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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
# Copyright 2011 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from nova import config
from nova.openstack.common import cfg
from nova import test
CONF = cfg.CONF
CONF.register_opt(cfg.StrOpt('flags_unittest',
default='foo',
help='for testing purposes only'))
class FlagsTestCase(test.TestCase):
def test_declare(self):
self.assert_('answer' not in CONF)
CONF.import_opt('answer', 'nova.tests.declare_flags')
self.assert_('answer' in CONF)
self.assertEqual(CONF.answer, 42)
# Make sure we don't overwrite anything
CONF.set_override('answer', 256)
self.assertEqual(CONF.answer, 256)
CONF.import_opt('answer', 'nova.tests.declare_flags')
self.assertEqual(CONF.answer, 256)
def test_getopt_non_interspersed_args(self):
self.assert_('runtime_answer' not in CONF)
argv = ['flags_test', 'extra_arg', '--runtime_answer=60']
args = config.parse_args(argv, default_config_files=[])
self.assertEqual(len(args), 3)
self.assertEqual(argv, args)
def test_runtime_and_unknown_flags(self):
self.assert_('runtime_answer' not in CONF)
import nova.tests.runtime_flags
self.assert_('runtime_answer' in CONF)
self.assertEqual(CONF.runtime_answer, 54)
def test_long_vs_short_flags(self):
CONF.clear()
CONF.register_cli_opt(cfg.StrOpt('duplicate_answer_long',
default='val',
help='desc'))
argv = ['flags_test', '--duplicate_answer=60', 'extra_arg']
args = config.parse_args(argv, default_config_files=[])
self.assert_('duplicate_answer' not in CONF)
self.assert_(CONF.duplicate_answer_long, 60)
CONF.clear()
CONF.register_cli_opt(cfg.IntOpt('duplicate_answer',
default=60, help='desc'))
args = config.parse_args(argv, default_config_files=[])
self.assertEqual(CONF.duplicate_answer, 60)
self.assertEqual(CONF.duplicate_answer_long, 'val')
def test_flag_leak_left(self):
self.assertEqual(CONF.flags_unittest, 'foo')
self.flags(flags_unittest='bar')
self.assertEqual(CONF.flags_unittest, 'bar')
def test_flag_leak_right(self):
self.assertEqual(CONF.flags_unittest, 'foo')
self.flags(flags_unittest='bar')
self.assertEqual(CONF.flags_unittest, 'bar')
def test_flag_overrides(self):
self.assertEqual(CONF.flags_unittest, 'foo')
self.flags(flags_unittest='bar')
self.assertEqual(CONF.flags_unittest, 'bar')
CONF.reset()
self.assertEqual(CONF.flags_unittest, 'foo')
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