~bzr-pqm/bzr/bzr.dev

# 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 repository break-lock."""

from cStringIO import StringIO

import bzrlib

import bzrlib.errors as errors

from bzrlib.tests.repository_implementations.test_repository import TestCaseWithRepository

from bzrlib.transport import get_transport

from bzrlib.workingtree import WorkingTree

class TestBreakLock(TestCaseWithRepository):

    def setUp(self):

        super(TestBreakLock, self).setUp()

        self.unused_repo = self.make_repository('.')

        self.repo = self.unused_repo.bzrdir.open_repository()

        # 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()

        bzrlib.ui.ui_factory.stdin = StringIO("y\n")

    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.repo.break_lock()

        except NotImplementedError:

            pass

    def test_locked(self):

        # break_lock when locked should

        self.repo.lock_write()

        try:

            self.unused_repo.break_lock()

        except NotImplementedError:

            # repository does not support break_lock

            self.repo.unlock()

            return

        self.assertRaises(errors.LockBroken, self.repo.unlock)