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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 graph operations on stacked repositories."""
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from bzrlib.tests.per_repository import TestCaseWithRepository
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class TestGraph(TestCaseWithRepository):
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def test_get_known_graph_ancestry_stacked(self):
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"""get_known_graph_ancestry works correctly on stacking.
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See <https://bugs.launchpad.net/bugs/715000>.
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branch_a, branch_b, branch_c, revid_1 = self.make_double_stacked_branches()
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br.repository.get_known_graph_ancestry([revid_1]).topo_sort())
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def make_double_stacked_branches(self):
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wt_a = self.make_branch_and_tree('a')
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branch_a = wt_a.branch
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branch_b = self.make_branch('b')
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branch_b.set_stacked_on_url('../a')
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branch_c = self.make_branch('c')
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branch_c.set_stacked_on_url('../b')
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revid_1 = wt_a.commit('first commit')
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return branch_a, branch_b, branch_c, revid_1
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bzrlib/tests/per_repository_reference/test_graph.py
