362 lines
11 KiB
Python
362 lines
11 KiB
Python
"""Test script for poplib module."""
|
|
|
|
# Modified by Giampaolo Rodola' to give poplib.POP3 and poplib.POP3_SSL
|
|
# a real test suite
|
|
|
|
import poplib
|
|
import asyncore
|
|
import asynchat
|
|
import socket
|
|
import os
|
|
import time
|
|
import errno
|
|
|
|
from unittest import TestCase, skipUnless
|
|
from test import test_support
|
|
from test.test_support import HOST
|
|
threading = test_support.import_module('threading')
|
|
|
|
|
|
# the dummy data returned by server when LIST and RETR commands are issued
|
|
LIST_RESP = '1 1\r\n2 2\r\n3 3\r\n4 4\r\n5 5\r\n.\r\n'
|
|
RETR_RESP = """From: postmaster@python.org\
|
|
\r\nContent-Type: text/plain\r\n\
|
|
MIME-Version: 1.0\r\n\
|
|
Subject: Dummy\r\n\
|
|
\r\n\
|
|
line1\r\n\
|
|
line2\r\n\
|
|
line3\r\n\
|
|
.\r\n"""
|
|
|
|
|
|
class DummyPOP3Handler(asynchat.async_chat):
|
|
|
|
def __init__(self, conn):
|
|
asynchat.async_chat.__init__(self, conn)
|
|
self.set_terminator("\r\n")
|
|
self.in_buffer = []
|
|
self.push('+OK dummy pop3 server ready.')
|
|
|
|
def collect_incoming_data(self, data):
|
|
self.in_buffer.append(data)
|
|
|
|
def found_terminator(self):
|
|
line = ''.join(self.in_buffer)
|
|
self.in_buffer = []
|
|
cmd = line.split(' ')[0].lower()
|
|
space = line.find(' ')
|
|
if space != -1:
|
|
arg = line[space + 1:]
|
|
else:
|
|
arg = ""
|
|
if hasattr(self, 'cmd_' + cmd):
|
|
method = getattr(self, 'cmd_' + cmd)
|
|
method(arg)
|
|
else:
|
|
self.push('-ERR unrecognized POP3 command "%s".' %cmd)
|
|
|
|
def handle_error(self):
|
|
raise
|
|
|
|
def push(self, data):
|
|
asynchat.async_chat.push(self, data + '\r\n')
|
|
|
|
def cmd_echo(self, arg):
|
|
# sends back the received string (used by the test suite)
|
|
self.push(arg)
|
|
|
|
def cmd_user(self, arg):
|
|
if arg != "guido":
|
|
self.push("-ERR no such user")
|
|
self.push('+OK password required')
|
|
|
|
def cmd_pass(self, arg):
|
|
if arg != "python":
|
|
self.push("-ERR wrong password")
|
|
self.push('+OK 10 messages')
|
|
|
|
def cmd_stat(self, arg):
|
|
self.push('+OK 10 100')
|
|
|
|
def cmd_list(self, arg):
|
|
if arg:
|
|
self.push('+OK %s %s' %(arg, arg))
|
|
else:
|
|
self.push('+OK')
|
|
asynchat.async_chat.push(self, LIST_RESP)
|
|
|
|
cmd_uidl = cmd_list
|
|
|
|
def cmd_retr(self, arg):
|
|
self.push('+OK %s bytes' %len(RETR_RESP))
|
|
asynchat.async_chat.push(self, RETR_RESP)
|
|
|
|
cmd_top = cmd_retr
|
|
|
|
def cmd_dele(self, arg):
|
|
self.push('+OK message marked for deletion.')
|
|
|
|
def cmd_noop(self, arg):
|
|
self.push('+OK done nothing.')
|
|
|
|
def cmd_rpop(self, arg):
|
|
self.push('+OK done nothing.')
