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test_udp.py
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test_udp.py
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from common import unittest2, linesep, platform_skip, TestCase
import pyuv
import socket
import sys
TEST_PORT = 12345
TEST_PORT2 = 12346
MULTICAST_ADDRESS = "239.255.0.1"
class UDPTest(TestCase):
def setUp(self):
super(UDPTest, self).setUp()
self.server = None
self.client = None
def on_close(self, handle):
self.on_close_called += 1
def on_server_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PING")
self.server.send((ip, port), b"PONG"+linesep)
def on_client_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PONG")
self.client.close(self.on_close)
self.server.close(self.on_close)
def timer_cb(self, timer):
self.client.send(("127.0.0.1", TEST_PORT), b"PING"+linesep)
timer.close(self.on_close)
def test_udp_pingpong(self):
self.on_close_called = 0
self.server = pyuv.UDP(self.loop)
self.server.bind(("0.0.0.0", TEST_PORT))
self.server.set_broadcast(True) # for coverage
try:
self.server.set_ttl(10) # for coverage
except pyuv.error.UDPError:
# This function is not implemented on Windows
pass
self.server.start_recv(self.on_server_recv)
self.client = pyuv.UDP(self.loop)
self.client.bind(("0.0.0.0", TEST_PORT2))
self.client.start_recv(self.on_client_recv)
timer = pyuv.Timer(self.loop)
timer.start(self.timer_cb, 0.1, 0)
self.loop.run()
self.assertEqual(self.on_close_called, 3)
class UDPEmptyDatagramTest(TestCase):
def setUp(self):
super(UDPEmptyDatagramTest, self).setUp()
self.server = None
self.client = None
self.on_close_called = 0
def on_close(self, handle):
self.on_close_called += 1
def on_client_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
self.assertEqual(error, None)
self.assertEqual(data, b"")
self.client.close(self.on_close)
self.server.close(self.on_close)
def test_udp_empty_datagram(self):
self.server = pyuv.UDP(self.loop)
self.client = pyuv.UDP(self.loop)
self.client.bind(("0.0.0.0", TEST_PORT2))
self.client.start_recv(self.on_client_recv)
self.server.send(("127.0.0.1", TEST_PORT2), b"")
self.loop.run()
self.assertEqual(self.on_close_called, 2)
class UDPTestNull(TestCase):
def setUp(self):
super(UDPTestNull, self).setUp()
self.server = None
self.client = None
def on_close(self, handle):
self.on_close_called += 1
def on_server_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PIN\x00G")
self.server.send((ip, port), b"PONG"+linesep)
def on_client_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PONG")
self.client.close(self.on_close)
self.server.close(self.on_close)
def timer_cb(self, timer):
self.client.send(("127.0.0.1", TEST_PORT), b"PIN\x00G"+linesep)
timer.close(self.on_close)
def test_udp_pingpong_null(self):
self.on_close_called = 0
self.server = pyuv.UDP(self.loop)
self.server.bind(("0.0.0.0", TEST_PORT))
self.server.start_recv(self.on_server_recv)
self.client = pyuv.UDP(self.loop)
self.client.bind(("0.0.0.0", TEST_PORT2))
self.client.start_recv(self.on_client_recv)
timer = pyuv.Timer(self.loop)
timer.start(self.timer_cb, 0.1, 0)
self.loop.run()
self.assertEqual(self.on_close_called, 3)
class UDPTestList(TestCase):
def setUp(self):
super(UDPTestList, self).setUp()
self.server = None
self.client = None
def on_close(self, handle):
self.on_close_called += 1
