89 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # Copyright 2011 OpenStack LLC.
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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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| 
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| import pkg_resources
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| 
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| from nova.api.openstack.compute import extensions as computeextensions
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| from nova.api.openstack import extensions
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| from nova.openstack.common.plugin import plugin
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| from nova import test
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| 
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| 
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| class StubController(object):
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| 
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|     def i_am_the_stub(self):
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|         pass
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| 
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| 
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| class StubControllerExtension(extensions.ExtensionDescriptor):
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|     """This is a docstring.  We need it."""
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|     name = 'stubextension'
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|     alias = 'stubby'
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| 
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|     def get_resources(self):
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|         resources = []
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|         res = extensions.ResourceExtension('testme',
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|                                            StubController())
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|         resources.append(res)
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|         return resources
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| 
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| 
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| service_list = []
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| 
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| 
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| class TestPluginClass(plugin.Plugin):
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| 
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|     def __init__(self, service_name):
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|         super(TestPluginClass, self).__init__(service_name)
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|         self._add_api_extension_descriptor(StubControllerExtension)
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|         service_list.append(service_name)
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| 
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| 
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| class MockEntrypoint(pkg_resources.EntryPoint):
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|     def load(self):
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|         return TestPluginClass
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| 
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| 
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| class APITestCase(test.TestCase):
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|     """Test case for the plugin api extension interface"""
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|     def test_add_extension(self):
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|         def mock_load(_s):
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|             return TestPluginClass()
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| 
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|         def mock_iter_entry_points(_t):
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|             return [MockEntrypoint("fake", "fake", ["fake"])]
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| 
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|         self.stubs.Set(pkg_resources, 'iter_entry_points',
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|                 mock_iter_entry_points)
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|         global service_list
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|         service_list = []
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| 
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|         # Marking out the default extension paths makes this test MUCH faster.
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|         self.flags(osapi_compute_extension=[])
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|         self.flags(osapi_volume_extension=[])
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| 
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|         found = False
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|         mgr = computeextensions.ExtensionManager()
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|         for res in mgr.get_resources():
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|             # We have to use this weird 'dir' check because
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|             #  the plugin framework muddies up the classname
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|             #  such that 'isinstance' doesn't work right.
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|             if 'i_am_the_stub' in dir(res.controller):
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|                 found = True
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| 
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|         self.assertTrue(found)
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|         self.assertEqual(len(service_list), 1)
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|         self.assertEqual(service_list[0], 'compute-extensions')
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