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1
32
33 package com.jeantessier.metrics;
34
35 import junit.framework.*;
36
37 import java.io.*;
38 import java.util.*;
39
40 import org.xml.sax.*;
41
42 import com.jeantessier.classreader.*;
43
44 public class TestMetricsGathererEvents extends TestCase implements MetricsListener {
45 public static final String  TEST_CLASS = "test";
46 public static final String TEST_FILENAME = "classes" + File.separator + "test.class";
47 public static final String TEST_DIRNAME = "classes" + File.separator + "testpackage";
48 public static final String OTHER_DIRNAME = "classes" + File.separator + "otherpackage";
49
50 private ClassfileLoader loader;
51 private MetricsGatherer gatherer;
52
53 private LinkedList beginSessionEvents;
54 private LinkedList beginClassEvents;
55 private LinkedList beginMethodEvents;
56 private LinkedList endMethodEvents;
57 private LinkedList endClassEvents;
58 private LinkedList endSessionEvents;
59
60 protected void setUp() throws Exception {
61 loader = new AggregatingClassfileLoader();
62
63 MetricsFactory factory = new MetricsFactory("test", new MetricsConfigurationLoader(Boolean.getBoolean("DEPENDENCYFINDER_TESTS_VALIDATE")).load("etc" + File.separator + "MetricsConfig.xml"));
64 gatherer = new MetricsGatherer("test", factory);
65 gatherer.addMetricsListener(this);
66
67 beginSessionEvents = new LinkedList();
68 beginClassEvents = new LinkedList();
69 beginMethodEvents = new LinkedList();
70 endMethodEvents = new LinkedList();
71 endClassEvents = new LinkedList();
72 endSessionEvents = new LinkedList();
73 }
74
75 public void testEvents() throws IOException {
76 loader.load(Collections.singleton(TEST_FILENAME));
77
78 gatherer.visitClassfiles(loader.getAllClassfiles());
79
80 assertEquals("Begin Session", 1, beginSessionEvents.size());
81 assertEquals("Begin Class", 1, beginClassEvents.size());
82 assertEquals("Begin Method", 2, beginMethodEvents.size());
83 assertEquals("End Method", 2, endMethodEvents.size());
84 assertEquals("End Class", 1, endClassEvents.size());
85 assertEquals("End Session", 1, endSessionEvents.size());
86
87 assertEquals(loader.getClassfile(TEST_CLASS), ((MetricsEvent) beginClassEvents.getLast()).getClassfile());
88 assertEquals(loader.getClassfile(TEST_CLASS), ((MetricsEvent) endClassEvents.getLast()).getClassfile());
89 }
90
91 public void testMultipleEvents() throws IOException {
92 Collection dirs = new ArrayList(2);
93 dirs.add(TEST_DIRNAME);
94 dirs.add(OTHER_DIRNAME);
95 loader.load(dirs);
96
97 gatherer.visitClassfiles(loader.getAllClassfiles());
98
99 assertEquals("Begin Session", 1, beginSessionEvents.size());
100 assertEquals("Begin Class", 9, beginClassEvents.size());
101 assertEquals("Begin Method", 16, beginMethodEvents.size());
102 assertEquals("End Method", 16, endMethodEvents.size());
103 assertEquals("End Class", 9, endClassEvents.size());
104 assertEquals("End Session", 1, endSessionEvents.size());
105 }
106
107 public void testEventsWithNothing() throws IOException {
108 loader.load(Collections.EMPTY_SET);
109
110 gatherer.visitClassfiles(loader.getAllClassfiles());
111
112 assertEquals("Begin Session", 1, beginSessionEvents.size());
113 assertEquals("Begin Class", 0, beginClassEvents.size());
114 assertEquals("Begin Method", 0, beginMethodEvents.size());
115 assertEquals("End Method", 0, endMethodEvents.size());
116 assertEquals("End Class", 0, endClassEvents.size());
117 assertEquals("End Session", 1, endSessionEvents.size());
118 }
119
120 public void beginSession(MetricsEvent event) {
121 beginSessionEvents.add(event);
122 }
123
124 public void beginClass(MetricsEvent event) {
125 beginClassEvents.add(event);
126 }
127
128 public void beginMethod(MetricsEvent event) {
129 beginMethodEvents.add(event);
130 }
131
132 public void endMethod(MetricsEvent event) {
133 endMethodEvents.add(event);
134 }
135
136 public void endClass(MetricsEvent event) {
137 endClassEvents.add(event);
138 }
139
140 public void endSession(MetricsEvent event) {
141 endSessionEvents.add(event);
142 }
143 }
144 |
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