~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for implementations of Repository.has_revisions."""

from bzrlib.revision import NULL_REVISION

from bzrlib.tests.per_repository import TestCaseWithRepository

class TestHasRevisions(TestCaseWithRepository):

    def test_empty_list(self):

        repo = self.make_repository('.')

        self.assertEqual(set(), repo.has_revisions([]))

    def test_superset(self):

        tree = self.make_branch_and_tree('.')

        repo = tree.branch.repository

        rev1 = tree.commit('1')

        rev2 = tree.commit('2')

        rev3 = tree.commit('3')

        self.assertEqual(set([rev1, rev3]),

            repo.has_revisions([rev1, rev3, 'foobar:']))

    def test_NULL(self):

        # NULL_REVISION is always present. So for

        # compatibility with 'has_revision' we make this work.

        repo = self.make_repository('.')

        self.assertEqual(set([NULL_REVISION]),

            repo.has_revisions([NULL_REVISION]))