View Javadoc

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 static org.junit.Assert.assertNull;
28  
29  import java.util.logging.Level;
30  
31  import org.junit.After;
32  import org.junit.Before;
33  import org.junit.Test;
34  
35  /**
36   * Test whether invoking the SLF4J API causes problems or not.
37   * 
38   * @author Ceki Gulcu
39   *
40   */
41  public class InvocationTest {
42  
43      Level oldLevel;
44      java.util.logging.Logger root = java.util.logging.Logger.getLogger("");
45  
46      @Before
47      public void setUp() throws Exception {
48          oldLevel = root.getLevel();
49          root.setLevel(Level.OFF);
50      }
51  
52      @After
53      public void tearDown() throws Exception {
54          root.setLevel(oldLevel);
55      }
56  
57      @Test
58      public void test1() {
59          Logger logger = LoggerFactory.getLogger("test1");
60          logger.debug("Hello world.");
61      }
62  
63      @Test
64      public void test2() {
65          Integer i1 = new Integer(1);
66          Integer i2 = new Integer(2);
67          Integer i3 = new Integer(3);
68          Exception e = new Exception("This is a test exception.");
69          Logger logger = LoggerFactory.getLogger("test2");
70  
71          logger.debug("Hello world 1.");
72          logger.debug("Hello world {}", i1);
73          logger.debug("val={} val={}", i1, i2);
74          logger.debug("val={} val={} val={}", new Object[] { i1, i2, i3 });
75  
76          logger.debug("Hello world 2", e);
77          logger.info("Hello world 2.");
78  
79          logger.warn("Hello world 3.");
80          logger.warn("Hello world 3", e);
81  
82          logger.error("Hello world 4.");
83          logger.error("Hello world {}", new Integer(3));
84          logger.error("Hello world 4.", e);
85      }
86  
87      @Test
88      public void testNull() {
89          Logger logger = LoggerFactory.getLogger("testNull");
90          logger.debug(null);
91          logger.info(null);
92          logger.warn(null);
93          logger.error(null);
94  
95          Exception e = new Exception("This is a test exception.");
96          logger.debug(null, e);
97          logger.info(null, e);
98          logger.warn(null, e);
99          logger.error(null, e);
100     }
101 
102     @Test
103     public void testMarker() {
104         Logger logger = LoggerFactory.getLogger("testMarker");
105         Marker blue = MarkerFactory.getMarker("BLUE");
106         logger.debug(blue, "hello");
107         logger.info(blue, "hello");
108         logger.warn(blue, "hello");
109         logger.error(blue, "hello");
110 
111         logger.debug(blue, "hello {}", "world");
112         logger.info(blue, "hello {}", "world");
113         logger.warn(blue, "hello {}", "world");
114         logger.error(blue, "hello {}", "world");
115 
116         logger.debug(blue, "hello {} and {} ", "world", "universe");
117         logger.info(blue, "hello {} and {} ", "world", "universe");
118         logger.warn(blue, "hello {} and {} ", "world", "universe");
119         logger.error(blue, "hello {} and {} ", "world", "universe");
120     }
121 
122     @Test
123     public void testMDC() {
124         MDC.put("k", "v");
125         assertNull(MDC.get("k"));
126         MDC.remove("k");
127         assertNull(MDC.get("k"));
128         MDC.clear();
129     }
130 }