python-openstackclient/tests/common/test_parseractions.py

105 lines
3.4 KiB
Python

# Copyright 2012-2013 OpenStack Foundation
#
# 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.
#
import argparse
from openstackclient.common import parseractions
from tests import utils
class TestKeyValueAction(utils.TestCase):
def test_good_values(self):
parser = argparse.ArgumentParser()
# Set up our typical usage
parser.add_argument(
'--property',
metavar='<key=value>',
action=parseractions.KeyValueAction,
help='Property to store for this volume '
'(repeat option to set multiple properties)',
)
results = parser.parse_args([
'--property', 'red=',
'--property', 'green=100%',
'--property', 'blue=50%',
])
actual = getattr(results, 'property', {})
# All should pass through unmolested
expect = {'red': '', 'green': '100%', 'blue': '50%'}
self.assertDictEqual(expect, actual)
def test_default_values(self):
parser = argparse.ArgumentParser()
# Set up our typical usage
parser.add_argument(
'--property',
metavar='<key=value>',
action=parseractions.KeyValueAction,
default={'green': '20%', 'format': '#rgb'},
help='Property to store for this volume '
'(repeat option to set multiple properties)',
)
results = parser.parse_args([
'--property', 'red=',
'--property', 'green=100%',
'--property', 'blue=50%',
])
actual = getattr(results, 'property', {})
# Verify green default is changed, format default is unchanged
expect = {'red': '', 'green': '100%', 'blue': '50%', 'format': '#rgb'}
self.assertDictEqual(expect, actual)
def test_error_values(self):
parser = argparse.ArgumentParser()
# Set up our typical usage
parser.add_argument(
'--property',
metavar='<key=value>',
action=parseractions.KeyValueAction,
default={'green': '20%', 'blue': '40%'},
help='Property to store for this volume '
'(repeat option to set multiple properties)',
)
results = parser.parse_args([
'--property', 'red',
'--property', 'green=100%',
'--property', 'blue',
])
failhere = None
actual = getattr(results, 'property', {})
# Verify non-existant red key
try:
failhere = actual['red']
except Exception as e:
self.assertTrue(type(e) == KeyError)
# Verify removal of blue key
try:
failhere = actual['blue']
except Exception as e:
self.assertTrue(type(e) == KeyError)
# There should be no red or blue
expect = {'green': '100%'}
self.assertDictEqual(expect, actual)
self.assertEqual(failhere, None)