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# 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 uuid
from testtools import matchers
from keystoneauth1 import exceptions
from keystoneauth1 import loading
from keystoneauth1.tests.unit.loading import utils
class LoadingTests(utils.TestCase):
def test_required_values(self):
opts = [loading.Opt('a', required=False),
loading.Opt('b', required=True)]
Plugin, Loader = utils.create_plugin(opts=opts)
l = Loader()
v = uuid.uuid4().hex
p1 = l.load_from_options(b=v)
self.assertEqual(v, p1['b'])
e = self.assertRaises(exceptions.MissingRequiredOptions,
l.load_from_options,
a=v)
self.assertEqual(1, len(e.options))
for o in e.options:
self.assertIsInstance(o, loading.Opt)
self.assertEqual('b', e.options[0].name)
def test_loaders(self):
loaders = loading.get_available_plugin_loaders()
self.assertThat(len(loaders), matchers.GreaterThan(0))
for l in loaders.values():
self.assertIsInstance(l, loading.BaseLoader)
def test_loading_getter(self):
called_opts = []
vals = {'a-int': 44,
'a-bool': False,
'a-float': 99.99,
'a-str': 'value'}
val = uuid.uuid4().hex
def _getter(opt):
called_opts.append(opt.name)
# return str because oslo.config should convert them back
return str(vals[opt.name])
p = utils.MockLoader().load_from_options_getter(_getter, other=val)
self.assertEqual(set(vals), set(called_opts))
for k, v in vals.items():
# replace - to _ because it's the dest used to create kwargs
self.assertEqual(v, p[k.replace('-', '_')])
# check that additional kwargs get passed through
self.assertEqual(val, p['other'])
def test_loading_getter_with_kwargs(self):
called_opts = set()
vals = {'a-bool': False,
'a-float': 99.99}
def _getter(opt):
called_opts.add(opt.name)
# return str because oslo.config should convert them back
return str(vals[opt.name])
p = utils.MockLoader().load_from_options_getter(_getter,
a_int=66,
a_str='another')
# only the options not passed by kwargs should get passed to getter
self.assertEqual(set(('a-bool', 'a-float')), called_opts)
self.assertEqual(False, p['a_bool'])
self.assertEqual(99.99, p['a_float'])
self.assertEqual('another', p['a_str'])
self.assertEqual(66, p['a_int'])
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