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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15 | package de.ugoe.cs.autoquest.usageprofiles;
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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.HashSet;
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20 | import java.util.List;
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21 |
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22 | import junitx.framework.ListAssert;
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23 |
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24 | import org.junit.*;
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25 |
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26 | import de.ugoe.cs.autoquest.usageprofiles.Trie;
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27 | import de.ugoe.cs.autoquest.usageprofiles.TrieNode;
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28 | import de.ugoe.cs.autoquest.usageprofiles.Trie.Edge;
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29 | import de.ugoe.cs.autoquest.usageprofiles.Trie.TrieVertex;
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30 | import static org.junit.Assert.*;
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31 |
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32 | /**
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33 | * The class <code>TrieTest</code> contains tests for the class
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34 | * <code>{@link Trie}</code>.
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35 | *
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36 | * @author Steffen Herbold
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37 | * @version 1.0
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38 | */
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39 | public class TrieTest {
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40 |
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41 | List<String> sequence;
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42 | Collection<String> symbols;
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43 |
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44 | private static void assertCollectionContent(Collection<?> c1,
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45 | Collection<?> c2) {
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46 | assertEquals(c1.size(), c2.size());
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47 | for (Object obj : c1) {
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48 | assertTrue(c2.contains(obj));
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49 | }
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50 | }
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51 |
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52 | @Test
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53 | public void testTrie_1() throws Exception {
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54 |
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55 | Trie<String> result = new Trie<String>();
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56 |
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57 | assertNotNull(result);
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58 | assertEquals(0, result.getNumLeafs());
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59 | assertEquals(0, result.getNumSymbols());
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60 | assertEquals(0, result.getNumLeafAncestors());
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61 | assertTrue(result.getKnownSymbols().isEmpty());
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62 | }
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63 |
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64 | @Test
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65 | public void testTrie_2() throws Exception {
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66 | Trie<String> trie1 = new Trie<String>();
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67 | trie1.train(sequence, 3);
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68 |
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69 | Trie<String> result = new Trie<String>(trie1);
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70 |
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71 | assertEquals(trie1, result);
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72 | assertNotSame(trie1, result);
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73 | }
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74 |
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75 | @Test(expected = java.lang.IllegalArgumentException.class)
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76 | public void testTrie_3() throws Exception {
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77 | new Trie<String>((SymbolComparator<String>) null);
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78 | }
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79 |
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80 | @Test(expected = java.lang.IllegalArgumentException.class)
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81 | public void testTrie_4() throws Exception {
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82 | new Trie<String>((Trie<String>) null);
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83 | }
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84 |
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85 | @Test
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86 | public void testAdd_1() throws Exception {
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87 | Trie<String> fixture = new Trie<String>();
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88 | List<String> seq = new ArrayList<String>();
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89 | seq.add("a");
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90 | seq.add("b");
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91 |
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92 | fixture.add(seq);
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93 |
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94 | assertEquals(1, fixture.getChild("a").getCount());
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95 | assertEquals(1, fixture.getChild("a").getChild("b").getCount());
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96 | assertNull(fixture.getChild("b"));
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97 | }
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98 |
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99 | @Test
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100 | public void testAdd_2() throws Exception {
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101 | Trie<String> fixture = new Trie<String>();
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102 |
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103 | fixture.add(new ArrayList<String>());
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104 |
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105 | assertEquals(0, fixture.getNumSymbols());
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106 | }
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107 |
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108 | @Test
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109 | public void testAdd_3() throws Exception {
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110 | Trie<String> fixture = new Trie<String>();
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111 |
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112 | fixture.add(null);
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113 |
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114 | assertEquals(0, fixture.getNumSymbols());
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115 | }
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116 |
