上个月，团队里一个做了4年UI自动化的同事找我吐槽。他维护着800多条Playwright用例，那天早上打开报告一看——237条失败了。原因很简单：开发推了一次“不影响功能”的提交，把一批按钮的data-testid统一了命名规范。 他改定位器改到凌晨，第二天跟我说了一句话：“脚本写了这么多，为什么还是这么脆弱？” 我说：“因为你的定位规范、等待策略、踩过的坑，全部锁死在硬编码的代码里。AI读不懂 ...

本内容遵循CC 4.0 BY-SA版权协议 周五晚上，小刘抱着电脑来找我：“杨工，我改一个对象里的列表，结果另一个对象也跟着变了，这是见鬼了吗？” 我笑了：“没见鬼，你这是浅拷贝。” 第一幕：搬家那天 小刘租的房子到期，要搬去新小区。 他有两样东西： ...

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