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# Copyright (C) 2008 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for Repository.add_fallback_repository."""
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from bzrlib.revision import NULL_REVISION
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from bzrlib.tests import TestNotApplicable
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from bzrlib.tests.per_repository import TestCaseWithRepository
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class TestAddFallbackRepository(TestCaseWithRepository):
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def test_add_fallback_repository(self):
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repo = self.make_repository('repo')
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tree = self.make_branch_and_tree('branch')
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if not repo._format.supports_external_lookups:
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self.assertRaises(errors.UnstackableRepositoryFormat,
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repo.add_fallback_repository, tree.branch.repository)
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raise TestNotApplicable
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repo.add_fallback_repository(tree.branch.repository)
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# the repository has been added correctly if we can query against it.
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revision_id = tree.commit('1st post')
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self.addCleanup(repo.unlock)
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# can see all revisions
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self.assertEqual(set([revision_id]), set(repo.all_revision_ids()))
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# and can also query the parent map, either on the revisions
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# versionedfiles, which works in tuple keys...
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self.assertEqual({(revision_id,): ()},
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repo.revisions.get_parent_map([(revision_id,)]))
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# ... or on the repository directly...
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self.assertEqual({revision_id: (NULL_REVISION,)},
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repo.get_parent_map([revision_id]))
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# ... or on the repository's graph.
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self.assertEqual({revision_id: (NULL_REVISION,)},
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repo.get_graph().get_parent_map([revision_id]))
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# ... or on the repository's graph, when there is an other repository.
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other = self.make_repository('other')
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self.addCleanup(other.unlock)
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self.assertEqual({revision_id: (NULL_REVISION,)},
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repo.get_graph(other).get_parent_map([revision_id]))