"""短信宝脚手架回归（稳定模块，纯函数）。

验证登录密码 MD5 算法与短信宝约定一致（32 位小写十六进制）。
这是短信验证码功能（注册/改密/充值）能连通短信宝的前提。
"""
import hashlib

from app.sms_client import smsbao_md5


def test_smsbao_md5_matches_hashlib():
    samples = ["XHR521yhf", "abc123", "密码测试", ""]
    for pw in samples:
        assert smsbao_md5(pw) == hashlib.md5(pw.encode("utf-8")).hexdigest()


def test_smsbao_md5_is_32_lower_hex():
    out = smsbao_md5("XHR521yhf")
    assert len(out) == 32
    assert out == out.lower()
    assert all(c in "0123456789abcdef" for c in out)