tests.py 文件源码

def test_surf_pipeline():
    """Ensure that SURF works in a sklearn pipeline when it is parallelized"""
    np.random.seed(240932)

    clf = make_pipeline(SURF(n_features_to_select=2, n_jobs=-1),
                        RandomForestClassifier(n_estimators=100, n_jobs=-1))

    assert np.mean(cross_val_score(clf, features, labels, cv=3)) > 0.7