1e04c8fffb
This commit changes ExecuteCommandMixin to store the actual exception in SyncCommandResult instead of just the message in the exception. This is required in the API side where the result.command_error is trasformed to base.ExceptionType. Closes-bug: 1430896 Change-Id: I222bfc11868e73c7da03c84723f1450e38aa1a2f
219 lines
8.9 KiB
Python
219 lines
8.9 KiB
Python
# Copyright 2013 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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from oslotest import base as test_base
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from stevedore import extension
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from ironic_python_agent import errors
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from ironic_python_agent.extensions import base
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def _fake_validator(ext, **kwargs):
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if not kwargs.get('is_valid', True):
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raise errors.InvalidCommandParamsError('error')
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class ExecutionError(errors.RESTError):
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def __init__(self):
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super(ExecutionError, self).__init__('failed')
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class FakeExtension(base.BaseAgentExtension):
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@base.async_command('fake_async_command', _fake_validator)
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def fake_async_command(self, is_valid=False, param=None):
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if param == 'v2':
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raise ExecutionError()
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return param
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@base.sync_command('fake_sync_command', _fake_validator)
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def fake_sync_command(self, is_valid=False, param=None):
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if param == 'v2':
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raise ExecutionError()
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return param
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@base.async_command('other_async_name')
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def second_async_command(self):
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pass
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@base.sync_command('other_sync_name')
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def second_sync_command(self):
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pass
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class FakeAgent(base.ExecuteCommandMixin):
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def __init__(self):
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super(FakeAgent, self).__init__()
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self.ext_mgr = extension.ExtensionManager.make_test_instance(
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[extension.Extension('fake', None, FakeExtension,
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FakeExtension())])
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class TestExecuteCommandMixin(test_base.BaseTestCase):
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def setUp(self):
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super(TestExecuteCommandMixin, self).setUp()
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self.agent = FakeAgent()
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def test_execute_command(self):
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do_something_impl = mock.Mock()
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fake_extension = FakeExtension()
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fake_extension.command_map['do_something'] = do_something_impl
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self.agent.ext_mgr = extension.ExtensionManager.make_test_instance(
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[extension.Extension('fake', None, FakeExtension, fake_extension)])
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self.agent.execute_command('fake.do_something', foo='bar')
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do_something_impl.assert_called_once_with(foo='bar')
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def test_execute_invalid_command(self):
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self.assertRaises(errors.InvalidCommandError,
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self.agent.execute_command,
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'do_something',
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foo='bar')
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def test_execute_unknown_extension(self):
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self.assertRaises(errors.RequestedObjectNotFoundError,
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self.agent.execute_command,
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'do.something',
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foo='bar')
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def test_execute_command_success(self):
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expected_result = base.SyncCommandResult('fake', None, True, None)
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fake_ext = self.agent.get_extension('fake')
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fake_ext.execute = mock.Mock()
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fake_ext.execute.return_value = expected_result
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result = self.agent.execute_command('fake.sleep',
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sleep_info={"time": 1})
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self.assertEqual(expected_result, result)
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def test_execute_command_invalid_content(self):
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fake_ext = self.agent.ext_mgr['fake'].obj
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fake_ext.execute = mock.Mock()
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fake_ext.execute.side_effect = errors.InvalidContentError('baz')
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self.assertRaises(errors.InvalidContentError,
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self.agent.execute_command,
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'fake.sleep', sleep_info={"time": 1})
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def test_execute_command_other_exception(self):
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fake_ext = self.agent.ext_mgr['fake'].obj
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fake_ext.execute = mock.Mock()
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exc = errors.CommandExecutionError('foo bar baz')
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fake_ext.execute.side_effect = exc
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result = self.agent.execute_command(
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'fake.sleep', sleep_info={"time": 1}
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)
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self.assertEqual(base.AgentCommandStatus.FAILED,
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result.command_status)
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self.assertEqual(exc, result.command_error)
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class TestExtensionDecorators(test_base.BaseTestCase):
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def setUp(self):
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super(TestExtensionDecorators, self).setUp()
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self.agent = FakeAgent()
