~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2005 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

from StringIO import StringIO

from bzrlib.revisionspec import RevisionSpec

from bzrlib.status import show_pending_merges, show_tree_status

from bzrlib.tests import TestCaseWithTransport

class TestStatus(TestCaseWithTransport):

    def test_pending_none(self):

        # Test whether show_pending_merges works in a tree with no commits

        tree = self.make_branch_and_tree('a')

        tree.commit('empty commit')

        tree2 = self.make_branch_and_tree('b')

        # set a left most parent that is not a present commit

        tree2.add_parent_tree_id('some-ghost', allow_leftmost_as_ghost=True)

        # do a merge

        tree2.merge_from_branch(tree.branch)

        output = StringIO()

        show_pending_merges(tree2, output)

        self.assertContainsRe(output.getvalue(), 'empty commit')

    def tests_revision_to_revision(self):

        """doing a status between two revision trees should work."""

        tree = self.make_branch_and_tree('.')

        r1_id = tree.commit('one', allow_pointless=True)

        r2_id = tree.commit('two', allow_pointless=True)

        r2_tree = tree.branch.repository.revision_tree(r2_id)

        output = StringIO()

        show_tree_status(tree, to_file=output,

                     revision=[RevisionSpec.from_string("revid:%s" % r1_id),

                               RevisionSpec.from_string("revid:%s" % r2_id)])

        # return does not matter as long as it did not raise.