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117 | @Test
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118 | public void testFind_1() throws Exception {
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119 | Trie<String> fixture = new Trie<String>();
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120 | fixture.train(sequence, 3);
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121 | List<String> findSequence = new ArrayList<String>();
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122 | findSequence.add("a");
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123 | findSequence.add("b");
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124 | findSequence.add("r");
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125 | TrieNode<String> expected = fixture.getChild("a").getChild("b")
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126 | .getChild("r");
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127 |
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128 | TrieNode<String> result = fixture.find(findSequence);
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129 |
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130 | assertEquals(expected, result);
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131 | }
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132 |
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133 | @Test
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134 | public void testFind_2() throws Exception {
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135 | Trie<String> fixture = new Trie<String>();
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136 | fixture.train(sequence, 3);
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137 | List<String> findSequence = new ArrayList<String>();
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138 | findSequence.add("c");
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139 | findSequence.add("a");
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140 | TrieNode<String> expected = fixture.getChild("c").getChild("a");
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141 |
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142 | TrieNode<String> result = fixture.find(findSequence);
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143 |
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144 | assertEquals(expected, result);
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145 | }
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146 |
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147 | @Test
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148 | public void testFind_3() throws Exception {
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149 | Trie<String> fixture = new Trie<String>();
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150 | fixture.train(sequence, 3);
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151 | List<String> findSequence = new ArrayList<String>();
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152 |
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153 | TrieNode<String> result = fixture.find(findSequence);
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154 |
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155 | assertTrue(result.isRoot());
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156 | }
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157 |
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158 | @Test
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159 | public void testFind_4() throws Exception {
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160 | Trie<String> fixture = new Trie<String>();
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161 | fixture.train(sequence, 3);
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162 |
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163 | TrieNode<String> result = fixture.find(null);
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164 |
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165 | assertTrue(result.isRoot());
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166 | }
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167 |
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168 | @Test
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169 | public void testGetChildCreate_1() throws Exception {
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170 | Trie<String> fixture = new Trie<String>();
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171 | String symbol = "a";
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172 |
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173 | TrieNode<String> result = fixture.getChildCreate(symbol);
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174 |
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175 | assertEquals(symbol, result.getSymbol());
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176 | assertEquals(0, result.getCount());
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177 | assertTrue(result.isLeaf());
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178 | }
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179 |
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180 | @Test(expected = java.lang.IllegalArgumentException.class)
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181 | public void testGetChildCreate_2() throws Exception {
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182 | Trie<String> fixture = new Trie<String>();
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183 | fixture.getChildCreate(null);
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184 | }
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185 |
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186 | @Test
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187 | public void testGetContextSuffix_1() throws Exception {
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188 | Trie<String> fixture = new Trie<String>();
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189 | fixture.train(sequence, 3);
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190 | List<String> context = new ArrayList<String>();
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191 | context.add("a");
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192 | context.add("a");
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193 | context.add("b");
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194 | List<String> expected = new ArrayList<String>();
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195 | expected.add("a");
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196 | expected.add("b");
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197 |
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198 | List<String> result = fixture.getContextSuffix(context);
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199 |
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200 | ListAssert.assertEquals(expected, result);
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201 | }
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202 |
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203 | @Test
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204 | public void testGetContextSuffix_2() throws Exception {
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205 | Trie<String> fixture = new Trie<String>();
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206 | fixture.train(sequence, 3);
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207 | List<String> context = new ArrayList<String>();
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208 | context.add("a");
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209 | context.add("a");
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210 | context.add("b");
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211 | context.add("r");
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212 | List<String> expected = new ArrayList<String>();
