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annotate test/org/tmatesoft/hg/test/TestAuxUtilities.java @ 354:5f9073eabf06

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Propagate errors with exceptions up to a end client
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 01 Dec 2011 05:21:40 +0100
parents a37ce7145c3f
children d9dfa9fe9cec
rev   line source
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1 /*
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2 * Copyright (c) 2011 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
311
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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.HgException;
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29 import org.tmatesoft.hg.core.Nodeid;
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30 import org.tmatesoft.hg.internal.ArrayHelper;
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31 import org.tmatesoft.hg.repo.HgChangelog;
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32 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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33 import org.tmatesoft.hg.repo.HgDataFile;
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34 import org.tmatesoft.hg.repo.HgManifest;
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35 import org.tmatesoft.hg.repo.HgManifest.Flags;
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36 import org.tmatesoft.hg.repo.HgRepoConfig;
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37 import org.tmatesoft.hg.repo.HgRepoConfig.PathsSection;
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38 import org.tmatesoft.hg.repo.HgRepoConfig.Section;
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39 import org.tmatesoft.hg.repo.HgRepository;
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40 import org.tmatesoft.hg.util.Adaptable;
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41 import org.tmatesoft.hg.util.ByteChannel;
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42 import org.tmatesoft.hg.util.CancelSupport;
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43 import org.tmatesoft.hg.util.CancelledException;
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44 import org.tmatesoft.hg.util.Pair;
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45 import org.tmatesoft.hg.util.Path;
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46
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47 /**
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48 *
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49 * @author Artem Tikhomirov
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50 * @author TMate Software Ltd.
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51 */
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52 public class TestAuxUtilities {
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53
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54 @Test
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55 public void testArrayHelper() {
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56 String[] initial = {"d", "w", "k", "b", "c", "i", "a", "r", "e", "h" };
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57 ArrayHelper ah = new ArrayHelper();
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58 String[] result = initial.clone();
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59 ah.sort(result);
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60 String[] restored = restore(result, ah.getReverse());
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61 Assert.assertArrayEquals(initial, restored);
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62 //
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63 // few elements are on the right place from the very start and do not shift during sort.
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64 // make sure for them we've got correct reversed indexes as well
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65 initial = new String[] {"d", "h", "c", "b", "k", "i", "a", "r", "e", "w" };
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66 ah.sort(result = initial.clone());
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67 restored = restore(result, ah.getReverse());
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68 Assert.assertArrayEquals(initial, restored);
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69 }
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70
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71 private static String[] restore(String[] sorted, int[] sortReverse) {
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72 String[] rebuilt = new String[sorted.length];
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73 for (int i = 0; i < sorted.length; i++) {
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74 int indexInOriginal = sortReverse[i];
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75 rebuilt[indexInOriginal-1] = sorted[i];
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76 }
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77 return rebuilt;
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78 }
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79
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80 static class CancelImpl implements CancelSupport {
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81 private boolean shallStop = false;
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82 public void stop() {
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83 shallStop = true;
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84 }
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85 public void checkCancelled() throws CancelledException {
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86 if (shallStop) {
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87 throw new CancelledException();
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88 }
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89 }
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90 }
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91
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92 @Test
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93 public void testChangelogCancelSupport() throws Exception {
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94 HgRepository repository = Configuration.get().find("branches-1"); // any repo with more revisions
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95 class InspectorImplementsCancel implements HgChangelog.Inspector, CancelSupport {
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96 public final int when2stop;
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97 public int lastVisitet = 0;
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98 private final CancelImpl cancelImpl = new CancelImpl();
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99
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100 public InspectorImplementsCancel(int limit) {
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101 when2stop = limit;
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102 }
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103
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104 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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105 lastVisitet = revisionNumber;
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106 if (revisionNumber == when2stop) {
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107 cancelImpl.stop();
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108 }
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109 }
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110
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111 public void checkCancelled() throws CancelledException {
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112 cancelImpl.checkCancelled();
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113 }
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114 };
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115 class InspectorImplementsAdaptable implements HgChangelog.Inspector, Adaptable {
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116 public final int when2stop;
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117 public int lastVisitet = 0;
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118 private final CancelImpl cancelImpl = new CancelImpl();
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119
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120 public InspectorImplementsAdaptable(int limit) {
