Mercurial > hg > mercurial-crew-with-dirclash

annotate tests/test-simplemerge.py @ 5456:a58d415b272e

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fix typo
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Thu, 11 Oct 2007 16:28:30 +0200
parents ff7253a0d1da
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Copyright (C) 2004, 2005 Canonical Ltd
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2 #
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3 # This program is free software; you can redistribute it and/or modify
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4 # it under the terms of the GNU General Public License as published by
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5 # the Free Software Foundation; either version 2 of the License, or
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6 # (at your option) any later version.
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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 # You should have received a copy of the GNU General Public License
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14 # along with this program; if not, write to the Free Software
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15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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16
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17 import os
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18 import unittest
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19 from unittest import TestCase
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20 import imp
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21 import shutil
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22 from mercurial import util
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23
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24 # copy simplemerge to the cwd to avoid creating a .pyc file in the source tree
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25 shutil.copyfile(os.path.join(os.environ['TESTDIR'], os.path.pardir,
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26 'contrib', 'simplemerge'),
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27 'simplemerge.py')
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28 simplemerge = imp.load_source('simplemerge', 'simplemerge.py')
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29 Merge3 = simplemerge.Merge3
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30 CantReprocessAndShowBase = simplemerge.CantReprocessAndShowBase
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31
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32 def split_lines(t):
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33 from cStringIO import StringIO
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34 return StringIO(t).readlines()
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35
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36 ############################################################
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37 # test case data from the gnu diffutils manual
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38 # common base
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39 TZU = split_lines(""" The Nameless is the origin of Heaven and Earth;
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40 The named is the mother of all things.
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41
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42 Therefore let there always be non-being,
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43 so we may see their subtlety,
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44 And let there always be being,
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45 so we may see their outcome.
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46 The two are the same,
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47 But after they are produced,
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48 they have different names.
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49 They both may be called deep and profound.
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50 Deeper and more profound,
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51 The door of all subtleties!
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52 """)
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53
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54 LAO = split_lines(""" The Way that can be told of is not the eternal Way;
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55 The name that can be named is not the eternal name.
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56 The Nameless is the origin of Heaven and Earth;
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57 The Named is the mother of all things.
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58 Therefore let there always be non-being,
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59 so we may see their subtlety,
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60 And let there always be being,
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61 so we may see their outcome.
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62 The two are the same,
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63 But after they are produced,
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64 they have different names.
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65 """)
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66
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67
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68 TAO = split_lines(""" The Way that can be told of is not the eternal Way;
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69 The name that can be named is not the eternal name.
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70 The Nameless is the origin of Heaven and Earth;
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71 The named is the mother of all things.
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72
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73 Therefore let there always be non-being,
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74 so we may see their subtlety,
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75 And let there always be being,
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76 so we may see their result.
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77 The two are the same,
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78 But after they are produced,
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79 they have different names.
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80
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81 -- The Way of Lao-Tzu, tr. Wing-tsit Chan
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82
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83 """)
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84
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85 MERGED_RESULT = split_lines(""" The Way that can be told of is not the eternal Way;
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86 The name that can be named is not the eternal name.
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87 The Nameless is the origin of Heaven and Earth;
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88 The Named is the mother of all things.
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89 Therefore let there always be non-being,
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90 so we may see their subtlety,
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91 And let there always be being,
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92 so we may see their result.
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93 The two are the same,
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94 But after they are produced,
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95 they have different names.
