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Java > Open Source Codes > edu > rice > cs > drjava > config > SavableConfigurationTest


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33
34 package edu.rice.cs.drjava.config;
35
36 import edu.rice.cs.drjava.DrJavaTestCase;
37
38 import java.io.ByteArrayInputStream JavaDoc;
39 import java.io.ByteArrayOutputStream JavaDoc;
40 import java.io.IOException JavaDoc;
41 import java.text.SimpleDateFormat JavaDoc;
42 import java.text.ParseException JavaDoc;
43 import java.util.Date JavaDoc;
44
45 /** JUnit test class for testing SavableConfiguration.
46   *
47   * @author <a HREF="mailto:chrisw@rice.edu">Chris Warrington</a>
48   * @version $Id: $
49   */
50 public class SavableConfigurationTest extends DrJavaTestCase {
51   /**
52    * This is the date format the Date.toString() uses.
53    */
54   SimpleDateFormat JavaDoc dateFormat = new SimpleDateFormat JavaDoc("EEE MMM dd HH:mm:ss zzz yyyy");
55   
56   ByteArrayOutputStream JavaDoc outputBytes = null;
57   
58   public void setUp() throws Exception JavaDoc {
59     super.setUp();
60     outputBytes = new ByteArrayOutputStream JavaDoc();
61   }
62   
63   /**
64    * Tests the saveConfiguration method with no configuration data
65    */
66   public void testEmptyConfiguration() throws IOException JavaDoc {
67     SavableConfiguration emptyConfig = new SavableConfiguration(new DefaultOptionMap());
68     
69     emptyConfig.saveConfiguration(outputBytes, "header");
70     
71     String JavaDoc outputString = outputBytes.toString();
72     String JavaDoc[] lines = outputString.split("\n");
73     
74     assertTrue("Data exists", outputString.length() > 0);
75     assertEquals("Number of lines", 2, lines.length);
76     assertEquals("Starts with \"#header\"", "#header", lines[0]);
77     try {
78       //get the date without the #
79 String JavaDoc bareDate = lines[1].substring(1, lines[1].length());
80       Date JavaDoc readInDate = dateFormat.parse(bareDate);
81       assertTrue("Embedded date less than now",
82                  readInDate.compareTo(new Date JavaDoc()) <= 0);
83     }
84     catch (ParseException JavaDoc pe) {
85       fail("Could not parse second line into a date.");
86     }
87   }
88   
89   /**
90    * Tests the saveConfiguration method with some configuration data.
91    */
92   public void testNonEmptyConfiguration() throws IOException JavaDoc {
93     DefaultOptionMap optionsMap = new DefaultOptionMap();
94     optionsMap.setOption(new BooleanOption("tests_are_good", false), true);
95     optionsMap.setOption(new IntegerOption("meaning_of_life", 0), 42);
96     optionsMap.setOption(new StringOption("yay_strings", "hello?"), "goodbye");
97     
98     SavableConfiguration nonEmptyConfig = new SavableConfiguration(optionsMap);
99     
100     nonEmptyConfig.saveConfiguration(outputBytes, "header");
101     
102     String JavaDoc outputString = outputBytes.toString();
103     String JavaDoc[] lines = outputString.split("\n");
104
105     assertTrue("Data exists", outputString.length() > 0);
106     assertEquals("Number of lines", 5, lines.length);
107     assertEquals("Starts with \"#header\"", "#header", lines[0]);
108     try {
109       //get the date without the #
110 String JavaDoc bareDate = lines[1].substring(1, lines[1].length());
111       Date JavaDoc readInDate = dateFormat.parse(bareDate);
112       assertTrue("Embedded date less than now",
113                  readInDate.compareTo(new Date JavaDoc()) <= 0);
114     }
115     catch (ParseException JavaDoc pe) {
116       fail("Could not parse second line into a date.");
117     }
118     assertEquals("BooleanOption", "tests_are_good = true", lines[2]);
119     assertEquals("IntegerOption", "meaning_of_life = 42", lines[3]);
120     assertEquals("StringOption", "yay_strings = goodbye", lines[4]);
121   }
122 }
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