83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
# Copyright 2012 OpenStack Foundation
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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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import importlib
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import inspect
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from unittest import mock
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import stevedore
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from stevedore import extension
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from novaclient import client
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from novaclient.tests.unit import utils
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class DiscoverTest(utils.TestCase):
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def test_discover_via_entry_points(self):
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def mock_mgr():
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fake_ep = mock.Mock()
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fake_ep.name = 'foo'
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module_spec = importlib.machinery.ModuleSpec('foo', None)
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fake_ep.module = importlib.util.module_from_spec(module_spec)
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fake_ep.load.return_value = fake_ep.module
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fake_ext = extension.Extension(
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name='foo',
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entry_point=fake_ep,
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plugin=fake_ep.module,
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obj=None,
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)
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return stevedore.ExtensionManager.make_test_instance([fake_ext])
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@mock.patch.object(client, '_make_discovery_manager', mock_mgr)
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def test():
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for name, module in client._discover_via_entry_points():
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self.assertEqual('foo', name)
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self.assertTrue(inspect.ismodule(module))
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test()
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def test_discover_extensions(self):
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def mock_discover_via_python_path():
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module_spec = importlib.machinery.ModuleSpec('foo', None)
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module = importlib.util.module_from_spec(module_spec)
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yield 'foo', module
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def mock_discover_via_entry_points():
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module_spec = importlib.machinery.ModuleSpec('baz', None)
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module = importlib.util.module_from_spec(module_spec)
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yield 'baz', module
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@mock.patch.object(client,
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'_discover_via_python_path',
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mock_discover_via_python_path)
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@mock.patch.object(client,
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'_discover_via_entry_points',
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mock_discover_via_entry_points)
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def test():
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extensions = client.discover_extensions('1.1')
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self.assertEqual(2, len(extensions))
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names = sorted(['foo', 'baz'])
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sorted_extensions = sorted(extensions, key=lambda ext: ext.name)
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for i in range(len(names)):
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ext = sorted_extensions[i]
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name = names[i]
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self.assertEqual(ext.name, name)
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self.assertTrue(inspect.ismodule(ext.module))
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test()
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