webapp-testing
Native Python Playwright toolkit for testing and debugging local web applications with server lifecycle management.
- Includes
with_server.pyhelper script for managing single or multiple server instances automatically during test execution - Supports reconnaissance-then-action workflow: screenshot/inspect rendered DOM, identify selectors, then execute interactions
- Provides example scripts covering element discovery, static HTML automation, and console log capture
- Emphasizes waiting for
networkidleon dynamic apps before DOM inspection to avoid timing issues
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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