author | Patrick Mezard <pmezard@gmail.com> |
Sat, 06 Oct 2007 22:30:24 +0200 | |
changeset 5406 | f11554a097c8 |
parent 4633 | ff7253a0d1da |
permissions | -rw-r--r-- |
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# Copyright (C) 2004, 2005 Canonical Ltd |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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import os |
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import unittest |
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from unittest import TestCase |
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import imp |
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import shutil |
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from mercurial import util |
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# copy simplemerge to the cwd to avoid creating a .pyc file in the source tree |
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shutil.copyfile(os.path.join(os.environ['TESTDIR'], os.path.pardir, |
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'contrib', 'simplemerge'), |
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'simplemerge.py') |
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simplemerge = imp.load_source('simplemerge', 'simplemerge.py') |
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Merge3 = simplemerge.Merge3 |
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CantReprocessAndShowBase = simplemerge.CantReprocessAndShowBase |
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def split_lines(t): |
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from cStringIO import StringIO |
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return StringIO(t).readlines() |
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|
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############################################################ |
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# test case data from the gnu diffutils manual |
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# common base |
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TZU = split_lines(""" The Nameless is the origin of Heaven and Earth; |
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The named is the mother of all things. |
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|
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Therefore let there always be non-being, |
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so we may see their subtlety, |
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And let there always be being, |
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so we may see their outcome. |
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The two are the same, |
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But after they are produced, |
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they have different names. |
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They both may be called deep and profound. |
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Deeper and more profound, |
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The door of all subtleties! |
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""") |
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|
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LAO = split_lines(""" The Way that can be told of is not the eternal Way; |
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The name that can be named is not the eternal name. |
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The Nameless is the origin of Heaven and Earth; |
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The Named is the mother of all things. |
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Therefore let there always be non-being, |
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so we may see their subtlety, |
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And let there always be being, |
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so we may see their outcome. |
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The two are the same, |
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But after they are produced, |
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they have different names. |
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""") |
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|
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|
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TAO = split_lines(""" The Way that can be told of is not the eternal Way; |
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The name that can be named is not the eternal name. |
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The Nameless is the origin of Heaven and Earth; |
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The named is the mother of all things. |
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|
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Therefore let there always be non-being, |
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so we may see their subtlety, |
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And let there always be being, |
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so we may see their result. |
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The two are the same, |
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But after they are produced, |
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they have different names. |
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|
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-- The Way of Lao-Tzu, tr. Wing-tsit Chan |
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|
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""") |
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|
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MERGED_RESULT = split_lines(""" The Way that can be told of is not the eternal Way; |
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The name that can be named is not the eternal name. |
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The Nameless is the origin of Heaven and Earth; |
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The Named is the mother of all things. |
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Therefore let there always be non-being, |
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so we may see their subtlety, |
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And let there always be being, |
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so we may see their result. |
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The two are the same, |
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But after they are produced, |
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they have different names. |
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<<<<<<< LAO |
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======= |
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|
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-- The Way of Lao-Tzu, tr. Wing-tsit Chan |
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|
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>>>>>>> TAO |
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""") |
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|
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class TestMerge3(TestCase): |
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def log(self, msg): |
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pass |
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|
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def test_no_changes(self): |
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"""No conflicts because nothing changed""" |
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m3 = Merge3(['aaa', 'bbb'], |
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['aaa', 'bbb'], |
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['aaa', 'bbb']) |
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|
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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), |
4633
ff7253a0d1da
Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
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|
217 |
'aaa\n' |
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Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
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|
218 |
'bbb\n' |
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Cleanup of whitespace, indentation and line continuation.
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|
219 |
'<< a\n' |
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Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
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|
220 |
'222\n' |
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Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
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|
221 |
'--\n' |
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Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
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changeset
|
222 |
'333\n' |
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Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
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|
223 |
'>> b\n' |
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Cleanup of whitespace, indentation and line continuation.
Thomas Arendsen Hein <thomas@intevation.de>
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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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|
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ml = m3.merge_lines(name_a='a', |
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name_b='b', |
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start_marker='<<', |
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mid_marker='--', |
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end_marker='>>') |
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self.assertEquals(''.join(ml), 'aaa\n222\nbbb\n') |
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|
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|
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def test_insert_clash(self): |
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"""Both try to insert lines in the same place.""" |
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m3 = Merge3(['aaa\n', 'bbb\n'], |
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['aaa\n', '111\n', 'bbb\n'], |
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['aaa\n', '222\n', 'bbb\n']) |
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|
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self.assertEquals(m3.find_unconflicted(), |
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[(0, 1), (1, 2)]) |
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|
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self.assertEquals(list(m3.find_sync_regions()), |
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[(0,1, 0,1, 0,1), |
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(1,2, 2,3, 2,3), |
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(2,2, 3,3, 3,3),]) |
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|
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self.assertEquals(list(m3.merge_regions()), |
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[('unchanged', 0,1), |
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('conflict', 1,1, 1,2, 1,2), |
