TestMonitor


1   /*
2    *  Copyright (c) 2001-2005, Jean Tessier
3    *  All rights reserved.
4    *  
5    *  Redistribution and use in source and binary forms, with or without
6    *  modification, are permitted provided that the following conditions
7    *  are met:
8    *  
9    *      * Redistributions of source code must retain the above copyright
10   *        notice, this list of conditions and the following disclaimer.
11   *  
12   *      * Redistributions in binary form must reproduce the above copyright
13   *        notice, this list of conditions and the following disclaimer in the
14   *        documentation and/or other materials provided with the distribution.
15   *  
16   *      * Neither the name of Jean Tessier nor the names of his contributors
17   *        may be used to endorse or promote products derived from this software
18   *        without specific prior written permission.
19   *  
20   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21   *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22   *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23   *  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR
24   *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25   *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26   *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27   *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28   *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29   *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30   *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31   */
32  
33  package com.jeantessier.classreader;
34  
35  import java.io.*;
36  import java.util.*;
37  
38  import org.apache.log4j.*;
39  
40  import junit.framework.*;
41  
42  public class TestMonitor extends TestCase {
43      public static final String   TEST_CLASS = "test";
44      public static final String   TEST_FILENAME = "classes" + File.separator + "test.class";
45      
46      private MockVisitor       addVisitor;
47      private MockRemoveVisitor removeVisitor;
48  
49      private Monitor monitor;
50  
51      private Classfile testClassfile;
52      
53      protected void setUp() throws Exception   {
54          super.setUp();
55  
56          addVisitor    = new MockVisitor();
57          removeVisitor = new MockRemoveVisitor();
58  
59          monitor = new Monitor(addVisitor, removeVisitor);
60  
61          ClassfileLoader loader = new AggregatingClassfileLoader();
62          loader.load(TEST_FILENAME);
63          testClassfile = loader.getClassfile(TEST_CLASS);
64      }
65  
66      public void testFileTracking() {
67          monitor.beginSession(new LoadEvent(this, null, null, null));
68          monitor.beginGroup(new LoadEvent(this, null, null, null));
69  
70          assertEquals("previous", 0, monitor.previousFiles.size());
71          assertEquals("current", 0, monitor.currentFiles.size());
72          
73          monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
74          
75          assertEquals("previous", 0, monitor.previousFiles.size());
76          assertEquals("current", 1, monitor.currentFiles.size());
77          assertTrue("TEST_FILENAME not in current", monitor.currentFiles.contains(TEST_FILENAME));
78          
79          monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
80          
81          assertEquals("previous", 0, monitor.previousFiles.size());
82          assertEquals("current", 1, monitor.currentFiles.size());
83          assertTrue("TEST_FILENAME not in current", monitor.currentFiles.contains(TEST_FILENAME));
84          
85          monitor.endGroup(new LoadEvent(this, null, null, null));
86          monitor.endSession(new LoadEvent(this, null, null, null));
87          
88          assertEquals("previous", 1, monitor.previousFiles.size());
89          assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
90          assertEquals("current", 0, monitor.currentFiles.size());
91      }
92  
93      public void testFileTrackingAcrossSessions() {
94          monitor.beginSession(new LoadEvent(this, null, null, null));
95          monitor.beginGroup(new LoadEvent(this, null, null, null));
96          monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
97          monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
98          monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
99          monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
100         monitor.endGroup(new LoadEvent(this, null, null, null));
101         monitor.endSession(new LoadEvent(this, null, null, null));
102         
103         assertEquals("previous", 1, monitor.previousFiles.size());
104         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
105         assertEquals("current", 0, monitor.currentFiles.size());
106         
107         monitor.beginSession(new LoadEvent(this, null, null, null));
108         monitor.beginGroup(new LoadEvent(this, null, null, null));
109         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
110         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
111 
