047        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
048        String rexexp = null;
049        rexexp = fnp.toRegexForFixedDate(sdf.parse("2010-08-10"));
050        String stemRegex = FileFilterUtil.afterLastSlash(rexexp);
051        int result = FileFilterUtil.findHighestCounter(matchingFileArray, stemRegex);
052        assertEquals(12, result);
053    }
054}