104 lines
4.0 KiB
Python
104 lines
4.0 KiB
Python
# 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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from stevedore import dispatch
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from stevedore.tests import utils
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def check_dispatch(ep, *args, **kwds):
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return ep.name == 't2'
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class TestDispatch(utils.TestCase):
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def check_dispatch(ep, *args, **kwds):
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return ep.name == 't2'
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def test_dispatch(self):
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def invoke(ep, *args, **kwds):
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return (ep.name, args, kwds)
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em = dispatch.DispatchExtensionManager('stevedore.test.extension',
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lambda *args, **kwds: True,
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invoke_on_load=True,
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invoke_args=('a',),
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invoke_kwds={'b': 'B'},
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)
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self.assertEqual(len(em.extensions), 2)
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self.assertEqual(set(em.names()), set(['t1', 't2']))
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results = em.map(check_dispatch,
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invoke,
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'first',
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named='named value',
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)
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expected = [('t2', ('first',), {'named': 'named value'})]
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self.assertEqual(results, expected)
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def test_dispatch_map_method(self):
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em = dispatch.DispatchExtensionManager('stevedore.test.extension',
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lambda *args, **kwds: True,
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invoke_on_load=True,
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invoke_args=('a',),
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invoke_kwds={'b': 'B'},
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)
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results = em.map_method(check_dispatch, 'get_args_and_data', 'first')
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self.assertEqual(results, [(('a',), {'b': 'B'}, 'first')])
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def test_name_dispatch(self):
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def invoke(ep, *args, **kwds):
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return (ep.name, args, kwds)
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em = dispatch.NameDispatchExtensionManager('stevedore.test.extension',
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lambda *args, **kwds: True,
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invoke_on_load=True,
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invoke_args=('a',),
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invoke_kwds={'b': 'B'},
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)
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self.assertEqual(len(em.extensions), 2)
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self.assertEqual(set(em.names()), set(['t1', 't2']))
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results = em.map(['t2'], invoke, 'first', named='named value',)
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expected = [('t2', ('first',), {'named': 'named value'})]
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self.assertEqual(results, expected)
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def test_name_dispatch_ignore_missing(self):
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def invoke(ep, *args, **kwds):
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return (ep.name, args, kwds)
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em = dispatch.NameDispatchExtensionManager(
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'stevedore.test.extension',
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lambda *args, **kwds: True,
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invoke_on_load=True,
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invoke_args=('a',),
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invoke_kwds={'b': 'B'},
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)
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results = em.map(['t3', 't1'], invoke, 'first', named='named value',)
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expected = [('t1', ('first',), {'named': 'named value'})]
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self.assertEqual(results, expected)
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def test_name_dispatch_map_method(self):
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em = dispatch.NameDispatchExtensionManager(
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'stevedore.test.extension',
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lambda *args, **kwds: True,
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invoke_on_load=True,
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invoke_args=('a',),
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invoke_kwds={'b': 'B'},
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)
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results = em.map_method(['t3', 't1'], 'get_args_and_data', 'first')
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self.assertEqual(results, [(('a',), {'b': 'B'}, 'first')])
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