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213 | expected.add("b");
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214 | expected.add("r");
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215 |
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216 | List<String> result = fixture.getContextSuffix(context);
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217 |
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218 | ListAssert.assertEquals(expected, result);
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219 | }
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220 |
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221 | @Test
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222 | public void testGetContextSuffix_3() throws Exception {
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223 | Trie<String> fixture = new Trie<String>();
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224 | fixture.train(sequence, 3);
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225 | List<String> context = new ArrayList<String>();
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226 | context.add("a");
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227 | context.add("a");
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228 | context.add("b");
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229 | context.add("x");
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230 | List<String> expected = new ArrayList<String>();
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231 |
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232 | List<String> result = fixture.getContextSuffix(context);
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233 |
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234 | ListAssert.assertEquals(expected, result);
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235 | }
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236 |
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237 | @Test
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238 | public void testGetContextSuffix_4() throws Exception {
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239 | Trie<String> fixture = new Trie<String>();
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240 |
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241 | List<String> result = fixture.getContextSuffix(null);
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242 |
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243 | // add additional test code here
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244 | assertNotNull(result);
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245 | assertEquals(0, result.size());
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246 | }
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247 |
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248 | @Test
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249 | public void testGetContextSuffix_5() throws Exception {
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250 | Trie<String> fixture = new Trie<String>();
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251 | fixture.train(sequence, 3);
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252 | List<String> context = new ArrayList<String>();
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253 | context.add("a");
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254 | context.add("a");
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255 | context.add("b");
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256 | List<String> expected = new ArrayList<String>();
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257 | expected.add("a");
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258 | expected.add("b");
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259 |
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260 | List<String> result = fixture.getContextSuffix(context);
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261 |
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262 | ListAssert.assertEquals(expected, result);
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263 | }
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264 |
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265 | @Test
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266 | public void testGetSequencesWithMostOccurrences_1() throws Exception {
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267 | Trie<String> fixture = new Trie<String>();
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268 | fixture.train(sequence, 3);
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269 |
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270 | // get all sequences with a minimal length of one that occur most often
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271 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(1, 0);
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272 |
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273 | assertEquals(1, result.size());
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274 |
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275 | List<String> expected = new ArrayList<String>();
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276 | expected.add("a");
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277 |
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278 | ListAssert.assertEquals(expected, result.iterator().next());
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279 | }
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280 |
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281 | @Test
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282 | public void testGetSequencesWithMostOccurrences_2() throws Exception {
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283 | Trie<String> fixture = new Trie<String>();
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284 | fixture.train(sequence, 3);
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285 |
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286 | // get all sequences with a minimal length of one that occur exactly once
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287 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(1, 1);
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288 |
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289 | assertEquals(11, result.size());
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290 |
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291 | List<String> expected = new ArrayList<String>();
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292 | expected.add("r");
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293 | expected.add("a");
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294 | expected.add("c");
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295 | // rac
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296 | ListAssert.assertContains((List<List<String>>) result, expected);
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297 |
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298 | expected.clear();
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299 | expected.add("a");
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300 | expected.add("c");
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301 | // ac
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302 | ListAssert.assertContains((List<List<String>>) result, expected);
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303 |
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304 | expected.add("a");
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305 | // aca
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306 | ListAssert.assertContains((List<List<String>>) result, expected);
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307 |
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308 | expected.clear();
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309 | expected.add("c");
