mirror of https://github.com/python/cpython
681 lines
24 KiB
Python
681 lines
24 KiB
Python
"""Tests for base_events.py"""
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import errno
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import logging
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import socket
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import time
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import unittest
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import unittest.mock
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from test.support import find_unused_port, IPV6_ENABLED
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import asyncio
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from asyncio import constants
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from asyncio import test_utils
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class BaseEventLoopTests(unittest.TestCase):
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def setUp(self):
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self.loop = asyncio.BaseEventLoop()
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self.loop._selector = unittest.mock.Mock()
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asyncio.set_event_loop(None)
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def test_not_implemented(self):
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m = unittest.mock.Mock()
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self.assertRaises(
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NotImplementedError,
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self.loop._make_socket_transport, m, m)
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self.assertRaises(
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NotImplementedError,
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self.loop._make_ssl_transport, m, m, m, m)
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self.assertRaises(
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NotImplementedError,
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self.loop._make_datagram_transport, m, m)
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self.assertRaises(
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NotImplementedError, self.loop._process_events, [])
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self.assertRaises(
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NotImplementedError, self.loop._write_to_self)
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self.assertRaises(
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NotImplementedError, self.loop._read_from_self)
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self.assertRaises(
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NotImplementedError,
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self.loop._make_read_pipe_transport, m, m)
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self.assertRaises(
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NotImplementedError,
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self.loop._make_write_pipe_transport, m, m)
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gen = self.loop._make_subprocess_transport(m, m, m, m, m, m, m)
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self.assertRaises(NotImplementedError, next, iter(gen))
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def test__add_callback_handle(self):
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h = asyncio.Handle(lambda: False, ())
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self.loop._add_callback(h)
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self.assertFalse(self.loop._scheduled)
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self.assertIn(h, self.loop._ready)
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def test__add_callback_timer(self):
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h = asyncio.TimerHandle(time.monotonic()+10, lambda: False, ())
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self.loop._add_callback(h)
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self.assertIn(h, self.loop._scheduled)
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def test__add_callback_cancelled_handle(self):
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h = asyncio.Handle(lambda: False, ())
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h.cancel()
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self.loop._add_callback(h)
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self.assertFalse(self.loop._scheduled)
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self.assertFalse(self.loop._ready)
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def test_set_default_executor(self):
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executor = unittest.mock.Mock()
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self.loop.set_default_executor(executor)
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self.assertIs(executor, self.loop._default_executor)
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def test_getnameinfo(self):
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sockaddr = unittest.mock.Mock()
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self.loop.run_in_executor = unittest.mock.Mock()
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self.loop.getnameinfo(sockaddr)
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self.assertEqual(
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(None, socket.getnameinfo, sockaddr, 0),
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self.loop.run_in_executor.call_args[0])
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def test_call_soon(self):
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def cb():
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pass
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h = self.loop.call_soon(cb)
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self.assertEqual(h._callback, cb)
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self.assertIsInstance(h, asyncio.Handle)
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self.assertIn(h, self.loop._ready)
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def test_call_later(self):
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def cb():
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pass
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h = self.loop.call_later(10.0, cb)
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self.assertIsInstance(h, asyncio.TimerHandle)
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self.assertIn(h, self.loop._scheduled)
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self.assertNotIn(h, self.loop._ready)
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def test_call_later_negative_delays(self):
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calls = []
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def cb(arg):
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calls.append(arg)
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self.loop._process_events = unittest.mock.Mock()
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self.loop.call_later(-1, cb, 'a')
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self.loop.call_later(-2, cb, 'b')
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test_utils.run_briefly(self.loop)
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self.assertEqual(calls, ['b', 'a'])
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def test_time_and_call_at(self):
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def cb():
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self.loop.stop()
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self.loop._process_events = unittest.mock.Mock()
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when = self.loop.time() + 0.1
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self.loop.call_at(when, cb)
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t0 = self.loop.time()
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self.loop.run_forever()
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t1 = self.loop.time()
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self.assertTrue(0.09 <= t1-t0 <= 0.9, t1-t0)
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def test_run_once_in_executor_handle(self):
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def cb():
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pass
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self.assertRaises(
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AssertionError, self.loop.run_in_executor,
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None, asyncio.Handle(cb, ()), ('',))
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self.assertRaises(
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AssertionError, self.loop.run_in_executor,
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None, asyncio.TimerHandle(10, cb, ()))
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def test_run_once_in_executor_cancelled(self):
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def cb():
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pass
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h = asyncio.Handle(cb, ())
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h.cancel()
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f = self.loop.run_in_executor(None, h)
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self.assertIsInstance(f, asyncio.Future)
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self.assertTrue(f.done())
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self.assertIsNone(f.result())
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def test_run_once_in_executor_plain(self):
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def cb():
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pass
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h = asyncio.Handle(cb, ())
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f = asyncio.Future(loop=self.loop)
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executor = unittest.mock.Mock()
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executor.submit.return_value = f
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self.loop.set_default_executor(executor)
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res = self.loop.run_in_executor(None, h)
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self.assertIs(f, res)
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executor = unittest.mock.Mock()
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executor.submit.return_value = f
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res = self.loop.run_in_executor(executor, h)
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self.assertIs(f, res)
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self.assertTrue(executor.submit.called)
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f.cancel() # Don't complain about abandoned Future.
