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from __future__ import annotations
import pickle
import socket
from email.errors import MessageDefect
from test import DUMMY_POOL
import pytest
from urllib3.connection import HTTPConnection
from urllib3.connectionpool import HTTPConnectionPool
from urllib3.exceptions import (
ClosedPoolError,
ConnectTimeoutError,
EmptyPoolError,
HeaderParsingError,
HostChangedError,
HTTPError,
LocationParseError,
MaxRetryError,
NameResolutionError,
NewConnectionError,
ReadTimeoutError,
)
class TestPickle:
@pytest.mark.parametrize(
"exception",
[
HTTPError(None),
MaxRetryError(DUMMY_POOL, "", None),
LocationParseError(""),
ConnectTimeoutError(None),
HTTPError("foo"),
HTTPError("foo", IOError("foo")),
MaxRetryError(HTTPConnectionPool("localhost"), "/", None),
LocationParseError("fake location"),
ClosedPoolError(HTTPConnectionPool("localhost"), ""),
EmptyPoolError(HTTPConnectionPool("localhost"), ""),
HostChangedError(HTTPConnectionPool("localhost"), "/", 0),
ReadTimeoutError(HTTPConnectionPool("localhost"), "/", ""),
NewConnectionError(HTTPConnection("localhost"), ""),
NameResolutionError("", HTTPConnection("localhost"), socket.gaierror()),
],
)
def test_exceptions(self, exception: Exception) -> None:
result = pickle.loads(pickle.dumps(exception))
assert isinstance(result, type(exception))
class TestFormat:
def test_header_parsing_errors(self) -> None:
hpe = HeaderParsingError([MessageDefect("defects")], "unparsed_data")
assert "defects" in str(hpe)
assert "unparsed_data" in str(hpe)
class TestNewConnectionError:
def test_pool_property_deprecation_warning(self) -> None:
err = NewConnectionError(HTTPConnection("localhost"), "test")
with pytest.warns(DeprecationWarning) as records:
err_pool = err.pool
assert err_pool is err.conn
msg = (
"The 'pool' property is deprecated and will be removed "
"in urllib3 v2.1.0. Use 'conn' instead."
)
record = records[0]
assert isinstance(record.message, Warning)
assert record.message.args[0] == msg
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