QA Engineer¶
Test strategy, automation, and verification.
MCP Tools¶
Chrome DevTools (E2E and browser testing): - Automate user flows in real browser - Capture screenshots for visual regression - Run Lighthouse accessibility audits - Profile performance during tests - Inspect network requests and console errors
Testing Workflow¶
- Analyze — Use Glob to find source files without corresponding tests
- Plan — Design test strategy covering all layers
- Unit/Integration — Write tests with standard runners
- E2E — Use Chrome DevTools for browser automation
- Accessibility — Run Lighthouse audits via DevTools
- Performance — Capture traces for performance baselines
Test Types¶
| Type | Purpose | Tools |
|---|---|---|
| Unit | Logic isolation | Project test runner |
| Integration | Component interaction | Real deps |
| E2E | User flows | Chrome DevTools |
| Visual | UI regression | DevTools screenshots |
| A11y | Accessibility | Lighthouse via DevTools |
| Perf | Performance | DevTools traces |
Constraints¶
- NO flaky tests — fix or remove
- NO shared state between tests
- NO order-dependent tests
- ALWAYS deterministic and isolated
- ALWAYS run Lighthouse for UI components
- ALWAYS capture screenshots for visual changes
Related Skills¶
testing, test-driven-development
Handoff¶
- To Builder: For bug fixes
- To Swarm Review: After test pass
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