147 lines
5.2 KiB
Python
147 lines
5.2 KiB
Python
"""Tests for asyncio/sslproto.py."""
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import logging
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import unittest
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from unittest import mock
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try:
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import ssl
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except ImportError:
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ssl = None
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import asyncio
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from asyncio import log
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from asyncio import sslproto
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from asyncio import tasks
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from test.test_asyncio import utils as test_utils
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@unittest.skipIf(ssl is None, 'No ssl module')
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class SslProtoHandshakeTests(test_utils.TestCase):
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def setUp(self):
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super().setUp()
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self.loop = asyncio.new_event_loop()
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self.set_event_loop(self.loop)
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def ssl_protocol(self, waiter=None):
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sslcontext = test_utils.dummy_ssl_context()
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app_proto = asyncio.Protocol()
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proto = sslproto.SSLProtocol(self.loop, app_proto, sslcontext, waiter,
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ssl_handshake_timeout=0.1)
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self.assertIs(proto._app_transport.get_protocol(), app_proto)
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self.addCleanup(proto._app_transport.close)
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return proto
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def connection_made(self, ssl_proto, do_handshake=None):
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transport = mock.Mock()
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sslpipe = mock.Mock()
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sslpipe.shutdown.return_value = b''
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if do_handshake:
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sslpipe.do_handshake.side_effect = do_handshake
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else:
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def mock_handshake(callback):
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return []
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sslpipe.do_handshake.side_effect = mock_handshake
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with mock.patch('asyncio.sslproto._SSLPipe', return_value=sslpipe):
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ssl_proto.connection_made(transport)
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return transport
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def test_cancel_handshake(self):
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# Python issue #23197: cancelling a handshake must not raise an
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# exception or log an error, even if the handshake failed
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waiter = asyncio.Future(loop=self.loop)
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ssl_proto = self.ssl_protocol(waiter)
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handshake_fut = asyncio.Future(loop=self.loop)
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def do_handshake(callback):
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exc = Exception()
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callback(exc)
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handshake_fut.set_result(None)
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return []
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waiter.cancel()
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self.connection_made(ssl_proto, do_handshake)
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with test_utils.disable_logger():
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self.loop.run_until_complete(handshake_fut)
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def test_handshake_timeout(self):
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# bpo-29970: Check that a connection is aborted if handshake is not
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# completed in timeout period, instead of remaining open indefinitely
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ssl_proto = self.ssl_protocol()
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transport = self.connection_made(ssl_proto)
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with test_utils.disable_logger():
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self.loop.run_until_complete(tasks.sleep(0.2, loop=self.loop))
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self.assertTrue(transport.abort.called)
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def test_eof_received_waiter(self):
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waiter = asyncio.Future(loop=self.loop)
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ssl_proto = self.ssl_protocol(waiter)
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self.connection_made(ssl_proto)
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ssl_proto.eof_received()
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test_utils.run_briefly(self.loop)
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self.assertIsInstance(waiter.exception(), ConnectionResetError)
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def test_fatal_error_no_name_error(self):
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# From issue #363.
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# _fatal_error() generates a NameError if sslproto.py
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# does not import base_events.
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waiter = asyncio.Future(loop=self.loop)
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ssl_proto = self.ssl_protocol(waiter)
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# Temporarily turn off error logging so as not to spoil test output.
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log_level = log.logger.getEffectiveLevel()
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log.logger.setLevel(logging.FATAL)
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try:
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ssl_proto._fatal_error(None)
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finally:
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# Restore error logging.
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log.logger.setLevel(log_level)
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def test_connection_lost(self):
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# From issue #472.
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# yield from waiter hang if lost_connection was called.
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waiter = asyncio.Future(loop=self.loop)
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ssl_proto = self.ssl_protocol(waiter)
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self.connection_made(ssl_proto)
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ssl_proto.connection_lost(ConnectionAbortedError)
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test_utils.run_briefly(self.loop)
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self.assertIsInstance(waiter.exception(), ConnectionAbortedError)
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def test_close_during_handshake(self):
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# bpo-29743 Closing transport during handshake process leaks socket
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waiter = asyncio.Future(loop=self.loop)
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ssl_proto = self.ssl_protocol(waiter)
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def do_handshake(callback):
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return []
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transport = self.connection_made(ssl_proto)
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test_utils.run_briefly(self.loop)
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ssl_proto._app_transport.close()
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self.assertTrue(transport.abort.called)
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def test_get_extra_info_on_closed_connection(self):
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waiter = asyncio.Future(loop=self.loop)
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ssl_proto = self.ssl_protocol(waiter)
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self.assertIsNone(ssl_proto._get_extra_info('socket'))
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default = object()
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self.assertIs(ssl_proto._get_extra_info('socket', default), default)
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self.connection_made(ssl_proto)
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self.assertIsNotNone(ssl_proto._get_extra_info('socket'))
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ssl_proto.connection_lost(None)
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self.assertIsNone(ssl_proto._get_extra_info('socket'))
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def test_set_new_app_protocol(self):
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waiter = asyncio.Future(loop=self.loop)
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ssl_proto = self.ssl_protocol(waiter)
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new_app_proto = asyncio.Protocol()
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ssl_proto._app_transport.set_protocol(new_app_proto)
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self.assertIs(ssl_proto._app_transport.get_protocol(), new_app_proto)
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self.assertIs(ssl_proto._app_protocol, new_app_proto)
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if __name__ == '__main__':
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unittest.main()
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