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# Copyright (C) 2006 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tests for branch break-lock behaviour."""
from cStringIO import StringIO
import bzrlib
import bzrlib.errors as errors
from bzrlib.tests import TestCase, TestCaseWithTransport, TestNotApplicable
from bzrlib.tests.branch_implementations.test_branch import TestCaseWithBranch
class TestBreakLock(TestCaseWithBranch):
def setUp(self):
super(TestBreakLock, self).setUp()
self.unused_branch = self.make_branch('branch')
self.branch = self.unused_branch.bzrdir.open_branch()
# we want a UI factory that accepts canned input for the tests:
# while SilentUIFactory still accepts stdin, we need to customise
# ours
self.old_factory = bzrlib.ui.ui_factory
self.addCleanup(self.restoreFactory)
bzrlib.ui.ui_factory = bzrlib.ui.SilentUIFactory()
def restoreFactory(self):
bzrlib.ui.ui_factory = self.old_factory
def test_unlocked(self):
# break lock when nothing is locked should just return
try:
self.branch.break_lock()
except NotImplementedError:
pass
def test_unlocked_repo_locked(self):
# break lock on the branch should try on the repository even
# if the branch isn't locked
self.branch.repository.lock_write()
other_instance = self.branch.repository.bzrdir.open_repository()
if not other_instance.get_physical_lock_status():
raise TestNotApplicable("Repository does not lock persistently.")
bzrlib.ui.ui_factory.stdin = StringIO("y\n")
try:
self.unused_branch.break_lock()
except NotImplementedError:
# branch does not support break_lock
self.branch.repository.unlock()
return
self.assertRaises(errors.LockBroken, self.branch.repository.unlock)
def test_locked(self):
# break_lock when locked should unlock the branch and repo
self.branch.lock_write()
bzrlib.ui.ui_factory.stdin = StringIO("y\ny\n")
try:
self.unused_branch.break_lock()
except NotImplementedError:
# branch does not support break_lock
self.branch.unlock()
return
self.assertRaises(errors.LockBroken, self.branch.unlock)
def test_unlocks_master_branch(self):
# break_lock when when the master branch is locked should offer to
# unlock it.
master = self.make_branch('master')
try:
self.branch.bind(master)
except errors.UpgradeRequired:
# this branch does not support binding.
return
master.lock_write()
bzrlib.ui.ui_factory.stdin = StringIO("y\ny\n")
try:
self.unused_branch.break_lock()
except NotImplementedError:
# branch does not support break_lock
master.unlock()
return
self.assertRaises(errors.LockBroken, master.unlock)
# can we lock it now ?
master.lock_write()
master.unlock()
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