ykxmz/_tests/test_watch_lan_switch.py

# -*- coding: utf-8 -*-
"""断言安卓端的这次改造真的到位了。

用户要求：
    1. 去掉老版本那些「搜索局域网」的东西
    2. 电脑和手表在同一网络 -> 切局域网直连
    3. 不在同一网络 -> 继续用中转
    4. 局域网连不上了 -> 无缝切回中转

这些是 Java 代码，没法在这里跑起来，但可以**源码级断言**：
关键代码在不在、老代码清没清干净。
"""
from __future__ import annotations

import re
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
WATCH = ROOT / "android" / "src" / "com" / "lanremote" / "watch"
MAIN = WATCH / "MainActivity.java"
RELAY_T = WATCH / "RelayTransport.java"
CLIENT = WATCH / "RemoteClient.java"
JSON = WATCH / "Json.java"

passed = 0
failed = 0


def check(name, ok, detail=""):
    global passed, failed
    if ok:
        passed += 1
        print("  [PASS] " + name)
    else:
        failed += 1
        print("  [FAIL] " + name + "  " + str(detail))


def main() -> int:
    main_src = MAIN.read_text(encoding="utf-8")
    relay_src = RELAY_T.read_text(encoding="utf-8")
    client_src = CLIENT.read_text(encoding="utf-8")
    json_src = JSON.read_text(encoding="utf-8")

    print("一、老版本的局域网搜索要清干净")
    # 只查真的按钮，不查注释 ——
    # 代码里留了一句说明这个按钮被删了的注释，别把它当按钮。
    #
    # ⚠ 注意区分「老的那套」和「现在这套」：
    #   老版本是被删掉的 startDiscovery/showFound/connectToFound 那条流程；
    #   现在的「自动搜索电脑」走的是 startLanSearch() -> Discovery.search()，
    #   是**能用的新实现**（带定向广播 + 子网扫描兜底）。
    #   所以这里断言"老方法没了、新方法在"，而不是"不许有搜索按钮"。
    stripped = re.sub(r'//[^\n]*', '', main_src)
    check("没有老的 startDiscovery 方法",
          "private void startDiscovery" not in main_src)
    check("没有任何 startDiscovery 调用", "startDiscovery(" not in main_src)
    check("没有老的 showFound 方法", "private void showFound" not in main_src)
    check("没有老的 connectToFound 方法",
          "private void connectToFound" not in main_src)
    check("没有「正在搜索同一 WiFi 下的电脑」提示",
          "正在搜索同一 WiFi" not in main_src)
    check("现在这套搜索是 startLanSearch（新实现）",
          "private void startLanSearch()" in stripped)

    print()
    print("二、同网络 -> 切局域网直连")
    check("有同网段判断方法", "private boolean sameSubnet" in main_src)
    check("有挑同网段地址的方法",
          "private String pickSameSubnet" in main_src)
    check("有取本机 IPv4 的方法",
          "private java.util.List<String> localIpv4List" in main_src)
    check("连上中转后会试着切直连",
          "切换成局域网直连" in main_src)
    check("直连失败会退回中转",
          "直连失败，退回中转" in main_src)
    check("不在同一网络时明确说继续用中转",
          "不在同一网段，走中转" in main_src)
    check("同网段判断用的是 /24（比前三段）",
          "left[0].equals(right[0])" in main_src
          and "left[1].equals(right[1])" in main_src
          and "left[2].equals(right[2])" in main_src)

    print()
    print("三、局域网断了 -> 无缝切回中转")
    check("有切中转的方法", "private void switchToRelay" in main_src)
    check("断线时会判断是不是局域网",
          "if (lanDirect && !autoSwitching)" in main_src)
    check("切之前给用户提示",
          "正在切到中转服务器" in main_src)
    check("切成功会提示连接恢复",
          "已切到中转服务器，连接恢复" in main_src)
    check("中转也断了会重试", "次自动重连" in main_src)
    check("重试有上限（不会无限）", "autoRetry < 3" in main_src)
    check("防重入（不会同时切两次）", "autoSwitching" in main_src)

    print()
    print("四、配对码要持久化（令牌直连时切中转也需要它）")
    check("有存配对码的方法", "private void rememberPairingCode" in main_src)
    check("有读配对码的方法", "private String savedPairingCode" in main_src)
    check("连接时会记住配对码", "rememberPairingCode(code);" in main_src)
    check("没给码时会读上次的", "lastCode = savedPairingCode();" in main_src)

    print()
    print("五、中转要把电脑的局域网信息带给手表")
    check("RelayTransport 有 lanIps 字段", "private java.util.List<String> lanIps" in relay_src)
    check("RelayTransport 解析 lanIps", 'Json.stringList(reply, "lanIps")' in relay_src)
    check("RelayTransport 解析 port", 'Json.integer(reply, "port", 0)' in relay_src)
    check("RemoteClient 暴露 relayLanIps", "public java.util.List<String> relayLanIps()" in client_src)
    check("RemoteClient 暴露 relayLanPort", "public int relayLanPort()" in client_src)
    check("Json 有 stringList", "public static List<String> stringList" in json_src)

    print()
    print("六、界面上的显示要对得上")
    check("连上后标注「局域网」或「中转」",
          "（局域网）" in main_src and "（中转）" in main_src)

    print()
    print("=" * 62)
    print(f"通过 {passed} 项，失败 {failed} 项")
    return 0 if failed == 0 else 1


if __name__ == "__main__":
    raise SystemExit(main())