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# This file is part of Buildbot. Buildbot 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, version 2.
#
# 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.
#
# Copyright Buildbot Team Members
from twisted.trial import unittest
from buildbot.util import subscription
from buildbot.test.util import compat
class subscriptions(unittest.TestCase):
def setUp(self):
self.subpt = subscription.SubscriptionPoint('test_sub')
def test_str(self):
self.assertIn('test_sub', str(self.subpt))
def test_subscribe_unsubscribe(self):
state = []
def cb(*args, **kwargs):
state.append((args, kwargs))
# subscribe
sub = self.subpt.subscribe(cb)
self.assertTrue(isinstance(sub, subscription.Subscription))
self.assertEqual(state, [])
# deliver
self.subpt.deliver(1, 2, a=3, b=4)
self.assertEqual(state, [((1,2), dict(a=3, b=4))])
state.pop()
# unsubscribe
sub.unsubscribe()
# don't receive events anymore
self.subpt.deliver(3, 4)
self.assertEqual(state, [])
@compat.usesFlushLoggedErrors
def test_exception(self):
def cb(*args, **kwargs):
raise RuntimeError('mah bucket!')
# subscribe
self.subpt.subscribe(cb)
try:
self.subpt.deliver()
except RuntimeError:
self.fail("should not have seen exception here!")
# log.err will cause Trial to complain about this error anyway, unless
# we clean it up
self.assertEqual(1, len(self.flushLoggedErrors(RuntimeError)))
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