437 lines
14 KiB
Python
437 lines
14 KiB
Python
#
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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 os
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import time
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import uuid
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import fixtures
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from oslo_config import cfg
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from six import moves
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import oslo_messaging
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from oslo_messaging._drivers.zmq_driver import zmq_options
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from oslo_messaging.notify import notifier
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from oslo_messaging.tests import utils as test_utils
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class TestServerEndpoint(object):
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"""This MessagingServer that will be used during functional testing."""
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def __init__(self):
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self.ival = 0
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self.sval = ''
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def add(self, ctxt, increment):
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self.ival += increment
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return self.ival
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def subtract(self, ctxt, increment):
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if self.ival < increment:
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raise ValueError("ival can't go negative!")
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self.ival -= increment
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return self.ival
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def append(self, ctxt, text):
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self.sval += text
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return self.sval
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def long_running_task(self, ctxt, seconds):
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time.sleep(seconds)
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class TransportFixture(fixtures.Fixture):
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"""Fixture defined to setup the oslo_messaging transport."""
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def __init__(self, conf, url):
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self.conf = conf
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self.url = url
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def setUp(self):
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super(TransportFixture, self).setUp()
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self.transport = oslo_messaging.get_transport(self.conf, url=self.url)
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def cleanUp(self):
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try:
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self.transport.cleanup()
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except fixtures.TimeoutException:
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pass
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super(TransportFixture, self).cleanUp()
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def wait(self):
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# allow time for the server to connect to the broker
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time.sleep(0.5)
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class RpcServerFixture(fixtures.Fixture):
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"""Fixture to setup the TestServerEndpoint."""
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def __init__(self, conf, url, target, endpoint=None, ctrl_target=None,
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executor='eventlet'):
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super(RpcServerFixture, self).__init__()
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self.conf = conf
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self.url = url
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self.target = target
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self.endpoint = endpoint or TestServerEndpoint()
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self.executor = executor
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self.syncq = moves.queue.Queue()
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self.ctrl_target = ctrl_target or self.target
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def setUp(self):
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super(RpcServerFixture, self).setUp()
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endpoints = [self.endpoint, self]
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transport = self.useFixture(TransportFixture(self.conf, self.url))
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self.server = oslo_messaging.get_rpc_server(
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transport=transport.transport,
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target=self.target,
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endpoints=endpoints,
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executor=self.executor)
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self._ctrl = oslo_messaging.RPCClient(transport.transport,
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self.ctrl_target)
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self._start()
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transport.wait()
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def cleanUp(self):
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self._stop()
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super(RpcServerFixture, self).cleanUp()
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def _start(self):
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self.thread = test_utils.ServerThreadHelper(self.server)
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self.thread.start()
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def _stop(self):
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self.thread.stop()
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self.thread.join(timeout=30)
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if self.thread.isAlive():
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raise Exception("Server did not shutdown correctly")
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def ping(self, ctxt):
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pass
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def sync(self, ctxt):
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self.syncq.put('x')
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class RpcServerGroupFixture(fixtures.Fixture):
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def __init__(self, conf, url, topic=None, names=None, exchange=None,
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use_fanout_ctrl=False, endpoint=None):
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self.conf = conf
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self.url = url
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# NOTE(sileht): topic and server_name must be unique
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# to be able to run all tests in parallel
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self.topic = topic or str(uuid.uuid4())
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self.names = names or ["server_%i_%s" % (i, str(uuid.uuid4())[:8])
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for i in range(3)]
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self.exchange = exchange
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self.targets = [self._target(server=n) for n in self.names]
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self.use_fanout_ctrl = use_fanout_ctrl
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self.endpoint = endpoint
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def setUp(self):
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super(RpcServerGroupFixture, self).setUp()
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self.servers = [self.useFixture(self._server(t)) for t in self.targets]
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def _target(self, server=None, fanout=False):
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t = oslo_messaging.Target(exchange=self.exchange, topic=self.topic)
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t.server = server
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t.fanout = fanout
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return t
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def _server(self, target):
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ctrl = None
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if self.use_fanout_ctrl:
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ctrl = self._target(fanout=True)
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server = RpcServerFixture(self.conf, self.url, target,
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endpoint=self.endpoint,
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ctrl_target=ctrl)
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return server
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def client(self, server=None, cast=False):