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96 <<<<<<< LAO
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97 =======
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98
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99 -- The Way of Lao-Tzu, tr. Wing-tsit Chan
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100
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101 >>>>>>> TAO
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102 """)
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103
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104 class TestMerge3(TestCase):
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105 def log(self, msg):
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106 pass
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107
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108 def test_no_changes(self):
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109 """No conflicts because nothing changed"""
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110 m3 = Merge3(['aaa', 'bbb'],
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111 ['aaa', 'bbb'],
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112 ['aaa', 'bbb'])
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113
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114 self.assertEquals(m3.find_unconflicted(),
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115 [(0, 2)])
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116
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117 self.assertEquals(list(m3.find_sync_regions()),
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118 [(0, 2,
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119 0, 2,
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120 0, 2),
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121 (2,2, 2,2, 2,2)])
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122
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123 self.assertEquals(list(m3.merge_regions()),
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124 [('unchanged', 0, 2)])
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125
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126 self.assertEquals(list(m3.merge_groups()),
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127 [('unchanged', ['aaa', 'bbb'])])
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128
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129 def test_front_insert(self):
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130 m3 = Merge3(['zz'],
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131 ['aaa', 'bbb', 'zz'],
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132 ['zz'])
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133
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134 # todo: should use a sentinal at end as from get_matching_blocks
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135 # to match without zz
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136 self.assertEquals(list(m3.find_sync_regions()),
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137 [(0,1, 2,3, 0,1),
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138 (1,1, 3,3, 1,1),])
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139
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140 self.assertEquals(list(m3.merge_regions()),
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141 [('a', 0, 2),
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142 ('unchanged', 0, 1)])
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143
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144 self.assertEquals(list(m3.merge_groups()),
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145 [('a', ['aaa', 'bbb']),
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146 ('unchanged', ['zz'])])
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147
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148 def test_null_insert(self):
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149 m3 = Merge3([],
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150 ['aaa', 'bbb'],
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151 [])
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152 # todo: should use a sentinal at end as from get_matching_blocks
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153 # to match without zz
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154 self.assertEquals(list(m3.find_sync_regions()),
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155 [(0,0, 2,2, 0,0)])
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156
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157 self.assertEquals(list(m3.merge_regions()),
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158 [('a', 0, 2)])
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159
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160 self.assertEquals(list(m3.merge_lines()),
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161 ['aaa', 'bbb'])
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162
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163 def test_no_conflicts(self):
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164 """No conflicts because only one side changed"""
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165 m3 = Merge3(['aaa', 'bbb'],
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166 ['aaa', '111', 'bbb'],
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167 ['aaa', 'bbb'])
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168
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169 self.assertEquals(m3.find_unconflicted(),
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170 [(0, 1), (1, 2)])
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171
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172 self.assertEquals(list(m3.find_sync_regions()),
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173 [(0,1, 0,1, 0,1),
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174 (1,2, 2,3, 1,2),
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175 (2,2, 3,3, 2,2),])
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176
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177 self.assertEquals(list(m3.merge_regions()),
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178 [('unchanged', 0, 1),
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179 ('a', 1, 2),
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180 ('unchanged', 1, 2),])
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181
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182 def test_append_a(self):
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183 m3 = Merge3(['aaa\n', 'bbb\n'],
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184 ['aaa\n', 'bbb\n', '222\n'],
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185 ['aaa\n', 'bbb\n'])
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186
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187 self.assertEquals(''.join(m3.merge_lines()),
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188 'aaa\nbbb\n222\n')
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189
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190 def test_append_b(self):
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191 m3 = Merge3(['aaa\n', 'bbb\n'],
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192 ['aaa\n', 'bbb\n'],
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193 ['aaa\n', 'bbb\n', '222\n'])
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194
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195 self.assertEquals(''.join(m3.merge_lines()),
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196 'aaa\nbbb\n222\n')
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197
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198 def test_append_agreement(self):
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199 m3 = Merge3(['aaa\n', 'bbb\n'],
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200 ['aaa\n', 'bbb\n', '222\n'],
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201 ['aaa\n', 'bbb\n', '222\n'])
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202
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203 self.assertEquals(''.join(m3.merge_lines()),
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204 'aaa\nbbb\n222\n')
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205
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206 def test_append_clash(self):
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207 m3 = Merge3(['aaa\n', 'bbb\n'],
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208 ['aaa\n', 'bbb\n', '222\n'],
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209 ['aaa\n', 'bbb\n', '333\n'])
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210
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211 ml = m3.merge_lines(name_a='a',
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212 name_b='b',
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213 start_marker='<<',
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214 mid_marker='--',
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215 end_marker='>>')
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216 self.assertEquals(''.join(ml),
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217 'aaa\n'
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218 'bbb\n'
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219 '<< a\n'
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220 '222\n'
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221 '--\n'
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222 '333\n'
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223 '>> b\n'
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224 )
4358
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225
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226 def test_insert_agreement(self):
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227 m3 = Merge3(['aaa\n', 'bbb\n'],
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228 ['aaa\n', '222\n', 'bbb\n'],
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229 ['aaa\n', '222\n', 'bbb\n'])
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230
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231 ml = m3.merge_lines(name_a='a',
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232 name_b='b',
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233 start_marker='<<',
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234 mid_marker='--',
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235 end_marker='>>')
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236 self.assertEquals(''.join(ml), 'aaa\n222\nbbb\n')
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237
4358
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238
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239 def test_insert_clash(self):
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240 """Both try to insert lines in the same place."""