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def test__run_once(self):
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h1 = asyncio.TimerHandle(time.monotonic() + 5.0, lambda: True, ())
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h2 = asyncio.TimerHandle(time.monotonic() + 10.0, lambda: True, ())
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h1.cancel()
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self.loop._process_events = unittest.mock.Mock()
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self.loop._scheduled.append(h1)
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self.loop._scheduled.append(h2)
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self.loop._run_once()
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t = self.loop._selector.select.call_args[0][0]
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self.assertTrue(9.5 < t < 10.5, t)
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self.assertEqual([h2], self.loop._scheduled)
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self.assertTrue(self.loop._process_events.called)
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@unittest.mock.patch('asyncio.base_events.time')
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@unittest.mock.patch('asyncio.base_events.logger')
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def test__run_once_logging(self, m_logging, m_time):
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# Log to INFO level if timeout > 1.0 sec.
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idx = -1
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data = [10.0, 10.0, 12.0, 13.0]
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def monotonic():
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nonlocal data, idx
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idx += 1
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return data[idx]
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m_time.monotonic = monotonic
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m_logging.INFO = logging.INFO
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m_logging.DEBUG = logging.DEBUG
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self.loop._scheduled.append(
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asyncio.TimerHandle(11.0, lambda: True, ()))
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self.loop._process_events = unittest.mock.Mock()
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self.loop._run_once()
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self.assertEqual(logging.INFO, m_logging.log.call_args[0][0])
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idx = -1
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data = [10.0, 10.0, 10.3, 13.0]
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self.loop._scheduled = [asyncio.TimerHandle(11.0, lambda:True, ())]
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self.loop._run_once()
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self.assertEqual(logging.DEBUG, m_logging.log.call_args[0][0])
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def test__run_once_schedule_handle(self):
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handle = None
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processed = False
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def cb(loop):
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nonlocal processed, handle
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processed = True
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handle = loop.call_soon(lambda: True)
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h = asyncio.TimerHandle(time.monotonic() - 1, cb, (self.loop,))
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self.loop._process_events = unittest.mock.Mock()
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self.loop._scheduled.append(h)
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self.loop._run_once()
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self.assertTrue(processed)
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self.assertEqual([handle], list(self.loop._ready))
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def test_run_until_complete_type_error(self):
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self.assertRaises(
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TypeError, self.loop.run_until_complete, 'blah')
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class MyProto(asyncio.Protocol):
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done = None
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def __init__(self, create_future=False):
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self.state = 'INITIAL'
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self.nbytes = 0
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if create_future:
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self.done = asyncio.Future()
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def connection_made(self, transport):
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self.transport = transport
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assert self.state == 'INITIAL', self.state
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self.state = 'CONNECTED'
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transport.write(b'GET / HTTP/1.0\r\nHost: example.com\r\n\r\n')
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def data_received(self, data):
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assert self.state == 'CONNECTED', self.state
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self.nbytes += len(data)
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def eof_received(self):
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assert self.state == 'CONNECTED', self.state
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self.state = 'EOF'
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def connection_lost(self, exc):
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assert self.state in ('CONNECTED', 'EOF'), self.state
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self.state = 'CLOSED'
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if self.done:
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self.done.set_result(None)
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class MyDatagramProto(asyncio.DatagramProtocol):
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done = None
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def __init__(self, create_future=False):
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self.state = 'INITIAL'
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self.nbytes = 0
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if create_future:
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self.done = asyncio.Future()
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def connection_made(self, transport):
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self.transport = transport
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assert self.state == 'INITIAL', self.state
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self.state = 'INITIALIZED'
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def datagram_received(self, data, addr):
