~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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Tests for Branch.revision_id_to_revno()"""

from bzrlib import errors

from bzrlib.tests.branch_implementations import TestCaseWithBranch

class TestRevisionIdToRevno(TestCaseWithBranch):

    def test_simple_revno(self):

        tree = self.create_tree_with_merge()

        the_branch = tree.branch

        self.assertEqual(0, the_branch.revision_id_to_revno(None))

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

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

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

        self.assertRaises(errors.NoSuchRevision,

                          the_branch.revision_id_to_revno, 'rev-none')

        # revision_id_to_revno is defined as returning only integer revision

        # numbers, so non-mainline revisions get NoSuchRevision raised

        self.assertRaises(errors.NoSuchRevision,

                          the_branch.revision_id_to_revno, 'rev-1.1.1')