| name | playwright |
| description | Playwright testing best practices for Next.js applications (formerly test-playwright). This skill should be used when writing, reviewing, or debugging E2E tests with Playwright. Triggers on tasks involving test selectors, flaky tests, authentication state, API mocking, hydration testing, parallel execution, CI configuration, or debugging test failures. |
Playwright + Next.js Testing Best Practices
Comprehensive testing optimization guide for Playwright with Next.js applications. Contains 43 rules across 8 categories, prioritized by impact to guide reliable, fast, and maintainable E2E tests.
When to Apply
Reference these guidelines when:
- Writing new Playwright tests for Next.js apps
- Debugging flaky or failing tests
- Optimizing test execution speed
- Setting up authentication state reuse
- Configuring CI/CD pipelines for testing
- Testing Server Components and App Router features
- Reviewing test code for reliability issues
Rule Categories by Priority
| Priority | Category | Impact | Prefix |
|---|
| 1 | Test Architecture | CRITICAL | arch- |
| 2 | Selectors & Locators | CRITICAL | loc- |
| 3 | Waiting & Assertions | HIGH | wait- |
| 4 | Authentication & State | HIGH | auth- |
| 5 | Mocking & Network | MEDIUM-HIGH | mock- |
| 6 | Next.js Integration | MEDIUM | next- |
| 7 | Performance & Speed | MEDIUM | perf- |
| 8 | Debugging & CI | LOW-MEDIUM | debug- |
Quick Reference
1. Test Architecture (CRITICAL)
2. Selectors & Locators (CRITICAL)
3. Waiting & Assertions (HIGH)
4. Authentication & State (HIGH)
5. Mocking & Network (MEDIUM-HIGH)
6. Next.js Integration (MEDIUM)
7. Performance & Speed (MEDIUM)
8. Debugging & CI (LOW-MEDIUM)
How to Use
Read individual reference files for detailed explanations and code examples:
Reference Files