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assert self.state == 'INITIALIZED', self.state
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self.nbytes += len(data)
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def error_received(self, exc):
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assert self.state == 'INITIALIZED', self.state
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def connection_lost(self, exc):
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assert self.state == 'INITIALIZED', self.state
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self.state = 'CLOSED'
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if self.done:
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self.done.set_result(None)
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class BaseEventLoopWithSelectorTests(unittest.TestCase):
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def setUp(self):
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self.loop = asyncio.new_event_loop()
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asyncio.set_event_loop(None)
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def tearDown(self):
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self.loop.close()
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@unittest.mock.patch('asyncio.base_events.socket')
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def test_create_connection_multiple_errors(self, m_socket):
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class MyProto(asyncio.Protocol):
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pass
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@asyncio.coroutine
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def getaddrinfo(*args, **kw):
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yield from []
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return [(2, 1, 6, '', ('107.6.106.82', 80)),
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(2, 1, 6, '', ('107.6.106.82', 80))]
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def getaddrinfo_task(*args, **kwds):
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return asyncio.Task(getaddrinfo(*args, **kwds), loop=self.loop)
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idx = -1
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errors = ['err1', 'err2']
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def _socket(*args, **kw):
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nonlocal idx, errors
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idx += 1
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raise OSError(errors[idx])
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m_socket.socket = _socket
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self.loop.getaddrinfo = getaddrinfo_task
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coro = self.loop.create_connection(MyProto, 'example.com', 80)
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with self.assertRaises(OSError) as cm:
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self.loop.run_until_complete(coro)
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self.assertEqual(str(cm.exception), 'Multiple exceptions: err1, err2')
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def test_create_connection_host_port_sock(self):
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coro = self.loop.create_connection(
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MyProto, 'example.com', 80, sock=object())
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self.assertRaises(ValueError, self.loop.run_until_complete, coro)
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def test_create_connection_no_host_port_sock(self):
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coro = self.loop.create_connection(MyProto)
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self.assertRaises(ValueError, self.loop.run_until_complete, coro)
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def test_create_connection_no_getaddrinfo(self):
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@asyncio.coroutine
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def getaddrinfo(*args, **kw):
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yield from []
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def getaddrinfo_task(*args, **kwds):
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return asyncio.Task(getaddrinfo(*args, **kwds), loop=self.loop)
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self.loop.getaddrinfo = getaddrinfo_task
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coro = self.loop.create_connection(MyProto, 'example.com', 80)
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self.assertRaises(
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OSError, self.loop.run_until_complete, coro)
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def test_create_connection_connect_err(self):
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@asyncio.coroutine
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def getaddrinfo(*args, **kw):
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yield from []
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return [(2, 1, 6, '', ('107.6.106.82', 80))]
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def getaddrinfo_task(*args, **kwds):
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return asyncio.Task(getaddrinfo(*args, **kwds), loop=self.loop)
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self.loop.getaddrinfo = getaddrinfo_task
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self.loop.sock_connect = unittest.mock.Mock()
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self.loop.sock_connect.side_effect = OSError
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coro = self.loop.create_connection(MyProto, 'example.com', 80)
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self.assertRaises(
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OSError, self.loop.run_until_complete, coro)
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def test_create_connection_multiple(self):
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@asyncio.coroutine
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def getaddrinfo(*args, **kw):
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return [(2, 1, 6, '', ('0.0.0.1', 80)),
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(2, 1, 6, '', ('0.0.0.2', 80))]
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def getaddrinfo_task(*args, **kwds):
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return asyncio.Task(getaddrinfo(*args, **kwds), loop=self.loop)
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self.loop.getaddrinfo = getaddrinfo_task
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self.loop.sock_connect = unittest.mock.Mock()
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self.loop.sock_connect.side_effect = OSError
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coro = self.loop.create_connection(
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MyProto, 'example.com', 80, family=socket.AF_INET)
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with self.assertRaises(OSError):
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self.loop.run_until_complete(coro)
