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# Copyright (C) 2012-2013 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 header chain."""
from __future__ import absolute_import, print_function, unicode_literals
__metaclass__ = type
__all__ = [
'TestHeaderChain',
]
import unittest
from mailman.app.lifecycle import create_list
from mailman.chains.headers import HeaderMatchRule
from mailman.config import config
from mailman.email.message import Message
from mailman.interfaces.chain import LinkAction
from mailman.testing.layers import ConfigLayer
from mailman.testing.helpers import LogFileMark, configuration
class TestHeaderChain(unittest.TestCase):
"""Test the header chain code."""
layer = ConfigLayer
def setUp(self):
self._mlist = create_list('test@example.com')
@configuration('antispam', header_checks="""
Foo: a+
Bar: bb?
""")
def test_config_checks(self):
# Test that the header-match chain has the header checks from the
# configuration file.
chain = config.chains['header-match']
# The links are created dynamically; the rule names will all start
# with the same prefix, but have a variable suffix. The actions will
# all be to jump to the named chain. Do these checks now, while we
# collect other useful information.
post_checks = []
saw_any_rule = False
for link in chain.get_links(self._mlist, Message(), {}):
if link.rule.name == 'any':
saw_any_rule = True
self.assertEqual(link.action, LinkAction.jump)
elif saw_any_rule:
raise AssertionError("'any' rule was not last")
else:
self.assertEqual(link.rule.name[:13], 'header-match-')
self.assertEqual(link.action, LinkAction.defer)
post_checks.append((link.rule.header, link.rule.pattern))
self.assertListEqual(post_checks, [
('Foo', 'a+'),
('Bar', 'bb?'),
])
@configuration('antispam', header_checks="""
Foo: foo
A-bad-line
Bar: bar
""")
def test_bad_configuration_line(self):
# Take a mark on the error log file.
mark = LogFileMark('mailman.error')
# A bad value in [antispam]header_checks should just get ignored, but
# with an error message logged.
chain = config.chains['header-match']
# The links are created dynamically; the rule names will all start
# with the same prefix, but have a variable suffix. The actions will
# all be to jump to the named chain. Do these checks now, while we
# collect other useful information.
post_checks = []
saw_any_rule = False
for link in chain.get_links(self._mlist, Message(), {}):
if link.rule.name == 'any':
saw_any_rule = True
self.assertEqual(link.action, LinkAction.jump)
elif saw_any_rule:
raise AssertionError("'any' rule was not last")
else:
self.assertEqual(link.rule.name[:13], 'header-match-')
self.assertEqual(link.action, LinkAction.defer)
post_checks.append((link.rule.header, link.rule.pattern))
self.assertListEqual(post_checks, [
('Foo', 'foo'),
('Bar', 'bar'),
])
# Check the error log.
self.assertEqual(mark.readline()[-77:-1],
'Configuration error: [antispam]header_checks '
'contains bogus line: A-bad-line')
def test_duplicate_header_match_rule(self):
# 100% coverage: test an assertion in a corner case.
#
# Save the existing rules so they can be restored later.
saved_rules = config.rules.copy()
next_rule_name = 'header-match-{0:02}'.format(HeaderMatchRule._count)
config.rules[next_rule_name] = object()
try:
self.assertRaises(AssertionError,
HeaderMatchRule, 'x-spam-score', '.*')
finally:
config.rules = saved_rules
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