def test_callback_named_methods_registered(self):

        class Artist(Model):
            def before_save(self):
                pass

            def after_save(self):
                pass

            def before_delete(self):
                pass

            def after_delete(self):
                pass

            def after_init(self):
                pass

        assert 'before_save' in Artist._callbacks['before_save']
        assert 'after_save' in Artist._callbacks['after_save']
        assert 'before_delete' in Artist._callbacks['before_delete']
        assert 'after_delete' in Artist._callbacks['after_delete']
        assert 'after_init' in Artist._callbacks['after_init']
Show a visual approximation of an array of center-surround features
dataset/ETHPy150Open linkyndy/remodel/tests/test_models.py/ModelTests.test_callback_named_methods_registered--crossover with--dataset/ETHPy150Open matt2000/becca/worlds/world_tools.py/visualize_pixel_array_feature