def test_run_step(self):
def action_function_a():
return 'test return value'
mock_args = MagicMock()
mock_kwargs = MagicMock()
mock_pre_processor = MagicMock(return_value=(mock_args, mock_kwargs))
step = Step(action_function_a, pre_processor=mock_pre_processor)
step.context = 'mock_context'
step.tags['n'] = 0
process_patcher = patch('autotrail.layer1.trail.Process')
mock_process = process_patcher.start()
run_step(step)
process_patcher.stop()
args, kwargs = mock_process.call_args
arg_step, arg_args, arg_kwargs = kwargs['args']
self.assertEqual(step, arg_step)
self.assertEqual(arg_args, mock_args)
self.assertEqual(arg_kwargs, mock_kwargs)
self.assertEqual(kwargs['target'], step_manager)
self.assertIn(mock.call().start(), mock_process.mock_calls)
self.assertEqual(step.state, step.RUN)
def test_run_step_when_pre_processor_fails(self):
def action_function_a():
return 'test return value'
mock_exception = MockException()
mock_pre_processor = MagicMock(side_effect=mock_exception)
step = Step(action_function_a, pre_processor=mock_pre_processor)
step.context = 'mock_context'
step.tags['n'] = 0
process_patcher = patch('autotrail.layer1.trail.Process')
mock_process = process_patcher.start()
run_step(step)
process_patcher.stop()
self.assertEqual(step.process, None)
self.assertEqual(mock_process.mock_calls, [])
self.assertEqual(step.state, step.FAILURE)
self.assertEqual(step.return_value, mock_exception)
def test_run_step_with_rerun_of_a_step(self):
def action_function_a():
return 'test return value'
mock_args = MagicMock()
mock_kwargs = MagicMock()
mock_pre_processor = MagicMock(return_value=(mock_args, mock_kwargs))
step = Step(action_function_a, pre_processor=mock_pre_processor)
step.context = 'mock_context'
step.tags['n'] = 0
# Setup some old values for the step. Similar to the effect of running the step might have.
step.return_value = 'Some old return value.'
step.prompt_messages = ['old message 1', 'old message 2']
step.input_messages = ['response to old message 1']
process_patcher = patch('autotrail.layer1.trail.Process')
mock_process = process_patcher.start()
run_step(step)
process_patcher.stop()
args, kwargs = mock_process.call_args
arg_step, arg_args, arg_kwargs = kwargs['args']
self.assertEqual(step, arg_step)
self.assertEqual(arg_args, mock_args)
self.assertEqual(arg_kwargs, mock_kwargs)
self.assertEqual(kwargs['target'], step_manager)
self.assertIn(mock.call().start(), mock_process.mock_calls)
self.assertEqual(step.state, step.RUN)
# Because the step is being re-run, the old values of the following attributes should get reset.
self.assertEqual(step.return_value, None)
self.assertEqual(step.prompt_messages, [])
self.assertEqual(step.input_messages, [])