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241 m3 = Merge3(['aaa\n', 'bbb\n'],
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242 ['aaa\n', '111\n', 'bbb\n'],
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243 ['aaa\n', '222\n', 'bbb\n'])
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244
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245 self.assertEquals(m3.find_unconflicted(),
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246 [(0, 1), (1, 2)])
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247
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248 self.assertEquals(list(m3.find_sync_regions()),
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249 [(0,1, 0,1, 0,1),
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250 (1,2, 2,3, 2,3),
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251 (2,2, 3,3, 3,3),])
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252
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253 self.assertEquals(list(m3.merge_regions()),
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254 [('unchanged', 0,1),
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255 ('conflict', 1,1, 1,2, 1,2),
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256 ('unchanged', 1,2)])
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257
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258 self.assertEquals(list(m3.merge_groups()),
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259 [('unchanged', ['aaa\n']),
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260 ('conflict', [], ['111\n'], ['222\n']),
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261 ('unchanged', ['bbb\n']),
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262 ])
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263
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264 ml = m3.merge_lines(name_a='a',
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265 name_b='b',
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266 start_marker='<<',
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267 mid_marker='--',
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268 end_marker='>>')
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269 self.assertEquals(''.join(ml),
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270 '''aaa
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271 << a
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272 111
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273 --
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274 222
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275 >> b
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276 bbb
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277 ''')
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278
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279 def test_replace_clash(self):
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280 """Both try to insert lines in the same place."""
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281 m3 = Merge3(['aaa', '000', 'bbb'],
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282 ['aaa', '111', 'bbb'],
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283 ['aaa', '222', 'bbb'])
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284
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285 self.assertEquals(m3.find_unconflicted(),
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286 [(0, 1), (2, 3)])
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287
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288 self.assertEquals(list(m3.find_sync_regions()),
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289 [(0,1, 0,1, 0,1),
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290 (2,3, 2,3, 2,3),
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291 (3,3, 3,3, 3,3),])
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292
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293 def test_replace_multi(self):
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294 """Replacement with regions of different size."""
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295 m3 = Merge3(['aaa', '000', '000', 'bbb'],
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296 ['aaa', '111', '111', '111', 'bbb'],
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297 ['aaa', '222', '222', '222', '222', 'bbb'])
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298
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299 self.assertEquals(m3.find_unconflicted(),
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300 [(0, 1), (3, 4)])
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301
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302
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303 self.assertEquals(list(m3.find_sync_regions()),
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304 [(0,1, 0,1, 0,1),
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305 (3,4, 4,5, 5,6),
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306 (4,4, 5,5, 6,6),])
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307
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308 def test_merge_poem(self):
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309 """Test case from diff3 manual"""
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310 m3 = Merge3(TZU, LAO, TAO)
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311 ml = list(m3.merge_lines('LAO', 'TAO'))
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312 self.log('merge result:')
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313 self.log(''.join(ml))
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314 self.assertEquals(ml, MERGED_RESULT)
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315
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316 def test_minimal_conflicts_common(self):
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317 """Reprocessing"""
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318 base_text = ("a\n" * 20).splitlines(True)
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319 this_text = ("a\n"*10+"b\n" * 10).splitlines(True)
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320 other_text = ("a\n"*10+"c\n"+"b\n" * 8 + "c\n").splitlines(True)
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321 m3 = Merge3(base_text, other_text, this_text)
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322 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True)
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323 merged_text = "".join(list(m_lines))
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324 optimal_text = ("a\n" * 10 + "<<<<<<< OTHER\nc\n=======\n"
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325 + ">>>>>>> THIS\n"
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326 + 8* "b\n" + "<<<<<<< OTHER\nc\n=======\n"
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327 + 2* "b\n" + ">>>>>>> THIS\n")
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328 self.assertEquals(optimal_text, merged_text)
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329
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330 def test_minimal_conflicts_unique(self):
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331 def add_newline(s):
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332 """Add a newline to each entry in the string"""
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333 return [(x+'\n') for x in s]
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334
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335 base_text = add_newline("abcdefghijklm")
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336 this_text = add_newline("abcdefghijklmNOPQRSTUVWXYZ")
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337 other_text = add_newline("abcdefghijklm1OPQRSTUVWXY2")
