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# Copyright (C) 2015-2017 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 mailman command utilities."""
import unittest
from contextlib import ExitStack
from datetime import timedelta
from io import StringIO
from mailman.app.lifecycle import create_list
from mailman.bin.mailman import main
from mailman.config import config
from mailman.database.transaction import transaction
from mailman.testing.layers import ConfigLayer
from mailman.utilities.datetime import now
from unittest.mock import patch
class TestMailmanCommand(unittest.TestCase):
layer = ConfigLayer
def test_mailman_command_without_subcommand_prints_help(self):
# Issue #137: Running `mailman` without a subcommand raises an
# AttributeError.
testargs = ['mailman']
output = StringIO()
with patch('sys.argv', testargs), patch('sys.stdout', output):
with self.assertRaises(SystemExit):
main()
self.assertIn('usage', output.getvalue())
def test_transaction_commit_after_successful_subcommand(self):
# Issue #223: Subcommands which change the database need to commit or
# abort the transaction.
with transaction():
mlist = create_list('ant@example.com')
mlist.volume = 5
mlist.next_digest_number = 3
mlist.digest_last_sent_at = now() - timedelta(days=60)
testargs = ['mailman', 'digests', '-b', '-l', 'ant@example.com']
output = StringIO()
with ExitStack() as resources:
enter = resources.enter_context
enter(patch('sys.argv', testargs))
enter(patch('sys.stdout', output))
# Everything is already initialized.
enter(patch('mailman.bin.mailman.initialize'))
main()
# Clear the current transaction to force a database reload.
config.db.abort()
self.assertEqual(mlist.volume, 6)
self.assertEqual(mlist.next_digest_number, 1)
def test_transaction_abort_after_failing_subcommand(self):
with transaction():
mlist = create_list('ant@example.com')
mlist.volume = 5
mlist.next_digest_number = 3
mlist.digest_last_sent_at = now() - timedelta(days=60)
testargs = ['mailman', 'digests', '-b', '-l', 'ant@example.com',
'--send']
output = StringIO()
with ExitStack() as resources:
enter = resources.enter_context
enter(patch('sys.argv', testargs))
enter(patch('sys.stdout', output))
# Force an exception in the subcommand.
enter(patch('mailman.commands.cli_digests.maybe_send_digest_now',
side_effect=RuntimeError))
# Everything is already initialized.
enter(patch('mailman.bin.mailman.initialize'))
with self.assertRaises(RuntimeError):
main()
# Clear the current transaction to force a database reload.
config.db.abort()
# The volume and number haven't changed.
self.assertEqual(mlist.volume, 5)
self.assertEqual(mlist.next_digest_number, 3)
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