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test_parse.py
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290 lines (235 loc) · 12.3 KB
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import unittest, doctest
import pyzmail
from pyzmail.parse import *
class Msg:
"""mimic a email.Message"""
def __init__(self, value):
self.value=value
def get_all(self, header_name, default):
if self.value:
return [self.value, ]
else:
return []
class TestParse(unittest.TestCase):
def setUp(self):
pass
def test_decode_mail_header(self):
"""test decode_mail_header()"""
self.assertEqual(decode_mail_header(''), '')
self.assertEqual(decode_mail_header('hello'), 'hello')
self.assertEqual(decode_mail_header('hello '), 'hello ')
self.assertEqual(decode_mail_header('=?iso-8859-1?q?Courrier_=E8lectronique_Fran=E7ais?='), 'Courrier \xe8lectronique Fran\xe7ais')
self.assertEqual(decode_mail_header('=?utf8?q?Courrier_=C3=A8lectronique_Fran=C3=A7ais?='), 'Courrier \xe8lectronique Fran\xe7ais')
self.assertEqual(decode_mail_header('=?utf-8?b?RnJhbsOnYWlz?='), 'Fran\xe7ais')
self.assertEqual(decode_mail_header('=?iso-8859-1?q?Courrier_=E8lectronique_?= =?utf8?q?Fran=C3=A7ais?='), 'Courrier \xe8lectronique Fran\xe7ais')
self.assertEqual(decode_mail_header('=?iso-8859-1?q?Courrier_=E8lectronique_?= =?utf-8?b?RnJhbsOnYWlz?='), 'Courrier \xe8lectronique Fran\xe7ais')
self.assertEqual(decode_mail_header('h_subject_q_iso_8858_1 : =?ISO-8859-1?Q?Fran=E7ais=E20accentu=E9?= !'), 'h_subject_q_iso_8858_1 :Fran\xe7ais\xe20accentu\xe9!')
def test_get_mail_addresses(self):
"""test get_mail_addresses()"""
self.assertEqual([ ('foo@example.com', 'foo@example.com') ], get_mail_addresses(Msg('foo@example.com'), 'to'))
self.assertEqual([ ('Foo', 'foo@example.com'), ], get_mail_addresses(Msg('Foo <foo@example.com>'), 'to'))
# notice the space around the comma
self.assertEqual([ ('foo@example.com', 'foo@example.com'), ('bar@example.com', 'bar@example.com')], get_mail_addresses(Msg('foo@example.com , bar@example.com'), 'to'))
self.assertEqual([ ('Foo', 'foo@example.com'), ( 'Bar', 'bar@example.com')], get_mail_addresses(Msg('Foo <foo@example.com> , Bar <bar@example.com>'), 'to'))
self.assertEqual([ ('Foo', 'foo@example.com'), ('bar@example.com', 'bar@example.com')], get_mail_addresses(Msg('Foo <foo@example.com> , bar@example.com'), 'to'))
self.assertEqual([ ('Mr Foo', 'foo@example.com'), ('bar@example.com', 'bar@example.com')], get_mail_addresses(Msg('Mr\nFoo <foo@example.com> , bar@example.com'), 'to'))
self.assertEqual([ ('Beno\xeet', 'benoit@example.com')], get_mail_addresses(Msg('=?utf-8?q?Beno=C3=AEt?= <benoit@example.com>'), 'to'))
# address already encoded into utf8 (bad)
address='Ant\xf3nio Foo <a.foo@example.com>'.encode('utf8')
if sys.version_info<(3, 0):
self.assertEqual([('Ant\ufffd\ufffdnio Foo', 'a.foo@example.com')], get_mail_addresses(Msg(address), 'to'))
else:
# Python 3.2 return header when surrogate characters are used in header
self.assertEqual([('Ant??nio Foo', 'a.foo@example.com'), ], get_mail_addresses(Msg(email.header.Header(address, charset=email.charset.UNKNOWN8BIT, header_name='to')), 'to'))
def test_get_filename(self):
"""test get_filename()"""
