[518] | 1 | package de.ugoe.cs.quest.usageprofiles;
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| 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 |
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| 7 | import de.ugoe.cs.quest.eventcore.Event;
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| 8 | import de.ugoe.cs.quest.usageprofiles.DeterministicFiniteAutomaton;
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[548] | 9 | import de.ugoe.cs.quest.usageprofiles.mock.StringEventType;
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[518] | 10 |
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| 11 | import java.util.Random;
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| 12 | import org.junit.*;
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| 13 |
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| 14 | import static org.junit.Assert.*;
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| 15 |
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| 16 | /**
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| 17 | * The class <code>DeterministicFiniteAutomatonTest</code> contains tests for
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| 18 | * the class <code>{@link DeterministicFiniteAutomaton}</code>.
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| 19 | *
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| 20 | * @author Steffen Herbold
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| 21 | * @version 1.0
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| 22 | */
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| 23 | public class DeterministicFiniteAutomatonTest {
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| 24 |
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[548] | 25 | Collection<List<Event>> sequences;
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[518] | 26 |
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| 27 | @Test
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| 28 | public void testDeterministicFiniteAutomaton_1() throws Exception {
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| 29 | Random r = new Random();
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| 30 |
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| 31 | DeterministicFiniteAutomaton result = new DeterministicFiniteAutomaton(
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| 32 | r);
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| 33 |
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| 34 | assertNotNull(result);
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| 35 | assertEquals(2, result.trieOrder);
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| 36 | }
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| 37 |
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| 38 | @Test(expected = java.security.InvalidParameterException.class)
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| 39 | public void testDeterministicFiniteAutomaton_2() throws Exception {
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| 40 | new DeterministicFiniteAutomaton(null);
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| 41 | }
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| 42 |
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| 43 | @Test
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| 44 | public void testGetProbability_1() throws Exception {
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| 45 | DeterministicFiniteAutomaton fixture = new DeterministicFiniteAutomaton(
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| 46 | new Random());
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| 47 | fixture.train(sequences);
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| 48 |
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[548] | 49 | List<Event> context = new ArrayList<Event>();
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| 50 | context.add(new Event(new StringEventType("a")));
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| 51 | context.add(new Event(new StringEventType("b")));
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[518] | 52 |
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[548] | 53 | Event symbol = new Event(new StringEventType("r"));
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[518] | 54 |
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| 55 | double result = fixture.getProbability(context, symbol);
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| 56 |
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| 57 | assertEquals(1.0d, result, 0.0001);
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| 58 | }
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| 59 |
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| 60 | @Test
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| 61 | public void testGetProbability_2() throws Exception {
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| 62 | DeterministicFiniteAutomaton fixture = new DeterministicFiniteAutomaton(
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| 63 | new Random());
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| 64 | fixture.train(sequences);
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| 65 |
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[548] | 66 | List<Event> context = new ArrayList<Event>();
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| 67 | context.add(new Event(new StringEventType("a")));
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[518] | 68 |
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[548] | 69 | Event symbol = new Event(new StringEventType("b"));
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[518] | 70 |
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| 71 | double result = fixture.getProbability(context, symbol);
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| 72 |
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| 73 | assertEquals(1.0d / 4.0, result, 0.0001);
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| 74 | }
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| 75 |
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| 76 | @Test
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| 77 | public void testGetProbability_3() throws Exception {
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| 78 | DeterministicFiniteAutomaton fixture = new DeterministicFiniteAutomaton(
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| 79 | new Random());
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| 80 | fixture.train(sequences);
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| 81 |
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[548] | 82 | List<Event> context = new ArrayList<Event>();
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| 83 | context.add(new Event(new StringEventType("a")));
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[518] | 84 |
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[548] | 85 | Event symbol = new Event(new StringEventType("c"));
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[518] | 86 |
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| 87 | double result = fixture.getProbability(context, symbol);
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| 88 |
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| 89 | assertEquals(1.0d / 4.0, result, 0.0001);
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| 90 | }
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| 91 |
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| 92 | @Test
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| 93 | public void testGetProbability_4() throws Exception {
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| 94 | DeterministicFiniteAutomaton fixture = new DeterministicFiniteAutomaton(
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| 95 | new Random());
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| 96 | fixture.train(sequences);
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| 97 |
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[548] | 98 | List<Event> context = new ArrayList<Event>();
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| 99 | context.add(new Event(new StringEventType("a")));
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[518] | 100 |
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[548] | 101 | Event symbol = new Event(new StringEventType("e"));
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[518] | 102 |
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| 103 | double result = fixture.getProbability(context, symbol);
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| 104 |
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| 105 | assertEquals(0.0d, result, 0.0001);
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| 106 | }
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| 107 |
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| 108 | @Test(expected = java.security.InvalidParameterException.class)
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| 109 | public void testGetProbability_5() throws Exception {
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| 110 | DeterministicFiniteAutomaton fixture = new DeterministicFiniteAutomaton(
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| 111 | new Random());
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| 112 | fixture.train(sequences);
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| 113 |
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[548] | 114 | List<Event> context = new ArrayList<Event>();
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| 115 | context.add(new Event(new StringEventType("a")));
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[518] | 116 |
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[548] | 117 | Event symbol = null;
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[518] | 118 |
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| 119 | fixture.getProbability(context, symbol);
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| 120 | }
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| 121 |
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| 122 | @Test(expected = java.security.InvalidParameterException.class)
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| 123 | public void testGetProbability_6() throws Exception {
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| 124 | DeterministicFiniteAutomaton fixture = new DeterministicFiniteAutomaton(
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| 125 | new Random());
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| 126 | fixture.train(sequences);
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| 127 |
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[548] | 128 | List<Event> context = null;
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[518] | 129 |
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[548] | 130 | Event symbol = new Event(new StringEventType("a"));
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[518] | 131 |
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| 132 | fixture.getProbability(context, symbol);
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| 133 | }
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| 134 |
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| 135 | @Before
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| 136 | public void setUp() throws Exception {
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[548] | 137 | List<Event> sequence = new ArrayList<Event>();
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| 138 | sequence.add(new Event(new StringEventType("a")));
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| 139 | sequence.add(new Event(new StringEventType("b")));
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| 140 | sequence.add(new Event(new StringEventType("r")));
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| 141 | sequence.add(new Event(new StringEventType("a")));
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| 142 | sequence.add(new Event(new StringEventType("c")));
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| 143 | sequence.add(new Event(new StringEventType("a")));
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| 144 | sequence.add(new Event(new StringEventType("d")));
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| 145 | sequence.add(new Event(new StringEventType("a")));
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| 146 | sequence.add(new Event(new StringEventType("b")));
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| 147 | sequence.add(new Event(new StringEventType("r")));
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| 148 | sequence.add(new Event(new StringEventType("a")));
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[518] | 149 |
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[548] | 150 | sequences = new ArrayList<List<Event>>();
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[518] | 151 | sequences.add(sequence);
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| 152 | }
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| 153 |
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| 154 | public static void main(String[] args) {
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| 155 | new org.junit.runner.JUnitCore()
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| 156 | .run(DeterministicFiniteAutomatonTest.class);
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| 157 | }
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| 158 | } |
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