mirror of https://github.com/python/cpython
75 lines
1.9 KiB
Python
75 lines
1.9 KiB
Python
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import socket
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import threading
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import telnetlib
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import time
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from unittest import TestCase
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from test import test_support
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def server(evt):
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serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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serv.settimeout(3)
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serv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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serv.bind(("", 9091))
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serv.listen(5)
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try:
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conn, addr = serv.accept()
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except socket.timeout:
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pass
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finally:
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serv.close()
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evt.set()
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class GeneralTests(TestCase):
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def setUp(self):
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self.evt = threading.Event()
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threading.Thread(target=server, args=(self.evt,)).start()
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time.sleep(.1)
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def tearDown(self):
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self.evt.wait()
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def testBasic(self):
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# connects
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telnet = telnetlib.Telnet("localhost", 9091)
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telnet.sock.close()
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def testTimeoutDefault(self):
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# default
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telnet = telnetlib.Telnet("localhost", 9091)
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self.assertTrue(telnet.sock.gettimeout() is None)
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telnet.sock.close()
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def testTimeoutValue(self):
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# a value
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telnet = telnetlib.Telnet("localhost", 9091, timeout=30)
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self.assertEqual(telnet.sock.gettimeout(), 30)
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telnet.sock.close()
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def testTimeoutDifferentOrder(self):
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telnet = telnetlib.Telnet(timeout=30)
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telnet.open("localhost", 9091)
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self.assertEqual(telnet.sock.gettimeout(), 30)
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telnet.sock.close()
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def testTimeoutNone(self):
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# None, having other default
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previous = socket.getdefaulttimeout()
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socket.setdefaulttimeout(30)
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try:
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telnet = telnetlib.Telnet("localhost", 9091, timeout=None)
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finally:
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socket.setdefaulttimeout(previous)
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self.assertEqual(telnet.sock.gettimeout(), 30)
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telnet.sock.close()
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def test_main(verbose=None):
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test_support.run_unittest(GeneralTests)
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if __name__ == '__main__':
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test_main()
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