/Python-3.2.3/Lib/test/test_smtpd.py
Python | 291 lines | 271 code | 20 blank | 0 comment | 2 complexity | 450545d7eb936f9ee8efa3aab851c6df MD5 | raw file
Possible License(s): 0BSD, BSD-3-Clause
- from unittest import TestCase
- from test import support, mock_socket
- import socket
- import io
- import smtpd
- import asyncore
- class DummyServer(smtpd.SMTPServer):
- def __init__(self, localaddr, remoteaddr):
- smtpd.SMTPServer.__init__(self, localaddr, remoteaddr)
- self.messages = []
- def process_message(self, peer, mailfrom, rcpttos, data):
- self.messages.append((peer, mailfrom, rcpttos, data))
- if data == 'return status':
- return '250 Okish'
- class DummyDispatcherBroken(Exception):
- pass
- class BrokenDummyServer(DummyServer):
- def listen(self, num):
- raise DummyDispatcherBroken()
- class SMTPDServerTest(TestCase):
- def setUp(self):
- smtpd.socket = asyncore.socket = mock_socket
- def test_process_message_unimplemented(self):
- server = smtpd.SMTPServer('a', 'b')
- conn, addr = server.accept()
- channel = smtpd.SMTPChannel(server, conn, addr)
- def write_line(line):
- channel.socket.queue_recv(line)
- channel.handle_read()
- write_line(b'MAIL From:eggs@example')
- write_line(b'RCPT To:spam@example')
- write_line(b'DATA')
- self.assertRaises(NotImplementedError, write_line, b'spam\r\n.\r\n')
- def tearDown(self):
- asyncore.close_all()
- asyncore.socket = smtpd.socket = socket
- class SMTPDChannelTest(TestCase):
- def setUp(self):
- smtpd.socket = asyncore.socket = mock_socket
- self.old_debugstream = smtpd.DEBUGSTREAM
- self.debug = smtpd.DEBUGSTREAM = io.StringIO()
- self.server = DummyServer('a', 'b')
- conn, addr = self.server.accept()
- self.channel = smtpd.SMTPChannel(self.server, conn, addr)
- def tearDown(self):
- asyncore.close_all()
- asyncore.socket = smtpd.socket = socket
- smtpd.DEBUGSTREAM = self.old_debugstream
- def write_line(self, line):
- self.channel.socket.queue_recv(line)
- self.channel.handle_read()
- def test_broken_connect(self):
- self.assertRaises(DummyDispatcherBroken, BrokenDummyServer, 'a', 'b')
- def test_server_accept(self):
- self.server.handle_accept()
- def test_missing_data(self):
- self.write_line(b'')
- self.assertEqual(self.channel.socket.last,
- b'500 Error: bad syntax\r\n')
- def test_EHLO_not_implemented(self):
- self.write_line(b'EHLO test.example')
- self.assertEqual(self.channel.socket.last,
- b'502 Error: command "EHLO" not implemented\r\n')
- def test_HELO(self):
- name = smtpd.socket.getfqdn()
- self.write_line(b'HELO test.example')
- self.assertEqual(self.channel.socket.last,
- '250 {}\r\n'.format(name).encode('ascii'))
- def test_HELO_bad_syntax(self):
- self.write_line(b'HELO')
- self.assertEqual(self.channel.socket.last,
- b'501 Syntax: HELO hostname\r\n')
- def test_HELO_duplicate(self):
- self.write_line(b'HELO test.example')
- self.write_line(b'HELO test.example')
- self.assertEqual(self.channel.socket.last,
- b'503 Duplicate HELO/EHLO\r\n')
- def test_NOOP(self):
- self.write_line(b'NOOP')
- self.assertEqual(self.channel.socket.last, b'250 Ok\r\n')
- def test_NOOP_bad_syntax(self):
- self.write_line(b'NOOP hi')
- self.assertEqual(self.channel.socket.last,
- b'501 Syntax: NOOP\r\n')
- def test_QUIT(self):
- self.write_line(b'QUIT')
- self.assertEqual(self.channel.socket.last, b'221 Bye\r\n')
- def test_QUIT_arg_ignored(self):
- self.write_line(b'QUIT bye bye')
- self.assertEqual(self.channel.socket.last, b'221 Bye\r\n')
- def test_bad_state(self):
- self.channel.smtp_state = 'BAD STATE'
- self.write_line(b'HELO')
- self.assertEqual(self.channel.socket.last,
- b'451 Internal confusion\r\n')
- def test_command_too_long(self):
- self.write_line(b'MAIL from ' +
- b'a' * self.channel.command_size_limit +
- b'@example')
- self.assertEqual(self.channel.socket.last,
- b'500 Error: line too long\r\n')
- def test_data_too_long(self):
- # Small hack. Setting limit to 2K octets here will save us some time.
