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 MissingSingletonMethodAssertionTest(String name)38 public MissingSingletonMethodAssertionTest(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 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.size(); 62 assertTrue("number of lines should be 3 but was " + lineCount, lineCount == 3); 63 64 // expected output: 65 // SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding. 66 // SLF4J: Your binding is version 1.4.x or earlier. 67 // SLF4J: Upgrade your binding to version 1.6.x. or 2.0.x 68 69 { 70 String s = (String) sps.stringList.get(0); 71 assertTrue(s.contains("SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding.")); 72 } 73 { 74 String s = (String) sps.stringList.get(1); 75 assertTrue(s.contains("SLF4J: Your binding is version 1.5.5 or earlier.")); 76 } 77 { 78 String s = (String) sps.stringList.get(2); 79 assertTrue(s.contains("SLF4J: Upgrade your binding to version 1.6.x.")); 80 } 81 82 } 83 } 84