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# Copyright (C) 2011 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 _make_parents_provider on stacked repositories."""
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from bzrlib.tests.per_repository import TestCaseWithRepository
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class Test_MakeParentsProvider(TestCaseWithRepository):
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def test_add_fallback_after_make_pp(self):
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"""Fallbacks added after _make_parents_provider are used by that
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referring_repo = self.make_repository('repo')
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pp = referring_repo._make_parents_provider()
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# Initially referring_repo has no revisions and no fallbacks
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self.addCleanup(referring_repo.lock_read().unlock)
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self.assertEqual({}, pp.get_parent_map(['revid2']))
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# Add a fallback repo with a commit
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wt_a = self.make_branch_and_tree('fallback')
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wt_a.commit('first commit', rev_id='revid1')
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wt_a.commit('second commit', rev_id='revid2')
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fallback_repo = wt_a.branch.repository
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referring_repo.add_fallback_repository(fallback_repo)
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# Now revid1 appears in pp's results.
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self.assertEqual(('revid1',), pp.get_parent_map(['revid2'])['revid2'])