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@unittest.mock.patch('asyncio.base_events.socket')
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def test_create_connection_multiple_errors_local_addr(self, m_socket):
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def bind(addr):
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if addr[0] == '0.0.0.1':
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err = OSError('Err')
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err.strerror = 'Err'
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raise err
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m_socket.socket.return_value.bind = bind
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@asyncio.coroutine
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def getaddrinfo(*args, **kw):
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return [(2, 1, 6, '', ('0.0.0.1', 80)),
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(2, 1, 6, '', ('0.0.0.2', 80))]
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def getaddrinfo_task(*args, **kwds):
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return asyncio.Task(getaddrinfo(*args, **kwds), loop=self.loop)
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self.loop.getaddrinfo = getaddrinfo_task
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self.loop.sock_connect = unittest.mock.Mock()
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self.loop.sock_connect.side_effect = OSError('Err2')
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coro = self.loop.create_connection(
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MyProto, 'example.com', 80, family=socket.AF_INET,
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local_addr=(None, 8080))
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with self.assertRaises(OSError) as cm:
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self.loop.run_until_complete(coro)
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self.assertTrue(str(cm.exception).startswith('Multiple exceptions: '))
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self.assertTrue(m_socket.socket.return_value.close.called)
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def test_create_connection_no_local_addr(self):
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@asyncio.coroutine
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def getaddrinfo(host, *args, **kw):
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if host == 'example.com':
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return [(2, 1, 6, '', ('107.6.106.82', 80)),
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(2, 1, 6, '', ('107.6.106.82', 80))]
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else:
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return []
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def getaddrinfo_task(*args, **kwds):
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return asyncio.Task(getaddrinfo(*args, **kwds), loop=self.loop)
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self.loop.getaddrinfo = getaddrinfo_task
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coro = self.loop.create_connection(
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MyProto, 'example.com', 80, family=socket.AF_INET,
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local_addr=(None, 8080))
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self.assertRaises(
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OSError, self.loop.run_until_complete, coro)
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def test_create_connection_ssl_server_hostname_default(self):
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self.loop.getaddrinfo = unittest.mock.Mock()
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def mock_getaddrinfo(*args, **kwds):
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f = asyncio.Future(loop=self.loop)
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f.set_result([(socket.AF_INET, socket.SOCK_STREAM,
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socket.SOL_TCP, '', ('1.2.3.4', 80))])
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return f
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self.loop.getaddrinfo.side_effect = mock_getaddrinfo
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self.loop.sock_connect = unittest.mock.Mock()
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self.loop.sock_connect.return_value = ()
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self.loop._make_ssl_transport = unittest.mock.Mock()
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class _SelectorTransportMock:
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_sock = None
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def close(self):
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self._sock.close()
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def mock_make_ssl_transport(sock, protocol, sslcontext, waiter,
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**kwds):
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waiter.set_result(None)
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transport = _SelectorTransportMock()
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transport._sock = sock
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return transport
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self.loop._make_ssl_transport.side_effect = mock_make_ssl_transport
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ANY = unittest.mock.ANY
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# First try the default server_hostname.
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self.loop._make_ssl_transport.reset_mock()
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coro = self.loop.create_connection(MyProto, 'python.org', 80, ssl=True)
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transport, _ = self.loop.run_until_complete(coro)
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transport.close()
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self.loop._make_ssl_transport.assert_called_with(
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ANY, ANY, ANY, ANY,
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server_side=False,
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server_hostname='python.org')
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# Next try an explicit server_hostname.
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self.loop._make_ssl_transport.reset_mock()
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coro = self.loop.create_connection(MyProto, 'python.org', 80, ssl=True,
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server_hostname='perl.com')
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transport, _ = self.loop.run_until_complete(coro)
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transport.close()
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self.loop._make_ssl_transport.assert_called_with(
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ANY, ANY, ANY, ANY,
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server_side=False,
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server_hostname='perl.com')
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# Finally try an explicit empty server_hostname.