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if server is None:
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target = self._target()
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else:
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if server == 'all':
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target = self._target(fanout=True)
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elif 0 <= server < len(self.targets):
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target = self.targets[server]
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else:
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raise ValueError("Invalid value for server: %r" % server)
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transport = self.useFixture(TransportFixture(self.conf, self.url))
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client = ClientStub(transport.transport, target, cast=cast,
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timeout=5)
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transport.wait()
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return client
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def sync(self, server=None):
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if server is None:
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for i in range(len(self.servers)):
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self.client(i).ping()
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else:
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if server == 'all':
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for s in self.servers:
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s.syncq.get(timeout=5)
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elif 0 <= server < len(self.targets):
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self.servers[server].syncq.get(timeout=5)
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else:
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raise ValueError("Invalid value for server: %r" % server)
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class RpcCall(object):
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def __init__(self, client, method, context):
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self.client = client
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self.method = method
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self.context = context
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def __call__(self, **kwargs):
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self.context['time'] = time.ctime()
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self.context['cast'] = False
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result = self.client.call(self.context, self.method, **kwargs)
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return result
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class RpcCast(RpcCall):
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def __call__(self, **kwargs):
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self.context['time'] = time.ctime()
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self.context['cast'] = True
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self.client.cast(self.context, self.method, **kwargs)
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class ClientStub(object):
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def __init__(self, transport, target, cast=False, name=None, **kwargs):
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self.name = name or "functional-tests"
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self.cast = cast
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self.client = oslo_messaging.RPCClient(transport, target, **kwargs)
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def __getattr__(self, name):
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context = {"application": self.name}
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if self.cast:
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return RpcCast(self.client, name, context)
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else:
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return RpcCall(self.client, name, context)
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class InvalidDistribution(object):
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def __init__(self, original, received):
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self.original = original
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self.received = received
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self.missing = []
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self.extra = []
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self.wrong_order = []
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def describe(self):
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text = "Sent %s, got %s; " % (self.original, self.received)
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e1 = ["%r was missing" % m for m in self.missing]
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e2 = ["%r was not expected" % m for m in self.extra]
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e3 = ["%r expected before %r" % (m[0], m[1]) for m in self.wrong_order]
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return text + ", ".join(e1 + e2 + e3)
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def __len__(self):
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return len(self.extra) + len(self.missing) + len(self.wrong_order)
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def get_details(self):
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return {}
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class IsValidDistributionOf(object):
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"""Test whether a given list can be split into particular
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sub-lists. All items in the original list must be in exactly one
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sub-list, and must appear in that sub-list in the same order with
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respect to any other items as in the original list.
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"""
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def __init__(self, original):
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self.original = original
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def __str__(self):
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return 'IsValidDistribution(%s)' % self.original
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def match(self, actual):
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errors = InvalidDistribution(self.original, actual)
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received = [[i for i in l] for l in actual]
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def _remove(obj, lists):
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for l in lists:
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if obj in l:
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front = l[0]
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l.remove(obj)
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return front
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return None
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for item in self.original:
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o = _remove(item, received)
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if not o:
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errors.missing += item
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elif item != o:
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errors.wrong_order.append([item, o])
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for l in received:
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errors.extra += l
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return errors or None
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class SkipIfNoTransportURL(test_utils.BaseTestCase):
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def setUp(self, conf=cfg.CONF):
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super(SkipIfNoTransportURL, self).setUp(conf=conf)
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driver = os.environ.get("TRANSPORT_DRIVER")
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if driver:
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self.url = os.environ.get('PIFPAF_URL')
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if driver == "pika" and self.url:
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self.url = self.url.replace("rabbit://", "pika://")
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else:
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self.url = os.environ.get('TRANSPORT_URL')
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if not self.url:
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self.skipTest("No transport url configured")
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zmq_options.register_opts(conf)
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zmq_matchmaker = os.environ.get('ZMQ_MATCHMAKER')
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if zmq_matchmaker:
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self.config(rpc_zmq_matchmaker=zmq_matchmaker,
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group="oslo_messaging_zmq")
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zmq_ipc_dir = os.environ.get('ZMQ_IPC_DIR')
