1 | package de.ugoe.cs.eventbench.models;
|
---|
2 |
|
---|
3 | import java.util.ArrayList;
|
---|
4 | import java.util.Collection;
|
---|
5 | import java.util.List;
|
---|
6 | import java.util.Random;
|
---|
7 | import org.junit.*;
|
---|
8 |
|
---|
9 | import de.ugoe.cs.eventbench.data.Event;
|
---|
10 | import static org.junit.Assert.*;
|
---|
11 |
|
---|
12 | /**
|
---|
13 | * The class <code>FirstOrderMarkovModelTest</code> contains tests for the class
|
---|
14 | * <code>{@link FirstOrderMarkovModel}</code>.
|
---|
15 | *
|
---|
16 | * @author Steffen Herbold
|
---|
17 | * @version 1.0
|
---|
18 | */
|
---|
19 | public class FirstOrderMarkovModelTest {
|
---|
20 |
|
---|
21 | Collection<List<? extends Event<?>>> sequences;
|
---|
22 |
|
---|
23 | @Test
|
---|
24 | public void testFirstOrderMarkovModel_1() throws Exception {
|
---|
25 | Random r = new Random();
|
---|
26 |
|
---|
27 | FirstOrderMarkovModel result = new FirstOrderMarkovModel(r);
|
---|
28 |
|
---|
29 | assertNotNull(result);
|
---|
30 | assertEquals(r, result.r);
|
---|
31 | assertEquals(2, result.trieOrder);
|
---|
32 | }
|
---|
33 |
|
---|
34 | @Test(expected = java.security.InvalidParameterException.class)
|
---|
35 | public void testFirstOrderMarkovModel_2() throws Exception {
|
---|
36 | new FirstOrderMarkovModel(null);
|
---|
37 | }
|
---|
38 |
|
---|
39 | @Test
|
---|
40 | public void testCalcEntropy() throws Exception {
|
---|
41 | Random r = new Random();
|
---|
42 | FirstOrderMarkovModel fixture = new FirstOrderMarkovModel(r);
|
---|
43 | fixture.train(sequences);
|
---|
44 |
|
---|
45 | double result = fixture.calcEntropy();
|
---|
46 |
|
---|
47 | assertEquals(0.7392d, result, 0.0001);
|
---|
48 | }
|
---|
49 |
|
---|
50 | @Before
|
---|
51 | public void setUp() throws Exception {
|
---|
52 | List<Event<?>> sequence = new ArrayList<Event<?>>();
|
---|
53 | sequence.add(new Event<String>("a"));
|
---|
54 | sequence.add(new Event<String>("b"));
|
---|
55 | sequence.add(new Event<String>("r"));
|
---|
56 | sequence.add(new Event<String>("a"));
|
---|
57 | sequence.add(new Event<String>("c"));
|
---|
58 | sequence.add(new Event<String>("a"));
|
---|
59 | sequence.add(new Event<String>("d"));
|
---|
60 | sequence.add(new Event<String>("a"));
|
---|
61 | sequence.add(new Event<String>("b"));
|
---|
62 | sequence.add(new Event<String>("r"));
|
---|
63 | sequence.add(new Event<String>("a"));
|
---|
64 |
|
---|
65 | sequences = new ArrayList<List<? extends Event<?>>>();
|
---|
66 | sequences.add(sequence);
|
---|
67 | }
|
---|
68 |
|
---|
69 | public static void main(String[] args) {
|
---|
70 | new org.junit.runner.JUnitCore().run(FirstOrderMarkovModelTest.class);
|
---|
71 | }
|
---|
72 | } |
---|