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self.loop._make_ssl_transport.reset_mock()
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coro = self.loop.create_connection(MyProto, 'python.org', 80, ssl=True,
|
|
server_hostname='')
|
|
transport, _ = self.loop.run_until_complete(coro)
|
|
transport.close()
|
|
self.loop._make_ssl_transport.assert_called_with(ANY, ANY, ANY, ANY,
|
|
server_side=False,
|
|
server_hostname='')
|
|
|
|
def test_create_connection_no_ssl_server_hostname_errors(self):
|
|
# When not using ssl, server_hostname must be None.
|
|
coro = self.loop.create_connection(MyProto, 'python.org', 80,
|
|
server_hostname='')
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, coro)
|
|
coro = self.loop.create_connection(MyProto, 'python.org', 80,
|
|
server_hostname='python.org')
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, coro)
|
|
|
|
def test_create_connection_ssl_server_hostname_errors(self):
|
|
# When using ssl, server_hostname may be None if host is non-empty.
|
|
coro = self.loop.create_connection(MyProto, '', 80, ssl=True)
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, coro)
|
|
coro = self.loop.create_connection(MyProto, None, 80, ssl=True)
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, coro)
|
|
sock = socket.socket()
|
|
coro = self.loop.create_connection(MyProto, None, None,
|
|
ssl=True, sock=sock)
|
|
self.addCleanup(sock.close)
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, coro)
|
|
|
|
def test_create_server_empty_host(self):
|
|
# if host is empty string use None instead
|
|
host = object()
|
|
|
|
@asyncio.coroutine
|
|
def getaddrinfo(*args, **kw):
|
|
nonlocal host
|
|
host = args[0]
|
|
yield from []
|
|
|
|
def getaddrinfo_task(*args, **kwds):
|
|
return asyncio.Task(getaddrinfo(*args, **kwds), loop=self.loop)
|
|
|
|
self.loop.getaddrinfo = getaddrinfo_task
|
|
fut = self.loop.create_server(MyProto, '', 0)
|
|
self.assertRaises(OSError, self.loop.run_until_complete, fut)
|
|
self.assertIsNone(host)
|
|
|
|
def test_create_server_host_port_sock(self):
|
|
fut = self.loop.create_server(
|
|
MyProto, '0.0.0.0', 0, sock=object())
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, fut)
|
|
|
|
def test_create_server_no_host_port_sock(self):
|
|
fut = self.loop.create_server(MyProto)
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, fut)
|
|
|
|
def test_create_server_no_getaddrinfo(self):
|
|
getaddrinfo = self.loop.getaddrinfo = unittest.mock.Mock()
|
|
getaddrinfo.return_value = []
|
|
|
|
f = self.loop.create_server(MyProto, '0.0.0.0', 0)
|
|
self.assertRaises(OSError, self.loop.run_until_complete, f)
|
|
|
|
@unittest.mock.patch('asyncio.base_events.socket')
|
|
def test_create_server_cant_bind(self, m_socket):
|
|
|
|
class Err(OSError):
|
|
strerror = 'error'
|
|
|
|
m_socket.getaddrinfo.return_value = [
|
|
(2, 1, 6, '', ('127.0.0.1', 10100))]
|
|
m_sock = m_socket.socket.return_value = unittest.mock.Mock()
|
|
m_sock.bind.side_effect = Err
|
|
|
|
fut = self.loop.create_server(MyProto, '0.0.0.0', 0)
|
|
self.assertRaises(OSError, self.loop.run_until_complete, fut)
|
|
self.assertTrue(m_sock.close.called)
|
|
|
|
@unittest.mock.patch('asyncio.base_events.socket')
|
|
def test_create_datagram_endpoint_no_addrinfo(self, m_socket):
|
|
m_socket.getaddrinfo.return_value = []
|
|
|
|
coro = self.loop.create_datagram_endpoint(
|
|
MyDatagramProto, local_addr=('localhost', 0))
|
|
self.assertRaises(
|
|
OSError, self.loop.run_until_complete, coro)
|
|
|
|
def test_create_datagram_endpoint_addr_error(self):
|
|
coro = self.loop.create_datagram_endpoint(
|
|
MyDatagramProto, local_addr='localhost')
|
|
self.assertRaises(
|
|