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310 | // c
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311 | ListAssert.assertContains((List<List<String>>) result, expected);
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312 |
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313 | expected.add("a");
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314 | // ca
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315 | ListAssert.assertContains((List<List<String>>) result, expected);
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316 |
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317 | expected.add("d");
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318 | // cad
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319 | ListAssert.assertContains((List<List<String>>) result, expected);
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320 |
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321 | expected.clear();
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322 | expected.add("a");
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323 | expected.add("d");
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324 | // ad
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325 | ListAssert.assertContains((List<List<String>>) result, expected);
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326 |
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327 | expected.add("a");
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328 | // ada
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329 | ListAssert.assertContains((List<List<String>>) result, expected);
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330 |
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331 | expected.clear();
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332 | expected.add("d");
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333 | // d
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334 | ListAssert.assertContains((List<List<String>>) result, expected);
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335 |
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336 | expected.add("a");
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337 | // da
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338 | ListAssert.assertContains((List<List<String>>) result, expected);
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339 |
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340 | expected.add("b");
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341 | // dab
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342 | ListAssert.assertContains((List<List<String>>) result, expected);
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343 | }
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344 |
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345 | @Test
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346 | public void testGetSequencesWithMostOccurrences_3() throws Exception {
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347 | Trie<String> fixture = new Trie<String>();
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348 | fixture.train(sequence, 3);
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349 |
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350 | // get all sequences with a minimal length of one that occur exactly twice
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351 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(1, 2);
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352 |
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353 | assertEquals(7, result.size());
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354 |
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355 | List<String> expected = new ArrayList<String>();
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356 | expected.add("a");
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357 | expected.add("b");
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358 | // ab
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359 | ListAssert.assertContains((List<List<String>>) result, expected);
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360 |
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361 | expected.add("r");
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362 | // abr
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363 | ListAssert.assertContains((List<List<String>>) result, expected);
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364 |
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365 | expected.clear();
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366 | expected.add("b");
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367 | // b
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368 | ListAssert.assertContains((List<List<String>>) result, expected);
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369 |
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370 | expected.add("r");
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371 | // br
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372 | ListAssert.assertContains((List<List<String>>) result, expected);
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373 |
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374 | expected.add("a");
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375 | // bra
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376 | ListAssert.assertContains((List<List<String>>) result, expected);
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377 |
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378 | expected.clear();
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379 | expected.add("r");
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380 | // r
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381 | ListAssert.assertContains((List<List<String>>) result, expected);
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382 |
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383 | expected.add("a");
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384 | // ra
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385 | ListAssert.assertContains((List<List<String>>) result, expected);
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386 | }
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387 |
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388 | @Test
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389 | public void testGetSequencesWithMostOccurrences_4() throws Exception {
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390 | Trie<String> fixture = new Trie<String>();
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391 | fixture.train(sequence, 3);
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392 |
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393 | // get all sequences with a minimal length of one that occur exactly three times
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394 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(1, 3);
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395 |
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396 | assertEquals(0, result.size());
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397 | }
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398 |
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399 | @Test
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400 | public void testGetSequencesWithMostOccurrences_5() throws Exception {
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401 | Trie<String> fixture = new Trie<String>();
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402 | fixture.train(sequence, 3);
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403 |
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404 | // get all sequences with a minimal length of one that occur exactly four times
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405 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(1, 4);
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406 |
