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322 lines
9.0 KiB
Python
322 lines
9.0 KiB
Python
"""Test script for poplib module."""
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# Modified by Giampaolo Rodola' to give poplib.POP3 and poplib.POP3_SSL
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# a real test suite
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import poplib
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import threading
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import asyncore
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import asynchat
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import socket
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import os
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import time
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from unittest import TestCase
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from test import support as test_support
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HOST = test_support.HOST
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PORT = 0
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# the dummy data returned by server when LIST and RETR commands are issued
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LIST_RESP = b'1 1\r\n2 2\r\n3 3\r\n4 4\r\n5 5\r\n.\r\n'
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RETR_RESP = b"""From: postmaster@python.org\
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\r\nContent-Type: text/plain\r\n\
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MIME-Version: 1.0\r\n\
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Subject: Dummy\r\n\
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\r\n\
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line1\r\n\
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line2\r\n\
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line3\r\n\
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.\r\n"""
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class DummyPOP3Handler(asynchat.async_chat):
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def __init__(self, conn):
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asynchat.async_chat.__init__(self, conn)
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self.set_terminator(b"\r\n")
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self.in_buffer = []
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self.push('+OK dummy pop3 server ready.')
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def collect_incoming_data(self, data):
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self.in_buffer.append(data)
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def found_terminator(self):
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line = b''.join(self.in_buffer)
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line = str(line, 'ISO-8859-1')
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self.in_buffer = []
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cmd = line.split(' ')[0].lower()
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space = line.find(' ')
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if space != -1:
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arg = line[space + 1:]
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else:
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arg = ""
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if hasattr(self, 'cmd_' + cmd):
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method = getattr(self, 'cmd_' + cmd)
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method(arg)
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else:
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self.push('-ERR unrecognized POP3 command "%s".' %cmd)
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def handle_error(self):
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raise
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def push(self, data):
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asynchat.async_chat.push(self, data.encode("ISO-8859-1") + b'\r\n')
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def cmd_echo(self, arg):
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# sends back the received string (used by the test suite)
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self.push(arg)
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def cmd_user(self, arg):
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if arg != "guido":
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self.push("-ERR no such user")
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self.push('+OK password required')
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def cmd_pass(self, arg):
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if arg != "python":
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self.push("-ERR wrong password")
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self.push('+OK 10 messages')
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def cmd_stat(self, arg):
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self.push('+OK 10 100')
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def cmd_list(self, arg):
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if arg:
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self.push('+OK %s %s' %(arg, arg))
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else:
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self.push('+OK')
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asynchat.async_chat.push(self, LIST_RESP)
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cmd_uidl = cmd_list
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def cmd_retr(self, arg):
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self.push('+OK %s bytes' %len(RETR_RESP))
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asynchat.async_chat.push(self, RETR_RESP)
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cmd_top = cmd_retr
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def cmd_dele(self, arg):
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self.push('+OK message marked for deletion.')
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def cmd_noop(self, arg):
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self.push('+OK done nothing.')
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def cmd_rpop(self, arg):
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self.push('+OK done nothing.')
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class DummyPOP3Server(asyncore.dispatcher, threading.Thread):
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handler = DummyPOP3Handler
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def __init__(self, address, af=socket.AF_INET):
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threading.Thread.__init__(self)
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asyncore.dispatcher.__init__(self)
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self.create_socket(af, socket.SOCK_STREAM)
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self.bind(address)
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self.listen(5)
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self.active = False
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self.active_lock = threading.Lock()
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self.host, self.port = self.socket.getsockname()[:2]
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def start(self):
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assert not self.active
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self.__flag = threading.Event()
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threading.Thread.start(self)
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self.__flag.wait()
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def run(self):
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self.active = True
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self.__flag.set()
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while self.active and asyncore.socket_map:
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self.active_lock.acquire()
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asyncore.loop(timeout=0.1, count=1)
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self.active_lock.release()
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asyncore.close_all(ignore_all=True)
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def stop(self):
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assert self.active
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self.active = False
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self.join()
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def handle_accept(self):
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conn, addr = self.accept()
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self.handler = self.handler(conn)
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self.close()
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def handle_connect(self):
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self.close()
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handle_read = handle_connect
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def writable(self):
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return 0
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def handle_error(self):
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raise
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class TestPOP3Class(TestCase):
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def assertOK(self, resp):
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self.assertTrue(resp.startswith(b"+OK"))
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def setUp(self):
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self.server = DummyPOP3Server((HOST, PORT))
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self.server.start()
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self.client = poplib.POP3(self.server.host, self.server.port)
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def tearDown(self):
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self.client.quit()
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self.server.stop()
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def test_getwelcome(self):
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self.assertEqual(self.client.getwelcome(), b'+OK dummy pop3 server ready.')
