79 lines
2.6 KiB
Python
79 lines
2.6 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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__all__ = ['ConfFixture']
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import sys
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import fixtures
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def _import_opts(conf, module, opts):
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__import__(module)
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conf.register_opts(getattr(sys.modules[module], opts))
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class ConfFixture(fixtures.Fixture):
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"""Tweak configuration options for unit testing.
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oslo.messaging registers a number of configuration options, but rather than
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directly referencing those options, users of the API should use this
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interface for querying and overriding certain configuration options.
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An example usage::
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self.messaging_conf = self.useFixture(messaging.ConfFixture(cfg.CONF))
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self.messaging_conf.transport_driver = 'fake'
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:param conf: a ConfigOpts instance
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:type conf: oslo.config.cfg.ConfigOpts
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"""
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def __init__(self, conf):
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self.conf = conf
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_import_opts(self.conf,
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'oslo.messaging._drivers.impl_rabbit', 'rabbit_opts')
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_import_opts(self.conf,
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'oslo.messaging._drivers.impl_qpid', 'qpid_opts')
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_import_opts(self.conf,
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'oslo.messaging._drivers.amqp', 'amqp_opts')
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_import_opts(self.conf, 'oslo.messaging.rpc.client', '_client_opts')
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_import_opts(self.conf, 'oslo.messaging.transport', '_transport_opts')
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_import_opts(self.conf,
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'oslo.messaging.notify.notifier', '_notifier_opts')
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def setUp(self):
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super(ConfFixture, self).setUp()
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self.addCleanup(self.conf.reset)
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@property
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def transport_driver(self):
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"""The transport driver - for example 'rabbit', 'qpid' or 'fake'."""
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return self.conf.rpc_backend
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@transport_driver.setter
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def transport_driver(self, value):
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self.conf.set_override('rpc_backend', value)
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@property
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def response_timeout(self):
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"""Default number of seconds to wait for a response from a call."""
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return self.conf.rpc_response_timeout
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@response_timeout.setter
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def response_timeout(self, value):
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self.conf.set_override('rpc_response_timeout', value)
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