|
|
|
|
|
|
class DummyPOP3Server(asyncore.dispatcher, threading.Thread):
|
|
|
|
handler = DummyPOP3Handler
|
|
|
|
def __init__(self, address, af=socket.AF_INET):
|
|
threading.Thread.__init__(self)
|
|
asyncore.dispatcher.__init__(self)
|
|
self.create_socket(af, socket.SOCK_STREAM)
|
|
self.bind(address)
|
|
self.listen(5)
|
|
self.active = False
|
|
self.active_lock = threading.Lock()
|
|
self.host, self.port = self.socket.getsockname()[:2]
|
|
|
|
def start(self):
|
|
assert not self.active
|
|
self.__flag = threading.Event()
|
|
threading.Thread.start(self)
|
|
self.__flag.wait()
|
|
|
|
def run(self):
|
|
self.active = True
|
|
self.__flag.set()
|
|
while self.active and asyncore.socket_map:
|
|
self.active_lock.acquire()
|
|
asyncore.loop(timeout=0.1, count=1)
|
|
self.active_lock.release()
|
|
asyncore.close_all(ignore_all=True)
|
|
|
|
def stop(self):
|
|
assert self.active
|
|
self.active = False
|
|
self.join()
|
|
|
|
def handle_accept(self):
|
|
conn, addr = self.accept()
|
|
self.handler = self.handler(conn)
|
|
self.close()
|
|
|
|
def handle_connect(self):
|
|
self.close()
|
|
handle_read = handle_connect
|
|
|
|
def writable(self):
|
|
return 0
|
|
|
|
def handle_error(self):
|
|
raise
|
|
|
|
|
|
class TestPOP3Class(TestCase):
|
|
|
|
def assertOK(self, resp):
|
|
self.assertTrue(resp.startswith("+OK"))
|
|
|
|
def setUp(self):
|
|
self.server = DummyPOP3Server((HOST, 0))
|
|
self.server.start()
|
|
self.client = poplib.POP3(self.server.host, self.server.port)
|
|
|
|
def tearDown(self):
|
|
self.client.quit()
|
|
self.server.stop()
|
|
|
|
def test_getwelcome(self):
|
|
self.assertEqual(self.client.getwelcome(), '+OK dummy pop3 server ready.')
|
|
|
|
def test_exceptions(self):
|
|
self.assertRaises(poplib.error_proto, self.client._shortcmd, 'echo -err')
|
|
|
|
def test_user(self):
|
|
self.assertOK(self.client.user('guido'))
|
|
self.assertRaises(poplib.error_proto, self.client.user, 'invalid')
|
|
|
|
def test_pass_(self):
|
|
self.assertOK(self.client.pass_('python'))
|
|
self.assertRaises(poplib.error_proto, self.client.user, 'invalid')
|
|
|
|
def test_stat(self):
|
|
self.assertEqual(self.client.stat(), (10, 100))
|
|
|
|
def test_list(self):
|
|
self.assertEqual(self.client.list()[1:],
|
|
(['1 1', '2 2', '3 3', '4 4', '5 5'], 25))
|
|
self.assertTrue(self.client.list('1').endswith("OK 1 1"))
|
|
|
|
def test_retr(self):
|
|
expected = ('+OK 116 bytes',
|
|
['From: postmaster@python.org', 'Content-Type: text/plain',
|
|
'MIME-Version: 1.0', 'Subject: Dummy',
|
|
'', 'line1', 'line2', 'line3'],
|
|
113)
|
|
self.assertEqual(self.client.retr('foo'), expected)
|
|
|
|
def test_too_long_lines(self):
|
|
self.assertRaises(poplib.error_proto, self.client._shortcmd,
|
|
'echo +%s' % ((poplib._MAXLINE + 10) * 'a'))
|
|
|
|
def test_dele(self):
|
|
self.assertOK(self.client.dele('foo'))
|
|
|
|
def test_noop(self):
|
|
self.assertOK(self.client.noop())
|
|
|
|
def test_rpop(self):
|
|
self.assertOK(self.client.rpop('foo'))
|
|
|
|
def test_apop_REDOS(self):
|
|
# Replace welcome with very long evil welcome.
|
|
# NB The upper bound on welcome length is currently 2048.
|
|
# At this length, evil input makes each apop call take
|
|
# on the order of milliseconds instead of microseconds.
|
|
evil_welcome = b'+OK' + (b'<' * 1000000)
|
|
with test_support.swap_attr(self.client, 'welcome', evil_welcome):
|
|
# The evil welcome is invalid, so apop should throw.
|
|
self.assertRaises(poplib.error_proto, self.client.apop, 'a', 'kb')
|
|
|
|
def test_top(self):
|
|
expected = ('+OK 116 bytes',
|
|
['From: postmaster@python.org', 'Content-Type: text/plain',
|
|
'MIME-Version: 1.0', 'Subject: Dummy', '',
|
|
'line1', 'line2', 'line3'],
|
|
113)
|
|
self.assertEqual(self.client.top(1, 1), expected)
|
|
|
|
def test_uidl(self):
|
|
self.client.uidl()
|
|
self.client.uidl('foo')
|
|
|
|
|
|
SUPPORTS_SSL = False
|
|
if hasattr(poplib, 'POP3_SSL'):
|
|
import ssl
|
|
|
|
SUPPORTS_SSL = True
|
|
CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "keycert.pem")
|
|
|
|
class DummyPOP3_SSLHandler(DummyPOP3Handler):
|
|
|
|
def __init__(self, conn):
|
|
asynchat.async_chat.__init__(self, conn)
|
|
self.socket = ssl.wrap_socket(self.socket, certfile=CERTFILE,
|
|
server_side=True,
|
|
do_handshake_on_connect=False)
|
|
# Must try handshake before calling push()
|
|
self._ssl_accepting = True
|
|
self._do_ssl_handshake()
|
|
self.set_terminator("\r\n")
|
|
self.in_buffer = []
|
|
self.push('+OK dummy pop3 server ready.')
