test

Plan, execute, and analyze tests across multiple programming stacks.

54|3|Updated Feb 4, 2026
One-click install
npx skills add https://github.com/arcasilesgroup/ai-engineering --skill test-arcasilesgroup
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: test
Source: https://github.com/arcasilesgroup/ai-engineering/tree/main/.agents/skills/test
Command: npx skills add https://github.com/arcasilesgroup/ai-engineering --skill test-arcasilesgroup

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill streamlines the entire testing lifecycle, from planning and execution to identifying coverage gaps and adopting Test-Driven Development (TDD), ensuring code quality and maintainability across multiple programming languages and frameworks.

Core Features & Use Cases

  • Unified Testing: Supports 20+ stacks including Python, TypeScript, .NET, React, Node.js, Rust, Go, and Java.
  • TDD Workflow: Guides developers through the RED-GREEN-REFACTOR cycle for building software with confidence.
  • Coverage Analysis: Identifies and prioritizes areas lacking sufficient test coverage.
  • Use Case: A developer needs to implement a new feature in a Python/FastAPI application. They use the tdd mode to write a failing test, then write the minimal code to pass, refactor, and ensure all tests remain green, guaranteeing the new code behaves as expected.

Quick Start

Use the test skill in tdd mode to drive implementation for the new user authentication module.

Frequently Asked Questions about test

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement Test-Driven Development for a new feature in Python or TypeScript?

Test-Driven Development implementation is guided through the RED-GREEN-REFACTOR cycle: you write a failing test, write minimal code to pass, and refactor while keeping tests green. This workflow supports Python, TypeScript, and 20+ other stacks.

What is the best way to structure unit tests and integration tests across diverse software stacks?

The best way to structure unit tests and integration tests is by enforcing the AAA pattern and specific test categories. This framework distinguishes between unit, integration, and E2E tests across stacks like Rust, Go, Java, and .NET.

How does test coverage analysis identify and prioritize gaps in my code?

Test coverage analysis identifies and prioritizes areas lacking sufficient test coverage across your codebase. By evaluating executed code paths during unit, integration, and E2E tests, it highlights specific gaps to target for improving maintainability.

Does this testing framework support Node.js, NestJS, React, and Next.js applications?

Yes, this testing framework fully supports Node.js, NestJS, React, and Next.js applications. It provides a unified testing lifecycle encompassing strategy planning, execution, and coverage analysis specifically tailored for these JavaScript and TypeScript environments.

Why should I use fakes over mocks when writing unit tests?

You should use fakes over mocks to enforce testing best practices and ensure code quality. Fakes provide more robust and maintainable test doubles by simulating real behavior rather than verifying interaction calls, reducing test fragility.