test_passive_aggressive.py 文件源码

def test_wrong_class_weight_label():
    # ValueError due to wrong class_weight label.
    X2 = np.array([[-1.0, -1.0], [-1.0, 0], [-.8, -1.0],
                   [1.0, 1.0], [1.0, 0.0]])
    y2 = [1, 1, 1, -1, -1]

    clf = PassiveAggressiveClassifier(class_weight={0: 0.5})
    assert_raises(ValueError, clf.fit, X2, y2)