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# Copyright (C) 2008, 2009, 2011 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for upgrades of various stacking situations."""
from bzrlib import (
controldir,
check,
errors,
tests,
)
from bzrlib.upgrade import upgrade
from bzrlib.tests.scenarios import load_tests_apply_scenarios
def upgrade_scenarios():
scenario_pairs = [ # old format, new format, model_change
# ('knit', 'rich-root', True),
('knit', '1.6', False),
# ('pack-0.92', '1.6', False),
('1.6', '1.6.1-rich-root', True),
]
scenarios = []
for (old_name, new_name, model_change) in scenario_pairs:
name = old_name + ', ' + new_name
scenarios.append((name,
dict(scenario_old_format=old_name,
scenario_new_format=new_name,
scenario_model_change=model_change)))
return scenarios
load_tests = load_tests_apply_scenarios
class TestStackUpgrade(tests.TestCaseWithTransport):
# TODO: This should possibly be repeated for all stacking repositories,
# pairwise by rich/non-rich format; should possibly also try other kinds
# of upgrades like knit->pack. -- mbp 20080804
scenarios = upgrade_scenarios()
def test_stack_upgrade(self):
"""Correct checks when stacked-on repository is upgraded.
We initially stack on a repo with the same rich root support,
we then upgrade it and should fail, we then upgrade the overlaid
repository.
"""
base = self.make_branch_and_tree('base',
format=self.scenario_old_format)
self.build_tree(['base/foo'])
base.commit('base commit')
# make another one stacked
stacked = base.bzrdir.sprout('stacked', stacked=True)
# this must really be stacked (or get_stacked_on_url raises an error)
self.assertTrue(stacked.open_branch().get_stacked_on_url())
# now we'll upgrade the underlying branch, then upgrade the stacked
# branch, and this should still work.
new_format = controldir.format_registry.make_bzrdir(
self.scenario_new_format)
upgrade('base', new_format)
# in some cases you'll get an error if the underlying model has
# changed; if just the data format has changed this should still work
if self.scenario_model_change:
self.assertRaises(errors.IncompatibleRepositories,
stacked.open_branch)
else:
check.check_dwim('stacked', False, True, True)
stacked = controldir.ControlDir.open('stacked')
# but we can upgrade the stacked repository
upgrade('stacked', new_format)
# and now it opens ok
stacked = controldir.ControlDir.open('stacked')
# And passes check.
check.check_dwim('stacked', False, True, True)
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