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from gevent import monkey; monkey.patch_all()
import sys
import os
import array
import socket
import traceback
import time
import greentest
from functools import wraps
# we use threading on purpose so that we can test both regular and gevent sockets with the same code
from threading import Thread as _Thread
def wrap_error(func):
@wraps(func)
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except:
traceback.print_exc()
os._exit(2)
return wrapper
class Thread(_Thread):
def __init__(self, **kwargs):
target = kwargs.pop('target')
target = wrap_error(target)
_Thread.__init__(self, target=target, **kwargs)
self.start()
class TestTCP(greentest.TestCase):
__timeout__ = None
TIMEOUT_ERROR = socket.timeout
long_data = ", ".join([str(x) for x in range(20000)])
def setUp(self):
greentest.TestCase.setUp(self)
listener = socket.socket()
greentest.bind_and_listen(listener, ('127.0.0.1', 0))
self.listener = listener
self.port = listener.getsockname()[1]
def cleanup(self):
del self.listener
def create_connection(self):
sock = socket.socket()
sock.connect(('127.0.0.1', self.port))
return sock
def _test_sendall(self, data):
read_data = []
def accept_and_read():
try:
read_data.append(self.listener.accept()[0].makefile().read())
except:
traceback.print_exc()
os._exit(1)
server = Thread(target=accept_and_read)
client = self.create_connection()
client.sendall(data)
client.close()
server.join()
assert read_data[0] == self.long_data, read_data
def test_sendall_str(self):
self._test_sendall(self.long_data)
def test_sendall_unicode(self):
self._test_sendall(unicode(self.long_data))
def test_sendall_array(self):
data = array.array("B", self.long_data)
self._test_sendall(data)
def test_fullduplex(self):
N = 100000
def server():
(client, addr) = self.listener.accept()
# start reading, then, while reading, start writing. the reader should not hang forever
def sendall():
client.sendall('t' * N)
sender = Thread(target=sendall)
result = client.recv(1000)
self.assertEqual(result, 'hello world')
sender.join()
server_thread = Thread(target=server)
client = self.create_connection()
client_reader = Thread(target=client.makefile().read, args=(N, ))
time.sleep(0.1)
client.send('hello world')
time.sleep(0.1)
# close() used to hang
client.close()
# this tests "full duplex" bug;
server_thread.join()
client_reader.join()
def test_recv_timeout(self):
client_sock = []
acceptor = Thread(target=lambda: client_sock.append(self.listener.accept()))
client = self.create_connection()
client.settimeout(1)
start = time.time()
self.assertRaises(self.TIMEOUT_ERROR, client.recv, 1024)
took = time.time() - start
assert 1 - 0.1 <= took <= 1 + 0.1, (time.time() - start)
acceptor.join()
# On Windows send() accepts whatever is thrown at it
if sys.platform != 'win32':
def test_sendall_timeout(self):
client_sock = []
acceptor = Thread(target=lambda: client_sock.append(self.listener.accept()))
client = self.create_connection()
time.sleep(0.1)
assert client_sock
client.settimeout(0.1)
data_sent = 'h' * 1000000
start = time.time()
self.assertRaises(self.TIMEOUT_ERROR, client.sendall, data_sent)
took = time.time() - start
assert 0.1 - 0.01 <= took <= 0.1 + 0.1, took
acceptor.join()
def test_makefile(self):
def accept_once():
conn, addr = self.listener.accept()
fd = conn.makefile()
fd.write('hello\n')
fd.close()
acceptor = Thread(target=accept_once)
client = self.create_connection()
fd = client.makefile()
client.close()
assert fd.readline() == 'hello\n'
assert fd.read() == ''
fd.close()
acceptor.join()
def get_port():
tempsock = socket.socket()
tempsock.bind(('', 0))
port = tempsock.getsockname()[1]
tempsock.close()
return port
class TestCreateConnection(greentest.TestCase):
__timeout__ = 5
def test(self):
try:
socket.create_connection(('localhost', get_port()), timeout=30, source_address=('', get_port()))
except socket.error:
ex = sys.exc_info()[1]
if 'refused' not in str(ex).lower():
raise
else:
raise AssertionError('create_connection did not raise socket.error as expected')
if __name__ == '__main__':
greentest.main()
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