86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
# Copyright (c) 2012 Rackspace Hosting
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Tests for the configuration wrapper in volume drivers."""
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from oslo_config import cfg
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from cinder import test
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from cinder.volume import configuration
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volume_opts = [
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cfg.StrOpt('str_opt', default='STR_OPT'),
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cfg.BoolOpt('bool_opt', default=False)
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]
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more_volume_opts = [
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cfg.IntOpt('int_opt', default=1),
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]
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CONF = cfg.CONF
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CONF.register_opts(volume_opts)
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CONF.register_opts(more_volume_opts)
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class VolumeConfigurationTest(test.TestCase):
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def test_group_grafts_opts(self):
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c = configuration.Configuration(volume_opts, config_group='foo')
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self.assertEqual(c.str_opt, 'STR_OPT')
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self.assertEqual(c.bool_opt, False)
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self.assertEqual(c.str_opt, CONF.backend_defaults.str_opt)
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self.assertEqual(c.bool_opt, CONF.backend_defaults.bool_opt)
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self.assertIsNone(CONF.foo.str_opt)
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self.assertIsNone(CONF.foo.bool_opt)
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def test_opts_no_group(self):
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c = configuration.Configuration(volume_opts)
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self.assertEqual(c.str_opt, CONF.str_opt)
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self.assertEqual(c.bool_opt, CONF.bool_opt)
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def test_grafting_multiple_opts(self):
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c = configuration.Configuration(volume_opts, config_group='foo')
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c.append_config_values(more_volume_opts)
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self.assertEqual(c.str_opt, 'STR_OPT')
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self.assertEqual(c.bool_opt, False)
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self.assertEqual(c.int_opt, 1)
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# We get the right values, but they are coming from the backend_default
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# group of CONF no the 'foo' one.
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self.assertEqual(c.str_opt, CONF.backend_defaults.str_opt)
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self.assertEqual(c.bool_opt, CONF.backend_defaults.bool_opt)
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self.assertEqual(c.int_opt, CONF.backend_defaults.int_opt)
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self.assertIsNone(CONF.foo.str_opt)
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self.assertIsNone(CONF.foo.bool_opt)
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self.assertIsNone(CONF.foo.int_opt)
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def test_safe_get(self):
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c = configuration.Configuration(volume_opts, config_group='foo')
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self.assertIsNone(c.safe_get('none_opt'))
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def test_backend_specific_value(self):
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c = configuration.Configuration(volume_opts, config_group='foo')
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# Set some new non-default value
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CONF.set_override('str_opt', 'bar', group='backend_defaults')
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actual_value = c.str_opt
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self.assertEqual('bar', actual_value)
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CONF.set_override('str_opt', 'notbar', group='foo')
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actual_value = c.str_opt
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# Make sure that we pick up the backend value and not the shared group
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# value...
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self.assertEqual('notbar', actual_value)
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