[927] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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| 2 | //
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License");
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| 4 | // you may not use this file except in compliance with the License.
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| 5 | // You may obtain a copy of the License at
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| 6 | //
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0
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| 8 | //
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| 9 | // Unless required by applicable law or agreed to in writing, software
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS,
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 12 | // See the License for the specific language governing permissions and
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| 13 | // limitations under the License.
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| 14 |
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[922] | 15 | package de.ugoe.cs.autoquest.usageprofiles;
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[518] | 16 |
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| 17 | import java.util.ArrayList;
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| 18 | import java.util.Collection;
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| 19 | import java.util.List;
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| 20 | import java.util.Random;
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| 21 | import org.junit.*;
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| 22 |
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[922] | 23 | import de.ugoe.cs.autoquest.eventcore.Event;
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| 24 | import de.ugoe.cs.autoquest.eventcore.StringEventType;
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| 25 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel;
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| 26 | import de.ugoe.cs.autoquest.usageprofiles.FirstOrderMarkovModel.MarkovEdge;
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[518] | 27 | import static org.junit.Assert.*;
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| 28 |
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| 29 | /**
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| 30 | * The class <code>FirstOrderMarkovModelTest</code> contains tests for the class
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| 31 | * <code>{@link FirstOrderMarkovModel}</code>.
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| 32 | *
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| 33 | * @author Steffen Herbold
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| 34 | * @version 1.0
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| 35 | */
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| 36 | public class FirstOrderMarkovModelTest {
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| 37 |
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[548] | 38 | Collection<List<Event>> sequences;
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[518] | 39 |
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| 40 | @Test
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| 41 | public void testFirstOrderMarkovModel_1() throws Exception {
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| 42 | Random r = new Random();
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| 43 |
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| 44 | FirstOrderMarkovModel result = new FirstOrderMarkovModel(r);
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| 45 |
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| 46 | assertNotNull(result);
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| 47 | assertEquals(r, result.r);
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| 48 | assertEquals(2, result.trieOrder);
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| 49 | }
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| 50 |
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[766] | 51 | @Test(expected = java.lang.IllegalArgumentException.class)
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[518] | 52 | public void testFirstOrderMarkovModel_2() throws Exception {
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| 53 | new FirstOrderMarkovModel(null);
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| 54 | }
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| 55 |
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| 56 | @Test
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| 57 | public void testCalcEntropy() throws Exception {
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| 58 | Random r = new Random();
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| 59 | FirstOrderMarkovModel fixture = new FirstOrderMarkovModel(r);
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| 60 | fixture.train(sequences);
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| 61 |
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| 62 | double result = fixture.calcEntropy();
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| 63 |
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| 64 | assertEquals(0.7392d, result, 0.0001);
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| 65 | }
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| 66 |
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| 67 | @Test
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| 68 | public void testMarkovEdgeMarkovEdge_1() throws Exception {
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| 69 | double weight = 0.2d;
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| 70 |
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| 71 | MarkovEdge result = new MarkovEdge(weight);
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| 72 |
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| 73 | assertNotNull(result);
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| 74 | assertEquals(weight, result.weight, 0.0001);
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| 75 | }
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| 76 |
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| 77 | @Test
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| 78 | public void testMarkovEdgeToString_1() throws Exception {
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| 79 | double weight = 0.2d;
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| 80 | MarkovEdge fixture = new MarkovEdge(weight);
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| 81 |
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| 82 | String result = fixture.toString();
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| 83 |
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| 84 | assertEquals(Double.toString(0.2d), result);
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| 85 | }
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| 86 |
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| 87 | @Before
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| 88 | public void setUp() throws Exception {
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[548] | 89 | List<Event> sequence = new ArrayList<Event>();
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| 90 | sequence.add(new Event(new StringEventType("a")));
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| 91 | sequence.add(new Event(new StringEventType("b")));
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| 92 | sequence.add(new Event(new StringEventType("r")));
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| 93 | sequence.add(new Event(new StringEventType("a")));
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| 94 | sequence.add(new Event(new StringEventType("c")));
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| 95 | sequence.add(new Event(new StringEventType("a")));
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| 96 | sequence.add(new Event(new StringEventType("d")));
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| 97 | sequence.add(new Event(new StringEventType("a")));
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| 98 | sequence.add(new Event(new StringEventType("b")));
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| 99 | sequence.add(new Event(new StringEventType("r")));
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| 100 | sequence.add(new Event(new StringEventType("a")));
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[518] | 101 |
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[548] | 102 | sequences = new ArrayList<List<Event>>();
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[518] | 103 | sequences.add(sequence);
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| 104 | }
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| 105 |
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| 106 | public static void main(String[] args) {
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| 107 | new org.junit.runner.JUnitCore().run(FirstOrderMarkovModelTest.class);
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| 108 | }
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| 109 | } |
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