[259] | 1 | package de.ugoe.cs.eventbench.models;
|
---|
| 2 |
|
---|
| 3 | import java.util.ArrayList;
|
---|
| 4 | import java.util.Collection;
|
---|
| 5 | import java.util.HashSet;
|
---|
| 6 | import java.util.List;
|
---|
| 7 | import java.util.Random;
|
---|
| 8 | import org.junit.*;
|
---|
| 9 |
|
---|
| 10 | import de.ugoe.cs.eventbench.data.Event;
|
---|
| 11 | import static org.junit.Assert.*;
|
---|
| 12 |
|
---|
| 13 | /**
|
---|
| 14 | * The class <code>ModelFlattenerTest</code> contains tests for the class <code>{@link ModelFlattener}</code>.
|
---|
| 15 | *
|
---|
| 16 | * @author Steffen Herbold
|
---|
| 17 | * @version 1.0
|
---|
| 18 | */
|
---|
| 19 | public class ModelFlattenerTest {
|
---|
| 20 |
|
---|
| 21 | List<Event<?>> sequence;
|
---|
| 22 |
|
---|
| 23 | private static void assertCollectionContent(Collection<?> c1, Collection<?> c2) {
|
---|
| 24 | assertEquals(c1.size(), c2.size());
|
---|
| 25 | for( Object obj : c1 ) {
|
---|
| 26 | assertTrue(c2.contains(obj));
|
---|
| 27 | }
|
---|
| 28 | }
|
---|
| 29 |
|
---|
| 30 | @Test
|
---|
| 31 | public void testFlattenHighOrderMarkovModel_1()
|
---|
| 32 | throws Exception {
|
---|
| 33 | ModelFlattener fixture = new ModelFlattener();
|
---|
| 34 | HighOrderMarkovModel model = new HighOrderMarkovModel(2, new Random());
|
---|
[326] | 35 | Collection<List<? extends Event<?>>> sequences = new ArrayList<List<? extends Event<?>>>();
|
---|
[259] | 36 | sequences.add(sequence);
|
---|
| 37 | model.train(sequences);
|
---|
| 38 |
|
---|
| 39 | Collection<Event<?>> expectedSymbols = new HashSet<Event<?>>();
|
---|
| 40 | expectedSymbols.add(new Event<Object>("a-=-END"));
|
---|
| 41 | expectedSymbols.add(new Event<Object>("a-=-b"));
|
---|
| 42 | expectedSymbols.add(new Event<Object>("a-=-c"));
|
---|
| 43 | expectedSymbols.add(new Event<Object>("a-=-d"));
|
---|
| 44 | expectedSymbols.add(new Event<Object>("b-=-r"));
|
---|
| 45 | expectedSymbols.add(new Event<Object>("c-=-a"));
|
---|
| 46 | expectedSymbols.add(new Event<Object>("d-=-a"));
|
---|
| 47 | expectedSymbols.add(new Event<Object>("r-=-a"));
|
---|
| 48 | expectedSymbols.add(new Event<Object>("START-=-a"));
|
---|
| 49 |
|
---|
| 50 | FirstOrderMarkovModel result = fixture.flattenHighOrderMarkovModel(model);
|
---|
| 51 |
|
---|
| 52 | assertCollectionContent(expectedSymbols, result.getEvents());
|
---|
| 53 |
|
---|
| 54 | TrieNode<Event<?>> root = result.trie.find(null);
|
---|
| 55 | TrieNode<Event<?>> root_aEnd = root.getChild(new Event<Object>("a-=-END"));
|
---|
| 56 | TrieNode<Event<?>> root_ab = root.getChild(new Event<Object>("a-=-b"));
|
---|
| 57 | TrieNode<Event<?>> root_ab_br = root_ab.getChild(new Event<Object>("b-=-r"));
|
---|
| 58 | TrieNode<Event<?>> root_ac = root.getChild(new Event<Object>("a-=-c"));
|
---|
| 59 | TrieNode<Event<?>> root_ac_ca = root_ac.getChild(new Event<Object>("c-=-a"));
|
---|
| 60 | TrieNode<Event<?>> root_ad = root.getChild(new Event<Object>("a-=-d"));
|
---|
| 61 | TrieNode<Event<?>> root_ad_da = root_ad.getChild(new Event<Object>("d-=-a"));
|
---|
| 62 | TrieNode<Event<?>> root_br = root.getChild(new Event<Object>("b-=-r"));
|
---|
| 63 | TrieNode<Event<?>> root_br_ra = root_br.getChild(new Event<Object>("r-=-a"));
|
---|
| 64 | TrieNode<Event<?>> root_ca = root.getChild(new Event<Object>("c-=-a"));
|
---|
| 65 | TrieNode<Event<?>> root_ca_ad = root_ca.getChild(new Event<Object>("a-=-d"));
|
---|
| 66 | TrieNode<Event<?>> root_da = root.getChild(new Event<Object>("d-=-a"));
|
---|
| 67 | TrieNode<Event<?>> root_da_ab = root_da.getChild(new Event<Object>("a-=-b"));
|
---|
| 68 | TrieNode<Event<?>> root_ra = root.getChild(new Event<Object>("r-=-a"));
|
---|
