uvloop/tests/test_udp.py

139 lines
4.9 KiB
Python

import asyncio
import socket
import uvloop
import sys
from asyncio import test_utils
from uvloop import _testbase as tb
class MyDatagramProto(asyncio.DatagramProtocol):
done = None
def __init__(self, loop=None):
self.state = 'INITIAL'
self.nbytes = 0
if loop is not None:
self.done = asyncio.Future(loop=loop)
def connection_made(self, transport):
self.transport = transport
assert self.state == 'INITIAL', self.state
self.state = 'INITIALIZED'
def datagram_received(self, data, addr):
assert self.state == 'INITIALIZED', self.state
self.nbytes += len(data)
def error_received(self, exc):
assert self.state == 'INITIALIZED', self.state
raise exc
def connection_lost(self, exc):
assert self.state == 'INITIALIZED', self.state
self.state = 'CLOSED'
if self.done:
self.done.set_result(None)
class _TestUDP:
def test_create_datagram_endpoint_addrs(self):
class TestMyDatagramProto(MyDatagramProto):
def __init__(inner_self):
super().__init__(loop=self.loop)
def datagram_received(self, data, addr):
super().datagram_received(data, addr)
self.transport.sendto(b'resp:' + data, addr)
for lc in (('127.0.0.1', 0), None):
if lc is None and not isinstance(self.loop, uvloop.Loop):
# TODO This looks like a bug in asyncio -- if no local_addr
# and no remote_addr are specified, the connection
# that asyncio creates is not bound anywhere.
return
with self.subTest(local_addr=lc):
coro = self.loop.create_datagram_endpoint(
TestMyDatagramProto, local_addr=lc, family=socket.AF_INET)
s_transport, server = self.loop.run_until_complete(coro)
host, port = s_transport.get_extra_info('sockname')
self.assertIsInstance(server, TestMyDatagramProto)
self.assertEqual('INITIALIZED', server.state)
self.assertIs(server.transport, s_transport)
extra = {}
if hasattr(socket, 'SO_REUSEPORT') and \
sys.version_info[:3] >= (3, 5, 1):
extra['reuse_port'] = True
coro = self.loop.create_datagram_endpoint(
lambda: MyDatagramProto(loop=self.loop),
family=socket.AF_INET,
remote_addr=None if lc is None else (host, port),
**extra)
transport, client = self.loop.run_until_complete(coro)
self.assertIsInstance(client, MyDatagramProto)
self.assertEqual('INITIALIZED', client.state)
self.assertIs(client.transport, transport)
transport.sendto(b'xxx', (host, port) if lc is None else None)
test_utils.run_until(self.loop, lambda: server.nbytes)
self.assertEqual(3, server.nbytes)
test_utils.run_until(self.loop, lambda: client.nbytes)
# received
self.assertEqual(8, client.nbytes)
# extra info is available
self.assertIsNotNone(transport.get_extra_info('sockname'))
# close connection
transport.close()
self.loop.run_until_complete(client.done)
self.assertEqual('CLOSED', client.state)
server.transport.close()
self.loop.run_until_complete(server.done)
def test_create_datagram_endpoint_sock(self):
sock = None
local_address = ('127.0.0.1', 0)
infos = self.loop.run_until_complete(
self.loop.getaddrinfo(
*local_address, type=socket.SOCK_DGRAM))
for family, type, proto, cname, address in infos:
try:
sock = socket.socket(family=family, type=type, proto=proto)
sock.setblocking(False)
sock.bind(address)
except:
pass
else:
break
else:
assert False, 'Can not create socket.'
with sock:
try:
f = self.loop.create_datagram_endpoint(
lambda: MyDatagramProto(loop=self.loop), sock=sock)
except TypeError as ex:
# asyncio in 3.5.0 doesn't have the 'sock' argument
if 'got an unexpected keyword argument' not in ex.args[0]:
raise
else:
tr, pr = self.loop.run_until_complete(f)
self.assertIsInstance(pr, MyDatagramProto)
tr.close()
self.loop.run_until_complete(pr.done)
class Test_UV_UDP(_TestUDP, tb.UVTestCase):
pass
class Test_AIO_UDP(_TestUDP, tb.AIOTestCase):
pass