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# Copyright (C) 2004, 2005 by Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from bzrlib.selftest import InTempDir, TestBase
from bzrlib.merge3 import Merge3
class NoChanges(TestBase):
"""No conflicts because nothing changed"""
def runTest(self):
m3 = Merge3(['aaa', 'bbb'],
['aaa', 'bbb'],
['aaa', 'bbb'])
self.assertEquals(m3.find_unconflicted(),
[(0, 2)])
self.assertEquals(list(m3.find_sync_regions()),
[(0, 2,
0, 2,
0, 2),
(2,2, 2,2, 2,2)])
self.assertEquals(list(m3.merge_regions()),
[('unchanged', 0, 2)])
class FrontInsert(TestBase):
def runTest(self):
m3 = Merge3(['zz'],
['aaa', 'bbb', 'zz'],
['zz'])
# todo: should use a sentinal at end as from get_matching_blocks
# to match without zz
self.assertEquals(list(m3.find_sync_regions()),
[(0,1, 2,3, 0,1),
(1,1, 3,3, 1,1),])
self.assertEquals(list(m3.merge_regions()),
[('a', 0, 2),
('unchanged', 0, 1)])
class NullInsert(TestBase):
def runTest(self):
m3 = Merge3([],
['aaa', 'bbb'],
[])
# todo: should use a sentinal at end as from get_matching_blocks
# to match without zz
self.assertEquals(list(m3.find_sync_regions()),
[(0,0, 2,2, 0,0)])
self.assertEquals(list(m3.merge_regions()),
[('a', 0, 2)])
class NoConflicts(TestBase):
"""No conflicts because only one side changed"""
def runTest(self):
m3 = Merge3(['aaa', 'bbb'],
['aaa', '111', 'bbb'],
['aaa', 'bbb'])
self.assertEquals(m3.find_unconflicted(),
[(0, 1), (1, 2)])
self.assertEquals(list(m3.find_sync_regions()),
[(0,1, 0,1, 0,1),
(1,2, 2,3, 1,2),
(2,2, 3,3, 2,2),])
self.assertEquals(list(m3.merge_regions()),
[('unchanged', 0, 1),
('a', 1, 2),
('unchanged', 1, 2),])
class InsertClash(TestBase):
"""Both try to insert lines in the same place."""
def runTest(self):
m3 = Merge3(['aaa', 'bbb'],
['aaa', '111', 'bbb'],
['aaa', '222', 'bbb'])
self.assertEquals(m3.find_unconflicted(),
[(0, 1), (1, 2)])
self.assertEquals(list(m3.find_sync_regions()),
[(0,1, 0,1, 0,1),
(1,2, 2,3, 2,3),
(2,2, 3,3, 3,3),])
self.assertEquals(list(m3.merge_regions()),
[('unchanged', 0,1),
('conflict', 1,2, 1,2),
('unchanged', 1,2)])
class ReplaceClash(TestBase):
"""Both try to insert lines in the same place."""
def runTest(self):
m3 = Merge3(['aaa', '000', 'bbb'],
['aaa', '111', 'bbb'],
['aaa', '222', 'bbb'])
self.assertEquals(m3.find_unconflicted(),
[(0, 1), (2, 3)])
self.assertEquals(list(m3.find_sync_regions()),
[(0,1, 0,1, 0,1),
(2,3, 2,3, 2,3),
(3,3, 3,3, 3,3),])
class ReplaceMulti(TestBase):
"""Replacement with regions of different size."""
def runTest(self):
m3 = Merge3(['aaa', '000', '000', 'bbb'],
['aaa', '111', '111', '111', 'bbb'],
['aaa', '222', '222', '222', '222', 'bbb'])
self.assertEquals(m3.find_unconflicted(),
[(0, 1), (3, 4)])
self.assertEquals(list(m3.find_sync_regions()),
[(0,1, 0,1, 0,1),
(3,4, 4,5, 5,6),
(4,4, 5,5, 6,6),])
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