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import os
import gevent
from gevent import socket
import greentest
import time
class TestTCP(greentest.TestCase):
TIMEOUT_ERROR = socket.timeout
def setUp(self):
greentest.TestCase.setUp(self)
self.listener = socket.tcp_listener(('127.0.0.1', 0))
def tearDown(self):
del self.listener
greentest.TestCase.tearDown(self)
def create_connection(self):
return socket.create_connection(('127.0.0.1', self.listener.getsockname()[1]))
def test_fullduplex(self):
def server():
(client, addr) = self.listener.accept()
# start reading, then, while reading, start writing. the reader should not hang forever
N = 100000 # must be a big enough number so that sendall calls trampoline
sender = gevent.spawn_link_exception(client.sendall, 't' * N)
result = client.recv(1000)
assert result == 'hello world', result
sender.join(0.2)
sender.kill()
if client.__class__.__name__ == 'SSLObject':
# if sslold.SSLObject is not closed then the other end will receive sslerror: (8, 'Unexpected EOF')
# Not sure if it must be fixed but I don't want to waste time on that since
# the preferred way to do ssl now is via gevent.ssl which works OK without explicit close
client.close()
#print '%s: client' % getcurrent()
server_proc = gevent.spawn_link_exception(server)
client = self.create_connection()
client_reader = gevent.spawn_link_exception(client.makefile().read)
gevent.sleep(0.001)
client.send('hello world')
# close() used to hang
client.close()
# this tests "full duplex" bug;
server_proc.get()
client_reader.get()
def test_recv_timeout(self):
acceptor = gevent.spawn_link_exception(self.listener.accept)
try:
client = self.create_connection()
client.settimeout(0.1)
start = time.time()
try:
data = client.recv(1024)
except self.TIMEOUT_ERROR:
assert 0.1 - 0.01 <= time.time() - start <= 0.1 + 0.1, (time.time() - start)
else:
raise AssertionError('%s should have been raised, instead recv returned %r' % (self.TIMEOUT_ERROR, data, ))
finally:
acceptor.get()
def test_sendall_timeout(self):
acceptor = gevent.spawn_link_exception(self.listener.accept)
try:
client = self.create_connection()
client.settimeout(0.1)
start = time.time()
send_succeed = False
data_sent = 'h' * 100000
try:
client.sendall(data_sent)
except self.TIMEOUT_ERROR:
assert 0.1 - 0.01 <= time.time() - start <= 0.1 + 0.1, (time.time() - start)
else:
assert time.time() - start <= 0.1 + 0.01, (time.time() - start)
send_succeed = True
finally:
conn, addr = acceptor.get()
if send_succeed:
client.close()
data_read = conn.makefile().read()
self.assertEqual(len(data_sent), len(data_read))
self.assertEqual(data_sent, data_read)
print '%s: WARNING: read the data instead of failing with timeout' % self.__class__.__name__
def test_makefile(self):
def accept_once():
conn, addr = self.listener.accept()
fd = conn.makefile()
conn.close()
fd.write('hello\n')
fd.close()
acceptor = gevent.spawn(accept_once)
try:
client = self.create_connection()
fd = client.makefile()
client.close()
assert fd.readline() == 'hello\n'
assert fd.read() == ''
fd.close()
finally:
acceptor.get()
if hasattr(socket, 'ssl'):
class TestSSL(TestTCP):
certfile = os.path.join(os.path.dirname(__file__), 'test_server.crt')
privfile = os.path.join(os.path.dirname(__file__), 'test_server.key')
TIMEOUT_ERROR = socket.sslerror
def setUp(self):
TestTCP.setUp(self)
self.listener = ssl_listener(('127.0.0.1', 0), self.privfile, self.certfile)
def create_connection(self):
return socket.ssl(socket.create_connection(('127.0.0.1', self.listener.getsockname()[1])))
def ssl_listener(address, private_key, certificate):
import _socket
r = _socket.socket()
sock = socket.ssl(r, private_key, certificate)
socket.bind_and_listen(sock, address)
return sock
class TestCreateConnection(greentest.TestCase):
def test(self):
tempsock1 = socket.socket()
tempsock1.bind(('', 0))
source_port = tempsock1.getsockname()[1]
tempsock2 = socket.socket()
tempsock2.bind(('', 0))
tempsock2.getsockname()[1]
tempsock1.close()
del tempsock1
tempsock2.close()
del tempsock2
try:
socket.create_connection(('localhost', 4), timeout=30, source_address=('', source_port))
except socket.error, ex:
if 'connection refused' not in str(ex).lower():
raise
if __name__ == '__main__':
greentest.main()
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