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407 | assertEquals(0, result.size());
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408 | }
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409 |
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410 | @Test
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411 | public void testGetSequencesWithMostOccurrences_6() throws Exception {
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412 | Trie<String> fixture = new Trie<String>();
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413 | fixture.train(sequence, 3);
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414 |
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415 | // get all sequences with a minimal length of one that occur exactly five times
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416 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(1, 5);
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417 |
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418 | assertEquals(1, result.size());
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419 |
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420 | List<String> expected = new ArrayList<String>();
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421 | expected.add("a");
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422 | ListAssert.assertContains((List<List<String>>) result, expected);
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423 | }
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424 |
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425 | @Test
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426 | public void testGetSequencesWithMostOccurrences_7() throws Exception {
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427 | Trie<String> fixture = new Trie<String>();
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428 | fixture.train(sequence, 3);
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429 |
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430 | // get all sequences with a minimal length of two that occur most often
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431 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(2, 0);
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432 |
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433 | assertEquals(5, result.size());
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434 |
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435 | List<String> expected = new ArrayList<String>();
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436 | expected.add("a");
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437 | expected.add("b");
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438 | ListAssert.assertContains((List<List<String>>) result, expected);
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439 |
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440 | expected.add("r");
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441 | ListAssert.assertContains((List<List<String>>) result, expected);
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442 |
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443 | expected.clear();
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444 | expected.add("b");
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445 | expected.add("r");
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446 | ListAssert.assertContains((List<List<String>>) result, expected);
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447 |
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448 | expected.add("a");
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449 | ListAssert.assertContains((List<List<String>>) result, expected);
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450 |
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451 | expected.clear();
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452 | expected.add("r");
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453 | expected.add("a");
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454 | ListAssert.assertContains((List<List<String>>) result, expected);
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455 | }
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456 |
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457 | @Test
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458 | public void testGetSequencesWithMostOccurrences_8() throws Exception {
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459 | Trie<String> fixture = new Trie<String>();
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460 | fixture.train(sequence, 3);
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461 |
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462 | // get all sequences with a minimal length of two that occur exactly once
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463 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(2, 1);
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464 |
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465 | assertEquals(9, result.size());
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466 |
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467 | List<String> expected = new ArrayList<String>();
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468 | expected.add("r");
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469 | expected.add("a");
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470 | expected.add("c");
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471 | // rac
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472 | ListAssert.assertContains((List<List<String>>) result, expected);
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473 |
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474 | expected.clear();
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475 | expected.add("a");
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476 | expected.add("c");
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477 | // ac
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478 | ListAssert.assertContains((List<List<String>>) result, expected);
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479 |
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480 | expected.add("a");
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481 | // aca
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482 | ListAssert.assertContains((List<List<String>>) result, expected);
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483 |
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484 | expected.clear();
|
---|
485 | expected.add("c");
|
---|
486 | expected.add("a");
|
---|
487 | // ca
|
---|
488 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
489 |
|
---|
490 | expected.add("d");
|
---|
491 | // cad
|
---|
492 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
493 |
|
---|
494 | expected.clear();
|
---|
495 | expected.add("a");
|
---|
496 | expected.add("d");
|
---|
497 | // ad
|
---|
498 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
499 |
|
---|
500 | expected.add("a");
|
---|
501 | // ada
|
---|
502 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
503 |
|
---|
504 | expected.clear();
|
---|
505 | expected.add("d");
|
---|
506 | expected.add("a");
|
---|
507 | // da
|
---|
508 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
509 |
|
---|
510 | expected.add("b");
|
---|
511 | // dab
|
---|
512 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
513 | }
|
---|
514 |
|
---|
515 | @Test
|
---|
516 | public void testGetSequencesWithMostOccurrences_9() throws Exception {
|
---|
517 | Trie<String> fixture = new Trie<String>();
|
---|
518 | fixture.train(sequence, 3);
|
---|
519 |
|
---|
520 | // get all sequences with a minimal length of two that occur exactly twice
|
---|
521 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(2, 2);
|
---|
522 |
|
---|
523 | assertEquals(5, result.size());
|
---|
524 |
|
---|
525 | List<String> expected = new ArrayList<String>();
