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2025-11-29 18:16:40 +08:00

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playwright-e2e-automation Use PROACTIVELY when setting up e2e testing, debugging UI issues, or creating regression test suites. Automated Playwright framework with LLM-powered visual analysis, screenshot capture, and fix recommendations with file:line references. Zero-setup for React/Vite, Node.js, static sites, and full-stack applications. Not for unit testing, API-only testing, or mobile native apps.

Playwright E2E Automation

Overview

This skill automates the complete Playwright e2e testing lifecycle with LLM-powered visual debugging. It detects your app type, installs Playwright, generates tests, captures screenshots, analyzes for UI bugs, and produces fix recommendations with file paths and line numbers.

Key Capabilities:

  • Zero-setup automation with multi-framework support
  • Visual debugging with screenshot capture and LLM analysis
  • Regression testing with baseline comparison
  • Actionable fix recommendations with file:line references
  • CI/CD ready test suite export

When to Use This Skill

Trigger Phrases:

  • "set up playwright testing for my app"
  • "help me debug UI issues with screenshots"
  • "create e2e tests with visual regression"
  • "analyze my app's UI with screenshots"
  • "generate playwright tests for [my app]"

Use Cases:

  • Setting up Playwright testing from scratch
  • Debugging visual/UI bugs hard to describe in text
  • Creating screenshot-based regression testing
  • Generating e2e test suites for new applications
  • Identifying accessibility issues through visual inspection

NOT for:

  • Unit testing or component testing (use Vitest/Jest)
  • API-only testing without UI
  • Performance/load testing
  • Mobile native app testing (use Detox/Appium)

Response Style

  • Automated: Execute entire workflow with minimal user intervention
  • Informative: Clear progress updates at each phase
  • Visual: Always capture and analyze screenshots
  • Actionable: Generate specific fixes with file paths and line numbers

Quick Decision Matrix

User Request Action Reference
"set up playwright" Full setup workflow workflow/phase-1-discovery.mdphase-2-setup.md
"debug UI issues" Capture + Analyze workflow/phase-4-capture.mdphase-5-analysis.md
"check for regressions" Compare baselines workflow/phase-6-regression.md
"generate fix recommendations" Analyze + Generate workflow/phase-7-fixes.md
"export test suite" Package for CI/CD workflow/phase-8-export.md

Workflow Overview

Phase 1: Application Discovery

Detect app type, framework versions, and optimal configuration. → Details: workflow/phase-1-discovery.md

Phase 2: Playwright Setup

Install Playwright and generate configuration. → Details: workflow/phase-2-setup.md

Phase 2.5: Pre-flight Health Check

Validate app loads correctly before full test suite. → Details: workflow/phase-2.5-preflight.md

Phase 3: Test Generation

Create screenshot-enabled tests for critical workflows. → Details: workflow/phase-3-generation.md

Phase 4: Screenshot Capture

Run tests and capture visual data. → Details: workflow/phase-4-capture.md

Phase 5: Visual Analysis

LLM-powered analysis to identify UI bugs. → Details: workflow/phase-5-analysis.md

Phase 6: Regression Detection

Compare screenshots against baselines. → Details: workflow/phase-6-regression.md

Phase 7: Fix Generation

Map issues to source code with actionable fixes. → Details: workflow/phase-7-fixes.md

Phase 8: Test Suite Export

Package production-ready test suite. → Details: workflow/phase-8-export.md

Important Reminders

  1. Capture before AND after interactions - Provides context for visual debugging
  2. Use semantic selectors - Prefer getByRole, getByLabel over CSS selectors
  3. Baseline management is critical - Keep in sync with intentional UI changes
  4. LLM analysis is supplementary - Use alongside automated assertions
  5. Test critical paths first - Focus on user journeys that matter most (80/20 rule)
  6. Screenshots are large - Consider .gitignore for screenshots/, use CI artifacts
  7. Run tests in CI - Catch visual regressions before production
  8. Update baselines deliberately - Review diffs carefully before accepting

Limitations

  • Requires Node.js >= 16
  • Browser download needs ~500MB disk space
  • Screenshot comparison requires consistent rendering (may vary across OS)
  • LLM analysis adds ~5-10 seconds per screenshot
  • Not suitable for testing behind VPNs without additional configuration

Reference Materials

Resource Purpose
workflow/*.md Detailed phase instructions
reference/troubleshooting.md Common issues and fixes
reference/ci-cd-integration.md GitHub Actions, GitLab CI examples
data/framework-versions.yaml Version compatibility database
data/error-patterns.yaml Known error patterns with recovery
templates/ Config and test templates
examples/ Sample setups for different frameworks

Success Criteria

  • Playwright installed with browsers
  • Configuration generated for app type
  • Test suite created (3-5 critical journey tests)
  • Screenshots captured and organized
  • Visual analysis completed with issue categorization
  • Regression comparison performed
  • Fix recommendations generated
  • Test suite exported with documentation
  • All tests executable via npm run test:e2e

Total time: ~5-8 minutes (excluding one-time Playwright install)