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# (C) 2006 Canonical Ltd
# Authors: Robert Collins <robert.collins@canonical.com>
#
# 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
"""Tests for interface conformance of 'workingtree.get_parent_ids'"""
from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree
class TestGetParentIds(TestCaseWithWorkingTree):
def test_get_parent_ids(self):
t = self.make_branch_and_tree('t1')
self.assertEqual([], t.get_parent_ids())
rev1_id = t.commit('foo', allow_pointless=True)
self.assertEqual([rev1_id], t.get_parent_ids())
t2 = t.bzrdir.sprout('t2').open_workingtree()
rev2_id = t2.commit('foo', allow_pointless=True)
self.assertEqual([rev2_id], t2.get_parent_ids())
self.merge(t2.branch, t)
self.assertEqual([rev1_id, rev2_id], t.get_parent_ids())
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