cpython/Lib/test/test_asyncio/test_sslproto.py

72 lines
2.2 KiB
Python

"""Tests for asyncio/sslproto.py."""
import unittest
from unittest import mock
try:
import ssl
except ImportError:
ssl = None
import asyncio
from asyncio import sslproto
from asyncio import test_utils
@unittest.skipIf(ssl is None, 'No ssl module')
class SslProtoHandshakeTests(test_utils.TestCase):
def setUp(self):
self.loop = asyncio.new_event_loop()
self.set_event_loop(self.loop)
def ssl_protocol(self, waiter=None):
sslcontext = test_utils.dummy_ssl_context()
app_proto = asyncio.Protocol()
proto = sslproto.SSLProtocol(self.loop, app_proto, sslcontext, waiter)
self.addCleanup(proto._app_transport.close)
return proto
def connection_made(self, ssl_proto, do_handshake=None):
transport = mock.Mock()
sslpipe = mock.Mock()
sslpipe.shutdown.return_value = b''
if do_handshake:
sslpipe.do_handshake.side_effect = do_handshake
else:
def mock_handshake(callback):
return []
sslpipe.do_handshake.side_effect = mock_handshake
with mock.patch('asyncio.sslproto._SSLPipe', return_value=sslpipe):
ssl_proto.connection_made(transport)
def test_cancel_handshake(self):
# Python issue #23197: cancelling a handshake must not raise an
# exception or log an error, even if the handshake failed
waiter = asyncio.Future(loop=self.loop)
ssl_proto = self.ssl_protocol(waiter)
handshake_fut = asyncio.Future(loop=self.loop)
def do_handshake(callback):
exc = Exception()
callback(exc)
handshake_fut.set_result(None)
return []
waiter.cancel()
self.connection_made(ssl_proto, do_handshake)
with test_utils.disable_logger():
self.loop.run_until_complete(handshake_fut)
def test_eof_received_waiter(self):
waiter = asyncio.Future(loop=self.loop)
ssl_proto = self.ssl_protocol(waiter)
self.connection_made(ssl_proto)
ssl_proto.eof_received()
test_utils.run_briefly(self.loop)
self.assertIsInstance(waiter.exception(), ConnectionResetError)
if __name__ == '__main__':
unittest.main()