    001/**
    002 * Copyright (c) 2004-2011 QOS.ch
    003 * All rights reserved.
    004 *
    005 * Permission is hereby granted, free  of charge, to any person obtaining
    006 * a  copy  of this  software  and  associated  documentation files  (the
    007 * "Software"), to  deal in  the Software without  restriction, including
    008 * without limitation  the rights to  use, copy, modify,  merge, publish,
    009 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    010 * permit persons to whom the Software  is furnished to do so, subject to
    011 * the following conditions:
    012 *
    013 * The  above  copyright  notice  and  this permission  notice  shall  be
    014 * included in all copies or substantial portions of the Software.
    015 *
    016 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    017 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    018 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    021 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    023 *
    024 */
    025package org.slf4j;
    026
    027import java.io.PrintStream;
    028import java.util.List;
    029import java.util.Random;
    030
    031import junit.framework.TestCase;
    032
    033public class IncompatibleMultiBindingAssertionTest extends TestCase {
    034
    035    StringPrintStream sps = new StringPrintStream(System.err);
    036    PrintStream old = System.err;
    037    int diff = 1024 + new Random().nextInt(10000);
    038
    039    public IncompatibleMultiBindingAssertionTest(String name) {
    040        super(name);
    041    }
    042
    043    protected void setUp() throws Exception {
    044        super.setUp();
    045        System.setErr(sps);
    046    }
    047
    048    protected void tearDown() throws Exception {
    049        super.tearDown();
    050        System.setErr(old);
    051    }
    052
    053    public void test() throws Exception {
    054        try {
    055            Logger logger = LoggerFactory.getLogger(this.getClass());
    056            String msg = "hello world " + diff;
    057            logger.info(msg);
    058            fail("was expecting NoSuchMethodError");
    059        } catch (NoSuchMethodError e) {
    060        }
    061        List<String> list = sps.stringList;
    062        assertMsgContains(list, 0, "Class path contains multiple SLF4J bindings.");
    063        assertMsgContains(list, 1, "Found binding in");
    064        assertMsgContains(list, 2, "Found binding in");
    065        assertMsgContains(list, 3, "See http://www.slf4j.org/codes.html");
    066        assertMsgContains(list, 4, "slf4j-api 1.6.x (or later) is incompatible with this binding");
    067        assertMsgContains(list, 5, "Your binding is version 1.5.5 or earlier.");
    068
    069    }
    070
    071    void assertMsgContains(List<String> strList, int index, String msg) {
    072        assertTrue(((String) strList.get(index)).contains(msg));
    073    }
    074}