def on_server_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PING")
self.server.sendlines((ip, port), [b"PONG", linesep])
def on_client_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PONG")
self.client.close(self.on_close)
self.server.close(self.on_close)
def timer_cb(self, timer):
self.client.sendlines(("127.0.0.1", TEST_PORT), [b"PING", linesep])
timer.close(self.on_close)
def test_udp_pingpong_list(self):
self.on_close_called = 0
self.server = pyuv.UDP(self.loop)
self.server.bind(("0.0.0.0", TEST_PORT))
self.server.start_recv(self.on_server_recv)
self.client = pyuv.UDP(self.loop)
self.client.bind(("0.0.0.0", TEST_PORT2))
self.client.start_recv(self.on_client_recv)
timer = pyuv.Timer(self.loop)
timer.start(self.timer_cb, 0.1, 0)
self.loop.run()
self.assertEqual(self.on_close_called, 3)
class UDPTestListNull(TestCase):
def setUp(self):
super(UDPTestListNull, self).setUp()
self.server = None
self.client = None
def on_close(self, handle):
self.on_close_called += 1
def on_server_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PIN\x00G")
self.server.sendlines((ip, port), [b"PONG", linesep])
def on_client_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
data = data.strip()
self.assertEqual(data, b"PONG")
self.client.close(self.on_close)
self.server.close(self.on_close)
def timer_cb(self, timer):
self.client.sendlines(("127.0.0.1", TEST_PORT), [b"PIN\x00G", linesep])
timer.close(self.on_close)
def test_udp_pingpong_list_null(self):
self.on_close_called = 0
self.server = pyuv.UDP(self.loop)
self.server.bind(("0.0.0.0", TEST_PORT))
self.server.start_recv(self.on_server_recv)
self.client = pyuv.UDP(self.loop)
self.client.bind(("0.0.0.0", TEST_PORT2))
self.client.start_recv(self.on_client_recv)
timer = pyuv.Timer(self.loop)
timer.start(self.timer_cb, 0.1, 0)
self.loop.run()
self.assertEqual(self.on_close_called, 3)
class UDPTestInvalidData(TestCase):
def setUp(self):
super(UDPTestInvalidData, self).setUp()
self.server = None
self.client = None
def on_close(self, handle):
self.on_close_called += 1
def on_server_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
self.client.close(self.on_close)
self.server.close(self.on_close)
self.fail("Expected send to fail.")
def timer_cb(self, timer):
self.assertRaises(TypeError, self.client.send, ("127.0.0.1", TEST_PORT), object())
self.assertRaises(TypeError, self.client.send, ("127.0.0.1", TEST_PORT), 1)
self.assertRaises(TypeError, self.client.sendlines, ("127.0.0.1", TEST_PORT), object())
self.assertRaises(TypeError, self.client.sendlines, ("127.0.0.1", TEST_PORT), 1)
self.client.close(self.on_close)
self.server.close(self.on_close)
timer.close(self.on_close)
def test_udp_invalid_data(self):
self.on_close_called = 0
self.server = pyuv.UDP(self.loop)
self.server.bind(("0.0.0.0", TEST_PORT))
self.server.start_recv(self.on_server_recv)
self.client = pyuv.UDP(self.loop)
self.client.bind(("0.0.0.0", TEST_PORT2))
timer = pyuv.Timer(self.loop)
timer.start(self.timer_cb, 0.1, 0)
self.loop.run()
self.assertEqual(self.on_close_called, 3)
if sys.platform == 'win32':
def interface_addresses():
for family, _, _, _, sockaddr in socket.getaddrinfo('', None):
if family == socket.AF_INET:
yield sockaddr[0]
else:
def interface_addresses():
yield MULTICAST_ADDRESS
class UDPTestMulticast(TestCase):
def setUp(self):
super(UDPTestMulticast, self).setUp()
self.server = None
self.clients = None
