webapp-testing
Web application testing and automation using Playwright with managed server lifecycle.
- Includes
with_server.pyhelper script to automatically start and manage single or multiple local servers (backend, frontend, etc.) before running automation scripts - Provides a reconnaissance-then-action pattern: navigate, wait for network idle, take screenshots, inspect DOM, identify selectors, then execute actions
- Supports both static HTML (file:// URLs) and dynamic webapps; includes example scripts for element discovery, static automation, and console logging
- Emphasizes waiting for
networkidlebefore DOM inspection on dynamic applications to ensure JavaScript execution completes
Web Application Testing
To test local web applications, write native Python Playwright scripts.
Helper Scripts Available:
scripts/with_server.py- Manages server lifecycle (supports multiple servers)
Always run scripts with --help first to see usage. DO NOT read the source until you try running the script first and find that a customized solution is abslutely necessary. These scripts can be very large and thus pollute your context window. They exist to be called directly as black-box scripts rather than ingested into your context window.
Decision Tree: Choosing Your Approach
User task → Is it static HTML?
├─ Yes → Read HTML file directly to identify selectors
│ ├─ Success → Write Playwright script using selectors
│ └─ Fails/Incomplete → Treat as dynamic (below)
│
└─ No (dynamic webapp) → Is the server already running?
├─ No → Run: python scripts/with_server.py --help
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