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if zmq_ipc_dir:
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self.config(group="oslo_messaging_zmq",
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rpc_zmq_ipc_dir=zmq_ipc_dir)
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zmq_redis_port = os.environ.get('ZMQ_REDIS_PORT')
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if zmq_redis_port:
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self.config(port=zmq_redis_port, group="matchmaker_redis")
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self.config(check_timeout=10000, group="matchmaker_redis")
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self.config(wait_timeout=1000, group="matchmaker_redis")
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zmq_use_pub_sub = os.environ.get('ZMQ_USE_PUB_SUB')
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self.config(use_pub_sub=zmq_use_pub_sub,
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group='oslo_messaging_zmq')
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zmq_use_router_proxy = os.environ.get('ZMQ_USE_ROUTER_PROXY')
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self.config(use_router_proxy=zmq_use_router_proxy,
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group='oslo_messaging_zmq')
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zmq_use_acks = os.environ.get('ZMQ_USE_ACKS')
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self.config(rpc_use_acks=zmq_use_acks,
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group='oslo_messaging_zmq')
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class NotificationFixture(fixtures.Fixture):
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def __init__(self, conf, url, topics, batch=None):
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super(NotificationFixture, self).__init__()
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self.conf = conf
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self.url = url
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self.topics = topics
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self.events = moves.queue.Queue()
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self.name = str(id(self))
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self.batch = batch
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def setUp(self):
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super(NotificationFixture, self).setUp()
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targets = [oslo_messaging.Target(topic=t) for t in self.topics]
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# add a special topic for internal notifications
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targets.append(oslo_messaging.Target(topic=self.name))
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transport = self.useFixture(TransportFixture(self.conf, self.url))
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self.server = self._get_server(transport, targets)
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self._ctrl = self.notifier('internal', topic=self.name)
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self._start()
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transport.wait()
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def cleanUp(self):
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self._stop()
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super(NotificationFixture, self).cleanUp()
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def _get_server(self, transport, targets):
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return oslo_messaging.get_notification_listener(
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transport.transport,
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targets,
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[self], 'eventlet')
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def _start(self):
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self.thread = test_utils.ServerThreadHelper(self.server)
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self.thread.start()
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def _stop(self):
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self.thread.stop()
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self.thread.join(timeout=30)
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if self.thread.isAlive():
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raise Exception("Server did not shutdown properly")
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def notifier(self, publisher, topic=None):
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transport = self.useFixture(TransportFixture(self.conf, self.url))
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n = notifier.Notifier(transport.transport,
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publisher,
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driver='messaging',
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topic=topic or self.topics[0])
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transport.wait()
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return n
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def debug(self, ctxt, publisher, event_type, payload, metadata):
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self.events.put(['debug', event_type, payload, publisher])
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def audit(self, ctxt, publisher, event_type, payload, metadata):
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self.events.put(['audit', event_type, payload, publisher])
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def info(self, ctxt, publisher, event_type, payload, metadata):
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self.events.put(['info', event_type, payload, publisher])
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def warn(self, ctxt, publisher, event_type, payload, metadata):
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self.events.put(['warn', event_type, payload, publisher])
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def error(self, ctxt, publisher, event_type, payload, metadata):
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self.events.put(['error', event_type, payload, publisher])
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def critical(self, ctxt, publisher, event_type, payload, metadata):
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self.events.put(['critical', event_type, payload, publisher])
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def sample(self, ctxt, publisher, event_type, payload, metadata):
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pass # Just used for internal shutdown control
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def get_events(self, timeout=0.5):
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results = []
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try:
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while True:
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results.append(self.events.get(timeout=timeout))
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except moves.queue.Empty:
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pass
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return results
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class BatchNotificationFixture(NotificationFixture):
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def __init__(self, conf, url, topics, batch_size=5, batch_timeout=2):
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super(BatchNotificationFixture, self).__init__(conf, url, topics)
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self.batch_size = batch_size
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self.batch_timeout = batch_timeout
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def _get_server(self, transport, targets):
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return oslo_messaging.get_batch_notification_listener(
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transport.transport,
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targets,
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[self], 'eventlet',
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batch_timeout=self.batch_timeout,
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batch_size=self.batch_size)
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def debug(self, messages):
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self.events.put(['debug', messages])
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def audit(self, messages):
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self.events.put(['audit', messages])
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def info(self, messages):
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self.events.put(['info', messages])
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def warn(self, messages):
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self.events.put(['warn', messages])
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def error(self, messages):
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self.events.put(['error', messages])
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def critical(self, messages):
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self.events.put(['critical', messages])
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def sample(self, messages):
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pass # Just used for internal shutdown control
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