test_visualizer.py 文件源码

def test_callable_and_async_different_signature(self):
        # Test that a different Visualizer object has a different dynamic
        # signature.
        most_common_viz = self.plugin.visualizers['most_common_viz']

        for callable_attr in '__call__', 'async':
            signature = inspect.Signature.from_callable(
                getattr(most_common_viz, callable_attr))
            parameters = list(signature.parameters.items())

            kind = inspect.Parameter.POSITIONAL_OR_KEYWORD
            exp_parameters = [
                ('ints', inspect.Parameter(
                    'ints', kind, annotation=IntSequence1 | IntSequence2))
            ]

            self.assertEqual(parameters, exp_parameters)