import email.mime.image
filename='Fran\xe7ais.png'
if sys.version_info<(3, 0):
encoded_filename=filename.encode('iso-8859-1')
else:
encoded_filename=filename
payload=b'data'
attach=email.mime.image.MIMEImage(payload, 'png')
attach.add_header('Content-Disposition', 'attachment', filename='image.png')
self.assertEqual('image.png', get_filename(attach))
attach=email.mime.image.MIMEImage(payload, 'png')
attach.add_header('Content-Disposition', 'attachment', filename=('iso-8859-1', 'fr', encoded_filename))
self.assertEqual('Fran\xe7ais.png', get_filename(attach))
attach=email.mime.image.MIMEImage(payload, 'png')
attach.set_param('name', 'image.png')
self.assertEqual('image.png', get_filename(attach))
attach=email.mime.image.MIMEImage(payload, 'png')
attach.set_param('name', ('iso-8859-1', 'fr', encoded_filename))
self.assertEqual('Fran\xe7ais.png', get_filename(attach))
attach=email.mime.image.MIMEImage(payload, 'png')
attach.add_header('Content-Disposition', 'attachment', filename='image.png')
attach.set_param('name', 'image_wrong.png')
self.assertEqual('image.png', get_filename(attach))
def test_get_mailparts(self):
"""test get_mailparts()"""
import email.mime.multipart
import email.mime.text
import email.mime.image
msg=email.mime.multipart.MIMEMultipart(boundary='===limit1==')
txt=email.mime.text.MIMEText('The text.', 'plain', 'us-ascii')
msg.attach(txt)
image=email.mime.image.MIMEImage(b'data', 'png')
image.add_header('Content-Disposition', 'attachment', filename='image.png')
image.add_header('Content-Description', 'the description')
image.add_header('Content-ID', '<this.is.the.normaly.unique.contentid>')
msg.attach(image)
raw=msg.as_string(unixfrom=False)
expected_raw="""Content-Type: multipart/mixed; boundary="===limit1=="
MIME-Version: 1.0
--===limit1==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
The text.
--===limit1==
Content-Type: image/png
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="image.png"
Content-Description: the description
Content-ID: <this.is.the.normaly.unique.contentid>
ZGF0YQ==<HERE1>
--===limit1==--"""
if sys.version_info<(3, 0):
expected_raw=expected_raw.replace('<HERE1>','')
else:
expected_raw=expected_raw.replace('<HERE1>','\n')
self.assertEqual(raw, expected_raw)
parts=get_mail_parts(msg)
# [MailPart<*text/plain charset=us-ascii len=9>, MailPart<image/png filename=image.png len=4>]
self.assertEqual(len(parts), 2)
self.assertEqual(parts[0].type, 'text/plain')
self.assertEqual(parts[0].is_body, 'text/plain') # not a error, is_body must be type
self.assertEqual(parts[0].charset, 'us-ascii')
self.assertEqual(parts[0].get_payload().decode(parts[0].charset), 'The text.')
self.assertEqual(parts[1].type, 'image/png')
self.assertEqual(parts[1].is_body, False)
self.assertEqual(parts[1].charset, None)
self.assertEqual(parts[1].filename, 'image.png')
self.assertEqual(parts[1].description, 'the description')
self.assertEqual(parts[1].content_id, 'this.is.the.normaly.unique.contentid')
self.assertEqual(parts[1].get_payload(), b'data')
raw_1='''Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: simple test
From: Me <me@foo.com>
To: A <a@foo.com>, B <b@foo.com>
Cc: C <c@foo.com>, d@foo.com
User-Agent: pyzmail
The text.
