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 MissingSingletonMethodAssertionTest extends TestCase {
33
34 StringPrintStream sps = new StringPrintStream(System.err);
35 PrintStream old = System.err;
36 int diff = 1024 + new Random().nextInt(10000);
37
38 public MissingSingletonMethodAssertionTest(String name) {
39 super(name);
40 }
41
42 protected void setUp() throws Exception {
43 super.setUp();
44 System.setErr(sps);
45 }
46
47 protected void tearDown() throws Exception {
48 super.tearDown();
49 System.setErr(old);
50 }
51
52 public void test() throws Exception {
53 try {
54 Logger logger = LoggerFactory.getLogger(this.getClass());
55 String msg = "hello world " + diff;
56 logger.info(msg);
57 fail("NoSuchMethodError expected");
58 } catch (NoSuchMethodError e) {
59 }
60
61 int lineCount = sps.stringList
62 .size();
63 assertTrue("number of lines should be 3 but was "+lineCount, lineCount == 3);
64
65
66 // expected output:
67 // SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding.
68 // SLF4J: Your binding is version 1.4.x or earlier.
69 // SLF4J: Upgrade your binding to version 1.6.x. or 2.0.x
70
71 {
72 String s = (String) sps.stringList.get(0);
73 assertTrue(s
74 .contains("SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding."));
75 }
76 {
77 String s = (String) sps.stringList.get(1);
78 assertTrue(s.contains("SLF4J: Your binding is version 1.5.5 or earlier."));
79 }
80 {
81 String s = (String) sps.stringList.get(2);
82 assertTrue(s
83 .contains("SLF4J: Upgrade your binding to version 1.6.x."));
84 }
85
86 }
87 }