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# 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 Repository.add_fallback_repository."""
from bzrlib import (
errors,
)
from bzrlib.revision import NULL_REVISION
from bzrlib.tests import TestNotApplicable
from bzrlib.tests.per_repository import TestCaseWithRepository
class TestAddFallbackRepository(TestCaseWithRepository):
def test_add_fallback_repository(self):
repo = self.make_repository('repo')
tree = self.make_branch_and_tree('branch')
if not repo._format.supports_external_lookups:
self.assertRaises(errors.UnstackableRepositoryFormat,
repo.add_fallback_repository, tree.branch.repository)
raise TestNotApplicable
repo.add_fallback_repository(tree.branch.repository)
# the repository has been added correctly if we can query against it.
revision_id = tree.commit('1st post')
repo.lock_read()
self.addCleanup(repo.unlock)
# can see all revisions
self.assertEqual(set([revision_id]), set(repo.all_revision_ids()))
# and can also query the parent map, either on the revisions
# versionedfiles, which works in tuple keys...
self.assertEqual({(revision_id,): ()},
repo.revisions.get_parent_map([(revision_id,)]))
# ... or on the repository directly...
self.assertEqual({revision_id: (NULL_REVISION,)},
repo.get_parent_map([revision_id]))
# ... or on the repository's graph.
self.assertEqual({revision_id: (NULL_REVISION,)},
repo.get_graph().get_parent_map([revision_id]))
# ... or on the repository's graph, when there is an other repository.
other = self.make_repository('other')
other.lock_read()
self.addCleanup(other.unlock)
self.assertEqual({revision_id: (NULL_REVISION,)},
repo.get_graph(other).get_parent_map([revision_id]))
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