Unit Testing

Aplica padrões de excelência em testes com NestJS e Jest seguindo Clean Architecture, DDD e boas práticas de testabilidade. Use quando criar ou refatorar testes unitários, de integração ou E2E em projetos NestJS.

Vitest + Storybook testing strategy with clear role separation.Reference for implementing unit tests and UI interaction tests.

CLI testing strategies and patterns for Node.js (Jest) and Python (pytest, Click.testing.CliRunner). Use when writing tests for CLI tools, testing command execution, validating exit codes, testing output, implementing CLI test suites, or when user mentions CLI testing, Jest CLI tests, pytest CLI, Click.testing.CliRunner, command testing, or exit code validation.

Testing patterns for litefs-py and litefs-django. Use when writing tests, setting up fixtures, understanding test organization, or configuring pytest marks. Triggers: test, pytest, unit test, integration test, property-based testing, hypothesis, fixtures, in-memory adapters.

Configure Static Application Security Testing (SAST) tools for automated vulnerability detection in application code. Use when setting up security scanning, implementing DevSecOps practices, or automating code vulnerability detection.

Setup and configure testing infrastructure with Vitest, Playwright, and testing patterns. Use when users need to add tests, configure test runners, implement TDD workflows, or create E2E test suites. Covers unit, integration, and end-to-end testing strategies.

Comprehensive testing strategies with Vitest, Jest, and Testing Library

Systematic code quality improvement workflow combining smart-reviewer and test-generator MCP tools with Pareto 80/20 auto-fixes, severity-based review, and comprehensive test generation. Use when p...

Expert in Lighthouse Journey Timeline frontend architecture, React patterns, TypeScript, TanStack Query, Zustand, and component development with strong type safety. Use when building UI components, implementing data fetching, managing state, writing forms, styling with Tailwind, testing React components, or integrating with backend APIs.

End-to-end feature development workflow with brainstorming, TDD, implementation, testing, and documentation. Use when adding new features, implementing user stories, or building new capabilities. Enforces test-first development, encourages design exploration, and ensures proper documentation.

Run and debug Rust tests for glhf. Use when running tests, fixing test failures, or adding new test cases.

Generate high-quality bilingual programming quiz questions for Codle. Use this skill when creating new quiz questions that test deep understanding rather than rote memorization.

Generate comprehensive unit tests for iOS RxSwift project files (ViewModels, UseCases, Services). Creates complete test files with nested mocks, RxTest patterns, session error handling, and memory leak tests. Use when "generate unit tests", "write tests for", "create unit tests", "add tests for", or analyzing Swift files in PayooMerchant project.

Spec-First, Agent-Implemented Software Development Lifecycle. Use when:(1) Starting a new software project that needs structured design-before-code approach,(2) User mentions "SDLC", "spec-first", "design docs", or "implementation spec",(3) User wants to go from requirements/intent to working code with traceability,(4) Project requires documented architectural decisions and review checkpoints,(5) User has existing design artifacts and wants to continue from a specific phase.Produces: Intent doc → HLD → ADR-Lite → EIS → Code → Validation tests.

Use this skill whenever the user wants to set up, write, or refactor tests for a NestJS TypeScript backend, including unit tests, integration tests, and e2e tests with Jest, TestingModule, and Supertest.

A test local skill for Claude. Use when testing local skills detection.

HealthSim generates realistic synthetic healthcare data for testing EMR systems, claims processing, pharmacy benefits, and analytics. Use for ANY request involving: (1) synthetic patients, clinical data, or medical records, (2) healthcare claims, billing, or adjudication, (3) pharmacy prescriptions, formularies, or drug utilization, (4) HL7v2, FHIR, X12, or NCPDP formatted output, (5) healthcare testing scenarios or sample data generation.

This skill should be used when the user asks about "rust workspace", "rust best practices", "cargo workspace setup", "rust code organization", "rust dependency management", "rust testing strategy", "rust project", "scalable rust", "rust CI setup", or needs guidance on senior-level Rust development patterns, workspace design, code organization strategies, or production-ready Rust architectures.

Complete feature development lifecycle from research to deployment. Uses Gemini Search for best practices, architecture design, Codex prototyping, comprehensive testing, and documentation generation. Full 12-stage workflow.

Handle post-ticket completion tasks including test exports, planning doc updates, and learning reflection. Use this skill after a ticket's tests all pass and 6-final.md exists.