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import datetime
import email
import unittest
from dateutil.tz import tzoffset
from rply import Token
import parse_received
#logging.basicConfig(level=logging.DEBUG)
INPUT_01 = \
"""from server.mymailhost.com
(mail.mymailhost.com [126.43.75.123])
by pilot01.cl.msu.edu (8.10.2/8.10.2) with ESMTP id NAA23597;
Fri, 12 Jul 2002 16:11:20 -0400 (EDT)"""
INPUT_02 = \
"""from d1080.master.cz (p-lab.cz [89.185.245.149] (may be forged))
by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t07GaC1j031854
for <mcepl@redhat.com>; Wed, 7 Jan 2015 11:36:13 -0500"""
class TestReceivedLexer(unittest.TestCase):
maxDiff = None
def test_simple_01(self):
expected = [
Token('FROMSEP', 'from'),
Token('DOMAIN', 'server.mymailhost.com'),
Token('DOMAIN', 'mail.mymailhost.com'),
Token('IPV4ADDRESS', '[126.43.75.123]'),
Token('BYSEP', 'by'),
Token('DOMAIN', 'pilot01.cl.msu.edu'),
Token('SMTPVERSION', '8.10.2/8.10.2'),
Token('WITHSEP', 'with'),
Token('SMTPSEP', 'ESMTP'),
Token('IDSEP', 'id'),
Token('STRING', 'NAA23597;'),
Token('DATETIME', 'Fri, 12 Jul 2002 16:11:20 -0400 (EDT)')
]
parsed = list(parse_received.lexer.lex(INPUT_01))
self.assertEqual(parsed, expected)
def test_simple_02(self):
expected = [
Token('FROMSEP', 'from'),
Token('DOMAIN', 'd1080.master.cz'),
Token('DOMAIN', 'p-lab.cz'),
Token('IPV4ADDRESS', '[89.185.245.149]'),
Token('IGNORABLESTR', 'may be forged'),
Token('BYSEP', 'by'),
Token('DOMAIN', 'mx1.redhat.com'),
Token('SMTPVERSION', '8.14.4/8.14.4'),
Token('WITHSEP', 'with'),
Token('SMTPSEP', 'ESMTP'),
Token('IDSEP', 'id'),
Token('STRING', 't07GaC1j031854'),
Token('FORSEP', 'for'),
Token('EMAILADDR', '<mcepl@redhat.com>'),
Token('DATETIME', 'Wed, 7 Jan 2015 11:36:13 -0500')
]
parsed = list(parse_received.lexer.lex(INPUT_02))
self.assertEqual(parsed, expected)
class TestReceivedParser(unittest.TestCase):
maxDiff = None
def test_simple_01(self):
expected = [
[Token('FROMSEP', 'from'),
[Token('DOMAIN', 'server.mymailhost.com'),
[Token('DOMAIN', 'mail.mymailhost.com'),
Token('IPV4ADDRESS', '[126.43.75.123]')]]
],
[Token('BYSEP', 'by'),
[Token('DOMAIN', 'pilot01.cl.msu.edu'),
[Token('SMTPVERSION', '8.10.2/8.10.2')]]
],
[[[],
[Token('SMTPSEP', 'ESMTP')],
[Token('STRING', 'NAA23597;')], []]
],
Token('DATETIME', 'Fri, 12 Jul 2002 16:11:20 -0400 (EDT)')
]
stream = parse_received.lexer.lex(INPUT_01)
stream.idx = 0
parsed = parse_received.parser.parse(stream)
self.assertEqual(parsed, expected)
def test_simple_02(self):
expected = [
[Token('FROMSEP', 'from'),
[Token('DOMAIN', 'd1080.master.cz'),
[Token('DOMAIN', 'p-lab.cz'),
Token('IPV4ADDRESS', '[89.185.245.149]')]]
],
[Token('BYSEP', 'by'),
[Token('DOMAIN', 'mx1.redhat.com'),
[Token('SMTPVERSION', '8.14.4/8.14.4')]]
],
[[[],
[Token('SMTPSEP', 'ESMTP')],
[Token('STRING', 't07GaC1j031854')],
[Token('FORSEP', 'for')]]
],
Token('DATETIME', 'Wed, 7 Jan 2015 11:36:13 -0500')
]
stream = parse_received.lexer.lex(INPUT_02)
stream.idx = 0
parsed = parse_received.parser.parse(stream)
self.assertEqual(parsed, expected)
def test_parse_01(self):
expected = {
'by': {'server': 'pilot01.cl.msu.edu'},
'date': datetime.datetime(
2002, 7, 12, 16, 11, 20, tzinfo=tzoffset(u'EDT', -14400)),
'from': {
'halo': 'server.mymailhost.com',
'ipaddr': '[126.43.75.123]',
'reveresed': 'mail.mymailhost.com'
}
}
observed = parse_received.parse_header(INPUT_01)
self.assertEqual(observed, expected)
def test_parse_02(self):
expected = {
'by': {'server': 'mx1.redhat.com'},
'date': datetime.datetime(
2015, 1, 7, 11, 36, 13, tzinfo=tzoffset(None, -18000)),
'from': {
'halo': 'd1080.master.cz',
'ipaddr': '[89.185.245.149]',
'reveresed': 'p-lab.cz'
}
}
observed = parse_received.parse_header(INPUT_02)
self.assertEqual(observed, expected)
def test_email_01(self):
with open('examples/mail', 'r') as inmail:
msg = email.message_from_file(inmail)
received_hdrs = msg.get_all('Received')
expected = []
parsed_headers = []
for hdr in received_hdrs:
parsed_headers.append(parse_received.parse_header(hdr))
self.assertEqual(parsed_headers, expected)
if __name__ == '__main__':
unittest.main()
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