Function test_urllib3_pool_connection_closed

tests/test_requests.py:2724–2731

(httpbin)

def test_urllib3_pool_connection_closed(httpbin):
    s = requests.Session()
    s.mount("http://", HTTPAdapter(pool_connections=0, pool_maxsize=0))

    try:
        s.get(httpbin("status/200"))
    except ConnectionError as e:
        assert "Pool is closed." in str(e)


class TestPreparingURLs: