Testing & QA Skills

DOM Testing Library patterns for behavior-driven UI testing. Framework-agnostic patterns for testing user interfaces.

React Testing Library patterns for testing React components, hooks, and context.

Master end-to-end testing with Playwright and Cypress to build reliable test suites that catch bugs.

Master Bash Automated Testing System (Bats) for comprehensive shell script testing.

Comprehensive QA and testing skill for quality assurance, test automation, and testing strategies for ReactJS, NextJS, NodeJS applications.

Toolkit for interacting with and testing local web applications using Playwright.

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library.

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

Test authenticated routes using cookie-based authentication. Use when testing API endpoints.

Use when users need to debug, modify, or extend CLI commands, argument parsing, or CLI behavior.

Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts.

Use when implementing complex logic that needs test coverage - write the test first, watch it fail.

Detect visual changes in UI components using screenshot comparison.

Automatically generate comprehensive unit tests from source code.

Execute integration tests validating component interactions and system integration.

Execute load testing, stress testing, and performance benchmarking.

Perform API fuzzing to discover edge cases, crashes, and security vulnerabilities.

Analyze code coverage metrics and identify untested code paths.

Execute chaos engineering experiments to test system resilience.