~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007 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 Branch.dotted_revno_to_revision_id()"""

from bzrlib import errors

from bzrlib.tests.per_branch import TestCaseWithBranch

class TestDottedRevnoToRevisionId(TestCaseWithBranch):

    def test_lookup_revision_id_by_dotted(self):

        tree = self.create_tree_with_merge()

        the_branch = tree.branch

        the_branch.lock_read()

        self.addCleanup(the_branch.unlock)

        self.assertEqual('null:', the_branch.dotted_revno_to_revision_id((0,)))

        self.assertEqual('rev-1', the_branch.dotted_revno_to_revision_id((1,)))

        self.assertEqual('rev-2', the_branch.dotted_revno_to_revision_id((2,)))

        self.assertEqual('rev-3', the_branch.dotted_revno_to_revision_id((3,)))

        self.assertEqual('rev-1.1.1', the_branch.dotted_revno_to_revision_id(

            (1,1,1)))

        self.assertRaises(errors.NoSuchRevision,

                          the_branch.dotted_revno_to_revision_id, (1,0,2))

        # Test reverse caching

        self.assertEqual(None,

            the_branch._partial_revision_id_to_revno_cache.get('rev-1'))

        self.assertEqual('rev-1', the_branch.dotted_revno_to_revision_id((1,),

            _cache_reverse=True))

        self.assertEqual((1,),

            the_branch._partial_revision_id_to_revno_cache.get('rev-1'))