|
|
|
|
def _do_ssl_handshake(self):
|
|
try:
|
|
self.socket.do_handshake()
|
|
except ssl.SSLError, err:
|
|
if err.args[0] in (ssl.SSL_ERROR_WANT_READ,
|
|
ssl.SSL_ERROR_WANT_WRITE):
|
|
return
|
|
elif err.args[0] == ssl.SSL_ERROR_EOF:
|
|
return self.handle_close()
|
|
raise
|
|
except socket.error, err:
|
|
if err.args[0] == errno.ECONNABORTED:
|
|
return self.handle_close()
|
|
else:
|
|
self._ssl_accepting = False
|
|
|
|
def handle_read(self):
|
|
if self._ssl_accepting:
|
|
self._do_ssl_handshake()
|
|
else:
|
|
DummyPOP3Handler.handle_read(self)
|
|
|
|
requires_ssl = skipUnless(SUPPORTS_SSL, 'SSL not supported')
|
|
|
|
@requires_ssl
|
|
class TestPOP3_SSLClass(TestPOP3Class):
|
|
# repeat previous tests by using poplib.POP3_SSL
|
|
|
|
def setUp(self):
|
|
self.server = DummyPOP3Server((HOST, 0))
|
|
self.server.handler = DummyPOP3_SSLHandler
|
|
self.server.start()
|
|
self.client = poplib.POP3_SSL(self.server.host, self.server.port)
|
|
|
|
def test__all__(self):
|
|
self.assertIn('POP3_SSL', poplib.__all__)
|
|
|
|
|
|
class TestTimeouts(TestCase):
|
|
|
|
def setUp(self):
|
|
self.evt = threading.Event()
|
|
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
self.sock.settimeout(60) # Safety net. Look issue 11812
|
|
self.port = test_support.bind_port(self.sock)
|
|
self.thread = threading.Thread(target=self.server, args=(self.evt,self.sock))
|
|
self.thread.setDaemon(True)
|
|
self.thread.start()
|
|
self.evt.wait()
|
|
|
|
def tearDown(self):
|
|
self.thread.join()
|
|
del self.thread # Clear out any dangling Thread objects.
|
|
|
|
def server(self, evt, serv):
|
|
serv.listen(5)
|
|
evt.set()
|
|
try:
|
|
conn, addr = serv.accept()
|
|
conn.send("+ Hola mundo\n")
|
|
conn.close()
|
|
except socket.timeout:
|
|
pass
|
|
finally:
|
|
serv.close()
|
|
|
|
def testTimeoutDefault(self):
|
|
self.assertIsNone(socket.getdefaulttimeout())
|
|
socket.setdefaulttimeout(30)
|
|
try:
|
|
pop = poplib.POP3(HOST, self.port)
|
|
finally:
|
|
socket.setdefaulttimeout(None)
|
|
self.assertEqual(pop.sock.gettimeout(), 30)
|
|
pop.sock.close()
|
|
|
|
def testTimeoutNone(self):
|
|
self.assertIsNone(socket.getdefaulttimeout())
|
|
socket.setdefaulttimeout(30)
|
|
try:
|
|
pop = poplib.POP3(HOST, self.port, timeout=None)
|
|
finally:
|
|
socket.setdefaulttimeout(None)
|
|
self.assertIsNone(pop.sock.gettimeout())
|
|
pop.sock.close()
|
|
|
|
def testTimeoutValue(self):
|
|
pop = poplib.POP3(HOST, self.port, timeout=30)
|
|
self.assertEqual(pop.sock.gettimeout(), 30)
|
|
pop.sock.close()
|
|
|
|
|
|
def test_main():
|
|
tests = [TestPOP3Class, TestTimeouts,
|
|
TestPOP3_SSLClass]
|
|
thread_info = test_support.threading_setup()
|
|
try:
|
|
test_support.run_unittest(*tests)
|
|
finally:
|
|
test_support.threading_cleanup(*thread_info)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|