100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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 sys
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import types
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from heat.tests.common import HeatTestCase
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from heat.engine import plugin_manager
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def legacy_test_mapping():
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return {'foo': 'bar', 'baz': 'quux'}
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def current_test_mapping():
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return {'blarg': 'wibble', 'bar': 'baz'}
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def args_test_mapping(*args):
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return dict(enumerate(args))
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def kwargs_test_mapping(**kwargs):
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return kwargs
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def error_test_mapping():
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raise MappingTestError
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class MappingTestError(Exception):
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pass
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class TestPluginManager(HeatTestCase):
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@staticmethod
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def module():
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return sys.modules[__name__]
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def test_load_single_mapping(self):
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pm = plugin_manager.PluginMapping('current_test')
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self.assertEqual(current_test_mapping(),
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pm.load_from_module(self.module()))
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def test_load_first_alternative_mapping(self):
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pm = plugin_manager.PluginMapping(['current_test', 'legacy_test'])
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self.assertEqual(current_test_mapping(),
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pm.load_from_module(self.module()))
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def test_load_second_alternative_mapping(self):
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pm = plugin_manager.PluginMapping(['nonexist', 'current_test'])
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self.assertEqual(current_test_mapping(),
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pm.load_from_module(self.module()))
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def test_load_mapping_args(self):
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pm = plugin_manager.PluginMapping('args_test', 'baz', 'quux')
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expected = {0: 'baz', 1: 'quux'}
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self.assertEqual(expected, pm.load_from_module(self.module()))
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def test_load_mapping_kwargs(self):
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pm = plugin_manager.PluginMapping('kwargs_test', baz='quux')
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self.assertEqual({'baz': 'quux'}, pm.load_from_module(self.module()))
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def test_load_mapping_non_existent(self):
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pm = plugin_manager.PluginMapping('nonexist')
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self.assertEqual({}, pm.load_from_module(self.module()))
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def test_load_mapping_error(self):
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pm = plugin_manager.PluginMapping('error_test')
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self.assertRaises(MappingTestError, pm.load_from_module, self.module())
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def test_modules(self):
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mgr = plugin_manager.PluginManager('heat.tests')
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for module in mgr.modules:
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self.assertEqual(types.ModuleType, type(module))
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self.assertTrue(module.__name__.startswith('heat.tests') or
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module.__name__.startswith('heat.engine.plugins'))
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def test_load_all(self):
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mgr = plugin_manager.PluginManager('heat.tests')
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pm = plugin_manager.PluginMapping('current_test')
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all_items = pm.load_all(mgr)
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for item in current_test_mapping().iteritems():
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self.assertIn(item, all_items)
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