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# Copyright (C) 2014-2016 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 base chain stuff."""
__all__ = [
'TestMiscellaneous',
'TestTerminalChainBase',
]
import unittest
from mailman.chains.accept import AcceptChain
from mailman.chains.base import Chain, Link, TerminalChainBase
from mailman.interfaces.chain import LinkAction
from mailman.rules.any import Any
from mailman.testing.layers import ConfigLayer
class SimpleChain(TerminalChainBase):
def _process(self, mlist, msg, msgdata):
pass
class TestMiscellaneous(unittest.TestCase):
"""Reach additional code coverage."""
def test_link_repr(self):
self.assertEqual(
repr(Link(Any())), '<Link "if any then LinkAction.defer">')
def test_link_repr_function(self):
def function():
pass
self.assertEqual(
repr(Link(Any(), function=function)),
'<Link "if any then LinkAction.defer" function()>')
def test_link_repr_chain(self):
self.assertEqual(
repr(Link(Any(), chain=AcceptChain())),
'<Link "if any then LinkAction.defer" accept>')
def test_link_repr_chain_and_function(self):
def function():
pass
self.assertEqual(
repr(Link(Any(), chain=AcceptChain(), function=function)),
'<Link "if any then LinkAction.defer" accept function()>')
def test_link_repr_chain_all(self):
def function():
pass
self.assertEqual(
repr(Link(Any(), LinkAction.stop, AcceptChain(), function)),
'<Link "if any then LinkAction.stop" accept function()>')
def test_flush(self):
# Test that we can flush the links of a chain.
chain = Chain('test', 'just a testing chain')
chain.append_link(Link(Any()))
# Iterate over the links of the chain to prove there are some.
count = sum(1 for link in chain.get_iterator())
self.assertEqual(count, 1)
# Flush the chain; then there will be no links.
chain.flush()
count = sum(1 for link in chain.get_iterator())
self.assertEqual(count, 0)
class TestTerminalChainBase(unittest.TestCase):
layer = ConfigLayer
def test_terminal_chain_iterator(self):
chain = SimpleChain()
self.assertEqual([link.action for link in chain],
[LinkAction.run, LinkAction.stop])
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