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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.migrator.line;
26  
27  import java.util.Arrays;
28  
29  import org.slf4j.migrator.line.LineConverter;
30  import org.slf4j.migrator.line.Log4jRuleSet;
31  
32  import junit.framework.TestCase;
33  
34  public class Log4jRuleSetTest extends TestCase {
35  
36    LineConverter log4jConverter = new LineConverter(new Log4jRuleSet());
37    
38    public void testImportReplacement() {
39      // LogFactory import replacement
40      assertEquals("import org.slf4j.LoggerFactory;", log4jConverter
41          .getOneLineReplacement("import org.apache.log4j.LogManager;"));
42      // Log import replacement
43      assertTrue(Arrays.equals( 
44          new String[] {"import org.slf4j.Logger;", "import org.slf4j.LoggerFactory;" },
45          log4jConverter.getReplacement("import org.apache.log4j.Logger;")));
46    }
47  
48    public void testLogManagerGetLoggerReplacement() {
49      // Logger declaration and instanciation without modifier
50      assertEquals(" Logger l = LoggerFactory.getLogger(MyClass.class);",
51          log4jConverter
52              .getOneLineReplacement(" Logger l = LogManager.getLogger(MyClass.class);"));
53      // Logger declaration and instanciation with one modifier
54      assertEquals(
55          "public Logger mylog=LoggerFactory.getLogger(MyClass.class);",
56          log4jConverter
57              .getOneLineReplacement("public Logger mylog=LogManager.getLogger(MyClass.class);"));
58      // Logger declaration and instanciation with two modifier
59      assertEquals(
60          "public static Logger mylog1 = LoggerFactory.getLogger(MyClass.class);",
61          log4jConverter
62              .getOneLineReplacement("public static Logger mylog1 = LogManager.getLogger(MyClass.class);"));
63      // Logger declaration and instanciation with two modifier and comment at the
64      // end of line
65      assertEquals(
66          "public static Logger mylog1 = LoggerFactory.getLogger(MyClass.class);//logger instanciation and declaration",
67          log4jConverter
68              .getOneLineReplacement("public static Logger mylog1 = LogManager.getLogger(MyClass.class);//logger instanciation and declaration"));
69      // Logger instanciation without declaration and comment at the end of line
70      assertEquals(
71          " myLog = LoggerFactory.getLogger(MyClass.class);//logger instanciation",
72          log4jConverter
73              .getOneLineReplacement(" myLog = LogManager.getLogger(MyClass.class);//logger instanciation"));
74      // commented Logger declaration and instanciation with two modifier
75      assertEquals(
76          "//public static Logger mylog1 = LoggerFactory.getLogger(MyClass.class);",
77          log4jConverter
78              .getOneLineReplacement("//public static Logger mylog1 = LogManager.getLogger(MyClass.class);"));
79      // commented Logger instanciation without declaration
80      assertEquals(
81          "// myLog = LoggerFactory.getLogger(MyClass.class);//logger instanciation",
82          log4jConverter
83              .getOneLineReplacement("// myLog = LogManager.getLogger(MyClass.class);//logger instanciation"));
84    }
85  
86    public void testLoggerGetLoggerReplacement() {
87      // Logger declaration and instanciation without modifier
88      assertEquals("Logger l = LoggerFactory.getLogger(MyClass.class);",
89          log4jConverter
90              .getOneLineReplacement("Logger l = Logger.getLogger(MyClass.class);"));
91      // Logger declaration and instanciation with one modifier
92      assertEquals(
93          "public Logger mylog=LoggerFactory.getLogger(MyClass.class);",
94          log4jConverter
95              .getOneLineReplacement("public Logger mylog=Logger.getLogger(MyClass.class);"));
96      // Logger declaration and instanciation with modifiers
97      assertEquals(
98          "public static Logger mylog1 = LoggerFactory.getLogger(MyClass.class);",
99          log4jConverter
100             .getOneLineReplacement("public static Logger mylog1 = Logger.getLogger(MyClass.class);"));
101     // Logger declaration and instanciation with two modifier and comment at the
102     // end of line
103     assertEquals(
104         "public static Logger mylog1 = LoggerFactory.getLogger(MyClass.class); // logger instanciation and declaration",
105         log4jConverter
106             .getOneLineReplacement("public static Logger mylog1 = Logger.getLogger(MyClass.class); // logger instanciation and declaration"));
107     // Logger instanciation without declaration and comment at the end of line
108     assertEquals(
109         " myLog = LoggerFactory.getLogger(MyClass.class);//logger instanciation",
110         log4jConverter
111             .getOneLineReplacement(" myLog = Logger.getLogger(MyClass.class);//logger instanciation"));
112     // commented Logger declaration and instanciation with two modifier
113     assertEquals(
114         "//public static Logger mylog1 = LoggerFactory.getLogger(MyClass.class);",
115         log4jConverter
116             .getOneLineReplacement("//public static Logger mylog1 = Logger.getLogger(MyClass.class);"));
117     // commented Logger instanciation without declaration
118     assertEquals(
119         "// myLog = LoggerFactory.getLogger(MyClass.class);//logger instanciation",
120         log4jConverter
121             .getOneLineReplacement("// myLog = Logger.getLogger(MyClass.class);//logger instanciation"));
122   }
123 
124   public void testLogDeclarationReplacement() {
125     // simple Logger declaration
126     assertEquals("Logger mylog;", log4jConverter.getOneLineReplacement("Logger mylog;"));
127     // Logger declaration with a modifier
128     assertEquals("private Logger mylog;", log4jConverter
129         .getOneLineReplacement("private Logger mylog;"));
130 
131     // Logger declaration with modifiers
132     assertEquals("public static final Logger myLog;", log4jConverter
133         .getOneLineReplacement("public static final Logger myLog;"));
134     // Logger declaration with modifiers and comment at the end of line
135     assertEquals("public Logger myLog;//logger declaration", log4jConverter
136         .getOneLineReplacement("public Logger myLog;//logger declaration"));
137     // commented Logger declaration
138     assertEquals("//private Logger myLog;", log4jConverter
139         .getOneLineReplacement("//private Logger myLog;"));
140   }
141 
142   public void testMultiLineReplacement()  {
143    // Logger declaration on a line
144    assertEquals("protected Logger log =", log4jConverter
145    .getOneLineReplacement("protected Logger log ="));
146     
147    // Logger instanciation on the next line
148    assertEquals(" LoggerFactory.getLogger(MyComponent.class);", log4jConverter
149    .getOneLineReplacement(" LogManager.getLogger(MyComponent.class);"));
150    // Logger declaration on a line
151    assertEquals("protected Logger log ", log4jConverter
152    .getOneLineReplacement("protected Logger log "));
153    // Logger instanciation on the next line
154    assertEquals(
155    " = LoggerFactory.getLogger(MyComponent.class);",
156    log4jConverter
157    .getOneLineReplacement(" = LogManager.getLogger(MyComponent.class);"));
158    }
159 }