- self.channel.data_size_limit = 2048
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'RCPT To:spam@example')
- self.write_line(b'DATA')
- self.write_line(b'A' * self.channel.data_size_limit +
- b'A\r\n.')
- self.assertEqual(self.channel.socket.last,
- b'552 Error: Too much mail data\r\n')
- def test_need_MAIL(self):
- self.write_line(b'RCPT to:spam@example')
- self.assertEqual(self.channel.socket.last,
- b'503 Error: need MAIL command\r\n')
- def test_MAIL_syntax(self):
- self.write_line(b'MAIL from eggs@example')
- self.assertEqual(self.channel.socket.last,
- b'501 Syntax: MAIL FROM:<address>\r\n')
- def test_MAIL_missing_from(self):
- self.write_line(b'MAIL from:')
- self.assertEqual(self.channel.socket.last,
- b'501 Syntax: MAIL FROM:<address>\r\n')
- def test_MAIL_chevrons(self):
- self.write_line(b'MAIL from:<eggs@example>')
- self.assertEqual(self.channel.socket.last, b'250 Ok\r\n')
- def test_nested_MAIL(self):
- self.write_line(b'MAIL from:eggs@example')
- self.write_line(b'MAIL from:spam@example')
- self.assertEqual(self.channel.socket.last,
- b'503 Error: nested MAIL command\r\n')
- def test_need_RCPT(self):
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'DATA')
- self.assertEqual(self.channel.socket.last,
- b'503 Error: need RCPT command\r\n')
- def test_RCPT_syntax(self):
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'RCPT to eggs@example')
- self.assertEqual(self.channel.socket.last,
- b'501 Syntax: RCPT TO: <address>\r\n')
- def test_data_dialog(self):
- self.write_line(b'MAIL From:eggs@example')
- self.assertEqual(self.channel.socket.last, b'250 Ok\r\n')
- self.write_line(b'RCPT To:spam@example')
- self.assertEqual(self.channel.socket.last, b'250 Ok\r\n')
- self.write_line(b'DATA')
- self.assertEqual(self.channel.socket.last,
- b'354 End data with <CR><LF>.<CR><LF>\r\n')
- self.write_line(b'data\r\nmore\r\n.')
- self.assertEqual(self.channel.socket.last, b'250 Ok\r\n')
- self.assertEqual(self.server.messages,
- [('peer', 'eggs@example', ['spam@example'], 'data\nmore')])
- def test_DATA_syntax(self):
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'RCPT To:spam@example')
- self.write_line(b'DATA spam')
- self.assertEqual(self.channel.socket.last, b'501 Syntax: DATA\r\n')
- def test_data_transparency_section_4_5_2(self):
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'RCPT To:spam@example')
- self.write_line(b'DATA')
- self.write_line(b'..\r\n.\r\n')
- self.assertEqual(self.channel.received_data, '.')
- def test_multiple_RCPT(self):
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'RCPT To:spam@example')
- self.write_line(b'RCPT To:ham@example')
- self.write_line(b'DATA')
- self.write_line(b'data\r\n.')
- self.assertEqual(self.server.messages,
- [('peer', 'eggs@example', ['spam@example','ham@example'], 'data')])
- def test_manual_status(self):
- # checks that the Channel is able to return a custom status message
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'RCPT To:spam@example')
- self.write_line(b'DATA')
- self.write_line(b'return status\r\n.')
- self.assertEqual(self.channel.socket.last, b'250 Okish\r\n')
- def test_RSET(self):
- self.write_line(b'MAIL From:eggs@example')
- self.write_line(b'RCPT To:spam@example')
- self.write_line(b'RSET')
- self.assertEqual(self.channel.socket.last, b'250 Ok\r\n')
- self.write_line(b'MAIL From:foo@example')
- self.write_line(b'RCPT To:eggs@example')
- self.write_line(b'DATA')
- self.write_line(b'data\r\n.')
- self.assertEqual(self.server.messages,
- [('peer', 'foo@example', ['eggs@example'], 'data')])
- def test_RSET_syntax(self):
- self.write_line(b'RSET hi')
- self.assertEqual(self.channel.socket.last, b'501 Syntax: RSET\r\n')
- def test_attribute_deprecations(self):
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__server
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__server = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__line
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__line = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__state
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__state = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__greeting
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__greeting = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__mailfrom
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__mailfrom = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__rcpttos
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__rcpttos = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__data
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__data = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__fqdn
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__fqdn = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__peer
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__peer = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__conn
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__conn = 'spam'
- with support.check_warnings(('', PendingDeprecationWarning)):
- spam = self.channel._SMTPChannel__addr
- with support.check_warnings(('', PendingDeprecationWarning)):
- self.channel._SMTPChannel__addr = 'spam'
- def test_main():
- support.run_unittest(SMTPDServerTest, SMTPDChannelTest)
- if __name__ == "__main__":
- test_main()