1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
|
---|
2 | //
|
---|
3 | // Licensed under the Apache License, Version 2.0 (the "License");
|
---|
4 | // you may not use this file except in compliance with the License.
|
---|
5 | // You may obtain a copy of the License at
|
---|
6 | //
|
---|
7 | // http://www.apache.org/licenses/LICENSE-2.0
|
---|
8 | //
|
---|
9 | // Unless required by applicable law or agreed to in writing, software
|
---|
10 | // distributed under the License is distributed on an "AS IS" BASIS,
|
---|
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
---|
12 | // See the License for the specific language governing permissions and
|
---|
13 | // limitations under the License.
|
---|
14 |
|
---|
15 | package de.ugoe.cs.autoquest.usageprofiles;
|
---|
16 |
|
---|
17 | import java.util.ArrayList;
|
---|
18 | import java.util.Collection;
|
---|
19 | import java.util.List;
|
---|
20 | import java.util.Random;
|
---|
21 | import org.junit.*;
|
---|
22 |
|
---|
23 | import de.ugoe.cs.autoquest.eventcore.Event;
|
---|
24 | import de.ugoe.cs.autoquest.eventcore.StringEventType;
|
---|
25 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel;
|
---|
26 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel.MarkovEdge;
|
---|
27 | import static org.junit.Assert.*;
|
---|
28 |
|
---|
29 | /**
|
---|
30 | * The class <code>FirstOrderMarkovModelTest</code> contains tests for the class
|
---|
31 | * <code>{@link FirstOrderMarkovModel}</code>.
|
---|
32 | *
|
---|
33 | * @author Steffen Herbold
|
---|
34 | * @version 1.0
|
---|
35 | */
|
---|
36 | public class FirstOrderMarkovModelTest {
|
---|
37 |
|
---|
38 | Collection<List<Event>> sequences;
|
---|
39 |
|
---|
40 | @Test
|
---|
41 | public void testFirstOrderMarkovModel_1() throws Exception {
|
---|
42 | Random r = new Random();
|
---|
43 |
|
---|
44 | FirstOrderMarkovModel result = new FirstOrderMarkovModel(r);
|
---|
45 |
|
---|
46 | assertNotNull(result);
|
---|
47 | assertEquals(r, result.r);
|
---|
48 | assertEquals(2, result.trieOrder);
|
---|
49 | }
|
---|
50 |
|
---|
51 | @Test(expected = java.lang.IllegalArgumentException.class)
|
---|
52 | public void testFirstOrderMarkovModel_2() throws Exception {
|
---|
53 | new FirstOrderMarkovModel(null);
|
---|
54 | }
|
---|
55 |
|
---|
56 | @Test
|
---|
57 | public void testCalcEntropy() throws Exception {
|
---|
58 | Random r = new Random();
|
---|
59 | FirstOrderMarkovModel fixture = new FirstOrderMarkovModel(r);
|
---|
60 | fixture.train(sequences);
|
---|
61 |
|
---|
62 | double result = fixture.calcEntropy();
|
---|
63 |
|
---|
64 | assertEquals(0.7392d, result, 0.0001);
|
---|
65 | }
|
---|
66 |
|
---|
67 | @Test
|
---|
68 | public void testMarkovEdgeMarkovEdge_1() throws Exception {
|
---|
69 | double weight = 0.2d;
|
---|
70 |
|
---|
71 | MarkovEdge result = new MarkovEdge(weight);
|
---|
72 |
|
---|
73 | assertNotNull(result);
|
---|
74 | assertEquals(weight, result.weight, 0.0001);
|
---|
75 | }
|
---|
76 |
|
---|
77 | @Test
|
---|
78 | public void testMarkovEdgeToString_1() throws Exception {
|
---|
79 | double weight = 0.2d;
|
---|
80 | MarkovEdge fixture = new MarkovEdge(weight);
|
---|
81 |
|
---|
82 | String result = fixture.toString();
|
---|
83 |
|
---|
84 | assertEquals(Double.toString(0.2d), result);
|
---|
85 | }
|
---|
86 |
|
---|
87 | @Before
|
---|
88 | public void setUp() throws Exception {
|
---|
89 | List<Event> sequence = new ArrayList<Event>();
|
---|
90 | sequence.add(new Event(new StringEventType("a")));
|
---|
91 | sequence.add(new Event(new StringEventType("b")));
|
---|
92 | sequence.add(new Event(new StringEventType("r")));
|
---|
93 | sequence.add(new Event(new StringEventType("a")));
|
---|
94 | sequence.add(new Event(new StringEventType("c")));
|
---|
95 | sequence.add(new Event(new StringEventType("a")));
|
---|
96 | sequence.add(new Event(new StringEventType("d")));
|
---|
97 | sequence.add(new Event(new StringEventType("a")));
|
---|
98 | sequence.add(new Event(new StringEventType("b")));
|
---|
99 | sequence.add(new Event(new StringEventType("r")));
|
---|
100 | sequence.add(new Event(new StringEventType("a")));
|
---|
101 |
|
---|
102 | sequences = new ArrayList<List<Event>>();
|
---|
103 | sequences.add(sequence);
|
---|
104 | }
|
---|
105 |
|
---|
106 | public static void main(String[] args) {
|
---|
107 | new org.junit.runner.JUnitCore().run(FirstOrderMarkovModelTest.class);
|
---|
108 | }
|
---|
109 | } |
---|