Mercurial > hg
annotate tests/test-simplemerge.py @ 18766:64b5562550e2
blackbox: add backup bundle paths to blackbox logs
Writes the backup bundle paths to the blackbox so it's easy to see which
backup bundle is associated with which command when you are debugging an
issue.
Example output:
2013/03/13 10:39:56 durham> strip tip
2013/03/13 10:39:59 durham> saved backup bundle to /data/users/durham/www-hg/.hg/strip-backup/e5fac262363a-backup.hg
2013/03/13 10:40:03 durham> strip tip exited 0 after 7.97 seconds
author | Durham Goode <durham@fb.com> |
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date | Wed, 13 Mar 2013 10:43:51 -0700 |
parents | d08b333816c6 |
children | f18830651811 |
rev | line source |
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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, see <http://www.gnu.org/licenses/>. |
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15 |
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16 import unittest |
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17 from unittest import TestCase |
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18 from mercurial import util, simplemerge |
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19 |
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20 # bzr compatible interface, for the tests |
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21 class Merge3(simplemerge.Merge3Text): |
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22 """3-way merge of texts. |
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23 |
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24 Given BASE, OTHER, THIS, tries to produce a combined text |
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25 incorporating the changes from both BASE->OTHER and BASE->THIS. |
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26 All three will typically be sequences of lines.""" |
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27 def __init__(self, base, a, b): |
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28 basetext = '\n'.join([i.strip('\n') for i in base] + ['']) |
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29 atext = '\n'.join([i.strip('\n') for i in a] + ['']) |
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30 btext = '\n'.join([i.strip('\n') for i in b] + ['']) |
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31 if util.binary(basetext) or util.binary(atext) or util.binary(btext): |
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32 raise util.Abort("don't know how to merge binary files") |
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33 simplemerge.Merge3Text.__init__(self, basetext, atext, btext, |
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34 base, a, b) |
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35 |
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36 CantReprocessAndShowBase = simplemerge.CantReprocessAndShowBase |
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37 |
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38 def split_lines(t): |
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39 from cStringIO import StringIO |
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40 return StringIO(t).readlines() |
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41 |
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42 ############################################################ |
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43 # test case data from the gnu diffutils manual |
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44 # common base |
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45 TZU = split_lines(""" The Nameless is the origin of Heaven and Earth; |
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46 The named is the mother of all things. |
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47 |
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48 Therefore let there always be non-being, |
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49 so we may see their subtlety, |
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50 And let there always be being, |
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51 so we may see their outcome. |
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52 The two are the same, |
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53 But after they are produced, |
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54 they have different names. |
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55 They both may be called deep and profound. |
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56 Deeper and more profound, |
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57 The door of all subtleties! |
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58 """) |
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59 |
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60 LAO = split_lines(""" The Way that can be told of is not the eternal Way; |
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61 The name that can be named is not the eternal name. |
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62 The Nameless is the origin of Heaven and Earth; |
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63 The Named is the mother of all things. |
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64 Therefore let there always be non-being, |
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65 so we may see their subtlety, |
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66 And let there always be being, |
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67 so we may see their outcome. |
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68 The two are the same, |
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69 But after they are produced, |
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70 they have different names. |
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71 """) |
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72 |
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73 |
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74 TAO = split_lines(""" The Way that can be told of is not the eternal Way; |
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75 The name that can be named is not the eternal name. |
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76 The Nameless is the origin of Heaven and Earth; |
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77 The named is the mother of all things. |
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78 |
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79 Therefore let there always be non-being, |
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80 so we may see their subtlety, |
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81 And let there always be being, |
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82 so we may see their result. |
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83 The two are the same, |
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84 But after they are produced, |
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85 they have different names. |
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86 |
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87 -- The Way of Lao-Tzu, tr. Wing-tsit Chan |
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88 |
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89 """) |
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90 |
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91 MERGED_RESULT = split_lines("""\ |
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92 The Way that can be told of is not the eternal Way; |
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93 The name that can be named is not the eternal name. |
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94 The Nameless is the origin of Heaven and Earth; |
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95 The Named is the mother of all things. |
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96 Therefore let there always be non-being, |
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97 so we may see their subtlety, |
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98 And let there always be being, |
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99 so we may see their result. |
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100 The two are the same, |
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101 But after they are produced, |
