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# test asynchat -- requires threading
import thread # If this fails, we can't test this module
import asyncore, asynchat, socket, threading, time
import unittest
from test import test_support
HOST = "127.0.0.1"
PORT = 54322
class echo_server(threading.Thread):
def run(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
global PORT
PORT = test_support.bind_port(sock, HOST, PORT)
sock.listen(1)
conn, client = sock.accept()
buffer = b""
while b"\n" not in buffer:
data = conn.recv(1)
if not data:
break
buffer = buffer + data
while buffer:
n = conn.send(buffer)
buffer = buffer[n:]
conn.close()
sock.close()
class echo_client(asynchat.async_chat):
def __init__(self, terminator):
asynchat.async_chat.__init__(self)
self.contents = None
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.connect((HOST, PORT))
self.set_terminator(terminator)
self.buffer = b""
def handle_connect(self):
pass
##print "Connected"
def collect_incoming_data(self, data):
self.buffer = self.buffer + data
def found_terminator(self):
#print "Received:", repr(self.buffer)
self.contents = self.buffer
self.buffer = b""
self.close()
class TestAsynchat(unittest.TestCase):
def setUp (self):
pass
def tearDown (self):
pass
def test_line_terminator(self):
s = echo_server()
s.start()
time.sleep(1) # Give server time to initialize
c = echo_client('\n')
c.push("hello ")
c.push("world\n")
asyncore.loop()
s.join()
self.assertEqual(c.contents, b'hello world')
def test_numeric_terminator(self):
# Try reading a fixed number of bytes
s = echo_server()
s.start()
time.sleep(1) # Give server time to initialize
c = echo_client(6)
c.push("hello ")
c.push("world\n")
asyncore.loop()
s.join()
self.assertEqual(c.contents, b'hello ')
def test_main(verbose=None):
test_support.run_unittest(TestAsynchat)
if __name__ == "__main__":
test_main(verbose=True)
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