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# Copyright (C) 2016-2017 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Test the `no_subject` header rule."""
import unittest
from email.header import Header
from mailman.app.lifecycle import create_list
from mailman.email.message import Message
from mailman.rules import no_subject
from mailman.testing.layers import ConfigLayer
class TestNoSubject(unittest.TestCase):
"""Test the no_subject rule."""
layer = ConfigLayer
def setUp(self):
self._mlist = create_list('test@example.com')
self._rule = no_subject.NoSubject()
def test_header_instance_empty(self):
msg = Message()
msg['Subject'] = Header('')
result = self._rule.check(self._mlist, msg, {})
self.assertTrue(result)
def test_header_instance_not_empty(self):
msg = Message()
msg['Subject'] = Header('Test subject')
result = self._rule.check(self._mlist, msg, {})
self.assertFalse(result)
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