test_model_selection.py 文件源码

def test_params():
    """[Model Selection] Test raises on bad params."""
    evl = Evaluator(mape_scorer, verbose=2)

    np.testing.assert_raises(ValueError,
                             evl.fit, X, y,
                             estimators=[OLS()],
                             param_dicts={'bad.ols':
                                          {'offset': randint(1, 10)}},
                             preprocessing={'prep': [Scale()]})