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102 they have different names. |
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103 <<<<<<< LAO |
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104 ======= |
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105 |
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106 -- The Way of Lao-Tzu, tr. Wing-tsit Chan |
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107 |
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108 >>>>>>> TAO |
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109 """) |
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110 |
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111 class TestMerge3(TestCase): |
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112 def log(self, msg): |
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113 pass |
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114 |
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115 def test_no_changes(self): |
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116 """No conflicts because nothing changed""" |
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117 m3 = Merge3(['aaa', 'bbb'], |
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118 ['aaa', 'bbb'], |
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119 ['aaa', 'bbb']) |
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120 |
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121 self.assertEquals(m3.find_unconflicted(), |
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122 [(0, 2)]) |
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123 |
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124 self.assertEquals(list(m3.find_sync_regions()), |
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125 [(0, 2, |
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126 0, 2, |
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127 0, 2), |
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128 (2, 2, 2, 2, 2, 2)]) |
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129 |
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130 self.assertEquals(list(m3.merge_regions()), |
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131 [('unchanged', 0, 2)]) |
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132 |
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133 self.assertEquals(list(m3.merge_groups()), |
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134 [('unchanged', ['aaa', 'bbb'])]) |
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135 |
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136 def test_front_insert(self): |
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137 m3 = Merge3(['zz'], |
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138 ['aaa', 'bbb', 'zz'], |
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139 ['zz']) |
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140 |
17513 | 141 # todo: should use a sentinel at end as from get_matching_blocks |
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142 # to match without zz |
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143 self.assertEquals(list(m3.find_sync_regions()), |
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144 [(0, 1, 2, 3, 0, 1), |
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145 (1, 1, 3, 3, 1, 1)]) |
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146 |
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147 self.assertEquals(list(m3.merge_regions()), |
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148 [('a', 0, 2), |
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149 ('unchanged', 0, 1)]) |
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150 |
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151 self.assertEquals(list(m3.merge_groups()), |
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152 [('a', ['aaa', 'bbb']), |
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153 ('unchanged', ['zz'])]) |
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154 |
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155 def test_null_insert(self): |
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156 m3 = Merge3([], |
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157 ['aaa', 'bbb'], |
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158 []) |
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160 # to match without zz |
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161 self.assertEquals(list(m3.find_sync_regions()), |
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162 [(0, 0, 2, 2, 0, 0)]) |
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163 |
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164 self.assertEquals(list(m3.merge_regions()), |
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165 [('a', 0, 2)]) |
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166 |
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167 self.assertEquals(list(m3.merge_lines()), |
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168 ['aaa', 'bbb']) |
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169 |
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170 def test_no_conflicts(self): |
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171 """No conflicts because only one side changed""" |
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172 m3 = Merge3(['aaa', 'bbb'], |
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173 ['aaa', '111', 'bbb'], |
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174 ['aaa', 'bbb']) |
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175 |
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176 self.assertEquals(m3.find_unconflicted(), |
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177 [(0, 1), (1, 2)]) |
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178 |
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179 self.assertEquals(list(m3.find_sync_regions()), |
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180 [(0, 1, 0, 1, 0, 1), |
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181 (1, 2, 2, 3, 1, 2), |
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182 (2, 2, 3, 3, 2, 2)]) |
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183 |
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184 self.assertEquals(list(m3.merge_regions()), |
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185 [('unchanged', 0, 1), |
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186 ('a', 1, 2), |
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187 ('unchanged', 1, 2)]) |
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188 |
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189 def test_append_a(self): |
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190 m3 = Merge3(['aaa\n', 'bbb\n'], |
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191 ['aaa\n', 'bbb\n', '222\n'], |
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192 ['aaa\n', 'bbb\n']) |
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193 |
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194 self.assertEquals(''.join(m3.merge_lines()), |
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195 'aaa\nbbb\n222\n') |
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196 |
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197 def test_append_b(self): |
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198 m3 = Merge3(['aaa\n', 'bbb\n'], |
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199 ['aaa\n', 'bbb\n'], |
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200 ['aaa\n', 'bbb\n', '222\n']) |
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201 |
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202 self.assertEquals(''.join(m3.merge_lines()), |
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203 'aaa\nbbb\n222\n') |
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204 |
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205 def test_append_agreement(self): |
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206 m3 = Merge3(['aaa\n', 'bbb\n'], |
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207 ['aaa\n', 'bbb\n', '222\n'], |
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208 ['aaa\n', 'bbb\n', '222\n']) |
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209 |
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210 self.assertEquals(''.join(m3.merge_lines()), |
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211 'aaa\nbbb\n222\n') |
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212 |
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213 def test_append_clash(self): |
