Unit Testing

Master testing strategies, quality assurance, and performance optimization. Learn to ensure plugins are reliable, performant, secure, and accessible.

Express + TypeScript starter with Biome, Docker, and Vitest.

TDD（テスト駆動開発）に基づいたテストコード作成スキル。Red-Green-Refactorサイクルを実践し、t-wadaのベストプラクティスに従ってテストファーストで高品質なテストを作成します。Backend（Go test）とFrontend（Jest）の両方に対応。

Generate, explain, and test regular expressions with examples and test cases. Use when creating regex patterns or understanding complex regular expressions.

CI/CD pipeline configuration for monorepo testing including GitHub Actions workflows, Turborepo integration, two-tier quality gates (typecheck→lint→test→build), preview branch integration, retry logic, and environment management. Use when configuring CI pipelines, troubleshooting CI test failures, implementing preview deployments, or optimizing CI performance. Triggers on: CI configuration, github actions testing, CI pipeline, turborepo CI, quality gates, preview integration, CI troubleshooting.

A minimal test skill that demonstrates the basic skill structure

Design, analyze, and evaluate philosophical thought experiments. Use when: creating new thought experiments to probe specific intuitions, analyzing existing thought experiments for hidden assumptions, generating variants that isolate different variables, stress-testing philosophical positions through scenarios, exploring edge cases. Triggers: 'thought experiment', 'imagine', 'suppose', 'hypothetical', 'what if scenario', 'intuition pump', 'trolley problem', 'zombie', 'Mary's room', 'Chinese room', 'experience machine', 'teletransportation', 'original position', 'veil of ignorance', 'Gettier case'.

This skill should be used when the user asks to "create a decorator", "write a decorator", "add presentation logic", "format model data for views", "use Draper", "test a decorator", "write decorator spec", or mentions separating presentation from business logic in Rails. Provides guidance on Draper gem best practices for Rails applications.

Mandatory best practices and gold standards for Kailash SDK development including absolute imports, parameter passing, error handling, testing policies (NO MOCKING in Tiers 2-3), workflow design, custom node development, security, documentation, and test creation. Use when asking about 'best practices', 'standards', 'gold standards', 'mandatory rules', 'required patterns', 'absolute imports', 'NO MOCKING', 'testing policy', 'error handling standards', 'security best practices', 'documentation standards', or 'workflow design standards'.

pytest fixtures and integration testing patterns for Spark applications, including DataFrame assertions and mock data generation.

Migrate from Vitest 2.x/3.x to 4.x with pool options, coverage config, workspace to projects, and browser mode updates. Use when upgrading Vitest versions or encountering deprecated patterns.

Testing patterns and best practices for unit, integration, and E2E testing.

Send macOS desktop notifications after completing tasks, making significant changes, or before requesting permission. Use for task completion, file modifications, test results, and major milestones.

Generates comprehensive Elixir tests using ExUnit following TDD principles.

Test-Driven Development workflow guide. TODO - This skill is a placeholder for future development. Will cover TDD patterns for Rust, TypeScript, and Tauri apps.

Production-tested setup for AutoAnimate (@formkit/auto-animate) - a zero-config, drop-in animation librarythat automatically adds smooth transitions when DOM elements are added, removed, or moved. This skill shouldbe used when building UIs that need simple, automatic animations for lists, accordions, toasts, or form validationmessages without the complexity of full animation libraries.Use when: Adding smooth animations to dynamic lists, building filter/sort interfaces, creating accordion components,implementing toast notifications, animating form validation messages, needing simple transitions without animation code,working with Vite + React + Tailwind, deploying to Cloudflare Workers Static Assets, or encountering SSR errors withanimation libraries.Keywords: auto-animate, @formkit/auto-animate, formkit, zero-config animation, automatic animations, drop-in animation,list animations, accordion animation, toast animation, form validation animation, lightweight animation, 2kb animation,prefers-reduce

Automatically applies when writing pytest tests. Ensures proper use of fixtures, parametrize, marks, mocking, async tests, and follows testing best practices.

Runs Static Application Security Testing (SAST) using Semgrep. Scans source code for vulnerabilities, security anti-patterns, and OWASP Top 10 issues. Use when user asks to "run SAST", "scan for vulnerabilities", "static analysis", "code security scan", "静的解析", "脆弱性スキャン".

Comprehensive guide for building robust, secure, and efficient CI/CD pipelines using GitHub Actions. Covers workflow structure, jobs, steps, environment variables, secret management, caching, matrix strategies, testing, and deployment strategies.

Build and maintain WPF MVVM patterns using CommunityToolkit.Mvvm for a .NET 8 widget-host app. Use when creating ViewModels, commands, observable state, validation, view bindings, and viewmodel-first navigation behaviors. Avoid Prism and heavy region managers; keep ViewModels testable and UI-agnostic.