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