cpython/Lib/test/test_asyncio/test_windows_events.py

96 lines
2.8 KiB
Python

import os
import sys
import unittest
if sys.platform != 'win32':
raise unittest.SkipTest('Windows only')
import asyncio
from asyncio import windows_events
from asyncio import protocols
from asyncio import streams
from asyncio import transports
from asyncio import test_utils
class UpperProto(protocols.Protocol):
def __init__(self):
self.buf = []
def connection_made(self, trans):
self.trans = trans
def data_received(self, data):
self.buf.append(data)
if b'\n' in data:
self.trans.write(b''.join(self.buf).upper())
self.trans.close()
class ProactorTests(unittest.TestCase):
def setUp(self):
self.loop = windows_events.ProactorEventLoop()
asyncio.set_event_loop(None)
def tearDown(self):
self.loop.close()
self.loop = None
def test_close(self):
a, b = self.loop._socketpair()
trans = self.loop._make_socket_transport(a, protocols.Protocol())
f = asyncio.async(self.loop.sock_recv(b, 100))
trans.close()
self.loop.run_until_complete(f)
self.assertEqual(f.result(), b'')
def test_double_bind(self):
ADDRESS = r'\\.\pipe\test_double_bind-%s' % os.getpid()
server1 = windows_events.PipeServer(ADDRESS)
with self.assertRaises(PermissionError):
server2 = windows_events.PipeServer(ADDRESS)
server1.close()
def test_pipe(self):
res = self.loop.run_until_complete(self._test_pipe())
self.assertEqual(res, 'done')
def _test_pipe(self):
ADDRESS = r'\\.\pipe\_test_pipe-%s' % os.getpid()
with self.assertRaises(FileNotFoundError):
yield from self.loop.create_pipe_connection(
protocols.Protocol, ADDRESS)
[server] = yield from self.loop.start_serving_pipe(
UpperProto, ADDRESS)
self.assertIsInstance(server, windows_events.PipeServer)
clients = []
for i in range(5):
stream_reader = streams.StreamReader(loop=self.loop)
protocol = streams.StreamReaderProtocol(stream_reader)
trans, proto = yield from self.loop.create_pipe_connection(
lambda:protocol, ADDRESS)
self.assertIsInstance(trans, transports.Transport)
self.assertEqual(protocol, proto)
clients.append((stream_reader, trans))
for i, (r, w) in enumerate(clients):
w.write('lower-{}\n'.format(i).encode())
for i, (r, w) in enumerate(clients):
response = yield from r.readline()
self.assertEqual(response, 'LOWER-{}\n'.format(i).encode())
w.close()
server.close()
with self.assertRaises(FileNotFoundError):
yield from self.loop.create_pipe_connection(
protocols.Protocol, ADDRESS)
return 'done'