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# Copyright (C) 2010-2011 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman 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
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Test master watcher utilities."""
from __future__ import absolute_import, unicode_literals
__metaclass__ = type
__all__ = [
'test_suite',
]
import os
import errno
import tempfile
import unittest
from flufl.lock import Lock
from mailman.bin import master
class TestMasterLock(unittest.TestCase):
def setUp(self):
fd, self.lock_file = tempfile.mkstemp()
os.close(fd)
# The lock file should not exist before we try to acquire it.
os.remove(self.lock_file)
def tearDown(self):
# Unlocking removes the lock file, but just to be safe (i.e. in case
# of errors).
try:
os.remove(self.lock_file)
except OSError as error:
if error.errno != errno.ENOENT:
raise
def test_acquire_lock_1(self):
lock = master.acquire_lock_1(False, self.lock_file)
is_locked = lock.is_locked
lock.unlock()
self.failUnless(is_locked)
def test_master_state(self):
my_lock = Lock(self.lock_file)
# Mailman is not running.
state, lock = master.master_state(self.lock_file)
self.assertEqual(state, master.WatcherState.none)
# Acquire the lock as if another process had already started the
# master qrunner.
my_lock.lock()
try:
state, lock = master.master_state(self.lock_file)
finally:
my_lock.unlock()
self.assertEqual(state, master.WatcherState.conflict)
# XXX test stale_lock and host_mismatch states.
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(TestMasterLock))
return suite
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