[922] | 1 | package de.ugoe.cs.autoquest.usageprofiles;
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[518] | 2 |
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| 3 | import java.util.ArrayList;
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| 4 | import java.util.Collection;
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| 5 | import java.util.List;
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| 6 | import java.util.Random;
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| 7 | import org.junit.*;
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| 8 |
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[922] | 9 | import de.ugoe.cs.autoquest.eventcore.Event;
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| 10 | import de.ugoe.cs.autoquest.eventcore.StringEventType;
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| 11 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel;
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| 12 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel.MarkovEdge;
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[518] | 13 | import static org.junit.Assert.*;
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| 14 |
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| 15 | /**
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| 16 | * The class <code>FirstOrderMarkovModelTest</code> contains tests for the class
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| 17 | * <code>{@link FirstOrderMarkovModel}</code>.
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| 18 | *
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| 19 | * @author Steffen Herbold
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| 20 | * @version 1.0
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| 21 | */
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| 22 | public class FirstOrderMarkovModelTest {
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| 23 |
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[548] | 24 | Collection<List<Event>> sequences;
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[518] | 25 |
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| 26 | @Test
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| 27 | public void testFirstOrderMarkovModel_1() throws Exception {
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| 28 | Random r = new Random();
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| 29 |
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| 30 | FirstOrderMarkovModel result = new FirstOrderMarkovModel(r);
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| 31 |
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| 32 | assertNotNull(result);
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| 33 | assertEquals(r, result.r);
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| 34 | assertEquals(2, result.trieOrder);
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| 35 | }
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| 36 |
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[766] | 37 | @Test(expected = java.lang.IllegalArgumentException.class)
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[518] | 38 | public void testFirstOrderMarkovModel_2() throws Exception {
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| 39 | new FirstOrderMarkovModel(null);
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| 40 | }
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| 41 |
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| 42 | @Test
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| 43 | public void testCalcEntropy() throws Exception {
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| 44 | Random r = new Random();
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| 45 | FirstOrderMarkovModel fixture = new FirstOrderMarkovModel(r);
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| 46 | fixture.train(sequences);
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| 47 |
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| 48 | double result = fixture.calcEntropy();
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| 49 |
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| 50 | assertEquals(0.7392d, result, 0.0001);
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| 51 | }
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| 52 |
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| 53 | @Test
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| 54 | public void testMarkovEdgeMarkovEdge_1() throws Exception {
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| 55 | double weight = 0.2d;
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| 56 |
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| 57 | MarkovEdge result = new MarkovEdge(weight);
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| 58 |
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| 59 | assertNotNull(result);
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| 60 | assertEquals(weight, result.weight, 0.0001);
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| 61 | }
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| 62 |
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| 63 | @Test
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| 64 | public void testMarkovEdgeToString_1() throws Exception {
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| 65 | double weight = 0.2d;
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| 66 | MarkovEdge fixture = new MarkovEdge(weight);
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| 67 |
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| 68 | String result = fixture.toString();
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| 69 |
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| 70 | assertEquals(Double.toString(0.2d), result);
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| 71 | }
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| 72 |
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| 73 | @Before
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| 74 | public void setUp() throws Exception {
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[548] | 75 | List<Event> sequence = new ArrayList<Event>();
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| 76 | sequence.add(new Event(new StringEventType("a")));
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| 77 | sequence.add(new Event(new StringEventType("b")));
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| 78 | sequence.add(new Event(new StringEventType("r")));
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| 79 | sequence.add(new Event(new StringEventType("a")));
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| 80 | sequence.add(new Event(new StringEventType("c")));
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| 81 | sequence.add(new Event(new StringEventType("a")));
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| 82 | sequence.add(new Event(new StringEventType("d")));
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| 83 | sequence.add(new Event(new StringEventType("a")));
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| 84 | sequence.add(new Event(new StringEventType("b")));
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| 85 | sequence.add(new Event(new StringEventType("r")));
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| 86 | sequence.add(new Event(new StringEventType("a")));
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[518] | 87 |
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[548] | 88 | sequences = new ArrayList<List<Event>>();
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[518] | 89 | sequences.add(sequence);
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| 90 | }
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| 91 |
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| 92 | public static void main(String[] args) {
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| 93 | new org.junit.runner.JUnitCore().run(FirstOrderMarkovModelTest.class);
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| 94 | }
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| 95 | } |
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