1
# Copyright (C) 2004, 2005 by Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
from bzrlib.selftest import InTempDir, TestCase
19
from bzrlib.merge3 import Merge3
25
class NoChanges(TestCase):
26
"""No conflicts because nothing changed"""
28
m3 = Merge3(['aaa', 'bbb'],
32
self.assertEquals(m3.find_unconflicted(),
35
self.assertEquals(list(m3.find_sync_regions()),
41
self.assertEquals(list(m3.merge_regions()),
42
[('unchanged', 0, 2)])
44
self.assertEquals(list(m3.merge_groups()),
45
[('unchanged', ['aaa', 'bbb'])])
48
class FrontInsert(TestCase):
54
# todo: should use a sentinal at end as from get_matching_blocks
56
self.assertEquals(list(m3.find_sync_regions()),
60
self.assertEquals(list(m3.merge_regions()),
64
self.assertEquals(list(m3.merge_groups()),
65
[('a', ['aaa', 'bbb']),
66
('unchanged', ['zz'])])
70
class NullInsert(TestCase):
76
# todo: should use a sentinal at end as from get_matching_blocks
78
self.assertEquals(list(m3.find_sync_regions()),
81
self.assertEquals(list(m3.merge_regions()),
84
self.assertEquals(list(m3.merge_lines()),
89
class NoConflicts(TestCase):
90
"""No conflicts because only one side changed"""
92
m3 = Merge3(['aaa', 'bbb'],
93
['aaa', '111', 'bbb'],
96
self.assertEquals(m3.find_unconflicted(),
99
self.assertEquals(list(m3.find_sync_regions()),
104
self.assertEquals(list(m3.merge_regions()),
105
[('unchanged', 0, 1),
107
('unchanged', 1, 2),])
111
class AppendA(TestCase):
113
m3 = Merge3(['aaa\n', 'bbb\n'],
114
['aaa\n', 'bbb\n', '222\n'],
117
self.assertEquals(''.join(m3.merge_lines()),
120
class AppendB(TestCase):
122
m3 = Merge3(['aaa\n', 'bbb\n'],
124
['aaa\n', 'bbb\n', '222\n'])
126
self.assertEquals(''.join(m3.merge_lines()),
129
class AppendAgreement(TestCase):
131
m3 = Merge3(['aaa\n', 'bbb\n'],
132
['aaa\n', 'bbb\n', '222\n'],
133
['aaa\n', 'bbb\n', '222\n'])
135
self.assertEquals(''.join(m3.merge_lines()),
138
class AppendClash(TestCase):
140
m3 = Merge3(['aaa\n', 'bbb\n'],
141
['aaa\n', 'bbb\n', '222\n'],
142
['aaa\n', 'bbb\n', '333\n'])
144
ml = m3.merge_lines(name_a='a',
149
self.assertEquals(''.join(ml),
161
class InsertAgreement(TestCase):
163
m3 = Merge3(['aaa\n', 'bbb\n'],
164
['aaa\n', '222\n', 'bbb\n'],
165
['aaa\n', '222\n', 'bbb\n'])
167
ml = m3.merge_lines(name_a='a',
172
self.assertEquals(''.join(m3.merge_lines()),
178
class InsertClash(TestCase):
179
"""Both try to insert lines in the same place."""
181
m3 = Merge3(['aaa\n', 'bbb\n'],
182
['aaa\n', '111\n', 'bbb\n'],
183
['aaa\n', '222\n', 'bbb\n'])
185
self.assertEquals(m3.find_unconflicted(),
188
self.assertEquals(list(m3.find_sync_regions()),
193
self.assertEquals(list(m3.merge_regions()),
195
('conflict', 1,1, 1,2, 1,2),
198
self.assertEquals(list(m3.merge_groups()),
199
[('unchanged', ['aaa\n']),
200
('conflict', [], ['111\n'], ['222\n']),
201
('unchanged', ['bbb\n']),
204
ml = m3.merge_lines(name_a='a',
209
self.assertEquals(''.join(ml),
221
class ReplaceClash(TestCase):
222
"""Both try to insert lines in the same place."""
224
m3 = Merge3(['aaa', '000', 'bbb'],
225
['aaa', '111', 'bbb'],
226
['aaa', '222', 'bbb'])
228
self.assertEquals(m3.find_unconflicted(),
231
self.assertEquals(list(m3.find_sync_regions()),
238
class ReplaceMulti(TestCase):
239
"""Replacement with regions of different size."""
241
m3 = Merge3(['aaa', '000', '000', 'bbb'],
242
['aaa', '111', '111', '111', 'bbb'],
243
['aaa', '222', '222', '222', '222', 'bbb'])
245
self.assertEquals(m3.find_unconflicted(),
249
self.assertEquals(list(m3.find_sync_regions()),
261
from cStringIO import StringIO
262
return StringIO(t).readlines()
266
############################################################
267
# test case from the gnu diffutils manual
270
TZU = split_lines(""" The Nameless is the origin of Heaven and Earth;
271
The named is the mother of all things.
273
Therefore let there always be non-being,
274
so we may see their subtlety,
275
And let there always be being,
276
so we may see their outcome.
277
The two are the same,
278
But after they are produced,
279
they have different names.
280
They both may be called deep and profound.
281
Deeper and more profound,
282
The door of all subtleties!
285
LAO = split_lines(""" The Way that can be told of is not the eternal Way;
286
The name that can be named is not the eternal name.
287
The Nameless is the origin of Heaven and Earth;
288
The Named is the mother of all things.
289
Therefore let there always be non-being,
290
so we may see their subtlety,
291
And let there always be being,
292
so we may see their outcome.
293
The two are the same,
294
But after they are produced,
295
they have different names.
299
TAO = split_lines(""" The Way that can be told of is not the eternal Way;
300
The name that can be named is not the eternal name.
301
The Nameless is the origin of Heaven and Earth;
302
The named is the mother of all things.
304
Therefore let there always be non-being,
305
so we may see their subtlety,
306
And let there always be being,
307
so we may see their result.
308
The two are the same,
309
But after they are produced,
310
they have different names.
312
-- The Way of Lao-Tzu, tr. Wing-tsit Chan
316
MERGED_RESULT = split_lines(""" The Way that can be told of is not the eternal Way;
317
The name that can be named is not the eternal name.
318
The Nameless is the origin of Heaven and Earth;
319
The Named is the mother of all things.
320
Therefore let there always be non-being,
321
so we may see their subtlety,
322
And let there always be being,
323
so we may see their result.
324
The two are the same,
325
But after they are produced,
326
they have different names.
330
-- The Way of Lao-Tzu, tr. Wing-tsit Chan
337
class MergePoem(TestCase):
338
"""Test case from diff3 manual"""
340
m3 = Merge3(TZU, LAO, TAO)
341
ml = list(m3.merge_lines('LAO', 'TAO'))
342
self.log('merge result:')
343
self.log(''.join(ml))
344
self.assertEquals(ml, MERGED_RESULT)
added
removed
bzrlib/selftest/testmerge3.py
