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annotate test/org/tmatesoft/hg/test/TestBlame.java @ 544:7f5998a9619d

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Refactor PatchGenerator to be generic and welcome sequence of any nature
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 15 Feb 2013 16:48:54 +0100
parents 1e95f48d9886
children 15b406c7cd9d
rev   line source
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1 /*
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2 * Copyright (c) 2013 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 java.io.ByteArrayOutputStream;
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20 import java.io.PrintStream;
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21 import java.util.Arrays;
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22 import java.util.regex.Pattern;
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23
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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.internal.AnnotateFacility;
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27 import org.tmatesoft.hg.internal.AnnotateFacility.AddBlock;
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28 import org.tmatesoft.hg.internal.AnnotateFacility.Block;
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29 import org.tmatesoft.hg.internal.AnnotateFacility.ChangeBlock;
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30 import org.tmatesoft.hg.internal.AnnotateFacility.DeleteBlock;
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31 import org.tmatesoft.hg.internal.IntMap;
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32 import org.tmatesoft.hg.repo.HgDataFile;
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33 import org.tmatesoft.hg.repo.HgLookup;
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34 import org.tmatesoft.hg.repo.HgRepository;
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35
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36 /**
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37 *
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38 * @author Artem Tikhomirov
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39 * @author TMate Software Ltd.
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40 */
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41 public class TestBlame {
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42
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43
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44 @Test
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45 public void testSingleParentBlame() throws Exception {
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46 HgRepository repo = new HgLookup().detectFromWorkingDir();
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47 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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48 final int checkChangeset = 539;
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49 HgDataFile df = repo.getFileNode(fname);
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50 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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51 new AnnotateFacility().annotateChange(df, checkChangeset, new DiffOutInspector(new PrintStream(bos)));
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52 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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53 ExecHelper eh = new ExecHelper(gp, null);
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54 eh.run("hg", "diff", "-c", String.valueOf(checkChangeset), "-U", "0", fname);
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55 //
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56 String[] apiResult = splitLines(bos.toString());
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57 String[] expected = splitLines(gp.result());
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58 Assert.assertArrayEquals(expected, apiResult);
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59 }
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60
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61 private static String[] splitLines(CharSequence seq) {
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62 int lineCount = 0;
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63 for (int i = 0, x = seq.length(); i < x; i++) {
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64 if (seq.charAt(i) == '\n') {
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65 lineCount++;
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66 }
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67 }
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68 if (seq.length() > 0 && seq.charAt(seq.length()-1) != '\n') {
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69 lineCount++;
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70 }
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71 String[] rv = new String[lineCount];
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72 int lineStart = 0, lineEnd = 0, ix = 0;
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73 do {
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74 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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75 if (lineEnd == lineStart) {
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76 continue;
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77 }
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78 CharSequence line = seq.subSequence(lineStart, lineEnd);
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79 rv[ix++] = line.toString();
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80 lineStart = ++lineEnd;
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81 } while (lineStart < seq.length());
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82 assert ix == lineCount;
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83 return rv;
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84 }
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85
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86 private void leftovers() {
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87 IntMap<String> linesOld = new IntMap<String>(100), linesNew = new IntMap<String>(100);
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88 System.out.println("Changes to old revision:");
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89 for (int i = linesOld.firstKey(), x = linesOld.lastKey(); i < x; i++) {
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90 if (linesOld.containsKey(i)) {
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91 System.out.println(linesOld.get(i));
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92 }
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93 }
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94
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95 System.out.println("Changes in the new revision:");
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96 for (int i = linesNew.firstKey(), x = linesNew.lastKey(); i < x; i++) {
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97 if (linesNew.containsKey(i)) {
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98 System.out.println(linesNew.get(i));
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99 }
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100 }
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101 }
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102
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103 public static void main(String[] args) throws Exception {
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104 System.out.println(Arrays.equals(new String[0], splitLines("")));
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105 System.out.println(Arrays.equals(new String[] { "abc" }, splitLines("abc")));
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106 new TestBlame().testSingleParentBlame();
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107 }
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108
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109 static class DiffOutInspector implements AnnotateFacility.Inspector {
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110 private final PrintStream out;
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111
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112 DiffOutInspector(PrintStream ps) {
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113 out = ps;
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114 }
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115
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116 public void same(Block block) {
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117 // nothing
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118 }
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119
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120 public void deleted(DeleteBlock block) {
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121 out.printf("@@ -%d,%d +%d,0 @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.removedAt());
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122 // String[] lines = block.removedLines();
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123 // assert lines.length == block.totalRemovedLines();
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124 // for (int i = 0, ln = block.firstRemovedLine(); i < lines.length; i++, ln++) {
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125 // linesOld.put(ln, String.format("%3d:---:%s", ln, lines[i]));
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126 // }
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127 }
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128
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129 public void changed(ChangeBlock block) {
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130 // deleted(block);
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131 // added(block);
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132 out.printf("@@ -%d,%d +%d,%d @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.firstAddedLine() + 1, block.totalAddedLines());
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133 }
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134
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135 public void added(AddBlock block) {
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136 out.printf("@@ -%d,0 +%d,%d @@\n", block.insertedAt(), block.firstAddedLine() + 1, block.totalAddedLines());
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137 // String[] addedLines = block.addedLines();
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138 // assert addedLines.length == block.totalAddedLines();
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139 // for (int i = 0, ln = block.firstAddedLine(), x = addedLines.length; i < x; i++, ln++) {
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140 // linesNew.put(ln, String.format("%3d:+++:%s", ln, addedLines[i]));
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141 // }
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142 }
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143 }
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144
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145 public static class LineGrepOutputParser implements OutputParser {
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146
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147 private final Pattern pattern;
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148 private final StringBuilder result = new StringBuilder();
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149
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150 public LineGrepOutputParser(String regexp) {
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151 pattern = Pattern.compile(regexp);
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152 }
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153
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154 public CharSequence result() {
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155 return result;
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156 }
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157
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158 public void parse(CharSequence seq) {
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159 int lineStart = 0, lineEnd = 0;
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160 do {
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161 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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162 if (lineEnd == lineStart) {
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163 continue;
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164 }
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165 CharSequence line = seq.subSequence(lineStart, lineEnd);
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166 if (pattern.matcher(line).matches()) {
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167 result.append(line);
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168 result.append('\n');
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169 }
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170 lineStart = ++lineEnd;
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171 } while (lineStart < seq.length());
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172 }
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173 }
542
a71a05ec11bc Towards annotate/blame support: general outline of the functionality
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174 }