from app.foundation.text import cut


def test_cut_accepts_hmm_argument():
    """验证分词入口支持公开的 HMM 参数名。"""
    words = cut("台湾后台测试", HMM=False)

    assert "".join(words) == "台湾后台测试"
    assert "后台" in words


def test_cut_preserves_full_mode_contract():
    assert cut("南京市长江大桥", cut_all=True) == [
        "南京",
        "南京市",
        "京市",
        "市长",
        "长江",
        "长江大桥",
        "大桥",
    ]