|
---|
526 | expected.add("a");
|
---|
527 | expected.add("b");
|
---|
528 | // ab
|
---|
529 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
530 |
|
---|
531 | expected.add("r");
|
---|
532 | // abr
|
---|
533 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
534 |
|
---|
535 | expected.clear();
|
---|
536 | expected.add("b");
|
---|
537 | expected.add("r");
|
---|
538 | // br
|
---|
539 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
540 |
|
---|
541 | expected.add("a");
|
---|
542 | // bra
|
---|
543 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
544 |
|
---|
545 | expected.clear();
|
---|
546 | expected.add("r");
|
---|
547 | expected.add("a");
|
---|
548 | // ra
|
---|
549 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
550 | }
|
---|
551 |
|
---|
552 | @Test
|
---|
553 | public void testGetSequencesWithMostOccurrences_10() throws Exception {
|
---|
554 | Trie<String> fixture = new Trie<String>();
|
---|
555 | fixture.train(sequence, 3);
|
---|
556 |
|
---|
557 | // get all sequences with a minimal length of two that occur exactly three times
|
---|
558 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(2, 3);
|
---|
559 |
|
---|
560 | assertEquals(0, result.size());
|
---|
561 | }
|
---|
562 |
|
---|
563 | @Test
|
---|
564 | public void testGetSequencesWithMostOccurrences_11() throws Exception {
|
---|
565 | Trie<String> fixture = new Trie<String>();
|
---|
566 | fixture.train(sequence, 3);
|
---|
567 |
|
---|
568 | // get all sequences with a minimal length of three that occur most often
|
---|
569 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(3, 0);
|
---|
570 |
|
---|
571 | assertEquals(2, result.size());
|
---|
572 |
|
---|
573 | List<String> expected = new ArrayList<String>();
|
---|
574 | expected.add("a");
|
---|
575 | expected.add("b");
|
---|
576 | expected.add("r");
|
---|
577 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
578 |
|
---|
579 | expected.clear();
|
---|
580 | expected.add("b");
|
---|
581 | expected.add("r");
|
---|
582 | expected.add("a");
|
---|
583 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
584 | }
|
---|
585 |
|
---|
586 | @Test
|
---|
587 | public void testGetSequencesWithMostOccurrences_12() throws Exception {
|
---|
588 | Trie<String> fixture = new Trie<String>();
|
---|
589 | fixture.train(sequence, 3);
|
---|
590 |
|
---|
591 | // get all sequences with a minimal length of three that occur exactly once
|
---|
592 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(3, 1);
|
---|
593 |
|
---|
594 | assertEquals(5, result.size());
|
---|
595 |
|
---|
596 | List<String> expected = new ArrayList<String>();
|
---|
597 | expected.add("r");
|
---|
598 | expected.add("a");
|
---|
599 | expected.add("c");
|
---|
600 | // rac
|
---|
601 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
602 |
|
---|
603 | expected.clear();
|
---|
604 | expected.add("a");
|
---|
605 | expected.add("c");
|
---|
606 | expected.add("a");
|
---|
607 | // aca
|
---|
608 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
609 |
|
---|
610 | expected.clear();
|
---|
611 | expected.add("c");
|
---|
612 | expected.add("a");
|
---|
613 | expected.add("d");
|
---|
614 | // cad
|
---|
615 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
616 |
|
---|
617 | expected.clear();
|
---|
618 | expected.add("a");
|
---|
619 | expected.add("d");
|
---|
620 | expected.add("a");
|
---|
621 | // ada
|
---|
622 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
623 |
|
---|
624 | expected.clear();
|
---|
625 | expected.add("d");
|
---|
626 | expected.add("a");
|
---|
627 | expected.add("b");
|
---|
628 | // dab
|
---|
629 | ListAssert.assertContains((List<List<String>>) result, expected);
|
---|
630 | }
|
---|
631 |
|
---|
632 | @Test
|
---|
633 | public void testGetSequencesWithMostOccurrences_13() throws Exception {
|
---|
634 | Trie<String> fixture = new Trie<String>();
|
---|
635 | fixture.train(sequence, 3);
|
---|
636 |
|
---|
637 | // get all sequences with a minimal length of four that occur most often
|
---|
638 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(4, 0);
|
---|
639 |
|
---|
640 | // none of these exist, as the tree is only trained with sequences of length 3
|
---|
641 | assertEquals(0, result.size());
|
---|
642 | }
|
---|
643 |
|
---|
644 | @Test
|
---|
645 | public void testGetSequencesWithMostOccurrences_14() throws Exception {
|
---|
646 | Trie<String> fixture = new Trie<String>();
|
---|
647 | fixture.train(sequence, 3);
|
---|
648 |
|
---|
649 | // get all sequences with a minimal length of four that occur exactly once
|
---|
650 | Collection<List<String>> result = fixture.getSequencesWithOccurrenceCount(4, 1);
|
---|
651 |
|
---|
652 | // none of these exist, as the tree is only trained with sequences of length 3
|
---|
653 | assertEquals(0, result.size());
|
---|
654 | }
|
---|
655 |
|
---|
656 | @Test
|
---|
657 | public void testGetCount_1() throws Exception {
|
---|
658 | Trie<String> fixture = new Trie<String>();
|
---|
659 | fixture.train(sequence, 3);
|
---|
660 | List<String> subSequence = new ArrayList<String>();
|
---|
661 | subSequence.add("a");
|
---|
662 |
|
---|
663 | int result = fixture.getCount(subSequence);
|
---|
664 |
|
---|
665 | assertEquals(5, result);
|
---|
666 | }
|
---|
667 |
|
---|
668 | @Test
|
---|
669 | public void testGetCount_2() throws Exception {
|
---|
670 | Trie<String> fixture = new Trie<String>();
|
---|
671 | fixture.train(sequence, 3);
|
---|
672 | List<String> subSequence = new ArrayList<String>();
|
---|
673 | subSequence.add("a");
|
---|
674 | subSequence.add("b");
|
---|
675 |
|
---|
676 | int result = fixture.getCount(subSequence);
|
---|
677 |
|
---|
678 | assertEquals(2, result);
|
---|
679 | }
|
---|
680 |
|
---|
681 | @Test
|
---|
682 | public void testGetCount_3() throws Exception {
|
---|
683 | Trie<String> fixture = new Trie<String>();
|
---|
684 | fixture.train(sequence, 3);
|
---|
685 | List<String> subSequence = new ArrayList<String>();
|
---|
686 | subSequence.add("x");
|
---|
687 |
|
---|
688 | int result = fixture.getCount(subSequence);
|
---|
689 |
|
---|
690 | assertEquals(0, result);
|
---|
691 | }
|
---|
692 |
|
---|
693 | @Test
|
---|
694 | public void testGetCount_4() throws Exception {
|
---|
695 | Trie<String> fixture = new Trie<String>();
|
---|
696 | fixture.train(sequence, 3);
|
---|
697 | List<String> subSequence = new ArrayList<String>();
|
---|
698 |
|
---|
699 | int result = fixture.getCount(subSequence, "a");
|
---|
700 |
|
---|
701 | assertEquals(5, result);
|
---|
702 | }
|
---|
703 |
|
---|
704 | @Test
|
---|
705 | public void testGetCount_5() throws Exception {
|
---|
706 | Trie<String> fixture = new Trie<String>();
|
---|
707 | fixture.train(sequence, 3);
|
---|
708 | List<String> subSequence = new ArrayList<String>();
|
---|
709 | subSequence.add("a");
|
---|
710 | subSequence.add("b");
|
---|
711 |
|
---|
712 | int result = fixture.getCount(subSequence, "r");
|
---|
713 |
|
---|
714 | assertEquals(2, result);
|
---|
715 | }
|
---|
716 |
|
---|
717 | @Test
|
---|
718 | public void testGetCount_6() throws Exception {
|
---|
719 | Trie<String> fixture = new Trie<String>();
|
---|
720 | fixture.train(sequence, 3);
|
---|
721 | List<String> subSequence = new ArrayList<String>();
|
---|
722 |
|
---|
723 | int result = fixture.getCount(subSequence, "x");
|
---|
724 |
|
---|
725 | assertEquals(0, result);
|
---|
726 | }
|
---|
727 |
|
---|
728 | @Test
|
---|
729 | public void testGetFollowingSymbols_1() throws Exception {
|
---|
730 | Trie<String> fixture = new Trie<String>();
|
---|
731 | fixture.train(sequence, 3);
|
---|
732 | List<String> subSequence = new ArrayList<String>();
|
---|
733 | subSequence.add("a");
|
---|
734 | Collection<String> expected = new ArrayList<String>();
|
---|
735 | expected.add("b");
|
---|
736 | expected.add("c");
|
---|
737 | expected.add("d");
|
---|
738 |
|
---|
739 | Collection<String> result = fixture.getFollowingSymbols(subSequence);
|
---|
740 |
|
---|
741 | assertCollectionContent(expected, result);
|
---|
742 | }
|
---|
743 |
|
---|
744 | @Test
|
---|
