Mercurial > hg4j
annotate test/org/tmatesoft/hg/test/TestAuxUtilities.java @ 427:31a89587eb04
FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Thu, 29 Mar 2012 17:14:35 +0200 |
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1 /* |
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2 * Copyright (c) 2011-2012 TMate Software Ltd |
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3 * |
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4 * This program is free software; you can redistribute it and/or modify |
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5 * it under the terms of the GNU General Public License as published by |
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6 * the Free Software Foundation; version 2 of the License. |
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7 * |
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8 * This program is distributed in the hope that it will be useful, |
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 * GNU General Public License for more details. |
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12 * |
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13 * For information on how to redistribute this software under |
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14 * the terms of a license other than GNU General Public License |
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15 * contact TMate Software at support@hg4j.com |
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16 */ |
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17 package org.tmatesoft.hg.test; |
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18 |
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19 import static org.tmatesoft.hg.repo.HgRepository.TIP; |
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20 |
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21 import java.io.IOException; |
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22 import java.nio.ByteBuffer; |
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23 |
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24 import org.junit.Assert; |
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25 import org.junit.Ignore; |
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26 import org.junit.Test; |
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27 import org.tmatesoft.hg.core.HgCatCommand; |
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28 import org.tmatesoft.hg.core.Nodeid; |
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29 import org.tmatesoft.hg.internal.ArrayHelper; |
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30 import org.tmatesoft.hg.repo.HgChangelog; |
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31 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset; |
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32 import org.tmatesoft.hg.repo.HgDataFile; |
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33 import org.tmatesoft.hg.repo.HgManifest; |
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34 import org.tmatesoft.hg.repo.HgManifest.Flags; |
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35 import org.tmatesoft.hg.repo.HgRepoConfig; |
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36 import org.tmatesoft.hg.repo.HgRepoConfig.PathsSection; |
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37 import org.tmatesoft.hg.repo.HgRepoConfig.Section; |
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38 import org.tmatesoft.hg.repo.HgRepository; |
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39 import org.tmatesoft.hg.util.Adaptable; |
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40 import org.tmatesoft.hg.util.ByteChannel; |
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41 import org.tmatesoft.hg.util.CancelSupport; |
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42 import org.tmatesoft.hg.util.CancelledException; |
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43 import org.tmatesoft.hg.util.Pair; |
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44 import org.tmatesoft.hg.util.Path; |
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45 |
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46 /** |
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47 * |
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48 * @author Artem Tikhomirov |
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49 * @author TMate Software Ltd. |
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50 */ |
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51 public class TestAuxUtilities { |
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52 |
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53 @Test |
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54 public void testArrayHelper() { |
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55 String[] initial = {"d", "w", "k", "b", "c", "i", "a", "r", "e", "h" }; |
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56 ArrayHelper ah = new ArrayHelper(); |
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57 String[] result = initial.clone(); |
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58 ah.sort(result); |
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59 String[] restored = restore(result, ah.getReverse()); |
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60 Assert.assertArrayEquals(initial, restored); |
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61 // |
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62 // few elements are on the right place from the very start and do not shift during sort. |
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63 // make sure for them we've got correct reversed indexes as well |
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64 initial = new String[] {"d", "h", "c", "b", "k", "i", "a", "r", "e", "w" }; |
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65 ah.sort(result = initial.clone()); |
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66 restored = restore(result, ah.getReverse()); |
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67 Assert.assertArrayEquals(initial, restored); |
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68 } |
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69 |
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70 private static String[] restore(String[] sorted, int[] sortReverse) { |
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71 String[] rebuilt = new String[sorted.length]; |
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72 for (int i = 0; i < sorted.length; i++) { |
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73 int indexInOriginal = sortReverse[i]; |
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74 rebuilt[indexInOriginal-1] = sorted[i]; |
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75 } |
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76 return rebuilt; |
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77 } |
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78 |
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79 static class CancelImpl implements CancelSupport { |
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80 private boolean shallStop = false; |
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81 public void stop() { |
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82 shallStop = true; |
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83 } |
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84 public void checkCancelled() throws CancelledException { |
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85 if (shallStop) { |
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86 throw new CancelledException(); |
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87 } |
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88 } |
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89 } |
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90 |
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91 @Test |
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92 public void testChangelogCancelSupport() throws Exception { |
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93 HgRepository repository = Configuration.get().find("branches-1"); // any repo with more revisions |
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94 class InspectorImplementsCancel implements HgChangelog.Inspector, CancelSupport { |
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95 public final int when2stop; |
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96 public int lastVisitet = 0; |
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97 private final CancelImpl cancelImpl = new CancelImpl(); |
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98 |
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99 public InspectorImplementsCancel(int limit) { |
