E2e Testing

This skill enforces test-driven development principles by guiding developers through TDD workflows. It provides comprehensive patterns for unit tests, integration tests, and E2E tests with examples using Jest, Vitest, and Playwright, along with mocking strategies and coverage requirements.

A comprehensive guide to end-to-end testing with Playwright and Cypress frameworks. It teaches patterns like Page Object Model, test fixtures, network mocking, visual regression testing, accessibility testing, and debugging strategies for building reliable and maintainable test suites.

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use when user wants to test websites, automate browser interactions, validate web functionality, or perform any browser-based testing.

This skill helps teams document and test user journeys through their applications. It provides templates for mapping critical user flows (signup, checkout, etc.), Playwright test patterns for E2E journey validation, and UX checklists to ensure experiences are clear, fast, and forgiving. The skill focuses on testing real user experiences rather than just feature specifications.