self.received_data = None
def on_close(self, handle):
self.on_close_called += 1
def on_client_recv(self, handle, ip_port, flags, data, error):
self.assertEqual(flags, 0)
ip, port = ip_port
self.received_data = data.strip()
for client in self.clients:
client.set_membership(MULTICAST_ADDRESS, pyuv.UV_LEAVE_GROUP)
client.close(self.on_close)
def on_server_send(self, handle, error):
handle.close(self.on_close)
def _create_clients(self, loop=False):
self.clients = list()
for addr in interface_addresses():
client = pyuv.UDP(self.loop)
client.bind((addr, TEST_PORT))
client.set_membership(MULTICAST_ADDRESS, pyuv.UV_JOIN_GROUP)
if loop:
client.set_multicast_loop(True)
else:
client.set_multicast_ttl(10)
client.start_recv(self.on_client_recv)
self.clients.append(client)
def test_udp_multicast(self):
self.on_close_called = 0
self.server = pyuv.UDP(self.loop)
self._create_clients()
self.server.send((MULTICAST_ADDRESS, TEST_PORT), b"PING", self.on_server_send)
self.loop.run()
self.assertEqual(self.on_close_called, 1 + len(self.clients))
self.assertEqual(self.received_data, b"PING")
@platform_skip(["darwin"])
def test_udp_multicast_loop(self):
self.on_close_called = 0
self._create_clients(True)
for client in self.clients:
client.send((MULTICAST_ADDRESS, TEST_PORT), b"PING")
self.loop.run()
self.assertEqual(self.on_close_called, len(self.clients))
self.assertEqual(self.received_data, b"PING")
class UDPTestBigDatagram(TestCase):
def send_cb(self, handle, error):
self.handle.close()
self.errorno = error
def test_udp_big_datagram(self):
self.errorno = None
self.handle = pyuv.UDP(self.loop)
data = b"X"*65536
self.handle.send(("127.0.0.1", TEST_PORT), data, self.send_cb)
self.loop.run()
self.assertEqual(self.errorno, pyuv.errno.UV_EMSGSIZE)
class UDPTestOpen(TestCase):
def test_udp_open(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
handle = pyuv.UDP(self.loop)
handle.open(sock.fileno())
try:
handle.bind(("1.2.3.4", TEST_PORT))
except pyuv.error.UDPError as e:
self.assertEqual(e.args[0], pyuv.errno.UV_EADDRNOTAVAIL)
self.loop.run()
sock.close()
class UDPTestBind(TestCase):
def test_udp_bind(self):
handle = pyuv.UDP(self.loop)
handle.bind(("", TEST_PORT))
handle.close()
self.loop.run()
def test_udp_bind_reuse(self):
handle = pyuv.UDP(self.loop)
handle.bind(("", TEST_PORT), pyuv.UV_UDP_REUSEADDR)
handle2 = pyuv.UDP(self.loop)
handle2.bind(("", TEST_PORT), pyuv.UV_UDP_REUSEADDR)
handle.close()
handle2.close()
self.loop.run()
def test_udp_bind_noreuse(self):
handle = pyuv.UDP(self.loop)
handle.bind(("", TEST_PORT))
handle2 = pyuv.UDP(self.loop)
self.assertRaises(pyuv.error.UDPError, handle2.bind, ("", TEST_PORT))
handle.close()
handle2.close()
self.loop.run()
class UDPTestFileno(TestCase):
def check_fileno(self, handle):
self.assertTrue(hasattr(handle, '_fileno'))
fd = handle._fileno()
self.assertIsInstance(fd, int)
if sys.platform.startswith('win'):
self.assertEqual(fd, -1)
else:
self.assertGreater(fd, -1)
def test_udp_fileno(self):
server = pyuv.UDP(self.loop)
server.bind(("0.0.0.0", TEST_PORT))
self.check_fileno(server)
server.close()
class UDPTestMulticastInterface(TestCase):
def test_udp_multicast_interface(self):
handle = pyuv.UDP(self.loop)
handle.bind(("", TEST_PORT))
handle.set_multicast_interface("0.0.0.0")
handle.close()
self.loop.run()
if __name__ == '__main__':
unittest2.main(verbosity=2)