60b6a9fe9d
In order to transition to a python 3.x compatible world, lets switch to mox3 which is python 3.x compatible drop-in replacement of mox. Change-Id: Iaa22779cd516f842c9f70828f863f90ddae0bab5
316 lines
11 KiB
Python
316 lines
11 KiB
Python
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# Copyright 2013 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import fixtures
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from mox3 import mox
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from oslo.config import cfg
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import six
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from stevedore import driver
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import testscenarios
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from oslo import messaging
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from oslo.messaging import transport
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from tests import utils as test_utils
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load_tests = testscenarios.load_tests_apply_scenarios
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class _FakeDriver(object):
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def __init__(self, conf):
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self.conf = conf
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def send(self, *args, **kwargs):
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pass
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def send_notification(self, *args, **kwargs):
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pass
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def listen(self, target):
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pass
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class _FakeManager(object):
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def __init__(self, driver):
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self.driver = driver
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class GetTransportTestCase(test_utils.BaseTestCase):
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scenarios = [
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('rpc_backend',
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dict(url=None, transport_url=None, rpc_backend='testbackend',
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control_exchange=None, allowed=None, aliases=None,
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expect=dict(backend='testbackend',
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exchange=None,
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url='testbackend:',
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allowed=[]))),
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('transport_url',
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dict(url=None, transport_url='testtransport:', rpc_backend=None,
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control_exchange=None, allowed=None, aliases=None,
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expect=dict(backend='testtransport',
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exchange=None,
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url='testtransport:',
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allowed=[]))),
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('url_param',
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dict(url='testtransport:', transport_url=None, rpc_backend=None,
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control_exchange=None, allowed=None, aliases=None,
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expect=dict(backend='testtransport',
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exchange=None,
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url='testtransport:',
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allowed=[]))),
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('control_exchange',
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dict(url=None, transport_url=None, rpc_backend='testbackend',
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control_exchange='testexchange', allowed=None, aliases=None,
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expect=dict(backend='testbackend',
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exchange='testexchange',
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url='testbackend:',
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allowed=[]))),
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('allowed_remote_exmods',
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dict(url=None, transport_url=None, rpc_backend='testbackend',
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control_exchange=None, allowed=['foo', 'bar'], aliases=None,
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expect=dict(backend='testbackend',
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exchange=None,
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url='testbackend:',
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allowed=['foo', 'bar']))),
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('rpc_backend_aliased',
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dict(url=None, transport_url=None, rpc_backend='testfoo',
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control_exchange=None, allowed=None,
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aliases=dict(testfoo='testbackend'),
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expect=dict(backend='testbackend',
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exchange=None,
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url='testbackend:',
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allowed=[]))),
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('transport_url_aliased',
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dict(url=None, transport_url='testfoo:', rpc_backend=None,
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control_exchange=None, allowed=None,
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aliases=dict(testfoo='testtransport'),
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expect=dict(backend='testtransport',
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exchange=None,
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url='testtransport:',
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allowed=[]))),
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('url_param_aliased',
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dict(url='testfoo:', transport_url=None, rpc_backend=None,
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control_exchange=None, allowed=None,
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aliases=dict(testfoo='testtransport'),
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expect=dict(backend='testtransport',
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exchange=None,
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url='testtransport:',
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allowed=[]))),
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]
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def setUp(self):
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super(GetTransportTestCase, self).setUp(conf=cfg.ConfigOpts())
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self.conf.register_opts(transport._transport_opts)
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def test_get_transport(self):
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self.config(rpc_backend=self.rpc_backend,
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control_exchange=self.control_exchange,
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transport_url=self.transport_url)
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self.mox.StubOutWithMock(driver, 'DriverManager')
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invoke_args = [self.conf,
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messaging.TransportURL.parse(self.conf,
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self.expect['url'])]
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invoke_kwds = dict(default_exchange=self.expect['exchange'],
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allowed_remote_exmods=self.expect['allowed'])
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drvr = _FakeDriver(self.conf)
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driver.DriverManager('oslo.messaging.drivers',
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self.expect['backend'],
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invoke_on_load=True,
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invoke_args=invoke_args,
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invoke_kwds=invoke_kwds).\
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AndReturn(_FakeManager(drvr))
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self.mox.ReplayAll()
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kwargs = dict(url=self.url)
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if self.allowed is not None:
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kwargs['allowed_remote_exmods'] = self.allowed
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if self.aliases is not None:
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kwargs['aliases'] = self.aliases
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transport = messaging.get_transport(self.conf, **kwargs)
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self.assertIsNotNone(transport)
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self.assertIs(transport.conf, self.conf)
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self.assertIs(transport._driver, drvr)
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class GetTransportSadPathTestCase(test_utils.BaseTestCase):
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scenarios = [
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('invalid_transport_url',
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dict(url=None, transport_url='invalid', rpc_backend=None,
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ex=dict(cls=messaging.InvalidTransportURL,
