~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2004, 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 os

from bzrlib.selftest import TestCaseInTempDir

from bzrlib.errors import NoCommonAncestor, NoCommits

from bzrlib.branch import copy_branch

from bzrlib.merge import merge

class TestRevisionNamespaces(TestCaseInTempDir):

    def test_revision_namespaces(self):

        """Test revision specifiers.

        These identify revisions by date, etc."""

        from bzrlib.errors import NoSuchRevision

        from bzrlib.branch import Branch

        from bzrlib.revisionspec import RevisionSpec

        b = Branch.initialize('.')

        b.commit('Commit one', rev_id='a@r-0-1')

        b.commit('Commit two', rev_id='a@r-0-2')

        b.commit('Commit three', rev_id='a@r-0-3')

        self.assertEquals(RevisionSpec(None).in_history(b), (0, None))

        self.assertEquals(RevisionSpec(1).in_history(b), (1, 'a@r-0-1'))

        self.assertEquals(RevisionSpec('revno:1').in_history(b),

                          (1, 'a@r-0-1'))

        self.assertEquals(RevisionSpec('revid:a@r-0-1').in_history(b),

                          (1, 'a@r-0-1'))

        self.assertRaises(NoSuchRevision,

                          RevisionSpec('revid:a@r-0-0').in_history, b)

        self.assertRaises(TypeError, RevisionSpec, object)

        self.assertEquals(RevisionSpec('date:-tomorrow').in_history(b),

                          (3, 'a@r-0-3'))

        self.assertEquals(RevisionSpec('date:+today').in_history(b),

                          (1, 'a@r-0-1'))

        self.assertEquals(RevisionSpec('last:1').in_history(b),

                          (3, 'a@r-0-3'))

        self.assertEquals(RevisionSpec('-1').in_history(b), (3, 'a@r-0-3'))

#        self.assertEquals(b.get_revision_info('last:1'), (3, 'a@r-0-3'))

#        self.assertEquals(b.get_revision_info('-1'), (3, 'a@r-0-3'))

        self.assertEquals(RevisionSpec('ancestor:.').in_history(b).rev_id,

                          'a@r-0-3')

        os.mkdir('newbranch')

        b2 = Branch.initialize('newbranch')

        self.assertRaises(NoCommits, RevisionSpec('ancestor:.').in_history, b2)

        os.mkdir('copy')

        b3 = copy_branch(b, 'copy')

        b3.commit('Commit four', rev_id='b@r-0-4')

        self.assertEquals(RevisionSpec('ancestor:.').in_history(b3).rev_id,

                          'a@r-0-3')

        merge(['copy', -1], [None, None])

        b.commit('Commit five', rev_id='a@r-0-4')

        self.assertEquals(RevisionSpec('ancestor:copy').in_history(b).rev_id,

                          'b@r-0-4')

        self.assertEquals(RevisionSpec('ancestor:.').in_history(b3).rev_id,

                          'b@r-0-4')