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annotate test/org/tmatesoft/hg/test/TestAuxUtilities.java @ 327:3f09b8c19142

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Tests for Revlog.Inspectors
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 04 Oct 2011 07:24:44 +0200
parents d68dcb3b5f49
children a37ce7145c3f
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
322
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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.Test;
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26 import org.tmatesoft.hg.core.HgCatCommand;
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27 import org.tmatesoft.hg.core.Nodeid;
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28 import org.tmatesoft.hg.internal.ArrayHelper;
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29 import org.tmatesoft.hg.repo.HgChangelog;
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30 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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31 import org.tmatesoft.hg.repo.HgDataFile;
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32 import org.tmatesoft.hg.repo.HgManifest;
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33 import org.tmatesoft.hg.repo.HgManifest.Flags;
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34 import org.tmatesoft.hg.repo.HgRepository;
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35 import org.tmatesoft.hg.util.Adaptable;
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36 import org.tmatesoft.hg.util.ByteChannel;
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37 import org.tmatesoft.hg.util.CancelSupport;
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38 import org.tmatesoft.hg.util.CancelledException;
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39 import org.tmatesoft.hg.util.Path;
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40
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41 /**
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42 *
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43 * @author Artem Tikhomirov
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44 * @author TMate Software Ltd.
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45 */
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46 public class TestAuxUtilities {
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47
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48 @Test
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49 public void testArrayHelper() {
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50 String[] initial = {"d", "w", "k", "b", "c", "i", "a", "r", "e", "h" };
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51 ArrayHelper ah = new ArrayHelper();
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52 String[] result = initial.clone();
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53 ah.sort(result);
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54 String[] restored = restore(result, ah.getReverse());
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55 Assert.assertArrayEquals(initial, restored);
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56 //
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57 // few elements are on the right place from the very start and do not shift during sort.
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58 // make sure for them we've got correct reversed indexes as well
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59 initial = new String[] {"d", "h", "c", "b", "k", "i", "a", "r", "e", "w" };
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60 ah.sort(result = initial.clone());
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61 restored = restore(result, ah.getReverse());
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62 Assert.assertArrayEquals(initial, restored);
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63 }
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64
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65 private static String[] restore(String[] sorted, int[] sortReverse) {
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66 String[] rebuilt = new String[sorted.length];
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67 for (int i = 0; i < sorted.length; i++) {
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68 int indexInOriginal = sortReverse[i];
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69 rebuilt[indexInOriginal-1] = sorted[i];
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70 }
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71 return rebuilt;
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72 }
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73
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74 static class CancelImpl implements CancelSupport {
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75 private boolean shallStop = false;
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76 public void stop() {
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77 shallStop = true;
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78 }
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79 public void checkCancelled() throws CancelledException {
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80 if (shallStop) {
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81 throw new CancelledException();
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82 }
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83 }
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84 }
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85
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86 @Test
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87 public void testChangelogCancelSupport() throws Exception {
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88 HgRepository repository = Configuration.get().find("branches-1"); // any repo with more revisions
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89 class InspectorImplementsCancel implements HgChangelog.Inspector, CancelSupport {
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90 public final int when2stop;
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91 public int lastVisitet = 0;
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92 private final CancelImpl cancelImpl = new CancelImpl();
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93
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94 public InspectorImplementsCancel(int limit) {
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95 when2stop = limit;
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96 }
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97
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98 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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99 lastVisitet = revisionNumber;
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100 if (revisionNumber == when2stop) {
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101 cancelImpl.stop();
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102 }
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103 }
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104
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105 public void checkCancelled() throws CancelledException {
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106 cancelImpl.checkCancelled();
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107 }
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108 };
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109 class InspectorImplementsAdaptable implements HgChangelog.Inspector, Adaptable {
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110 public final int when2stop;
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111 public int lastVisitet = 0;
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112 private final CancelImpl cancelImpl = new CancelImpl();
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113
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114 public InspectorImplementsAdaptable(int limit) {
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115 when2stop = limit;
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116 }
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117
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118 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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119 lastVisitet = revisionNumber;
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120 if (revisionNumber == when2stop) {
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121 cancelImpl.stop();
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122 }
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123 }
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124 public <T> T getAdapter(Class<T> adapterClass) {
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125 if (CancelSupport.class == adapterClass) {
322
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126 return adapterClass.cast(cancelImpl);
312
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127 }
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128 return null;
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129 }
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130
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131 }
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132 //
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133 InspectorImplementsCancel insp1;
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134 repository.getChangelog().all(insp1= new InspectorImplementsCancel(2));
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135 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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136 repository.getChangelog().all(insp1 = new InspectorImplementsCancel(12));
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137 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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138 //
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139 InspectorImplementsAdaptable insp2;
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140 repository.getChangelog().all(insp2= new InspectorImplementsAdaptable(3));
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141 Assert.assertEquals(insp2.when2stop, insp2.lastVisitet);
