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# Copyright (C) 2012-2015 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 styles."""
__all__ = [
'TestStyle',
]
import unittest
from mailman.interfaces.styles import (
DuplicateStyleError, IStyle, IStyleManager)
from mailman.testing.layers import ConfigLayer
from zope.component import getUtility
from zope.interface import implementer
from zope.interface.exceptions import DoesNotImplement
@implementer(IStyle)
class DummyStyle:
name = 'dummy'
priority = 1
def apply(self, mlist):
pass
def match(self, mlist, styles):
styles.append(self)
class TestStyle(unittest.TestCase):
"""Test styles."""
layer = ConfigLayer
def setUp(self):
self.manager = getUtility(IStyleManager)
def test_register_style_again(self):
# Registering a style with the same name as a previous style raises an
# exception.
self.manager.register(DummyStyle())
self.assertRaises(DuplicateStyleError,
self.manager.register, DummyStyle())
def test_register_a_non_style(self):
# You can't register something that doesn't implement the IStyle
# interface.
self.assertRaises(DoesNotImplement,
self.manager.register, object())
def test_unregister_a_non_registered_style(self):
# You cannot unregister a style that hasn't yet been registered.
self.assertRaises(KeyError,
self.manager.unregister, DummyStyle())
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