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100 when2stop = limit; |
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101 } |
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102 |
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103 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) { |
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104 lastVisitet = revisionNumber; |
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105 if (revisionNumber == when2stop) { |
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106 cancelImpl.stop(); |
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107 } |
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108 } |
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109 |
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110 public void checkCancelled() throws CancelledException { |
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111 cancelImpl.checkCancelled(); |
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112 } |
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113 }; |
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114 class InspectorImplementsAdaptable implements HgChangelog.Inspector, Adaptable { |
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115 public final int when2stop; |
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116 public int lastVisitet = 0; |
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117 private final CancelImpl cancelImpl = new CancelImpl(); |
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118 |
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119 public InspectorImplementsAdaptable(int limit) { |
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120 when2stop = limit; |
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121 } |
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122 |
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123 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) { |
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124 lastVisitet = revisionNumber; |
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125 if (revisionNumber == when2stop) { |
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126 cancelImpl.stop(); |
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127 } |
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128 } |
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129 public <T> T getAdapter(Class<T> adapterClass) { |
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130 if (CancelSupport.class == adapterClass) { |
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131 return adapterClass.cast(cancelImpl); |
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132 } |
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133 return null; |
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134 } |
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135 |
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136 } |
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137 // |
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138 InspectorImplementsCancel insp1; |
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139 repository.getChangelog().all(insp1= new InspectorImplementsCancel(2)); |
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140 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet); |
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141 repository.getChangelog().all(insp1 = new InspectorImplementsCancel(12)); |
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142 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet); |
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143 // |
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144 InspectorImplementsAdaptable insp2; |
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145 repository.getChangelog().all(insp2= new InspectorImplementsAdaptable(3)); |
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146 Assert.assertEquals(insp2.when2stop, insp2.lastVisitet); |
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147 repository.getChangelog().all(insp2 = new InspectorImplementsAdaptable(10)); |
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148 Assert.assertEquals(insp2.when2stop, insp2.lastVisitet); |
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149 } |
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150 |
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151 @Test |
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152 public void testManifestCancelSupport() throws Exception { |
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153 HgRepository repository = Configuration.get().find("branches-1"); // any repo with as many revisions as possible |
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154 class InspectorImplementsAdaptable implements HgManifest.Inspector, Adaptable { |
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155 public final int when2stop; |
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156 public int lastVisitet = 0; |
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157 private final CancelImpl cancelImpl = new CancelImpl(); |
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158 |
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159 public InspectorImplementsAdaptable(int limit) { |
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160 when2stop = limit; |
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161 } |
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162 |
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163 public boolean begin(int mainfestRevision, Nodeid nid, int changelogRevision) { |
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164 if (++lastVisitet == when2stop) { |
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165 cancelImpl.stop(); |
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166 } |
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167 return true; |
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168 } |
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169 |
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170 public boolean end(int manifestRevision) { |
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171 return true; |
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172 } |
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173 |
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174 public <T> T getAdapter(Class<T> adapterClass) { |
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175 if (CancelSupport.class == adapterClass) { |
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176 return adapterClass.cast(cancelImpl); |
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177 } |
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178 return null; |
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179 } |
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180 |
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181 public boolean next(Nodeid nid, Path fname, Flags flags) { |
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182 return true; |
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183 } |
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184 } |
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185 InspectorImplementsAdaptable insp1; |
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186 repository.getManifest().walk(0, TIP, insp1= new InspectorImplementsAdaptable(3)); |
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187 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet); |
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188 repository.getManifest().walk(0, TIP, insp1 = new InspectorImplementsAdaptable(10)); |
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189 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet); |
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190 } |
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191 |
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192 @Test |
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193 public void testCatCommandCancelSupport() throws Exception { |
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194 HgRepository repository = Configuration.get().find("branches-1"); // any repo |
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195 final HgCatCommand cmd = new HgCatCommand(repository); |
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196 cmd.file(Path.create("file1")); |
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197 cmd.set(new CancelSupport() { |
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198 int i = 0; |
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199 public void checkCancelled() throws CancelledException { |
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200 if (i++ == 2) { |
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201 throw new CancelledException(); |