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self.agent.force_heartbeat = mock.Mock()
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self.extension = FakeExtension(agent=self.agent)
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def test_async_command_success(self):
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result = self.extension.execute('fake_async_command', param='v1')
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self.assertIsInstance(result, base.AsyncCommandResult)
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result.join()
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self.assertEqual('fake_async_command', result.command_name)
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self.assertEqual({'param': 'v1'}, result.command_params)
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self.assertEqual(base.AgentCommandStatus.SUCCEEDED,
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result.command_status)
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self.assertEqual(None, result.command_error)
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self.assertEqual({'result': 'fake_async_command: v1'},
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result.command_result)
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self.agent.force_heartbeat.assert_called_once_with()
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def test_async_command_success_without_agent(self):
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extension = FakeExtension(agent=None)
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result = extension.execute('fake_async_command', param='v1')
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self.assertIsInstance(result, base.AsyncCommandResult)
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result.join()
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self.assertEqual('fake_async_command', result.command_name)
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self.assertEqual({'param': 'v1'}, result.command_params)
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self.assertEqual(base.AgentCommandStatus.SUCCEEDED,
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result.command_status)
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self.assertEqual(None, result.command_error)
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self.assertEqual({'result': 'fake_async_command: v1'},
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result.command_result)
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def test_async_command_validation_failure(self):
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self.assertRaises(errors.InvalidCommandParamsError,
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self.extension.execute,
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'fake_async_command',
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is_valid=False)
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# validation is synchronous, no need to force a heartbeat
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self.assertEqual(0, self.agent.force_heartbeat.call_count)
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def test_async_command_execution_failure(self):
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result = self.extension.execute('fake_async_command', param='v2')
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self.assertIsInstance(result, base.AsyncCommandResult)
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result.join()
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self.assertEqual('fake_async_command', result.command_name)
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self.assertEqual({'param': 'v2'}, result.command_params)
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self.assertEqual(base.AgentCommandStatus.FAILED,
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result.command_status)
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self.assertIsInstance(result.command_error, ExecutionError)
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self.assertEqual(None, result.command_result)
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self.agent.force_heartbeat.assert_called_once_with()
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def test_async_command_name(self):
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self.assertEqual(
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'other_async_name',
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self.extension.second_async_command.command_name)
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def test_sync_command_success(self):
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result = self.extension.execute('fake_sync_command', param='v1')
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self.assertIsInstance(result, base.SyncCommandResult)
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self.assertEqual('fake_sync_command', result.command_name)
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self.assertEqual({'param': 'v1'}, result.command_params)
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self.assertEqual(base.AgentCommandStatus.SUCCEEDED,
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result.command_status)
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self.assertEqual(None, result.command_error)
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self.assertEqual({'result': 'v1'}, result.command_result)
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# no need to force heartbeat on a sync command
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self.assertEqual(0, self.agent.force_heartbeat.call_count)
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def test_sync_command_validation_failure(self):
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self.assertRaises(errors.InvalidCommandParamsError,
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self.extension.execute,
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'fake_sync_command',
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is_valid=False)
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# validation is synchronous, no need to force a heartbeat
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self.assertEqual(0, self.agent.force_heartbeat.call_count)
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def test_sync_command_execution_failure(self):
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self.assertRaises(ExecutionError,
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self.extension.execute,
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'fake_sync_command',
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param='v2')
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# no need to force heartbeat on a sync command
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self.assertEqual(0, self.agent.force_heartbeat.call_count)
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def test_sync_command_name(self):
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self.assertEqual(
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'other_sync_name',
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self.extension.second_sync_command.command_name)
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def test_command_map(self):
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expected_map = {
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'fake_async_command': self.extension.fake_async_command,
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'fake_sync_command': self.extension.fake_sync_command,
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'other_async_name': self.extension.second_async_command,
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'other_sync_name': self.extension.second_sync_command,
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}
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self.assertEqual(expected_map, self.extension.command_map)
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