cloud-init/cloudinit/tests/test_shell.py

32 lines
1.1 KiB
Python

# Copyright 2015 Canonical Ltd.
# This file is part of cloud-init. See LICENCE file for license information.
#
# vi: ts=4 expandtab
import cloudinit.shell as shell
from cloudinit.tests import TestCase
from cloudinit.tests.util import mock
class TestMain(TestCase):
def test_help_exits_success(self):
with mock.patch('cloudinit.shell.sys.stdout'):
exc = self.assertRaises(
SystemExit, shell.main, args=['cloud-init', '--help'])
self.assertEqual(exc.code, 0)
def test_invalid_arguments_exit_fail(self):
# silence writes that get to stderr
with mock.patch('cloudinit.shell.sys.stderr'):
exc = self.assertRaises(
SystemExit, shell.main, args=['cloud-init', 'bogus_argument'])
self.assertNotEqual(exc.code, 0)
@mock.patch('cloudinit.shell.sys.stdout')
def test_version_shows_cloud_init(self, mock_out_write):
shell.main(args=['cloud-init', 'version'])
write_arg = mock_out_write.write.call_args[0][0]
self.assertTrue(write_arg.startswith('cloud-init'))