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214 m3 = Merge3(['aaa\n', 'bbb\n'], |
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215 ['aaa\n', 'bbb\n', '222\n'], |
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216 ['aaa\n', 'bbb\n', '333\n']) |
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217 |
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218 ml = m3.merge_lines(name_a='a', |
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219 name_b='b', |
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220 start_marker='<<', |
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221 mid_marker='--', |
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222 end_marker='>>') |
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223 self.assertEquals(''.join(ml), |
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224 'aaa\n' |
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225 'bbb\n' |
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226 '<< a\n' |
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227 '222\n' |
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228 '--\n' |
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229 '333\n' |
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230 '>> b\n' |
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231 ) |
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232 |
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233 def test_insert_agreement(self): |
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234 m3 = Merge3(['aaa\n', 'bbb\n'], |
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235 ['aaa\n', '222\n', 'bbb\n'], |
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236 ['aaa\n', '222\n', 'bbb\n']) |
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237 |
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238 ml = m3.merge_lines(name_a='a', |
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239 name_b='b', |
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240 start_marker='<<', |
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241 mid_marker='--', |
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242 end_marker='>>') |
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243 self.assertEquals(''.join(ml), 'aaa\n222\nbbb\n') |
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244 |
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245 |
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246 def test_insert_clash(self): |
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247 """Both try to insert lines in the same place.""" |
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248 m3 = Merge3(['aaa\n', 'bbb\n'], |
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249 ['aaa\n', '111\n', 'bbb\n'], |
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250 ['aaa\n', '222\n', 'bbb\n']) |
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251 |
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252 self.assertEquals(m3.find_unconflicted(), |
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253 [(0, 1), (1, 2)]) |
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254 |
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255 self.assertEquals(list(m3.find_sync_regions()), |
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256 [(0, 1, 0, 1, 0, 1), |
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257 (1, 2, 2, 3, 2, 3), |
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258 (2, 2, 3, 3, 3, 3)]) |
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259 |
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260 self.assertEquals(list(m3.merge_regions()), |
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261 [('unchanged', 0, 1), |
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262 ('conflict', 1, 1, 1, 2, 1, 2), |
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263 ('unchanged', 1, 2)]) |
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264 |
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265 self.assertEquals(list(m3.merge_groups()), |
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266 [('unchanged', ['aaa\n']), |
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267 ('conflict', [], ['111\n'], ['222\n']), |
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268 ('unchanged', ['bbb\n']), |
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269 ]) |
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270 |
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271 ml = m3.merge_lines(name_a='a', |
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272 name_b='b', |
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273 start_marker='<<', |
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274 mid_marker='--', |
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275 end_marker='>>') |
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276 self.assertEquals(''.join(ml), |
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277 '''aaa |
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278 << a |
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279 111 |
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280 -- |
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281 222 |
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282 >> b |
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283 bbb |
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284 ''') |
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285 |
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286 def test_replace_clash(self): |
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287 """Both try to insert lines in the same place.""" |
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288 m3 = Merge3(['aaa', '000', 'bbb'], |
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289 ['aaa', '111', 'bbb'], |
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290 ['aaa', '222', 'bbb']) |
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291 |
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292 self.assertEquals(m3.find_unconflicted(), |
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293 [(0, 1), (2, 3)]) |
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294 |
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295 self.assertEquals(list(m3.find_sync_regions()), |
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296 [(0, 1, 0, 1, 0, 1), |
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297 (2, 3, 2, 3, 2, 3), |
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298 (3, 3, 3, 3, 3, 3)]) |
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299 |
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300 def test_replace_multi(self): |
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301 """Replacement with regions of different size.""" |
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302 m3 = Merge3(['aaa', '000', '000', 'bbb'], |
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303 ['aaa', '111', '111', '111', 'bbb'], |
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304 ['aaa', '222', '222', '222', '222', 'bbb']) |
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305 |
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306 self.assertEquals(m3.find_unconflicted(), |
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307 [(0, 1), (3, 4)]) |
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308 |
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309 |
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310 self.assertEquals(list(m3.find_sync_regions()), |
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311 [(0, 1, 0, 1, 0, 1), |
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312 (3, 4, 4, 5, 5, 6), |
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313 (4, 4, 5, 5, 6, 6)]) |
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314 |
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315 def test_merge_poem(self): |
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316 """Test case from diff3 manual""" |
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317 m3 = Merge3(TZU, LAO, TAO) |
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318 ml = list(m3.merge_lines('LAO', 'TAO')) |
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319 self.log('merge result:') |
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320 self.log(''.join(ml)) |
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321 self.assertEquals(ml, MERGED_RESULT) |
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322 |
