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# Copyright DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from tests.unit.io.utils import TimerTestMixin
from tests import notpypy, EVENT_LOOP_MANAGER
from eventlet import monkey_patch
from unittest.mock import patch
try:
from cassandra.io.eventletreactor import EventletConnection
except ImportError:
EventletConnection = None # noqa
skip_condition = EventletConnection is None or EVENT_LOOP_MANAGER != "eventlet"
# There are some issues with some versions of pypy and eventlet
@notpypy
@unittest.skipIf(skip_condition, "Skipping the eventlet tests because it's not installed")
class EventletTimerTest(TimerTestMixin, unittest.TestCase):
connection_class = EventletConnection
@classmethod
def setUpClass(cls):
# This is run even though the class is skipped, so we need
# to make sure no monkey patching is happening
if skip_condition:
return
# This is being added temporarily due to a bug in eventlet:
# https://github.com/eventlet/eventlet/issues/401
import eventlet
eventlet.sleep()
monkey_patch()
# cls.connection_class = EventletConnection
EventletConnection.initialize_reactor()
assert EventletConnection._timers is not None
def setUp(self):
socket_patcher = patch('eventlet.green.socket.socket')
self.addCleanup(socket_patcher.stop)
socket_patcher.start()
super(EventletTimerTest, self).setUp()
recv_patcher = patch.object(self.connection._socket,
'recv',
return_value=b'')
self.addCleanup(recv_patcher.stop)
recv_patcher.start()
@property
def create_timer(self):
return self.connection.create_timer
@property
def _timers(self):
return self.connection._timers
# There is no unpatching because there is not a clear way
# of doing it reliably
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