112         assertEquals("previous", 1, monitor.previousFiles.size());
113         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
114         assertEquals("current", 1, monitor.currentFiles.size());
115         assertTrue("TEST_FILENAME not in current", monitor.currentFiles.contains(TEST_FILENAME));
116 
117         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
118 
119         assertEquals("previous", 1, monitor.previousFiles.size());
120         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
121         assertEquals("current", 1, monitor.currentFiles.size());
122         assertTrue("TEST_FILENAME not in current", monitor.currentFiles.contains(TEST_FILENAME));
123 
124         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
125 
126         assertEquals("previous", 0, monitor.previousFiles.size());
127         assertEquals("current", 1, monitor.currentFiles.size());
128         assertTrue("TEST_FILENAME not in current", monitor.currentFiles.contains(TEST_FILENAME));
129 
130         monitor.endGroup(new LoadEvent(this, null, null, null));
131         monitor.endSession(new LoadEvent(this, null, null, null));
132         
133         assertEquals("previous", 1, monitor.previousFiles.size());
134         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
135         assertEquals("current", 0, monitor.currentFiles.size());
136     }
137 
138     public void testFileTrackingWithSkippedFile() {
139         monitor.beginSession(new LoadEvent(this, null, null, null));
140         monitor.beginGroup(new LoadEvent(this, null, null, null));
141         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
142         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
143         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
144         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
145         monitor.endGroup(new LoadEvent(this, null, null, null));
146         monitor.endSession(new LoadEvent(this, null, null, null));
147         
148         assertEquals("previous", 1, monitor.previousFiles.size());
149         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
150         assertEquals("current", 0, monitor.currentFiles.size());
151         
152         monitor.beginSession(new LoadEvent(this, null, null, null));
153         monitor.beginGroup(new LoadEvent(this, null, null, null));
154         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
155 
156         assertEquals("previous", 1, monitor.previousFiles.size());
157         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
158         assertEquals("current", 1, monitor.currentFiles.size());
159         assertTrue("TEST_FILENAME not in current", monitor.currentFiles.contains(TEST_FILENAME));
160 
161         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
162 
163         assertEquals("previous", 0, monitor.previousFiles.size());
164         assertEquals("current", 1, monitor.currentFiles.size());
165         assertTrue("TEST_FILENAME not in current", monitor.currentFiles.contains(TEST_FILENAME));
166 
167         monitor.endGroup(new LoadEvent(this, null, null, null));
168         monitor.endSession(new LoadEvent(this, null, null, null));
169         
170         assertEquals("previous", 1, monitor.previousFiles.size());
171         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
172         assertEquals("current", 0, monitor.currentFiles.size());
173     }
174 
175     public void testFileTrackingWithMissingFile() {
176         monitor.beginSession(new LoadEvent(this, null, null, null));
177         monitor.beginGroup(new LoadEvent(this, null, null, null));
178         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
179         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
180         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
181         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
182         monitor.endGroup(new LoadEvent(this, null, null, null));
183         monitor.endSession(new LoadEvent(this, null, null, null));
184         
185         assertEquals("previous", 1, monitor.previousFiles.size());
186         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
187         assertEquals("current", 0, monitor.currentFiles.size());
188         
189         monitor.beginSession(new LoadEvent(this, null, null, null));
190         monitor.beginGroup(new LoadEvent(this, null, null, null));
191         
192         assertEquals("previous", 1, monitor.previousFiles.size());
193         assertTrue("TEST_FILENAME not in previous", monitor.previousFiles.contains(TEST_FILENAME));
194         assertEquals("current", 0, monitor.currentFiles.size());
195 
196         monitor.endGroup(new LoadEvent(this, null, null, null));
197         monitor.endSession(new LoadEvent(this, null, null, null));
198         
199         assertEquals("previous", 0, monitor.previousFiles.size());
200         assertEquals("current", 0, monitor.currentFiles.size());
201     }
202     
203     public void testNewClassfile() {
204         monitor.beginSession(new LoadEvent(this, null, null, null));
