1   /**
2    * LOGBack: the reliable, fast and flexible logging library for Java.
3    *
4    * Copyright (C) 1999-2006, QOS.ch
5    *
6    * This library is free software, you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public License as
8    * published by the Free Software Foundation.
9    */
10  package ch.qos.logback.core.pattern.parser;
11  
12  import static org.junit.Assert.assertEquals;
13  import static org.junit.Assert.assertFalse;
14  import static org.junit.Assert.assertTrue;
15  
16  import org.junit.Test;
17  
18  import ch.qos.logback.core.Context;
19  import ch.qos.logback.core.ContextBase;
20  import ch.qos.logback.core.pattern.ExceptionalConverter;
21  import ch.qos.logback.core.pattern.PatternLayoutBase;
22  import ch.qos.logback.core.status.StatusChecker;
23  import ch.qos.logback.core.status.StatusManager;
24  import ch.qos.logback.core.util.StatusPrinter;
25  
26  
27  abstract public class AbstractPatternLayoutBaseTest<E> {
28    
29    abstract public PatternLayoutBase<E> getPatternLayoutBase();
30    abstract public E getEventObject();
31    abstract public Context getContext();
32    
33    @Test
34    public void testUnStarted() {
35      PatternLayoutBase<E> plb = getPatternLayoutBase();
36      Context context = new ContextBase();
37      plb.setContext(context);
38      String s = plb.doLayout(getEventObject());
39      assertEquals("", s);
40      StatusManager sm = context.getStatusManager();
41      StatusPrinter.print(sm);
42    }
43  
44    /**
45     * This test checks that the pattern layout implementation starts its
46     * converters. ExceptionalConverter throws an exception if it's convert
47     * method is called before being started.
48     */
49    @Test
50    public void testConverterStart() {
51      PatternLayoutBase<E> plb = getPatternLayoutBase();
52      plb.setContext(getContext());
53      plb.getInstanceConverterMap().put("EX", ExceptionalConverter.class.getName());
54      plb.setPattern("%EX");
55      plb.start();
56      String result = plb.doLayout(getEventObject());
57      assertFalse(result.contains("%PARSER_ERROR_EX"));
58      //System.out.println("========="+result);
59    }
60  
61    @Test
62    public void testStarted() {
63      PatternLayoutBase<E> plb = getPatternLayoutBase();
64      Context context = new ContextBase();
65      plb.setContext(context);
66      String s = plb.doLayout(getEventObject());
67      assertEquals("", s);
68      StatusManager sm = context.getStatusManager();
69      StatusPrinter.print(sm);
70    }
71  
72    @Test
73    public void testNullPattern() {
74      //System.out.println("testNullPattern");
75      PatternLayoutBase<E> plb = getPatternLayoutBase();
76      Context context = new ContextBase();
77      plb.setContext(context);
78      plb.start();
79      String s = plb.doLayout(getEventObject());
80      assertEquals("", s);
81      StatusChecker checker = new StatusChecker(context.getStatusManager());
82      //StatusPrinter.print(context.getStatusManager());
83      assertTrue(checker.containsMatch("Failed to parse pattern \"null\""));
84    }
85  
86  }