Diffing

Diffing

Diffing 可比较页面状态：通过 accessibility tree 做结构化对比，通过像素对比做视觉比较，或比较两个 URL。

命令

命令	说明
diff snapshot	将当前快照和本会话上一个快照比较
diff snapshot --baseline <file>	与保存的快照文件比较
diff screenshot --baseline <file>	与基准图做像素级视觉 diff
diff url <url1> <url2>	比较两个页面

验证 Agent 操作

agent-browser snapshot -i
agent-browser fill @e3 "test@example.com"
agent-browser click @e4
agent-browser diff snapshot

视觉回归

agent-browser open https://staging.example.com && agent-browser screenshot baseline.png
# 部署后
agent-browser open https://staging.example.com && agent-browser diff screenshot --baseline baseline.png

比较环境

agent-browser diff url https://staging.example.com https://prod.example.com --screenshot