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121 when2stop = limit;
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122 }
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124 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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125 lastVisitet = revisionNumber;
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126 if (revisionNumber == when2stop) {
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127 cancelImpl.stop();
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128 }
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129 }
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130 public <T> T getAdapter(Class<T> adapterClass) {
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131 if (CancelSupport.class == adapterClass) {
322
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132 return adapterClass.cast(cancelImpl);
312
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133 }
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134 return null;
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135 }
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136
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137 }
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138 //
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139 InspectorImplementsCancel insp1;
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140 repository.getChangelog().all(insp1= new InspectorImplementsCancel(2));
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141 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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142 repository.getChangelog().all(insp1 = new InspectorImplementsCancel(12));
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143 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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144 //
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145 InspectorImplementsAdaptable insp2;
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146 repository.getChangelog().all(insp2= new InspectorImplementsAdaptable(3));
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147 Assert.assertEquals(insp2.when2stop, insp2.lastVisitet);
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148 repository.getChangelog().all(insp2 = new InspectorImplementsAdaptable(10));
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149 Assert.assertEquals(insp2.when2stop, insp2.lastVisitet);
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150 }
313
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151
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152 @Test
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153 public void testManifestCancelSupport() throws Exception {
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154 HgRepository repository = Configuration.get().find("branches-1"); // any repo with as many revisions as possible
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155 class InspectorImplementsAdaptable implements HgManifest.Inspector2, Adaptable {
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156 public final int when2stop;
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157 public int lastVisitet = 0;
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158 private final CancelImpl cancelImpl = new CancelImpl();
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159
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160 public InspectorImplementsAdaptable(int limit) {
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161 when2stop = limit;
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162 }
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163
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164 public boolean begin(int mainfestRevision, Nodeid nid, int changelogRevision) {
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165 if (++lastVisitet == when2stop) {
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166 cancelImpl.stop();
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167 }
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168 return true;
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169 }
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170
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171 public boolean next(Nodeid nid, String fname, String flags) {
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172 return true;
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173 }
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174
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175 public boolean end(int manifestRevision) {
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176 return true;
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177 }
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178
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179 public <T> T getAdapter(Class<T> adapterClass) {
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180 if (CancelSupport.class == adapterClass) {
322
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181 return adapterClass.cast(cancelImpl);
313
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182 }
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183 return null;
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184 }
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185
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186 public boolean next(Nodeid nid, Path fname, Flags flags) {
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187 return true;
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188 }
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189 }
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190 InspectorImplementsAdaptable insp1;
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191 repository.getManifest().walk(0, TIP, insp1= new InspectorImplementsAdaptable(3));
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192 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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193 repository.getManifest().walk(0, TIP, insp1 = new InspectorImplementsAdaptable(10));
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194 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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195 }
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196
322
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197 @Test
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198 public void testCatCommandCancelSupport() throws Exception {
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199 HgRepository repository = Configuration.get().find("branches-1"); // any repo
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200 final HgCatCommand cmd = new HgCatCommand(repository);
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201 cmd.file(Path.create("file1"));
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202 cmd.set(new CancelSupport() {
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diff changeset
203 int i = 0;
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204 public void checkCancelled() throws CancelledException {
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diff changeset
205 if (i++ == 2) {
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diff changeset
206 throw new CancelledException();
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207 }
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208 }
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diff changeset
209 });
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diff changeset
210 try {
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diff changeset
211 cmd.execute(new ByteChannel() {
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212
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213 public int write(ByteBuffer buffer) throws IOException, CancelledException {
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diff changeset
214 Assert.fail("Shall not get that far provided cancellation from command's CancelSupport is functional");
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diff changeset
215 return 0;
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216 }
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diff changeset
217 });
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218 Assert.fail("Command execution shall not fail silently, exception shall propagate");
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diff changeset
219 } catch (CancelledException ex) {
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220 // good!
