1
# Copyright (C) 2008, 2009, 2011 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18
"""Tests for upgrades of various stacking situations."""
26
from bzrlib.upgrade import upgrade
27
from bzrlib.tests.scenarios import load_tests_apply_scenarios
30
def upgrade_scenarios():
31
scenario_pairs = [ # old format, new format, model_change
32
# ('knit', 'rich-root', True),
33
('knit', '1.6', False),
34
# ('pack-0.92', '1.6', False),
35
('1.6', '1.6.1-rich-root', True),
38
for (old_name, new_name, model_change) in scenario_pairs:
39
name = old_name + ', ' + new_name
40
scenarios.append((name,
41
dict(scenario_old_format=old_name,
42
scenario_new_format=new_name,
43
scenario_model_change=model_change)))
47
load_tests = load_tests_apply_scenarios
50
class TestStackUpgrade(tests.TestCaseWithTransport):
51
# TODO: This should possibly be repeated for all stacking repositories,
52
# pairwise by rich/non-rich format; should possibly also try other kinds
53
# of upgrades like knit->pack. -- mbp 20080804
55
scenarios = upgrade_scenarios()
57
def test_stack_upgrade(self):
58
"""Correct checks when stacked-on repository is upgraded.
60
We initially stack on a repo with the same rich root support,
61
we then upgrade it and should fail, we then upgrade the overlaid
64
base = self.make_branch_and_tree('base',
65
format=self.scenario_old_format)
66
self.build_tree(['base/foo'])
67
base.commit('base commit')
68
# make another one stacked
69
stacked = base.bzrdir.sprout('stacked', stacked=True)
70
# this must really be stacked (or get_stacked_on_url raises an error)
71
self.assertTrue(stacked.open_branch().get_stacked_on_url())
72
# now we'll upgrade the underlying branch, then upgrade the stacked
73
# branch, and this should still work.
74
new_format = controldir.format_registry.make_bzrdir(
75
self.scenario_new_format)
76
upgrade('base', new_format)
77
# in some cases you'll get an error if the underlying model has
78
# changed; if just the data format has changed this should still work
79
if self.scenario_model_change:
80
self.assertRaises(errors.IncompatibleRepositories,
83
check.check_dwim('stacked', False, True, True)
84
stacked = controldir.ControlDir.open('stacked')
85
# but we can upgrade the stacked repository
86
upgrade('stacked', new_format)
88
stacked = controldir.ControlDir.open('stacked')
90
check.check_dwim('stacked', False, True, True)