205         monitor.beginGroup(new LoadEvent(this, null, null, null));
206         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
207         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
208         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
209 
210         assertEquals("added", 1, addVisitor.getVisitedClasses().size());
211         assertTrue("added missed " + TEST_CLASS, addVisitor.getVisitedClasses().contains(testClassfile));
212         assertEquals("removed", 0, removeVisitor.getVisitedClasses().size());
213     }
214 
215     public void testRepeatInSession() {
216         monitor.beginSession(new LoadEvent(this, null, null, null));
217         monitor.beginGroup(new LoadEvent(this, null, null, null));
218         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
219         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
220         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
221         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
222         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
223         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
224         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
225 
226         assertEquals("added", 2, addVisitor.getVisitedClasses().size());
227         Iterator i = addVisitor.getVisitedClasses().iterator();
228         assertEquals("added 1", testClassfile, i.next());
229         assertEquals("added 2", testClassfile, i.next());
230         assertEquals("removed", 0, removeVisitor.getVisitedClasses().size());
231     }
232 
233     public void testRepeatAcrossSessions() {
234         monitor.beginSession(new LoadEvent(this, null, null, null));
235         monitor.beginGroup(new LoadEvent(this, null, null, null));
236         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
237         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
238         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
239         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
240         monitor.endGroup(new LoadEvent(this, null, null, null));
241         monitor.endSession(new LoadEvent(this, null, null, null));
242         
243         monitor.beginSession(new LoadEvent(this, null, null, null));
244         monitor.beginGroup(new LoadEvent(this, null, null, null));
245         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
246         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
247         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
248 
249         assertEquals("added", 2, addVisitor.getVisitedClasses().size());
250         Iterator i = addVisitor.getVisitedClasses().iterator();
251         assertEquals("added 1", testClassfile, i.next());
252         assertEquals("added 2", testClassfile, i.next());
253         assertEquals("removed", 1, removeVisitor.getVisitedClasses().size());
254         assertTrue("removed missed " + TEST_CLASS, removeVisitor.getVisitedClasses().contains(TEST_CLASS));
255     }
256 
257     public void testRemoval() {
258         monitor.beginSession(new LoadEvent(this, null, null, null));
259         monitor.beginGroup(new LoadEvent(this, null, null, null));
260         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
261         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
262         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
263         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
264         monitor.endGroup(new LoadEvent(this, null, null, null));
265         monitor.endSession(new LoadEvent(this, null, null, null));
266         
267         monitor.beginSession(new LoadEvent(this, null, null, null));
268         monitor.beginGroup(new LoadEvent(this, null, null, null));
269         monitor.endGroup(new LoadEvent(this, null, null, null));
270         monitor.endSession(new LoadEvent(this, null, null, null));
271 
272         assertEquals("added", 1, addVisitor.getVisitedClasses().size());
273         assertTrue("added missed " + TEST_CLASS, addVisitor.getVisitedClasses().contains(testClassfile));
274         assertEquals("removed", 1, removeVisitor.getVisitedClasses().size());
275         assertTrue("removed missed " + TEST_CLASS, removeVisitor.getVisitedClasses().contains(TEST_CLASS));
276     }
277 
278     public void testSkip() {
279         monitor.beginSession(new LoadEvent(this, null, null, null));
280         monitor.beginGroup(new LoadEvent(this, null, null, null));
281         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
282         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
283         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
284         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
285         monitor.endGroup(new LoadEvent(this, null, null, null));
286         monitor.endSession(new LoadEvent(this, null, null, null));
287         
288         monitor.beginSession(new LoadEvent(this, null, null, null));
289         monitor.beginGroup(new LoadEvent(this, null, null, null));
290         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
291         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