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def test_exceptions(self):
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self.assertRaises(poplib.error_proto, self.client._shortcmd, 'echo -err')
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def test_user(self):
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self.assertOK(self.client.user('guido'))
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self.assertRaises(poplib.error_proto, self.client.user, 'invalid')
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def test_pass_(self):
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self.assertOK(self.client.pass_('python'))
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self.assertRaises(poplib.error_proto, self.client.user, 'invalid')
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def test_stat(self):
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self.assertEqual(self.client.stat(), (10, 100))
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def test_list(self):
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self.assertEqual(self.client.list()[1:],
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([b'1 1', b'2 2', b'3 3', b'4 4', b'5 5'],
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25))
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self.assertTrue(self.client.list('1').endswith(b"OK 1 1"))
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def test_retr(self):
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expected = (b'+OK 116 bytes',
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[b'From: postmaster@python.org', b'Content-Type: text/plain',
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b'MIME-Version: 1.0', b'Subject: Dummy',
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b'', b'line1', b'line2', b'line3'],
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113)
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foo = self.client.retr('foo')
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self.assertEqual(foo, expected)
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def test_dele(self):
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self.assertOK(self.client.dele('foo'))
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def test_noop(self):
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self.assertOK(self.client.noop())
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def test_rpop(self):
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self.assertOK(self.client.rpop('foo'))
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def test_top(self):
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expected = (b'+OK 116 bytes',
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[b'From: postmaster@python.org', b'Content-Type: text/plain',
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b'MIME-Version: 1.0', b'Subject: Dummy', b'',
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b'line1', b'line2', b'line3'],
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113)
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self.assertEqual(self.client.top(1, 1), expected)
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def test_uidl(self):
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self.client.uidl()
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self.client.uidl('foo')
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SUPPORTS_SSL = False
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if hasattr(poplib, 'POP3_SSL'):
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import ssl
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SUPPORTS_SSL = True
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CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "keycert.pem")
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class DummyPOP3_SSLHandler(DummyPOP3Handler):
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def __init__(self, conn):
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asynchat.async_chat.__init__(self, conn)
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ssl_socket = ssl.wrap_socket(self.socket, certfile=CERTFILE,
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server_side=True)
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self.del_channel()
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self.set_socket(ssl_socket)
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self.set_terminator(b"\r\n")
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self.in_buffer = []
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self.push('+OK dummy pop3 server ready.')
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class TestPOP3_SSLClass(TestPOP3Class):
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# repeat previous tests by using poplib.POP3_SSL
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def setUp(self):
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self.server = DummyPOP3Server((HOST, PORT))
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self.server.handler = DummyPOP3_SSLHandler
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self.server.start()
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self.client = poplib.POP3_SSL(self.server.host, self.server.port)
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def test__all__(self):
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self.assert_('POP3_SSL' in poplib.__all__)
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class TestTimeouts(TestCase):
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def setUp(self):
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self.evt = threading.Event()
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self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.sock.settimeout(3)
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self.port = test_support.bind_port(self.sock)
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threading.Thread(target=self.server, args=(self.evt,self.sock)).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 server(self, evt, serv):
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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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else:
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conn.send(b"+ Hola mundo\n")
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conn.close()
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finally:
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serv.close()
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evt.set()
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def testTimeoutDefault(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(30)
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try:
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pop = poplib.POP3("localhost", self.port)
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finally:
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socket.setdefaulttimeout(None)
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self.assertEqual(pop.sock.gettimeout(), 30)
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pop.sock.close()
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def testTimeoutNone(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(30)
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try:
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pop = poplib.POP3(HOST, self.port, timeout=None)
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finally:
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socket.setdefaulttimeout(None)
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self.assertTrue(pop.sock.gettimeout() is None)
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pop.sock.close()
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def testTimeoutValue(self):
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pop = poplib.POP3("localhost", self.port, timeout=30)
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self.assertEqual(pop.sock.gettimeout(), 30)
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pop.sock.close()
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def test_main():
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tests = [TestPOP3Class, TestTimeouts]
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if SUPPORTS_SSL:
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tests.append(TestPOP3_SSLClass)
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thread_info = test_support.threading_setup()
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try:
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test_support.run_unittest(*tests)
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finally:
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test_support.threading_cleanup(*thread_info)
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if __name__ == '__main__':
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test_main()
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