745 | public void testGetFollowingSymbols_2() throws Exception {
|
---|
746 | Trie<String> fixture = new Trie<String>();
|
---|
747 | fixture.train(sequence, 3);
|
---|
748 | List<String> subSequence = new ArrayList<String>();
|
---|
749 | subSequence.add("a");
|
---|
750 | subSequence.add("b");
|
---|
751 | subSequence.add("r");
|
---|
752 |
|
---|
753 | Collection<String> result = fixture.getFollowingSymbols(subSequence);
|
---|
754 |
|
---|
755 | assertEquals(0, result.size());
|
---|
756 | }
|
---|
757 |
|
---|
758 | @Test
|
---|
759 | public void testGetFollowingSymbols_3() throws Exception {
|
---|
760 | Trie<String> fixture = new Trie<String>();
|
---|
761 | fixture.train(sequence, 3);
|
---|
762 | List<String> subSequence = new ArrayList<String>();
|
---|
763 | subSequence.add("x");
|
---|
764 |
|
---|
765 | Collection<String> result = fixture.getFollowingSymbols(subSequence);
|
---|
766 |
|
---|
767 | assertEquals(0, result.size());
|
---|
768 | }
|
---|
769 |
|
---|
770 | @Test
|
---|
771 | public void testGetNumLeafAncestors_1() throws Exception {
|
---|
772 | Trie<String> fixture = new Trie<String>();
|
---|
773 | fixture.train(sequence, 3);
|
---|
774 |
|
---|
775 | int result = fixture.getNumLeafAncestors();
|
---|
776 |
|
---|
777 | assertEquals(7, result);
|
---|
778 | }
|
---|
779 |
|
---|
780 | @Test
|
---|
781 | public void testGetNumLeafs_1() throws Exception {
|
---|
782 | Trie<String> fixture = new Trie<String>();
|
---|
783 | fixture.train(sequence, 3);
|
---|
784 |
|
---|
785 | int result = fixture.getNumLeafs();
|
---|
786 |
|
---|
787 | assertEquals(7, result);
|
---|
788 | }
|
---|
789 |
|
---|
790 | @Test
|
---|
791 | public void testGetNumSymbols_1() throws Exception {
|
---|
792 | Trie<String> fixture = new Trie<String>();
|
---|
793 | fixture.train(sequence, 3);
|
---|
794 |
|
---|
795 | int result = fixture.getNumSymbols();
|
---|
796 |
|
---|
797 | assertEquals(5, result);
|
---|
798 | }
|
---|
799 |
|
---|
800 | @Test
|
---|
801 | public void testTrain_1() throws Exception {
|
---|
802 | Trie<String> fixture = new Trie<String>();
|
---|
803 | int maxOrder = 3;
|
---|
804 |
|
---|
805 | fixture.train(sequence, maxOrder);
|
---|
806 |
|
---|
807 | // check if symbols are correct
|
---|
808 | assertCollectionContent(symbols, fixture.getKnownSymbols());
|
---|
809 |
|
---|
810 | // check if counters are correct and only the correct nodes exist
|
---|
811 | TrieNode<String> root = fixture.find(new ArrayList<String>());
|
---|
812 | TrieNode<String> root_a = root.getChild("a");
|
---|
813 | TrieNode<String> root_a_a = root_a.getChild("a");
|
---|
814 | TrieNode<String> root_a_b = root_a.getChild("b");
|
---|
815 | TrieNode<String> root_a_b_a = root_a_b.getChild("a");
|
---|
816 | TrieNode<String> root_a_b_b = root_a_b.getChild("b");
|
---|
817 | TrieNode<String> root_a_b_c = root_a_b.getChild("c");
|
---|
818 | TrieNode<String> root_a_b_d = root_a_b.getChild("d");
|
---|
819 | TrieNode<String> root_a_b_r = root_a_b.getChild("r");
|
---|
820 | TrieNode<String> root_a_c = root_a.getChild("c");
|
---|
821 | TrieNode<String> root_a_c_a = root_a_c.getChild("a");
|
---|
822 | TrieNode<String> root_a_c_b = root_a_c.getChild("b");
|
---|
823 | TrieNode<String> root_a_c_c = root_a_c.getChild("c");
|
---|
824 | TrieNode<String> root_a_c_d = root_a_c.getChild("d");
|
---|
825 | TrieNode<String> root_a_c_r = root_a_c.getChild("r");
|
---|
826 | TrieNode<String> root_a_d = root_a.getChild("d");
|
---|
827 | TrieNode<String> root_a_d_a = root_a_d.getChild("a");
|
---|
828 | TrieNode<String> root_a_d_b = root_a_d.getChild("b");
|
---|
829 | TrieNode<String> root_a_d_c = root_a_d.getChild("c");
|
---|
830 | TrieNode<String> root_a_d_d = root_a_d.getChild("d");
|
---|
831 | TrieNode<String> root_a_d_r = root_a_d.getChild("r");
|
---|
832 | TrieNode<String> root_a_r = root_a.getChild("r");
|
---|
833 | TrieNode<String> root_b = root.getChild("b");
|
---|
834 | TrieNode<String> root_b_a = root_b.getChild("a");
|
---|
835 | TrieNode<String> root_b_b = root_b.getChild("b");
|
---|
836 | TrieNode<String> root_b_c = root_b.getChild("c");
|
---|
837 | TrieNode<String> root_b_d = root_b.getChild("d");
|
---|
838 | TrieNode<String> root_b_r = root_b.getChild("r");
|
---|
839 | TrieNode<String> root_b_r_a = root_b_r.getChild("a");
|
---|
840 | TrieNode<String> root_b_r_b = root_b_r.getChild("b");
|
---|
841 | TrieNode<String> root_b_r_c = root_b_r.getChild("c");
|
---|
842 | TrieNode<String> root_b_r_d = root_b_r.getChild("d");
|
---|
843 | TrieNode<String> root_b_r_r = root_b_r.getChild("r");
|
---|
844 | TrieNode<String> root_c = root.getChild("c");
|
---|
845 | TrieNode<String> root_c_a = root_c.getChild("a");
|
---|
846 | TrieNode<String> root_c_a_a = root_c_a.getChild("a");
|
---|
847 | TrieNode<String> root_c_a_b = root_c_a.getChild("b");
|
---|
848 | TrieNode<String> root_c_a_c = root_c_a.getChild("c");
|
---|
849 | TrieNode<String> root_c_a_d = root_c_a.getChild("d");
|
---|
850 | TrieNode<String> root_c_a_r = root_c_a.getChild("r");
|
---|
851 | TrieNode<String> root_c_b = root_c.getChild("b");
|
---|
852 | TrieNode<String> root_c_c = root_c.getChild("c");
|
---|
853 | TrieNode<String> root_c_d = root_c.getChild("d");
|
---|
854 | TrieNode<String> root_c_r = root_c.getChild("r");
|
---|
855 | TrieNode<String> root_d = root.getChild("d");
|
---|
856 | TrieNode<String> root_d_a = root_d.getChild("a");
|
---|
857 | TrieNode<String> root_d_a_a = root_d_a.getChild("a");
|
---|
858 | TrieNode<String> root_d_a_b = root_d_a.getChild("b");
|
---|
859 | TrieNode<String> root_d_a_c = root_d_a.getChild("c");
|
---|
860 | TrieNode<String> root_d_a_d = root_d_a.getChild("d");
|
---|
861 | TrieNode<String> root_d_a_r = root_d_a.getChild("r");
|
---|
862 | TrieNode<String> root_d_b = root_d.getChild("b");
|
---|
863 | TrieNode<String> root_d_c = root_d.getChild("c");
|
---|
864 | TrieNode<String> root_d_d = root_d.getChild("d");
|
---|
865 | TrieNode<String> root_d_r = root_d.getChild("r");
|
---|
866 | TrieNode<String> root_r = root.getChild("r");
|
---|
867 | TrieNode<String> root_r_a = root_r.getChild("a");
|
---|
868 | TrieNode<String> root_r_a_a = root_r_a.getChild("a");
|
---|
869 | TrieNode<String> root_r_a_b = root_r_a.getChild("b");
|
---|
870 | TrieNode<String> root_r_a_c = root_r_a.getChild("c");
|
---|
871 | TrieNode<String> root_r_a_d = root_r_a.getChild("d");
|
---|
872 | TrieNode<String> root_r_a_r = root_r_a.getChild("r");
|
---|
873 | TrieNode<String> root_r_b = root_r.getChild("b");
|
---|
874 | TrieNode<String> root_r_c = root_r.getChild("c");
|
---|
875 | TrieNode<String> root_r_d = root_r.getChild("d");
|
---|
876 | TrieNode<String> root_r_r = root_r.getChild("r");
|
---|
877 |
|
---|
878 | assertEquals(5, root_a.getCount());
|
---|
879 | assertNull(root_a_a);
|
---|
880 | assertEquals(2, root_a_b.getCount());
|
---|
881 | assertNull(root_a_b_a);
|
---|
882 | assertNull(root_a_b_b);
|
---|
883 | assertNull(root_a_b_c);
|
---|
884 | assertNull(root_a_b_d);
|
---|
885 | assertEquals(2, root_a_b_r.getCount());
|
---|
886 | assertEquals(1, root_a_c.getCount());
|
---|
887 | assertEquals(1, root_a_c_a.getCount());
|
---|
888 | assertNull(root_a_c_b);
|
---|
889 | assertNull(root_a_c_c);
|
---|
890 | assertNull(root_a_c_d);
|
---|
891 | assertNull(root_a_c_r);
|
---|
892 | assertEquals(1, root_a_d.getCount());
|
---|
893 | assertEquals(1, root_a_d_a.getCount());
|
---|
894 | assertNull(root_a_d_b);
|
---|
895 | assertNull(root_a_d_c);
|
---|
896 | assertNull(root_a_d_d);
|
---|
897 | assertNull(root_a_d_r);
|
---|
898 | assertNull(root_a_r);
|
---|
899 |
|
---|
900 | assertEquals(2, root_b.getCount());
|
---|
901 | assertNull(root_b_a);
|
---|
902 | assertNull(root_b_b);
|
---|
903 | assertNull(root_b_c);
|
---|
904 | assertNull(root_b_d);
|
---|
905 | assertEquals(2, root_b_r.getCount());
|
---|
906 | assertEquals(2, root_b_r_a.getCount());
|
---|
907 | assertNull(root_b_r_b);
|
---|
908 | assertNull(root_b_r_c);
|
---|
909 | assertNull(root_b_r_d);
|
---|
910 | assertNull(root_b_r_r);
|
---|
911 |
|
---|
912 | assertEquals(1, root_c.getCount());
|
---|
913 | assertEquals(1, root_c_a.getCount());
