1 /**
2  * Copyright (c) 2004-2011 QOS.ch
3  * All rights reserved.
4  *
5  * Permission is hereby granted, free  of charge, to any person obtaining
6  * a  copy  of this  software  and  associated  documentation files  (the
7  * "Software"), to  deal in  the Software without  restriction, including
8  * without limitation  the rights to  use, copy, modify,  merge, publish,
9  * distribute,  sublicense, and/or sell  copies of  the Software,  and to
10  * permit persons to whom the Software  is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The  above  copyright  notice  and  this permission  notice  shall  be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
17  * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
18  * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  *
24  */
25 package org.slf4j;
26 
27 import java.io.PrintStream;
28 import java.util.Random;
29 
30 import junit.framework.TestCase;
31 
32 public class VersionMismatchAssertionTest extends TestCase {
33 
34     StringPrintStream sps = new StringPrintStream(System.err);
35     PrintStream old = System.err;
36     int diff = 1024 + new Random().nextInt(10000);
37 
VersionMismatchAssertionTest(String name)38     public VersionMismatchAssertionTest(String name) {
39         super(name);
40     }
41 
setUp()42     protected void setUp() throws Exception {
43         super.setUp();
44         System.setErr(sps);
45     }
46 
tearDown()47     protected void tearDown() throws Exception {
48         super.tearDown();
49         System.setErr(old);
50     }
51 
test()52     public void test() throws Exception {
53         Logger logger = LoggerFactory.getLogger(this.getClass());
54         String msg = "hello world " + diff;
55         logger.info(msg);
56 
57         String s0 = (String) sps.stringList.get(0);
58         assertTrue(s0.matches("SLF4J: The requested version .* by your slf4j binding is not compatible with.*"));
59 
60         String s1 = (String) sps.stringList.get(1);
61         assertTrue(s1.contains(LoggerFactory.VERSION_MISMATCH));
62 
63         String s2 = (String) sps.stringList.get(2);
64         assertTrue(s2.contains(msg));
65 
66     }
67 }
68