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221 }
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diff changeset
222 }
327
3f09b8c19142 Tests for Revlog.Inspectors
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diff changeset
223
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diff changeset
224 @Test
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225 public void testRevlogInspectors() throws Exception { // FIXME move to better place
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226 HgRepository repository = Configuration.get().find("branches-1"); // any repo
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diff changeset
227 repository.getChangelog().walk(0, TIP, new HgChangelog.RevisionInspector() {
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diff changeset
228
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229 public void next(int localRevision, Nodeid revision, int linkedRevision) {
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230 Assert.assertEquals(localRevision, linkedRevision);
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231 }
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diff changeset
232 });
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233 final HgDataFile fileNode = repository.getFileNode("file1");
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234 fileNode.walk(0, TIP, new HgDataFile.RevisionInspector() {
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diff changeset
235 int i = 0;
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diff changeset
236
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diff changeset
237 public void next(int localRevision, Nodeid revision, int linkedRevision) {
354
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diff changeset
238 try {
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239 Assert.assertEquals(i++, localRevision);
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240 Assert.assertEquals(fileNode.getChangesetLocalRevision(localRevision), linkedRevision);
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diff changeset
241 Assert.assertEquals(fileNode.getRevision(localRevision), revision);
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242 } catch (HgException ex) {
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243 Assert.fail(ex.toString());
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diff changeset
244 }
327
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diff changeset
245 }
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diff changeset
246 });
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diff changeset
247 fileNode.walk(0, TIP, new HgDataFile.ParentInspector() {
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248 int i = 0;
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249 Nodeid[] all = new Nodeid[fileNode.getRevisionCount()];
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250
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251 public void next(int localRevision, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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252 Assert.assertEquals(i++, localRevision);
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253 all[localRevision] = revision;
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254 Assert.assertNotNull(revision);
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255 Assert.assertFalse(localRevision == 0 && (parent1 != -1 || parent2 != -1));
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256 Assert.assertFalse(localRevision > 0 && parent1 == -1 && parent2 == -1);
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257 if (parent1 != -1) {
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258 Assert.assertNotNull(nidParent1);
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259 // deliberately ==, not asserEquals to ensure same instance
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260 Assert.assertTrue(nidParent1 == all[parent1]);
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261 }
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262 if (parent2 != -1) {
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263 Assert.assertNotNull(nidParent2);
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264 Assert.assertTrue(nidParent2 == all[parent2]);
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265 }
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266 }
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267 });
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268 }
331
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269
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270 @Test
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271 @Ignore("just a dump for now, to compare values visually")
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272 public void testRepositoryConfig() throws Exception {
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273 HgRepository repo = Configuration.get().own();
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274 final HgRepoConfig cfg = repo.getConfiguration();
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275 Assert.assertNotNull(cfg.getPaths());
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276 Assert.assertNotNull(cfg.getExtensions());
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277 final Section dne = cfg.getSection("does-not-exist");
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278 Assert.assertNotNull(dne);
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279 Assert.assertFalse(dne.exists());
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280 for (Pair<String, String> p : cfg.getSection("ui")) {
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281 System.out.printf("%s = %s\n", p.first(), p.second());
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282 }
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283 final PathsSection p = cfg.getPaths();
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284 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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285 for (String k : cfg.getPaths().getKeys()) {
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286 System.out.println(k);
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287 }
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288 Assert.assertFalse(p.hasDefault() ^ p.getDefault() != null);
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289 Assert.assertFalse(p.hasDefaultPush() ^ p.getDefaultPush() != null);
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290 }
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291
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292 public static void main(String[] args) throws Exception {
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293 new TestAuxUtilities().testRepositoryConfig();
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294 }
311
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295 }