write-tests

Generate pytest, Jest, and Vitest unit tests for code changes.

6|2|Updated Jan 15, 2026
One-click install
npx skills add https://github.com/v1-io/v1tamins --skill write-tests-v1-io
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: write-tests
Source: https://github.com/v1-io/v1tamins/tree/main/claude/skills/write-tests
Command: npx skills add https://github.com/v1-io/v1tamins --skill write-tests-v1-io

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Automates the creation of comprehensive unit tests to ensure code changes are properly validated and conform to project testing conventions.

Core Features & Use Cases

  • Generates test scaffolding that follows pytest (backend) and Jest/Vitest (frontend) conventions.
  • Ensures coverage of public methods, edge cases, and error handling.
  • Provides clear test structure guidance and anti-pattern avoidance to improve reliability.

Quick Start

Run the /write-tests [target] command to generate tests for all changes or a specific file.

Frequently Asked Questions about write-tests

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

FAQPage Schema
How do I generate unit tests for code changes automatically?

Unit tests for code changes are generated automatically by analyzing modified files and creating test scaffolding that covers public methods, edge cases, and error handling. The process validates changes against main or specific files.

Can I automate pytest test generation for backend Python projects?

Yes, automated test generation supports pytest conventions for backend Python projects, creating structured test cases that follow the Arrange-Act-Assert pattern and adhere to existing project testing conventions.

Does this work with Jest and Vitest for frontend test generation?

Frontend test generation works with both Jest and Vitest environments, automatically generating test scaffolding that ensures full coverage of public methods and follows project-specific testing conventions.

What is the Arrange-Act-Assert pattern for structuring unit tests?

The Arrange-Act-Assert pattern structures unit tests into three phases: setting up test data, executing the target method, and verifying the outcome. This pattern is applied to ensure clear test structure and avoid common anti-patterns.

How do I ensure edge cases and error handling are covered in automated tests?

Edge cases and error handling are covered by generating comprehensive test cases that target public methods and boundary conditions, ensuring full test coverage and improving code reliability across backend and frontend environments.

What are the limitations of automated test generation for existing code?

Automated test generation focuses on public methods and project conventions, meaning private methods or unconventional patterns may require manual test writing to achieve full validation coverage.