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142 repository.getChangelog().all(insp2 = new InspectorImplementsAdaptable(10));
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143 Assert.assertEquals(insp2.when2stop, insp2.lastVisitet);
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144 }
313
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145
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146 @Test
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147 public void testManifestCancelSupport() throws Exception {
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148 HgRepository repository = Configuration.get().find("branches-1"); // any repo with as many revisions as possible
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149 class InspectorImplementsAdaptable implements HgManifest.Inspector2, Adaptable {
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150 public final int when2stop;
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151 public int lastVisitet = 0;
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152 private final CancelImpl cancelImpl = new CancelImpl();
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153
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154 public InspectorImplementsAdaptable(int limit) {
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155 when2stop = limit;
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156 }
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157
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158 public boolean begin(int mainfestRevision, Nodeid nid, int changelogRevision) {
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159 if (++lastVisitet == when2stop) {
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160 cancelImpl.stop();
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161 }
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162 return true;
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163 }
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164
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165 public boolean next(Nodeid nid, String fname, String flags) {
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166 return true;
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167 }
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168
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169 public boolean end(int manifestRevision) {
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170 return true;
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171 }
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172
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173 public <T> T getAdapter(Class<T> adapterClass) {
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174 if (CancelSupport.class == adapterClass) {
322
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175 return adapterClass.cast(cancelImpl);
313
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176 }
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177 return null;
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178 }
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179
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180 public boolean next(Nodeid nid, Path fname, Flags flags) {
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181 return true;
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182 }
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183 }
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184 InspectorImplementsAdaptable insp1;
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185 repository.getManifest().walk(0, TIP, insp1= new InspectorImplementsAdaptable(3));
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186 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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187 repository.getManifest().walk(0, TIP, insp1 = new InspectorImplementsAdaptable(10));
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188 Assert.assertEquals(insp1.when2stop, insp1.lastVisitet);
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189 }
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190
322
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191 @Test
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192 public void testCatCommandCancelSupport() throws Exception {
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193 HgRepository repository = Configuration.get().find("branches-1"); // any repo
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194 final HgCatCommand cmd = new HgCatCommand(repository);
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195 cmd.file(Path.create("file1"));
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196 cmd.set(new CancelSupport() {
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197 int i = 0;
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198 public void checkCancelled() throws CancelledException {
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199 if (i++ == 2) {
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200 throw new CancelledException();
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201 }
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202 }
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203 });
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diff changeset
204 try {
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205 cmd.execute(new ByteChannel() {
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206
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207 public int write(ByteBuffer buffer) throws IOException, CancelledException {
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208 Assert.fail("Shall not get that far provided cancellation from command's CancelSupport is functional");
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209 return 0;
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210 }
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211 });
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212 Assert.fail("Command execution shall not fail silently, exception shall propagate");
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213 } catch (CancelledException ex) {
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214 // good!
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215 }
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diff changeset
216 }
327
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217
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218 @Test
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219 public void testRevlogInspectors() throws Exception { // FIXME move to better place
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220 HgRepository repository = Configuration.get().find("branches-1"); // any repo
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221 repository.getChangelog().walk(0, TIP, new HgChangelog.RevisionInspector() {
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222
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223 public void next(int localRevision, Nodeid revision, int linkedRevision) {
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224 Assert.assertEquals(localRevision, linkedRevision);
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225 }
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226 });
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227 final HgDataFile fileNode = repository.getFileNode("file1");
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228 fileNode.walk(0, TIP, new HgDataFile.RevisionInspector() {
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229 int i = 0;
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230
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231 public void next(int localRevision, Nodeid revision, int linkedRevision) {
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232 Assert.assertEquals(i++, localRevision);
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233 Assert.assertEquals(fileNode.getChangesetLocalRevision(localRevision), linkedRevision);
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234 Assert.assertEquals(fileNode.getRevision(localRevision), revision);
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235 }
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236 });
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237 fileNode.walk(0, TIP, new HgDataFile.ParentInspector() {
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238 int i = 0;
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239 Nodeid[] all = new Nodeid[fileNode.getRevisionCount()];
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240
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241 public void next(int localRevision, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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242 Assert.assertEquals(i++, localRevision);
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243 all[localRevision] = revision;
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244 Assert.assertNotNull(revision);
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245 Assert.assertFalse(localRevision == 0 && (parent1 != -1 || parent2 != -1));
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246 Assert.assertFalse(localRevision > 0 && parent1 == -1 && parent2 == -1);
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247 if (parent1 != -1) {
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248 Assert.assertNotNull(nidParent1);
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249 // deliberately ==, not asserEquals to ensure same instance
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250 Assert.assertTrue(nidParent1 == all[parent1]);
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251 }
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252 if (parent2 != -1) {
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253 Assert.assertNotNull(nidParent2);
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254 Assert.assertTrue(nidParent2 == all[parent2]);
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255 }
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parents: 322
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256 }
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257 });
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258 }
311
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259 }