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# Copyright (C) 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
import sys
import os
from cStringIO import StringIO
from bzrlib.selftest import TestCase, TestCaseInTempDir
from bzrlib.branch import Branch
from bzrlib.revision import is_ancestor
class TestAncestry(TestCaseInTempDir):
def test_straightline_ancestry(self):
"""Test ancestry file when just committing."""
b = Branch.initialize('.')
b.commit(message='one',
allow_pointless=True,
rev_id='tester@foo--1')
b.commit(message='two',
allow_pointless=True,
rev_id='tester@foo--2')
ancs = b.get_ancestry('tester@foo--2')
self.assertEqual([None, 'tester@foo--1', 'tester@foo--2'], ancs)
self.assertEqual([None, 'tester@foo--1'],
b.get_ancestry('tester@foo--1'))
def test_none_is_always_an_ancestor(self):
b = Branch.initialize('.')
# note this is tested before any commits are done.
self.assertEqual(True, is_ancestor(None, None, b))
b.commit(message='one',
allow_pointless=True,
rev_id='tester@foo--1')
self.assertEqual(True, is_ancestor(None, None, b))
self.assertEqual(True, is_ancestor('tester@foo--1', None, b))
self.assertEqual(False, is_ancestor(None, 'tester@foo--1', b))
# TODO: check that ancestry is updated to include indirectly merged revisions
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