'''
def check_message_1(self, msg):
self.assertEqual(msg.get_subject(), 'simple test')
self.assertEqual(msg.get_decoded_header('subject'), 'simple test')
self.assertEqual(msg.get_decoded_header('User-Agent'), 'pyzmail')
self.assertEqual(msg.get('User-Agent'), 'pyzmail')
self.assertEqual(msg.get_address('from'), ('Me', 'me@foo.com'))
self.assertEqual(msg.get_addresses('to'), [('A', 'a@foo.com'), ('B', 'b@foo.com')])
self.assertEqual(msg.get_addresses('cc'), [('C', 'c@foo.com'), ('d@foo.com', 'd@foo.com')])
self.assertEqual(len(msg.mailparts), 1)
self.assertEqual(msg.text_part, msg.mailparts[0])
self.assertEqual(msg.html_part, None)
# use 8bits encoding and 2 different charsets ! python 3.0 & 3.1 are not eable to parse this sample
raw_2=b"""From: sender@domain.com
To: recipient@domain.com
Date: Tue, 7 Jun 2011 16:32:17 +0200
Subject: contains 8bits attachments using different encoding
Content-Type: multipart/mixed; boundary=mixed
--mixed
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
body
--mixed
Content-Type: text/plain; charset="windows-1252"
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Disposition: attachment; filename="file1.txt"
bo\xeete mail = mailbox
--mixed
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Disposition: attachment; filename="file2.txt"
bo\xc3\xaete mail = mailbox
--mixed--
"""
def check_message_2(self, msg):
self.assertEqual(msg.get_subject(), 'contains 8bits attachments using different encoding')
body, file1, file2=msg.mailparts
self.assertEqual('file1.txt', file1.filename)
self.assertEqual('file2.txt', file2.filename)
self.assertEqual('windows-1252', file1.charset)
self.assertEqual('utf-8', file2.charset)
content=b'bo\xeete mail = mailbox'.decode("windows-1252")
content1=file1.get_payload().decode(file1.charset)
content2=file2.get_payload().decode(file2.charset)
self.assertEqual(content, content1)
self.assertEqual(content, content2)
# this one contain non us-ascii chars in the header
# py 2x and py3k return different value here
raw_3=b'Content-Type: text/plain; charset="us-ascii"\n' \
b'MIME-Version: 1.0\n' \
b'Content-Transfer-Encoding: 7bit\n' \
+ 'Subject: Beno\xeet & Ant\xf3nio\n'.encode('utf8') +\
b'From: =?utf-8?q?Beno=C3=AEt?= <benoit@example.com>\n' \
+ 'To: Ant\xf3nio Foo <a.foo@example.com>\n'.encode('utf8') \
+ 'Cc: Beno\xeet <benoit@foo.com>, d@foo.com\n'.encode('utf8') +\
b'User-Agent: pyzmail\n' \
b'\n' \
b'The text.\n'
def check_message_3(self, msg):
subject='Beno\ufffd\ufffdt & Ant\ufffd\ufffdnio' # if sys.version_info<(3, 0) else u'Beno??t & Ant??nio'
self.assertEqual(msg.get_subject(), subject)
self.assertEqual(msg.get_decoded_header('subject'), subject)
self.assertEqual(msg.get_decoded_header('User-Agent'), 'pyzmail')
self.assertEqual(msg.get('User-Agent'), 'pyzmail')
self.assertEqual(msg.get_address('from'), ('Beno\xeet', 'benoit@example.com'))
to=msg.get_addresses('to')
self.assertEqual(to[0][1], 'a.foo@example.com')
self.assertEqual(to[0][0], 'Ant\ufffd\ufffdnio Foo' if sys.version_info<(3, 0) else 'Ant??nio Foo')
cc=msg.get_addresses('cc')
self.assertEqual(cc[0][1], 'benoit@foo.com')
self.assertEqual(cc[0][0], 'Beno\ufffd\ufffdt' if sys.version_info<(3, 0) else 'Beno??t')
self.assertEqual(cc[1], ('d@foo.com', 'd@foo.com'))
self.assertEqual(len(msg.mailparts), 1)
self.assertEqual(msg.text_part, msg.mailparts[0])
self.assertEqual(msg.html_part, None)
def check_pyzmessage_factories(self, input, check):
"""test PyzMessage from different sources"""
if isinstance(input, bytes) and sys.version_info>=(3, 2):
check(PyzMessage.factory(input))
check(message_from_bytes(input))
import io
check(PyzMessage.factory(io.BytesIO(input)))
check(message_from_binary_file(io.BytesIO(input)))
if isinstance(input, str):
check(PyzMessage.factory(input))
check(message_from_string(input))
import io
check(PyzMessage.factory(io.StringIO(input)))
check(message_from_file(io.StringIO(input)))
def test_pyzmessage_factories(self):
"""test PyzMessage class different sources"""
self.check_pyzmessage_factories(self.raw_1, self.check_message_1)
self.check_pyzmessage_factories(self.raw_2, self.check_message_2)
self.check_pyzmessage_factories(self.raw_3, self.check_message_3)
# Add doctest
def load_tests(loader, tests, ignore):
# this works with python 2.7 and 3.x
if sys.version_info<(3, 0):
tests.addTests(doctest.DocTestSuite(pyzmail.parse))
return tests
def additional_tests():
# Add doctest for python 2.6 and below
if sys.version_info<(2, 7):
return doctest.DocTestSuite(pyzmail.parse)
else:
return unittest.TestSuite()