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msg_contains='No scheme specified',
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url='invalid'))),
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('invalid_url_param',
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dict(url='invalid', transport_url=None, rpc_backend=None,
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ex=dict(cls=messaging.InvalidTransportURL,
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msg_contains='No scheme specified',
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url='invalid'))),
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('driver_load_failure',
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dict(url=None, transport_url=None, rpc_backend='testbackend',
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ex=dict(cls=messaging.DriverLoadFailure,
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msg_contains='Failed to load',
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driver='testbackend'))),
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]
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def setUp(self):
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super(GetTransportSadPathTestCase, self).setUp(conf=cfg.ConfigOpts())
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self.conf.register_opts(transport._transport_opts)
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def test_get_transport_sad(self):
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self.config(rpc_backend=self.rpc_backend,
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transport_url=self.transport_url)
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if self.rpc_backend:
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self.mox.StubOutWithMock(driver, 'DriverManager')
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invoke_args = [self.conf,
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messaging.TransportURL.parse(self.conf,
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self.url)]
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invoke_kwds = dict(default_exchange='openstack',
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allowed_remote_exmods=[])
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driver.DriverManager('oslo.messaging.drivers',
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self.rpc_backend,
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invoke_on_load=True,
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invoke_args=invoke_args,
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invoke_kwds=invoke_kwds).\
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AndRaise(RuntimeError())
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self.mox.ReplayAll()
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try:
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messaging.get_transport(self.conf, url=self.url)
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self.assertFalse(True)
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except Exception as ex:
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ex_cls = self.ex.pop('cls')
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ex_msg_contains = self.ex.pop('msg_contains')
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self.assertIsInstance(ex, messaging.MessagingException)
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self.assertIsInstance(ex, ex_cls)
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self.assertIn(ex_msg_contains, six.text_type(ex))
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for k, v in self.ex.items():
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self.assertTrue(hasattr(ex, k))
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self.assertEqual(str(getattr(ex, k)), v)
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# FIXME(markmc): this could be used elsewhere
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class _SetDefaultsFixture(fixtures.Fixture):
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def __init__(self, set_defaults, opts, *names):
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super(_SetDefaultsFixture, self).__init__()
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self.set_defaults = set_defaults
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self.opts = opts
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self.names = names
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def setUp(self):
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super(_SetDefaultsFixture, self).setUp()
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# FIXME(markmc): this comes from Id5c1f3ba
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def first(seq, default=None, key=None):
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if key is None:
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key = bool
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return next(six.moves.filter(key, seq), default)
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def default(opts, name):
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return first(opts, key=lambda o: o.name == name).default
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orig_defaults = {}
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for n in self.names:
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orig_defaults[n] = default(self.opts, n)
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def restore_defaults():
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self.set_defaults(**orig_defaults)
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self.addCleanup(restore_defaults)
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class TestSetDefaults(test_utils.BaseTestCase):
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def setUp(self):
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super(TestSetDefaults, self).setUp(conf=cfg.ConfigOpts())
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self.useFixture(_SetDefaultsFixture(messaging.set_transport_defaults,
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transport._transport_opts,
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'control_exchange'))
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def test_set_default_control_exchange(self):
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messaging.set_transport_defaults(control_exchange='foo')
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self.mox.StubOutWithMock(driver, 'DriverManager')
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invoke_kwds = mox.ContainsKeyValue('default_exchange', 'foo')
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driver.DriverManager(mox.IgnoreArg(),
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mox.IgnoreArg(),
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invoke_on_load=mox.IgnoreArg(),
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invoke_args=mox.IgnoreArg(),
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invoke_kwds=invoke_kwds).\
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AndReturn(_FakeManager(_FakeDriver(self.conf)))
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self.mox.ReplayAll()
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messaging.get_transport(self.conf)
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class TestTransportMethodArgs(test_utils.BaseTestCase):
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_target = messaging.Target(topic='topic', server='server')
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def test_send_defaults(self):
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t = transport.Transport(_FakeDriver(cfg.CONF))
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self.mox.StubOutWithMock(t._driver, 'send')
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t._driver.send(self._target, 'ctxt', 'message',
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wait_for_reply=None,
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timeout=None)
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self.mox.ReplayAll()
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t._send(self._target, 'ctxt', 'message')
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def test_send_all_args(self):
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t = transport.Transport(_FakeDriver(cfg.CONF))
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self.mox.StubOutWithMock(t._driver, 'send')
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t._driver.send(self._target, 'ctxt', 'message',
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wait_for_reply='wait_for_reply',
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timeout='timeout')
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self.mox.ReplayAll()
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t._send(self._target, 'ctxt', 'message',
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wait_for_reply='wait_for_reply',
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timeout='timeout')
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def test_send_notification(self):
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t = transport.Transport(_FakeDriver(cfg.CONF))
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self.mox.StubOutWithMock(t._driver, 'send_notification')
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t._driver.send_notification(self._target, 'ctxt', 'message', 1.0)
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self.mox.ReplayAll()
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t._send_notification(self._target, 'ctxt', 'message', version=1.0)
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def test_listen(self):
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t = transport.Transport(_FakeDriver(cfg.CONF))
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self.mox.StubOutWithMock(t._driver, 'listen')
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t._driver.listen(self._target)
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self.mox.ReplayAll()
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t._listen(self._target)
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