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('unchanged', 1,2)]) |
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|
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self.assertEquals(list(m3.merge_groups()), |
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[('unchanged', ['aaa\n']), |
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('conflict', [], ['111\n'], ['222\n']), |
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('unchanged', ['bbb\n']), |
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]) |
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|
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ml = m3.merge_lines(name_a='a', |
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name_b='b', |
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start_marker='<<', |
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mid_marker='--', |
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end_marker='>>') |
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self.assertEquals(''.join(ml), |
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'''aaa |
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<< a |
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111 |
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-- |
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222 |
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>> b |
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bbb |
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''') |
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|
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def test_replace_clash(self): |
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"""Both try to insert lines in the same place.""" |
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m3 = Merge3(['aaa', '000', 'bbb'], |
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['aaa', '111', 'bbb'], |
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['aaa', '222', 'bbb']) |
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|
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self.assertEquals(m3.find_unconflicted(), |
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[(0, 1), (2, 3)]) |
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|
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self.assertEquals(list(m3.find_sync_regions()), |
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[(0,1, 0,1, 0,1), |
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(2,3, 2,3, 2,3), |
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(3,3, 3,3, 3,3),]) |
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|
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def test_replace_multi(self): |
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"""Replacement with regions of different size.""" |
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m3 = Merge3(['aaa', '000', '000', 'bbb'], |
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['aaa', '111', '111', '111', 'bbb'], |
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['aaa', '222', '222', '222', '222', 'bbb']) |
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|
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self.assertEquals(m3.find_unconflicted(), |
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[(0, 1), (3, 4)]) |
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|
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302 |
|
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303 |
self.assertEquals(list(m3.find_sync_regions()), |
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[(0,1, 0,1, 0,1), |
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305 |
(3,4, 4,5, 5,6), |
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(4,4, 5,5, 6,6),]) |
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|
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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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ml = list(m3.merge_lines('LAO', 'TAO')) |
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self.log('merge result:') |
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self.log(''.join(ml)) |
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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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this_text = ("a\n"*10+"b\n" * 10).splitlines(True) |
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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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+ 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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Import 3-way merge code from bzr
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parents:
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changeset
|
342 |
+ ["<<<<<<< OTHER\n1\n=======\nN\n>>>>>>> THIS\n"] |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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changeset
|
343 |
+ add_newline('OPQRSTUVWXY') |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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changeset
|
344 |
+ ["<<<<<<< OTHER\n2\n=======\nZ\n>>>>>>> THIS\n"] |
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Import 3-way merge code from bzr
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changeset
|
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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|
350 |
"""Add a newline to each entry in the string""" |
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Import 3-way merge code from bzr
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|
351 |
return [(x+'\n') for x in s] |
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changeset
|
352 |
|
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changeset
|
353 |
base_text = add_newline("abacddefgghij") |
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Import 3-way merge code from bzr
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parents:
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changeset
|
354 |
this_text = add_newline("abacddefgghijkalmontfprz") |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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changeset
|
355 |
other_text = add_newline("abacddefgghijknlmontfprd") |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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changeset
|
356 |
m3 = Merge3(base_text, other_text, this_text) |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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|
357 |
m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True) |
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Import 3-way merge code from bzr
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|
358 |
merged_text = "".join(list(m_lines)) |
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Import 3-way merge code from bzr
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changeset
|
359 |
optimal_text = ''.join(add_newline("abacddefgghijk") |
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Import 3-way merge code from bzr
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parents:
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changeset
|
360 |
+ ["<<<<<<< OTHER\nn\n=======\na\n>>>>>>> THIS\n"] |
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Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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changeset
|
361 |
+ add_newline('lmontfpr') |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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changeset
|
362 |
+ ["<<<<<<< OTHER\nd\n=======\nz\n>>>>>>> THIS\n"] |
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Import 3-way merge code from bzr
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parents:
diff
changeset
|
363 |
) |
4359
2e3c54fb79a3
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|
364 |
self.assertEquals(optimal_text, merged_text) |
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|
365 |
|
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|
366 |
def test_reprocess_and_base(self): |
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|
367 |
"""Reprocessing and showing base breaks correctly""" |
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|
368 |
base_text = ("a\n" * 20).splitlines(True) |
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Import 3-way merge code from bzr
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|
369 |
this_text = ("a\n"*10+"b\n" * 10).splitlines(True) |
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|
370 |
other_text = ("a\n"*10+"c\n"+"b\n" * 8 + "c\n").splitlines(True) |
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|
371 |
m3 = Merge3(base_text, other_text, this_text) |
4516
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Removed trailing whitespace and tabs from python files
Thomas Arendsen Hein <thomas@intevation.de>
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|
372 |
m_lines = m3.merge_lines('OTHER', 'THIS', reprocess=True, |
4358
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|
373 |
base_marker='|||||||') |
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|
374 |
self.assertRaises(CantReprocessAndShowBase, list, m_lines) |
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|
375 |
|
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|
376 |
def test_binary(self): |
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|
377 |
self.assertRaises(util.Abort, Merge3, ['\x00'], ['a'], ['b']) |
4358
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changeset
|
378 |
|
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changeset
|
379 |
def test_dos_text(self): |
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
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' |
465b9ea02868
Import 3-way merge code from bzr
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
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
385 |
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
|
386 |
self.assertEqual('<<<<<<< OTHER\r\nc\r\n=======\r\nb\r\n' |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
387 |
'>>>>>>> THIS\r\n'.splitlines(True), list(m_lines)) |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
388 |
|
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
389 |
def test_mac_text(self): |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
390 |
base_text = 'a\r' |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
391 |
this_text = 'b\r' |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff
changeset
|
392 |
other_text = 'c\r' |
465b9ea02868
Import 3-way merge code from bzr
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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)) |
465b9ea02868
Import 3-way merge code from bzr
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>
parents:
4358
diff
changeset
|
399 |
if __name__ == '__main__': |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
400 |
# hide the timer |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
401 |
import time |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
402 |
orig = time.time |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
403 |
try: |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
404 |
time.time = lambda: 0 |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
405 |
unittest.main() |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
406 |
finally: |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
407 |
time.time = orig |
2e3c54fb79a3
actually port simplemerge to hg
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
4358
diff
changeset
|
408 |