| 69 | TrieNode<Event<?>> root_ra_ac = root_ra.getChild(new Event<Object> ("a-=-c"));
|
---|
| 70 | TrieNode<Event<?>> root_ra_aEnd = root_ra.getChild(new Event<Object>("a-=-END"));
|
---|
| 71 | TrieNode<Event<?>> root_startA = root.getChild(new Event<Object>("START-=-a"));
|
---|
| 72 | TrieNode<Event<?>> root_startA_ab = root_startA.getChild(new Event<Object>("a-=-b"));
|
---|
| 73 |
|
---|
| 74 | assertEquals(1, root_aEnd.getCount());
|
---|
| 75 | assertTrue(root_aEnd.isLeaf());
|
---|
| 76 | assertEquals(2, root_ab.getCount());
|
---|
| 77 | assertEquals(1, root_ab.getChildren().size());
|
---|
| 78 | assertEquals(2, root_ab_br.getCount());
|
---|
| 79 | assertTrue(root_ab_br.isLeaf());
|
---|
| 80 | assertEquals(1, root_ac.getCount());
|
---|
| 81 | assertEquals(1, root_ac.getChildren().size());
|
---|
| 82 | assertEquals(1, root_ac_ca.getCount());
|
---|
| 83 | assertTrue(root_ac_ca.isLeaf());
|
---|
| 84 | assertEquals(1, root_ad.getCount());
|
---|
| 85 | assertEquals(1, root_ad.getChildren().size());
|
---|
| 86 | assertEquals(1, root_ad_da.getCount());
|
---|
| 87 | assertTrue(root_ad_da.isLeaf());
|
---|
| 88 | assertEquals(2, root_br.getCount());
|
---|
| 89 | assertEquals(1, root_br.getChildren().size());
|
---|
| 90 | assertEquals(2, root_br_ra.getCount());
|
---|
| 91 | assertTrue(root_br_ra.isLeaf());
|
---|
| 92 | assertEquals(1, root_ca.getCount());
|
---|
| 93 | assertEquals(1, root_ca.getChildren().size());
|
---|
| 94 | assertEquals(1, root_ca_ad.getCount());
|
---|
| 95 | assertTrue(root_ca_ad.isLeaf());
|
---|
| 96 | assertEquals(1, root_da.getCount());
|
---|
| 97 | assertEquals(1, root_da.getChildren().size());
|
---|
| 98 | assertEquals(1, root_da_ab.getCount());
|
---|
| 99 | assertTrue(root_da_ab.isLeaf());
|
---|
| 100 | assertEquals(2, root_ra.getCount());
|
---|
| 101 | assertEquals(2, root_ra.getChildren().size());
|
---|
| 102 | assertEquals(1, root_ra_ac.getCount());
|
---|
| 103 | assertTrue(root_ra_ac.isLeaf());
|
---|
| 104 | assertEquals(1, root_ra_aEnd.getCount());
|
---|
| 105 | assertTrue(root_ra_aEnd.isLeaf());
|
---|
| 106 | assertEquals(1, root_startA.getCount());
|
---|
| 107 | assertEquals(1, root_startA.getChildren().size());
|
---|
| 108 | assertEquals(1, root_startA_ab.getCount());
|
---|
| 109 | assertTrue(root_startA_ab.isLeaf());
|
---|
| 110 | }
|
---|
| 111 |
|
---|
| 112 | @Test
|
---|
| 113 | public void testFlattenPredictionByPartialMatch_1()
|
---|
| 114 | throws Exception {
|
---|
| 115 | ModelFlattener fixture = new ModelFlattener();
|
---|
| 116 | PredictionByPartialMatch model = new PredictionByPartialMatch(1, new Random());
|
---|
| 117 |
|
---|
| 118 | FirstOrderMarkovModel result = fixture.flattenPredictionByPartialMatch(model);
|
---|
| 119 |
|
---|
| 120 | assertEquals(null, result);
|
---|
| 121 | }
|
---|
| 122 |
|
---|
| 123 | @Before
|
---|
| 124 | public void setUp()
|
---|
| 125 | throws Exception {
|
---|
| 126 | sequence = new ArrayList<Event<?>>();
|
---|
| 127 | sequence.add(new Event<String>("a"));
|
---|
| 128 | sequence.add(new Event<String>("b"));
|
---|
| 129 | sequence.add(new Event<String>("r"));
|
---|
| 130 | sequence.add(new Event<String>("a"));
|
---|
| 131 | sequence.add(new Event<String>("c"));
|
---|
| 132 | sequence.add(new Event<String>("a"));
|
---|
| 133 | sequence.add(new Event<String>("d"));
|
---|
| 134 | sequence.add(new Event<String>("a"));
|
---|
| 135 | sequence.add(new Event<String>("b"));
|
---|
| 136 | sequence.add(new Event<String>("r"));
|
---|
| 137 | sequence.add(new Event<String>("a"));
|
---|
| 138 | }
|
---|
| 139 |
|
---|
| 140 | public static void main(String[] args) {
|
---|
| 141 | new org.junit.runner.JUnitCore().run(ModelFlattenerTest.class);
|
---|
| 142 | }
|
---|
| 143 | } |
---|