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from __future__ import absolute_import
import mock
import pytest
from urllib3 import HTTPConnectionPool
from urllib3.exceptions import EmptyPoolError
from urllib3.packages.six.moves import queue
class BadError(Exception):
"""
This should not be raised.
"""
pass
class TestMonkeypatchResistance(object):
"""
Test that connection pool works even with a monkey patched Queue module,
see obspy/obspy#1599, kennethreitz/requests#3742, shazow/urllib3#1061.
"""
def test_queue_monkeypatching(self):
with mock.patch.object(queue, 'Empty', BadError):
with HTTPConnectionPool(host="localhost", block=True) as http:
http._get_conn(timeout=1)
with pytest.raises(EmptyPoolError):
http._get_conn(timeout=1)
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