111 lines
4.2 KiB
Python
111 lines
4.2 KiB
Python
|
import io
|
||
|
|
import email
|
||
|
|
import unittest
|
||
|
|
from email.message import Message, EmailMessage
|
||
|
|
from email.policy import default
|
||
|
|
from test.test_email import TestEmailBase
|
||
|
|
|
||
|
|
|
||
|
|
class TestCustomMessage(TestEmailBase):
|
||
|
|
|
||
|
|
class MyMessage(Message):
|
||
|
|
def __init__(self, policy):
|
||
|
|
self.check_policy = policy
|
||
|
|
super().__init__()
|
||
|
|
|
||
|
|
MyPolicy = TestEmailBase.policy.clone(linesep='boo')
|
||
|
|
|
||
|
|
def test_custom_message_gets_policy_if_possible_from_string(self):
|
||
|
|
msg = email.message_from_string("Subject: bogus\n\nmsg\n",
|
||
|
|
self.MyMessage,
|
||
|
|
policy=self.MyPolicy)
|
||
|
|
self.assertIsInstance(msg, self.MyMessage)
|
||
|
|
self.assertIs(msg.check_policy, self.MyPolicy)
|
||
|
|
|
||
|
|
def test_custom_message_gets_policy_if_possible_from_file(self):
|
||
|
|
source_file = io.StringIO("Subject: bogus\n\nmsg\n")
|
||
|
|
msg = email.message_from_file(source_file,
|
||
|
|
self.MyMessage,
|
||
|
|
policy=self.MyPolicy)
|
||
|
|
self.assertIsInstance(msg, self.MyMessage)
|
||
|
|
self.assertIs(msg.check_policy, self.MyPolicy)
|
||
|
|
|
||
|
|
# XXX add tests for other functions that take Message arg.
|
||
|
|
|
||
|
|
|
||
|
|
class TestParserBase:
|
||
|
|
|
||
|
|
def test_only_split_on_cr_lf(self):
|
||
|
|
# The unicode line splitter splits on unicode linebreaks, which are
|
||
|
|
# more numerous than allowed by the email RFCs; make sure we are only
|
||
|
|
# splitting on those two.
|
||
|
|
for parser in self.parsers:
|
||
|
|
with self.subTest(parser=parser.__name__):
|
||
|
|
msg = parser(
|
||
|
|
"Next-Line: not\x85broken\r\n"
|
||
|
|
"Null: not\x00broken\r\n"
|
||
|
|
"Vertical-Tab: not\vbroken\r\n"
|
||
|
|
"Form-Feed: not\fbroken\r\n"
|
||
|
|
"File-Separator: not\x1Cbroken\r\n"
|
||
|
|
"Group-Separator: not\x1Dbroken\r\n"
|
||
|
|
"Record-Separator: not\x1Ebroken\r\n"
|
||
|
|
"Line-Separator: not\u2028broken\r\n"
|
||
|
|
"Paragraph-Separator: not\u2029broken\r\n"
|
||
|
|
"\r\n",
|
||
|
|
policy=default,
|
||
|
|
)
|
||
|
|
self.assertEqual(msg.items(), [
|
||
|
|
("Next-Line", "not\x85broken"),
|
||
|
|
("Null", "not\x00broken"),
|
||
|
|
("Vertical-Tab", "not\vbroken"),
|
||
|
|
("Form-Feed", "not\fbroken"),
|
||
|
|
("File-Separator", "not\x1Cbroken"),
|
||
|
|
("Group-Separator", "not\x1Dbroken"),
|
||
|
|
("Record-Separator", "not\x1Ebroken"),
|
||
|
|
("Line-Separator", "not\u2028broken"),
|
||
|
|
("Paragraph-Separator", "not\u2029broken"),
|
||
|
|
])
|
||
|
|
self.assertEqual(msg.get_payload(), "")
|
||
|
|
|
||
|
|
class MyMessage(EmailMessage):
|
||
|
|
pass
|
||
|
|
|
||
|
|
def test_custom_message_factory_on_policy(self):
|
||
|
|
for parser in self.parsers:
|
||
|
|
with self.subTest(parser=parser.__name__):
|
||
|
|
MyPolicy = default.clone(message_factory=self.MyMessage)
|
||
|
|
msg = parser("To: foo\n\ntest", policy=MyPolicy)
|
||
|
|
self.assertIsInstance(msg, self.MyMessage)
|
||
|
|
|
||
|
|
def test_factory_arg_overrides_policy(self):
|
||
|
|
for parser in self.parsers:
|
||
|
|
with self.subTest(parser=parser.__name__):
|
||
|
|
MyPolicy = default.clone(message_factory=self.MyMessage)
|
||
|
|
msg = parser("To: foo\n\ntest", Message, policy=MyPolicy)
|
||
|
|
self.assertNotIsInstance(msg, self.MyMessage)
|
||
|
|
self.assertIsInstance(msg, Message)
|
||
|
|
|
||
|
|
# Play some games to get nice output in subTest. This code could be clearer
|
||
|
|
# if staticmethod supported __name__.
|
||
|
|
|
||
|
|
def message_from_file(s, *args, **kw):
|
||
|
|
f = io.StringIO(s)
|
||
|
|
return email.message_from_file(f, *args, **kw)
|
||
|
|
|
||
|
|
class TestParser(TestParserBase, TestEmailBase):
|
||
|
|
parsers = (email.message_from_string, message_from_file)
|
||
|
|
|
||
|
|
def message_from_bytes(s, *args, **kw):
|
||
|
|
return email.message_from_bytes(s.encode(), *args, **kw)
|
||
|
|
|
||
|
|
def message_from_binary_file(s, *args, **kw):
|
||
|
|
f = io.BytesIO(s.encode())
|
||
|
|
return email.message_from_binary_file(f, *args, **kw)
|
||
|
|
|
||
|
|
class TestBytesParser(TestParserBase, TestEmailBase):
|
||
|
|
parsers = (message_from_bytes, message_from_binary_file)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
unittest.main()
|