MakeAllJesterChangesTest


1   package jester.makealljesterchanges;
2   
3   import java.io.BufferedWriter  ;
4   import java.io.File  ;
5   import java.io.FileWriter  ;
6   import java.io.IOException  ;
7   
8   import junit.framework.TestCase;
9   
10  /*
11   * Created on 19-Feb-2005
12   *
13   */
14  
15  /**
16   * @author Simon Lever
17   * 
18   * JUnit test case that contains all the tests performed on the
19   * MakeAllJesterChanges object
20   */
21  public class MakeAllJesterChangesTest extends TestCase {
22  
23      /*
24       * private test variables (not really needed as all methods in the class
25       * under test are static, but good to have in case instance methods are
26       * added in the future and thus corresponding tests should be added here).
27       */
28      MakeAllJesterChanges changeObject = null;
29  
30      /**
31       * Main method for running tests via the command line
32       * 
33       * @param args
34       */
35      public static void main(String   args[]) {
36          junit.textui.TestRunner.run(MakeAllJesterChangesTest.class);
37      }
38  
39      /*
40       * Called before every test
41       * 
42       * @see TestCase#setUp()
43       */
44      protected void setUp() throws Exception   {
45          super.setUp();
46          //create a reference for the changeObject
47          changeObject = new MakeAllJesterChanges();
48      }
49  
50      /*
51       * Called after every test
52       * 
53       * @see TestCase#tearDown()
54       */
55      protected void tearDown() throws Exception   {
56          super.tearDown();
57          changeObject = null; //reset the object to have no reference
58      }
59  
60      /*
61       * makes sure that the algorithm fails if the "jesterReport.xml" file is not
62       * in the same directory as the MakeAllJesterChanges class file
63       */
64      public void testMainAndParseXMLAndApplyChangesFileNotFoundException() {
65          MakeAllJesterChanges.main(null);
66          /*
67           * if we get here the FileNotFoundException was caught and handled and
68           * hence the algorithm is correctly handling this error condition
69           */
70          assertTrue("The FileNotFoundException was not caught and dealt "
71                  + "with if you can see this message", true);
72      }
73  
74      /*
75       * makes sure that the MakeAllJesterChanges.parseFileName(String) is
76       * correctly functioning
77       */
78      public void testParseFileName() {
79          String   testString = "directory/folder/file.java";
80          String   returnString = MakeAllJesterChanges.parseFileName(testString);
81          /*
82           * if working then the path should be maintained with only the .java
83           * replaced by .jester
84           */
85          assertEquals("directory/folder/file.jester", returnString);
86      }
87  
88      /*
89       * tests the MakeAllJesterChanges.getContents(File) method where the file
90       * exists
91       */
92      public void testGetContentsWhereFileExists() throws IOException   {
93          //create a file with some contents
94          File   file = new File  ("aFile.file");
95          BufferedWriter   newOutBuff = new BufferedWriter  (new FileWriter  (file));
96          newOutBuff
97                  .write("This is some contents written by a BufferedWriter...");
98          newOutBuff.close(); //close the buffer
99  
100         //invoke the getContents method
101         String   returnString = MakeAllJesterChanges.getContents(file);
102 
103         /*
104          * make sure that the Strings are equal where in fact the getContents
105          * method should append on a native OS newline character on the end
106          */
107         assertEquals("This is some contents written by a BufferedWriter..."
108                 + System.getProperty("line.separator"), returnString);
109 
110         //make sure that the file is then deleted
111         file.delete();
112     }
113 }
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