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# Copyright (C) 2011, 2016 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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for br in [branch_a, branch_b, branch_c]:
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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(
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urlutils.relative_url(branch_b.base, branch_a.base))
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branch_c = self.make_branch('c')
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branch_c.set_stacked_on_url(
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urlutils.relative_url(branch_c.base, branch_b.base))
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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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def make_stacked_branch_with_long_history(self):
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builder = self.make_branch_builder('source')
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builder.start_series()
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builder.build_snapshot('A', None, [
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('add', ('', 'directory', 'root-id', None))])
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builder.build_snapshot('B', ['A'], [])
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builder.build_snapshot('C', ['B'], [])
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builder.build_snapshot('D', ['C'], [])
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builder.build_snapshot('E', ['D'], [])
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builder.build_snapshot('F', ['E'], [])
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source_b = builder.get_branch()
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master_b = self.make_branch('master')
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master_b.pull(source_b, stop_revision='E')
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stacked_b = self.make_branch('stacked')
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stacked_b.set_stacked_on_url('../master')
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stacked_b.pull(source_b, stop_revision='F')
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builder.finish_series()
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return master_b, stacked_b
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def assertParentMapCalls(self, expected):
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"""Check that self.hpss_calls has the expected get_parent_map calls."""
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get_parent_map_calls = []
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for c in self.hpss_calls:
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# Right now, the only RPCs that get called are get_parent_map. If
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# this changes in the future, we can change this to:
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# if c.call.method != 'Repository.get_parent_map':
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self.assertEqual('Repository.get_parent_map', c.call.method)
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self.assertEqual('include-missing:', args[1])
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revisions = sorted(args[2:])
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get_parent_map_calls.append((location, revisions))
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self.assertEqual(expected, get_parent_map_calls)
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def test_doesnt_call_get_parent_map_on_all_fallback_revs(self):
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if not isinstance(self.repository_format,
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remote.RemoteRepositoryFormat):
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raise tests.TestNotApplicable('only for RemoteRepository')
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master_b, stacked_b = self.make_stacked_branch_with_long_history()
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self.addCleanup(stacked_b.lock_read().unlock)
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self.make_repository('target_repo', shared=True)
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target_b = self.make_branch('target_repo/branch')
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self.addCleanup(target_b.lock_write().unlock)
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self.setup_smart_server_with_call_log()
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res = target_b.repository.search_missing_revision_ids(
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stacked_b.repository, revision_ids=['F'],
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self.assertParentMapCalls([
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# One call to stacked to start, which returns F=>E, and that E
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# itself is missing, so when we step, we won't look for it.
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('extra/stacked/', ['F']),
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# One fallback call to extra/master, which will return the rest of
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('extra/master/', ['E']),
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# And then one get_parent_map call to the target, to see if it
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# already has any of these revisions.
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('extra/target_repo/branch/', ['A', 'B', 'C', 'D', 'E', 'F']),
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# Before bug #388269 was fixed, there would be a bunch of extra calls
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# to 'extra/stacked', ['D'] then ['C'], then ['B'], then ['A'].
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# One-at-a-time for the rest of the ancestry.
added
removed
bzrlib/tests/per_repository_reference/test_graph.py
