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from __future__ import annotations
import queue
from unittest import mock
import pytest
from urllib3 import HTTPConnectionPool
from urllib3.exceptions import EmptyPoolError
class BadError(Exception):
"""
This should not be raised.
"""
class TestMonkeypatchResistance:
"""
Test that connection pool works even with a monkey patched Queue module,
see obspy/obspy#1599, psf/requests#3742, urllib3/urllib3#1061.
"""
def test_queue_monkeypatching(self) -> None:
with mock.patch.object(queue, "Empty", BadError):
with HTTPConnectionPool(host="localhost", block=True) as http:
http._get_conn()
with pytest.raises(EmptyPoolError):
http._get_conn(timeout=0)
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