AssertionError, self.loop.run_until_complete, coro)
|
|
coro = self.loop.create_datagram_endpoint(
|
|
MyDatagramProto, local_addr=('localhost', 1, 2, 3))
|
|
self.assertRaises(
|
|
AssertionError, self.loop.run_until_complete, coro)
|
|
|
|
def test_create_datagram_endpoint_connect_err(self):
|
|
self.loop.sock_connect = unittest.mock.Mock()
|
|
self.loop.sock_connect.side_effect = OSError
|
|
|
|
coro = self.loop.create_datagram_endpoint(
|
|
asyncio.DatagramProtocol, remote_addr=('127.0.0.1', 0))
|
|
self.assertRaises(
|
|
OSError, self.loop.run_until_complete, coro)
|
|
|
|
@unittest.mock.patch('asyncio.base_events.socket')
|
|
def test_create_datagram_endpoint_socket_err(self, m_socket):
|
|
m_socket.getaddrinfo = socket.getaddrinfo
|
|
m_socket.socket.side_effect = OSError
|
|
|
|
coro = self.loop.create_datagram_endpoint(
|
|
asyncio.DatagramProtocol, family=socket.AF_INET)
|
|
self.assertRaises(
|
|
OSError, self.loop.run_until_complete, coro)
|
|
|
|
coro = self.loop.create_datagram_endpoint(
|
|
asyncio.DatagramProtocol, local_addr=('127.0.0.1', 0))
|
|
self.assertRaises(
|
|
OSError, self.loop.run_until_complete, coro)
|
|
|
|
@unittest.skipUnless(IPV6_ENABLED, 'IPv6 not supported or enabled')
|
|
def test_create_datagram_endpoint_no_matching_family(self):
|
|
coro = self.loop.create_datagram_endpoint(
|
|
asyncio.DatagramProtocol,
|
|
remote_addr=('127.0.0.1', 0), local_addr=('::1', 0))
|
|
self.assertRaises(
|
|
ValueError, self.loop.run_until_complete, coro)
|
|
|
|
@unittest.mock.patch('asyncio.base_events.socket')
|
|
def test_create_datagram_endpoint_setblk_err(self, m_socket):
|
|
m_socket.socket.return_value.setblocking.side_effect = OSError
|
|
|
|
coro = self.loop.create_datagram_endpoint(
|
|
asyncio.DatagramProtocol, family=socket.AF_INET)
|
|
self.assertRaises(
|
|
OSError, self.loop.run_until_complete, coro)
|
|
self.assertTrue(
|
|
m_socket.socket.return_value.close.called)
|
|
|
|
def test_create_datagram_endpoint_noaddr_nofamily(self):
|
|
coro = self.loop.create_datagram_endpoint(
|
|
asyncio.DatagramProtocol)
|
|
self.assertRaises(ValueError, self.loop.run_until_complete, coro)
|
|
|
|
@unittest.mock.patch('asyncio.base_events.socket')
|
|
def test_create_datagram_endpoint_cant_bind(self, m_socket):
|
|
class Err(OSError):
|
|
pass
|
|
|
|
m_socket.AF_INET6 = socket.AF_INET6
|
|
m_socket.getaddrinfo = socket.getaddrinfo
|
|
m_sock = m_socket.socket.return_value = unittest.mock.Mock()
|
|
m_sock.bind.side_effect = Err
|
|
|
|
fut = self.loop.create_datagram_endpoint(
|
|
MyDatagramProto,
|
|
local_addr=('127.0.0.1', 0), family=socket.AF_INET)
|
|
self.assertRaises(Err, self.loop.run_until_complete, fut)
|
|
self.assertTrue(m_sock.close.called)
|
|
|
|
def test_accept_connection_retry(self):
|
|
sock = unittest.mock.Mock()
|
|
sock.accept.side_effect = BlockingIOError()
|
|
|
|
self.loop._accept_connection(MyProto, sock)
|
|
self.assertFalse(sock.close.called)
|
|
|
|
@unittest.mock.patch('asyncio.selector_events.logger')
|
|
def test_accept_connection_exception(self, m_log):
|
|
sock = unittest.mock.Mock()
|
|
sock.fileno.return_value = 10
|
|
sock.accept.side_effect = OSError(errno.EMFILE, 'Too many open files')
|
|
self.loop.remove_reader = unittest.mock.Mock()
|
|
self.loop.call_later = unittest.mock.Mock()
|
|
|
|
self.loop._accept_connection(MyProto, sock)
|
|
self.assertTrue(m_log.exception.called)
|
|
self.assertFalse(sock.close.called)
|
|
self.loop.remove_reader.assert_called_with(10)
|
|
self.loop.call_later.assert_called_with(constants.ACCEPT_RETRY_DELAY,
|
|
# self.loop._start_serving
|
|
unittest.mock.ANY,
|
|
MyProto, sock, None, None)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|