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323 def test_minimal_conflicts_common(self): |
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324 """Reprocessing""" |
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325 base_text = ("a\n" * 20).splitlines(True) |
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326 this_text = ("a\n"*10+"b\n" * 10).splitlines(True) |
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327 other_text = ("a\n"*10+"c\n"+"b\n" * 8 + "c\n").splitlines(True) |
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328 m3 = Merge3(base_text, other_text, this_text) |
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329 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True) |
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330 merged_text = "".join(list(m_lines)) |
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331 optimal_text = ("a\n" * 10 + "<<<<<<< OTHER\nc\n=======\n" |
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332 + ">>>>>>> THIS\n" |
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333 + 8* "b\n" + "<<<<<<< OTHER\nc\n=======\n" |
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334 + 2* "b\n" + ">>>>>>> THIS\n") |
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335 self.assertEquals(optimal_text, merged_text) |
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336 |
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337 def test_minimal_conflicts_unique(self): |
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338 def add_newline(s): |
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339 """Add a newline to each entry in the string""" |
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340 return [(x+'\n') for x in s] |
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341 |
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342 base_text = add_newline("abcdefghijklm") |
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343 this_text = add_newline("abcdefghijklmNOPQRSTUVWXYZ") |
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344 other_text = add_newline("abcdefghijklm1OPQRSTUVWXY2") |
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345 m3 = Merge3(base_text, other_text, this_text) |
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346 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True) |
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347 merged_text = "".join(list(m_lines)) |
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348 optimal_text = ''.join(add_newline("abcdefghijklm") |
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349 + ["<<<<<<< OTHER\n1\n=======\nN\n>>>>>>> THIS\n"] |
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350 + add_newline('OPQRSTUVWXY') |
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351 + ["<<<<<<< OTHER\n2\n=======\nZ\n>>>>>>> THIS\n"] |
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352 ) |
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353 self.assertEquals(optimal_text, merged_text) |
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354 |
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355 def test_minimal_conflicts_nonunique(self): |
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356 def add_newline(s): |
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357 """Add a newline to each entry in the string""" |
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358 return [(x+'\n') for x in s] |
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359 |
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360 base_text = add_newline("abacddefgghij") |
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361 this_text = add_newline("abacddefgghijkalmontfprz") |
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362 other_text = add_newline("abacddefgghijknlmontfprd") |
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363 m3 = Merge3(base_text, other_text, this_text) |
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364 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True) |
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365 merged_text = "".join(list(m_lines)) |
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366 optimal_text = ''.join(add_newline("abacddefgghijk") |
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367 + ["<<<<<<< OTHER\nn\n=======\na\n>>>>>>> THIS\n"] |
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368 + add_newline('lmontfpr') |
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369 + ["<<<<<<< OTHER\nd\n=======\nz\n>>>>>>> THIS\n"] |
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370 ) |
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371 self.assertEquals(optimal_text, merged_text) |
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372 |
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373 def test_reprocess_and_base(self): |
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374 """Reprocessing and showing base breaks correctly""" |
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375 base_text = ("a\n" * 20).splitlines(True) |
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376 this_text = ("a\n"*10+"b\n" * 10).splitlines(True) |
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377 other_text = ("a\n"*10+"c\n"+"b\n" * 8 + "c\n").splitlines(True) |
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378 m3 = Merge3(base_text, other_text, this_text) |
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379 m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True, |
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380 base_marker='|||||||') |
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381 self.assertRaises(CantReprocessAndShowBase, list, m_lines) |
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382 |
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383 def test_binary(self): |
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384 self.assertRaises(util.Abort, Merge3, ['\x00'], ['a'], ['b']) |
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385 |
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386 def test_dos_text(self): |
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387 base_text = 'a\r\n' |
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388 this_text = 'b\r\n' |
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389 other_text = 'c\r\n' |
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390 m3 = Merge3(base_text.splitlines(True), other_text.splitlines(True), |
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391 this_text.splitlines(True)) |
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392 m_lines = m3.merge_lines('OTHER', 'THIS') |
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393 self.assertEqual('<<<<<<< OTHER\r\nc\r\n=======\r\nb\r\n' |
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394 '>>>>>>> THIS\r\n'.splitlines(True), list(m_lines)) |
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395 |
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396 def test_mac_text(self): |
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397 base_text = 'a\r' |
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398 this_text = 'b\r' |
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399 other_text = 'c\r' |
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400 m3 = Merge3(base_text.splitlines(True), other_text.splitlines(True), |
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401 this_text.splitlines(True)) |
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402 m_lines = m3.merge_lines('OTHER', 'THIS') |
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403 self.assertEqual('<<<<<<< OTHER\rc\r=======\rb\r' |
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404 '>>>>>>> THIS\r'.splitlines(True), list(m_lines)) |
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405 |
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406 if __name__ == '__main__': |
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407 # hide the timer |
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408 import time |
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409 orig = time.time |
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410 try: |
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411 time.time = lambda: 0 |
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412 unittest.main() |
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413 finally: |
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414 time.time = orig |
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415 |