172 lines
7.1 KiB
Python
172 lines
7.1 KiB
Python
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# Copyright 2012, Red Hat, Inc.
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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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"""
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Unit Tests for cinder.scheduler.rpcapi
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"""
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import copy
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import ddt
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import mock
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from cinder import context
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from cinder.scheduler import rpcapi as scheduler_rpcapi
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from cinder import test
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@ddt.ddt
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class SchedulerRpcAPITestCase(test.TestCase):
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def setUp(self):
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super(SchedulerRpcAPITestCase, self).setUp()
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def tearDown(self):
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super(SchedulerRpcAPITestCase, self).tearDown()
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def _test_scheduler_api(self, method, rpc_method,
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fanout=False, **kwargs):
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ctxt = context.RequestContext('fake_user', 'fake_project')
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rpcapi = scheduler_rpcapi.SchedulerAPI()
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expected_retval = 'foo' if rpc_method == 'call' else None
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target = {
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"fanout": fanout,
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"version": kwargs.pop('version', rpcapi.RPC_API_VERSION)
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}
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expected_msg = copy.deepcopy(kwargs)
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self.fake_args = None
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self.fake_kwargs = None
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def _fake_prepare_method(*args, **kwds):
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for kwd in kwds:
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self.assertEqual(target[kwd], kwds[kwd])
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return rpcapi.client
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def _fake_rpc_method(*args, **kwargs):
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self.fake_args = args
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self.fake_kwargs = kwargs
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if expected_retval:
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return expected_retval
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with mock.patch.object(rpcapi.client, "prepare") as mock_prepared:
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mock_prepared.side_effect = _fake_prepare_method
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with mock.patch.object(rpcapi.client, rpc_method) as mock_method:
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mock_method.side_effect = _fake_rpc_method
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retval = getattr(rpcapi, method)(ctxt, **kwargs)
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self.assertEqual(expected_retval, retval)
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expected_args = [ctxt, method, expected_msg]
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for arg, expected_arg in zip(self.fake_args, expected_args):
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self.assertEqual(expected_arg, arg)
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for kwarg, value in self.fake_kwargs.items():
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self.assertEqual(expected_msg[kwarg], value)
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def test_update_service_capabilities(self):
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self._test_scheduler_api('update_service_capabilities',
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rpc_method='cast',
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service_name='fake_name',
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host='fake_host',
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capabilities='fake_capabilities',
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fanout=True,
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version='2.0')
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@mock.patch('oslo_messaging.RPCClient.can_send_version', return_value=True)
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def test_create_volume(self, can_send_version):
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self._test_scheduler_api('create_volume',
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rpc_method='cast',
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topic='topic',
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volume_id='volume_id',
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snapshot_id='snapshot_id',
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image_id='image_id',
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request_spec='fake_request_spec',
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filter_properties='filter_properties',
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volume='volume',
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version='2.2')
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can_send_version.assert_has_calls([mock.call('2.2')])
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@mock.patch('oslo_messaging.RPCClient.can_send_version',
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return_value=False)
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def test_create_volume_serialization(self, can_send_version):
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self._test_scheduler_api('create_volume',
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rpc_method='cast',
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topic='topic',
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volume_id='volume_id',
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snapshot_id='snapshot_id',
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image_id='image_id',
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request_spec={'volume_type': {}},
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filter_properties='filter_properties',
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volume='volume',
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version='2.0')
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can_send_version.assert_has_calls([mock.call('2.2')])
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def test_migrate_volume_to_host(self):
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self._test_scheduler_api('migrate_volume_to_host',
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rpc_method='cast',
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topic='topic',
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volume_id='volume_id',
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host='host',
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force_host_copy=True,
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request_spec='fake_request_spec',
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filter_properties='filter_properties',
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volume='volume',
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version='2.0')
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def test_retype(self):
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self._test_scheduler_api('retype',
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rpc_method='cast',
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topic='topic',
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volume_id='volume_id',
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request_spec='fake_request_spec',
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filter_properties='filter_properties',
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volume='volume',
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version='2.0')
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@ddt.data('2.0', '2.1')
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@mock.patch('oslo_messaging.RPCClient.can_send_version')
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def test_manage_existing(self, version, can_send_version):
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can_send_version.side_effect = lambda x: x == version
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self._test_scheduler_api('manage_existing',
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rpc_method='cast',
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topic='topic',
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volume_id='volume_id',
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request_spec='fake_request_spec',
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filter_properties='filter_properties',
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volume='volume',
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version=version)
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can_send_version.assert_called_with('2.1')
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def test_get_pools(self):
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self._test_scheduler_api('get_pools',
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rpc_method='call',
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filters=None,
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version='2.0')
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def test_create_group(self):
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self._test_scheduler_api('create_group',
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rpc_method='cast',
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topic='topic',
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group='group',
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group_spec='group_spec_p',
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request_spec_list=['fake_request_spec_list'],
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group_filter_properties=
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'fake_group_filter_properties',
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filter_properties_list=
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['fake_filter_properties_list'],
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version='2.3')
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