|
---|
914 | assertNull(root_c_a_a);
|
---|
915 | assertNull(root_c_a_b);
|
---|
916 | assertNull(root_c_a_c);
|
---|
917 | assertEquals(1, root_c_a_d.getCount());
|
---|
918 | assertNull(root_c_a_r);
|
---|
919 | assertNull(root_c_b);
|
---|
920 | assertNull(root_c_c);
|
---|
921 | assertNull(root_c_d);
|
---|
922 | assertNull(root_c_r);
|
---|
923 |
|
---|
924 | assertEquals(1, root_d.getCount());
|
---|
925 | assertEquals(1, root_d_a.getCount());
|
---|
926 | assertNull(root_d_a_a);
|
---|
927 | assertEquals(1, root_d_a_b.getCount());
|
---|
928 | assertNull(root_d_a_c);
|
---|
929 | assertNull(root_d_a_d);
|
---|
930 | assertNull(root_d_a_r);
|
---|
931 | assertNull(root_d_b);
|
---|
932 | assertNull(root_d_c);
|
---|
933 | assertNull(root_d_d);
|
---|
934 | assertNull(root_d_r);
|
---|
935 |
|
---|
936 | assertEquals(2, root_r.getCount());
|
---|
937 | assertEquals(2, root_r_a.getCount());
|
---|
938 | assertNull(root_r_a_a);
|
---|
939 | assertNull(root_r_a_b);
|
---|
940 | assertEquals(1, root_r_a_c.getCount());
|
---|
941 | assertNull(root_r_a_d);
|
---|
942 | assertNull(root_r_a_r);
|
---|
943 | assertNull(root_r_b);
|
---|
944 | assertNull(root_r_c);
|
---|
945 | assertNull(root_r_d);
|
---|
946 | assertNull(root_r_r);
|
---|
947 |
|
---|
948 | // check if leafs are really leafs
|
---|
949 | assertTrue(root_a_b_r.isLeaf());
|
---|
950 | assertTrue(root_a_c_a.isLeaf());
|
---|
951 | assertTrue(root_a_d_a.isLeaf());
|
---|
952 | assertTrue(root_b_r_a.isLeaf());
|
---|
953 | assertTrue(root_c_a_d.isLeaf());
|
---|
954 | assertTrue(root_d_a_b.isLeaf());
|
---|
955 | assertTrue(root_r_a_c.isLeaf());
|
---|
956 | }
|
---|
957 |
|
---|
958 | @Test
|
---|
959 | public void testTrain_2() throws Exception {
|
---|
960 | Trie<String> fixture = new Trie<String>();
|
---|
961 | int maxOrder = 0;
|
---|
962 |
|
---|
963 | fixture.train(sequence, maxOrder);
|
---|
964 |
|
---|
965 | assertTrue(fixture.getKnownSymbols().isEmpty());
|
---|
966 | }
|
---|
967 |
|
---|
968 | @Test
|
---|
969 | public void testTrain_3() throws Exception {
|
---|
970 | Trie<Object> fixture = new Trie<Object>();
|
---|
971 | List<Object> sequence = new ArrayList<Object>();
|
---|
972 | int maxOrder = 1;
|
---|
973 |
|
---|
974 | fixture.train(sequence, maxOrder);
|
---|
975 |
|
---|
976 | assertTrue(fixture.getKnownSymbols().isEmpty());
|
---|
977 | }
|
---|
978 |
|
---|
979 | @Test
|
---|
980 | public void testTrain_4() throws Exception {
|
---|
981 | Trie<String> fixture = new Trie<String>();
|
---|
982 | List<String> sequence = new ArrayList<String>();
|
---|
983 | sequence.add("a");
|
---|
984 | sequence.add("b");
|
---|
985 | int maxOrder = 3;
|
---|
986 |
|
---|
987 | fixture.train(sequence, maxOrder);
|
---|
988 |
|
---|
989 | assertCollectionContent(sequence, fixture.getKnownSymbols());
|
---|
990 | TrieNode<String> root = fixture.find(new ArrayList<String>());
|
---|
991 | TrieNode<String> root_a = root.getChild("a");
|
---|
992 | TrieNode<String> root_a_a = root_a.getChild("a");
|
---|
993 | TrieNode<String> root_a_b = root_a.getChild("b");
|
---|
994 | TrieNode<String> root_b = root.getChild("b");
|
---|
995 | TrieNode<String> root_b_a = root_b.getChild("a");
|
---|
996 | TrieNode<String> root_b_b = root_b.getChild("b");
|
---|
997 |
|
---|
998 | assertEquals(1, root_a.getCount());
|
---|
999 | assertNull(root_a_a);
|
---|
1000 | assertEquals(1, root_a_b.getCount());
|
---|
1001 | assertEquals(1, root_b.getCount());
|
---|
1002 | assertNull(root_b_a);
|
---|
1003 | assertNull(root_b_b);
|
---|
1004 |
|
---|
1005 | assertTrue(root_a_b.isLeaf());
|
---|
1006 | assertTrue(root_b.isLeaf());
|
---|
1007 | }
|
---|
1008 |
|
---|
1009 | @Test
|
---|
1010 | public void testEdgeEdge_1() throws Exception {
|
---|
1011 | Edge result = new Edge();
|
---|
1012 |
|
---|
1013 | assertNotNull(result);
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 | @Test
|
---|
1017 | public void testTrieVertexTrieVertex_1() throws Exception {
|
---|
1018 | String id = "idString";
|
---|
1019 |
|
---|
1020 | TrieVertex result = new TrieVertex(id);
|
---|
1021 |
|
---|
1022 | assertNotNull(result);
|
---|
1023 | }
|
---|
1024 |
|
---|
1025 | @Test
|
---|
1026 | public void testTrieVertexToString_1() throws Exception {
|
---|
1027 | String id = "idString";
|
---|
1028 | TrieVertex fixture = new TrieVertex(id);
|
---|
1029 |
|
---|
1030 | String result = fixture.toString();
|
---|
1031 |
|
---|
1032 | assertEquals(id, result);
|
---|
1033 | }
|
---|
1034 |
|
---|
1035 | @Test
|
---|
1036 | public void testEquals_1() throws Exception {
|
---|
1037 | Trie<String> trieOther = new Trie<String>();
|
---|
1038 | Trie<String> fixture = new Trie<String>();
|
---|
1039 |
|
---|
1040 | boolean result = fixture.equals(trieOther);
|
---|
1041 |
|
---|
1042 | assertEquals(true, result);
|
---|
1043 | }
|
---|
1044 |
|
---|
1045 | @Test
|
---|
1046 | public void testEquals_2() throws Exception {
|
---|
1047 | Trie<String> trieOther = new Trie<String>();
|
---|
1048 | trieOther.train(sequence, 2);
|
---|
1049 | Trie<String> fixture = new Trie<String>();
|
---|
1050 | fixture.train(sequence, 2);
|
---|
1051 |
|
---|
1052 | boolean result = fixture.equals(trieOther);
|
---|
1053 |
|
---|
1054 | assertEquals(true, result);
|
---|
1055 | }
|
---|
1056 |
|
---|
1057 | @Test
|
---|
1058 | public void testEquals_3() throws Exception {
|
---|
1059 | Trie<String> trieOther = new Trie<String>();
|
---|
1060 | trieOther.train(sequence, 2);
|
---|
1061 | Trie<String> fixture = new Trie<String>();
|
---|
1062 | fixture.train(sequence, 3);
|
---|
1063 |
|
---|
1064 | boolean result = fixture.equals(trieOther);
|
---|
1065 |
|
---|
1066 | assertEquals(false, result);
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 | @Test
|
---|
1070 | public void testEquals_4() throws Exception {
|
---|
1071 | Trie<String> trieOther = new Trie<String>();
|
---|
1072 | Trie<String> fixture = new Trie<String>();
|
---|
1073 | fixture.train(sequence, 2);
|
---|
1074 |
|
---|
1075 | boolean result = fixture.equals(trieOther);
|
---|
1076 |
|
---|
1077 | assertEquals(false, result);
|
---|
1078 | }
|
---|
1079 |
|
---|
1080 | @Test
|
---|
1081 | public void testEquals_5() throws Exception {
|
---|
1082 | Trie<String> trieOther = new Trie<String>();
|
---|
1083 | trieOther.train(sequence, 2);
|
---|
1084 | Trie<String> fixture = new Trie<String>();
|
---|
1085 |
|
---|
1086 | boolean result = fixture.equals(trieOther);
|
---|
1087 |
|
---|
1088 | assertEquals(false, result);
|
---|
1089 | }
|
---|
1090 |
|
---|
1091 | @Test
|
---|
1092 | public void testEquals_6() throws Exception {
|
---|
1093 | Trie<String> fixture = new Trie<String>();
|
---|
1094 | fixture.train(sequence, 2);
|
---|
1095 |
|
---|
1096 | boolean result = fixture.equals(fixture);
|
---|
1097 |
|
---|
1098 | assertEquals(true, result);
|
---|
1099 | }
|
---|
1100 |
|
---|
1101 | @Test
|
---|
1102 | public void testEquals_7() throws Exception {
|
---|
1103 | Trie<String> fixture = new Trie<String>();
|
---|
1104 | fixture.train(sequence, 2);
|
---|
1105 |
|
---|
1106 | boolean result = fixture.equals(null);
|
---|
1107 |
|
---|
1108 | assertEquals(false, result);
|
---|
1109 | }
|
---|
1110 |
|
---|
1111 | @Before
|
---|
1112 | public void setUp() throws Exception {
|
---|
1113 | sequence = new ArrayList<String>();
|
---|
1114 | sequence.add("a");
|
---|
1115 | sequence.add("b");
|
---|
1116 | sequence.add("r");
|
---|
1117 | sequence.add("a");
|
---|
1118 | sequence.add("c");
|
---|
1119 | sequence.add("a");
|
---|
1120 | sequence.add("d");
|
---|
1121 | sequence.add("a");
|
---|
1122 | sequence.add("b");
|
---|
1123 | sequence.add("r");
|
---|
1124 | sequence.add("a");
|
---|
1125 |
|
---|
1126 | symbols = new HashSet<String>();
|
---|
1127 | symbols.add("a");
|
---|
1128 | symbols.add("b");
|
---|
1129 | symbols.add("c");
|
---|
1130 | symbols.add("d");
|
---|
1131 | symbols.add("r");
|
---|
1132 | }
|
---|
1133 |
|
---|
1134 | public static void main(String[] args) {
|
---|
1135 | new org.junit.runner.JUnitCore().run(TrieTest.class);
|
---|
1136 | }
|
---|
1137 | } |
---|