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338 m3 = Merge3(base_text, other_text, this_text)
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339 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True)
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340 merged_text = "".join(list(m_lines))
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341 optimal_text = ''.join(add_newline("abcdefghijklm")
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342 + ["<<<<<<< OTHER\n1\n=======\nN\n>>>>>>> THIS\n"]
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343 + add_newline('OPQRSTUVWXY')
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344 + ["<<<<<<< OTHER\n2\n=======\nZ\n>>>>>>> THIS\n"]
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345 )
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346 self.assertEquals(optimal_text, merged_text)
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347
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348 def test_minimal_conflicts_nonunique(self):
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349 def add_newline(s):
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diff changeset
350 """Add a newline to each entry in the string"""
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
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diff changeset
351 return [(x+'\n') for x in s]
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352
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diff changeset
353 base_text = add_newline("abacddefgghij")
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parents:
diff changeset
354 this_text = add_newline("abacddefgghijkalmontfprz")
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parents:
diff changeset
355 other_text = add_newline("abacddefgghijknlmontfprd")
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parents:
diff changeset
356 m3 = Merge3(base_text, other_text, this_text)
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parents:
diff changeset
357 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True)
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parents:
diff changeset
358 merged_text = "".join(list(m_lines))
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parents:
diff changeset
359 optimal_text = ''.join(add_newline("abacddefgghijk")
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parents:
diff changeset
360 + ["<<<<<<< OTHER\nn\n=======\na\n>>>>>>> THIS\n"]
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parents:
diff changeset
361 + add_newline('lmontfpr')
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
362 + ["<<<<<<< OTHER\nd\n=======\nz\n>>>>>>> THIS\n"]
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parents:
diff changeset
363 )
4359
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diff changeset
364 self.assertEquals(optimal_text, merged_text)
4358
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parents:
diff changeset
365
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diff changeset
366 def test_reprocess_and_base(self):
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parents:
diff changeset
367 """Reprocessing and showing base breaks correctly"""
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parents:
diff changeset
368 base_text = ("a\n" * 20).splitlines(True)
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parents:
diff changeset
369 this_text = ("a\n"*10+"b\n" * 10).splitlines(True)
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parents:
diff changeset
370 other_text = ("a\n"*10+"c\n"+"b\n" * 8 + "c\n").splitlines(True)
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parents:
diff changeset
371 m3 = Merge3(base_text, other_text, this_text)
4516
96d8a56d4ef9 Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4359
diff changeset
372 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True,
4358
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parents:
diff changeset
373 base_marker='|||||||')
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parents:
diff changeset
374 self.assertRaises(CantReprocessAndShowBase, list, m_lines)
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parents:
diff changeset
375
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diff changeset
376 def test_binary(self):
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diff changeset
377 self.assertRaises(util.Abort, Merge3, ['\x00'], ['a'], ['b'])
4358
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parents:
diff changeset
378
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diff changeset
379 def test_dos_text(self):
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parents:
diff changeset
380 base_text = 'a\r\n'
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
381 this_text = 'b\r\n'
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
382 other_text = 'c\r\n'
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
383 m3 = Merge3(base_text.splitlines(True), other_text.splitlines(True),
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
384 this_text.splitlines(True))
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
385 m_lines = m3.merge_lines('OTHER', 'THIS')
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
386 self.assertEqual('<<<<<<< OTHER\r\nc\r\n=======\r\nb\r\n'
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
387 '>>>>>>> THIS\r\n'.splitlines(True), list(m_lines))
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
388
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
389 def test_mac_text(self):
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parents:
diff changeset
390 base_text = 'a\r'
465b9ea02868 Import 3-way merge code from bzr
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parents:
diff changeset
391 this_text = 'b\r'
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
392 other_text = 'c\r'
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parents:
diff changeset
393 m3 = Merge3(base_text.splitlines(True), other_text.splitlines(True),
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
394 this_text.splitlines(True))
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
395 m_lines = m3.merge_lines('OTHER', 'THIS')
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
396 self.assertEqual('<<<<<<< OTHER\rc\r=======\rb\r'
465b9ea02868 Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
397 '>>>>>>> THIS\r'.splitlines(True), list(m_lines))
4359
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4358
diff changeset
398
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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diff changeset
399 if __name__ == '__main__':
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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400 # hide the timer
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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401 import time
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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402 orig = time.time
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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403 try:
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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404 time.time = lambda: 0
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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405 unittest.main()
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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406 finally:
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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407 time.time = orig
2e3c54fb79a3 actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4358
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408