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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for upgrades of various stacking situations."""
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from bzrlib.upgrade import upgrade
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class TestStackUpgrade(tests.TestCaseWithTransport):
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# TODO: This should possibly be repeated for all stacking repositories,
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# pairwise by rich/non-rich format; should possibly also try other kinds
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# of upgrades like knit->pack. -- mbp 20080804
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def test_stack_upgrade(self):
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"""Correct checks when stacked-on repository is upgraded.
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We initially stack on a repo with the same rich root support,
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we then upgrade it and should fail, we then upgrade the overlaid
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base = self.make_branch_and_tree('base',
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format=self.scenario_old_format)
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self.build_tree(['base/foo'])
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base.commit('base commit')
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# make another one stacked
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stacked = base.bzrdir.sprout('stacked', stacked=True)
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# this must really be stacked (or get_stacked_on_url raises an error)
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self.assertTrue(stacked.open_branch().get_stacked_on_url())
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# now we'll upgrade the underlying branch, then upgrade the stacked
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# branch, and this should still work.
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new_format = bzrdir.format_registry.make_bzrdir(
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self.scenario_new_format)
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upgrade('base', new_format)
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# in some cases you'll get an error if the underlying model has
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# changed; if just the data format has changed this should still work
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if self.scenario_model_change:
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self.assertRaises(errors.IncompatibleRepositories,
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stacked.open_branch().check()
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stacked = bzrdir.BzrDir.open('stacked')
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# but we can upgrade the stacked repository
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upgrade('stacked', new_format)
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stacked = bzrdir.BzrDir.open('stacked')
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stacked.open_branch().check()
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def load_tests(basic_tests, module, test_loader):
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"""Generate dynamic scenario tests.
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Called by the bzrlib test framework.
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scenario_pairs = [ # old format, new format, model_change
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# ('knit', 'rich-root', True),
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('knit', '1.6', False),
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# ('pack-0.92', '1.6', False),
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('1.6', '1.6-rich-root', True),
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for (old_name, new_name, model_change) in scenario_pairs:
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name = old_name + ', ' + new_name
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scenarios.append((name,
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dict(scenario_old_format=old_name,
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scenario_new_format=new_name,
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scenario_model_change=model_change)))
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adapter = tests.TestScenarioApplier()
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adapter.scenarios = scenarios
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suite = tests.TestSuite()
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tests.adapt_tests(basic_tests, adapter, suite)
added
removed
bzrlib/tests/test_upgrade_stacked.py