292         monitor.endGroup(new LoadEvent(this, null, null, null));
293         monitor.endSession(new LoadEvent(this, null, null, null));
294 
295         assertEquals("added", 1, addVisitor.getVisitedClasses().size());
296         assertTrue("added missed " + TEST_CLASS, addVisitor.getVisitedClasses().contains(testClassfile));
297         assertEquals("removed", 0, removeVisitor.getVisitedClasses().size());
298     }
299 
300     public void testOpenSession() {
301         monitor.setClosedSession(false);
302         
303         monitor.beginSession(new LoadEvent(this, null, null, null));
304         monitor.beginGroup(new LoadEvent(this, null, null, null));
305         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
306         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
307         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
308         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
309         monitor.endGroup(new LoadEvent(this, null, null, null));
310         monitor.endSession(new LoadEvent(this, null, null, null));
311         
312         monitor.beginSession(new LoadEvent(this, null, null, null));
313         monitor.beginGroup(new LoadEvent(this, null, null, null));
314         monitor.endGroup(new LoadEvent(this, null, null, null));
315         monitor.endSession(new LoadEvent(this, null, null, null));
316 
317         assertEquals("added", 1, addVisitor.getVisitedClasses().size());
318         assertTrue("added missed " + TEST_CLASS, addVisitor.getVisitedClasses().contains(testClassfile));
319         assertEquals("removed", 0, removeVisitor.getVisitedClasses().size());
320     }
321 
322     public void testExtractAgainInOpenSession() {
323         monitor.setClosedSession(false);
324         
325         monitor.beginSession(new LoadEvent(this, null, null, null));
326         monitor.beginGroup(new LoadEvent(this, null, null, null));
327         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
328         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
329         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
330         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
331         monitor.endGroup(new LoadEvent(this, null, null, null));
332         monitor.endSession(new LoadEvent(this, null, null, null));
333 
334         addVisitor.reset();
335         removeVisitor.reset();
336         
337         monitor.beginSession(new LoadEvent(this, null, null, null));
338         monitor.beginGroup(new LoadEvent(this, null, null, null));
339         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
340         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
341         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
342         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
343         monitor.endGroup(new LoadEvent(this, null, null, null));
344         monitor.endSession(new LoadEvent(this, null, null, null));
345 
346         assertEquals("added", 1, addVisitor.getVisitedClasses().size());
347         assertTrue("added missed " + TEST_CLASS, addVisitor.getVisitedClasses().contains(testClassfile));
348         assertEquals("removed", 0, removeVisitor.getVisitedClasses().size());
349     }
350 
351     public void testReloadAfterClosingSessionSession() {
352         monitor.setClosedSession(false);
353         
354         monitor.beginSession(new LoadEvent(this, null, null, null));
355         monitor.beginGroup(new LoadEvent(this, null, null, null));
356         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
357         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
358         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
359         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
360         monitor.endGroup(new LoadEvent(this, null, null, null));
361         monitor.endSession(new LoadEvent(this, null, null, null));
362 
363         monitor.setClosedSession(true);
364 
365         addVisitor.reset();
366         removeVisitor.reset();
367         
368         monitor.beginSession(new LoadEvent(this, null, null, null));
369         monitor.beginGroup(new LoadEvent(this, null, null, null));
370         monitor.beginFile(new LoadEvent(this, null, TEST_FILENAME, null));
371         monitor.beginClassfile(new LoadEvent(this, null, TEST_FILENAME, null));
372         monitor.endClassfile(new LoadEvent(this, null, TEST_FILENAME, testClassfile));
373         monitor.endFile(new LoadEvent(this, null, TEST_FILENAME, null));
374         monitor.endGroup(new LoadEvent(this, null, null, null));
375         monitor.endSession(new LoadEvent(this, null, null, null));
376 
377         assertEquals("added", 1, addVisitor.getVisitedClasses().size());
378         assertTrue("added missed " + TEST_CLASS, addVisitor.getVisitedClasses().contains(testClassfile));
379         assertEquals("removed", 1, removeVisitor.getVisitedClasses().size());
380         assertTrue("removed missed " + TEST_CLASS, removeVisitor.getVisitedClasses().contains(TEST_CLASS));
381     }
382 }
383
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags