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import socket
import threading
import ftplib
import time
from unittest import TestCase
from test import test_support
HOST = test_support.HOST
# This function sets the evt 3 times:
# 1) when the connection is ready to be accepted.
# 2) when it is safe for the caller to close the connection
# 3) when we have closed the socket
def server(evt, serv):
serv.listen(5)
# (1) Signal the caller that we are ready to accept the connection.
evt.set()
try:
conn, addr = serv.accept()
except socket.timeout:
pass
else:
conn.send(b"1 Hola mundo\n")
# (2) Signal the caller that it is safe to close the socket.
evt.set()
conn.close()
finally:
serv.close()
# (3) Signal the caller that we are done.
evt.set()
class GeneralTests(TestCase):
def setUp(self):
self.evt = threading.Event()
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.settimeout(3)
self.port = test_support.bind_port(self.sock)
threading.Thread(target=server, args=(self.evt,self.sock)).start()
# Wait for the server to be ready.
self.evt.wait()
self.evt.clear()
ftplib.FTP.port = self.port
def tearDown(self):
self.evt.wait()
def testBasic(self):
# do nothing
ftplib.FTP()
# connects
ftp = ftplib.FTP(HOST)
self.evt.wait()
ftp.sock.close()
def testTimeoutDefault(self):
# default
ftp = ftplib.FTP(HOST)
self.assertTrue(ftp.sock.gettimeout() is None)
self.evt.wait()
ftp.sock.close()
def testTimeoutValue(self):
# a value
ftp = ftplib.FTP(HOST, timeout=30)
self.assertEqual(ftp.sock.gettimeout(), 30)
self.evt.wait()
ftp.sock.close()
def testTimeoutConnect(self):
ftp = ftplib.FTP()
ftp.connect(HOST, timeout=30)
self.assertEqual(ftp.sock.gettimeout(), 30)
self.evt.wait()
ftp.sock.close()
def testTimeoutDifferentOrder(self):
ftp = ftplib.FTP(timeout=30)
ftp.connect(HOST)
self.assertEqual(ftp.sock.gettimeout(), 30)
self.evt.wait()
ftp.sock.close()
def testTimeoutDirectAccess(self):
ftp = ftplib.FTP()
ftp.timeout = 30
ftp.connect(HOST)
self.assertEqual(ftp.sock.gettimeout(), 30)
self.evt.wait()
ftp.sock.close()
def testTimeoutNone(self):
# None, having other default
previous = socket.getdefaulttimeout()
socket.setdefaulttimeout(30)
try:
ftp = ftplib.FTP(HOST, timeout=None)
finally:
socket.setdefaulttimeout(previous)
self.assertEqual(ftp.sock.gettimeout(), 30)
self.evt.wait()
ftp.close()
def test_main(verbose=None):
test_support.run_unittest(GeneralTests)
if __name__ == '__main__':
test_main()
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