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202 } |
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203 } |
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204 }); |
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205 try { |
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206 cmd.execute(new ByteChannel() { |
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207 |
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208 public int write(ByteBuffer buffer) throws IOException, CancelledException { |
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209 Assert.fail("Shall not get that far provided cancellation from command's CancelSupport is functional"); |
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210 return 0; |
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211 } |
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212 }); |
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213 Assert.fail("Command execution shall not fail silently, exception shall propagate"); |
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214 } catch (CancelledException ex) { |
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215 // good! |
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216 } |
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217 } |
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218 |
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219 @Test |
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220 public void testRevlogInspectors() throws Exception { // TODO move to better place |
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221 HgRepository repository = Configuration.get().find("branches-1"); // any repo |
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222 repository.getChangelog().walk(0, TIP, new HgChangelog.RevisionInspector() { |
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223 |
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224 public void next(int localRevision, Nodeid revision, int linkedRevision) { |
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225 Assert.assertEquals(localRevision, linkedRevision); |
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226 } |
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227 }); |
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228 final HgDataFile fileNode = repository.getFileNode("file1"); |
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229 fileNode.walk(0, TIP, new HgDataFile.RevisionInspector() { |
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230 int i = 0; |
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231 |
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232 public void next(int localRevision, Nodeid revision, int linkedRevision) { |
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233 Assert.assertEquals(i++, localRevision); |
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234 Assert.assertEquals(fileNode.getChangesetRevisionIndex(localRevision), linkedRevision); |
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235 Assert.assertEquals(fileNode.getRevision(localRevision), revision); |
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236 } |
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237 }); |
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238 fileNode.walk(0, TIP, new HgDataFile.ParentInspector() { |
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239 int i = 0; |
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240 Nodeid[] all = new Nodeid[fileNode.getRevisionCount()]; |
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241 |
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242 public void next(int localRevision, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) { |
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243 Assert.assertEquals(i++, localRevision); |
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244 all[localRevision] = revision; |
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245 Assert.assertNotNull(revision); |
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246 Assert.assertFalse(localRevision == 0 && (parent1 != -1 || parent2 != -1)); |
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247 Assert.assertFalse(localRevision > 0 && parent1 == -1 && parent2 == -1); |
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248 if (parent1 != -1) { |
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249 Assert.assertNotNull(nidParent1); |
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250 // deliberately ==, not asserEquals to ensure same instance |
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251 Assert.assertTrue(nidParent1 == all[parent1]); |
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252 } |
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253 if (parent2 != -1) { |
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254 Assert.assertNotNull(nidParent2); |
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255 Assert.assertTrue(nidParent2 == all[parent2]); |
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256 } |
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257 } |
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258 }); |
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259 } |
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260 |
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261 @Test |
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262 @Ignore("just a dump for now, to compare values visually") |
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263 public void testRepositoryConfig() throws Exception { |
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264 HgRepository repo = Configuration.get().own(); |
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265 final HgRepoConfig cfg = repo.getConfiguration(); |
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266 Assert.assertNotNull(cfg.getPaths()); |
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267 Assert.assertNotNull(cfg.getExtensions()); |
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268 final Section dne = cfg.getSection("does-not-exist"); |
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269 Assert.assertNotNull(dne); |
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270 Assert.assertFalse(dne.exists()); |
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271 for (Pair<String, String> p : cfg.getSection("ui")) { |
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272 System.out.printf("%s = %s\n", p.first(), p.second()); |
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273 } |
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274 final PathsSection p = cfg.getPaths(); |
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275 System.out.printf("Known paths: %d. default: %s(%s), default-push: %s(%s)\n", p.getKeys().size(), p.getDefault(), p.hasDefault(), p.getDefaultPush(), p.hasDefaultPush()); |
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276 for (String k : cfg.getPaths().getKeys()) { |
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277 System.out.println(k); |
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278 } |
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279 Assert.assertFalse(p.hasDefault() ^ p.getDefault() != null); |
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280 Assert.assertFalse(p.hasDefaultPush() ^ p.getDefaultPush() != null); |
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281 } |
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282 |
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283 @Test |
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284 public void testChangelogExtrasDecode() { |
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285 final String s = "abc\u0123\r\ndef\n\txx\\yy"; |
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286 String r = s.replace("\\", "\\\\").replace("\n", "\\n").replace("\r", "\\r").replace("\0", "\\0"); |
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287 // System.out.println(r); |
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288 String r2 = r.replace("\\\\", "\\").replace("\\n", "\n").replace("\\r", "\r").replace("\\0", "\00"); |
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289 // System.out.println(r2); |
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290 Assert.assertTrue(s.equals(r2)); |
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291 } |
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292 |
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293 |
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294 public static void main(String[] args) throws Exception { |
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295 new TestAuxUtilities().testRepositoryConfig(); |
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296 } |
311
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297 } |