vitest

Run unit tests in Vite projects with a Jest-compatible API.

2|Updated Jan 5, 2024

Search Tags:#unit tests #typescript #vitest #testing #javascript #vite

Ready to run

npx skills add https://github.com/wilfriedago/dotfiles --skill vitest-wilfriedago

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: vitest
Source: https://github.com/wilfriedago/dotfiles/tree/main/agents/skills/vitest
Command: npx skills add https://github.com/wilfriedago/dotfiles --skill vitest-wilfriedago

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a rapid and efficient way to write and run unit tests for your Vite-powered projects, ensuring code quality and stability.

Core Features & Use Cases

Fast Unit Testing: Leverage Vite's speed for near-instantaneous test execution and feedback.
Jest-Compatible API: Easily migrate existing Jest tests or use familiar assertion and mocking patterns.
Use Case: When developing a new feature, use this Skill to write comprehensive unit tests that verify the functionality of individual components and functions, catching bugs early in the development cycle.

Quick Start

Use the vitest skill to run all tests in the project.

Frequently Asked Questions about vitest

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

FAQPage Schema

How do I run unit tests for a Vite project using a Jest-compatible API?▼

Vitest provides a fast, Vite-native unit testing framework with a Jest-compatible API, allowing you to write and run tests within your Vite projects efficiently while supporting mocking, coverage, and snapshots.

What is the best way to migrate existing Jest tests to a Vite-native testing framework?▼

The best way to migrate existing Jest tests is using Vitest, which offers a Jest-compatible API that allows you to leverage familiar assertion and mocking patterns directly within your Vite-powered projects for rapid test execution.

Can I use mocking and snapshot testing in JavaScript unit tests with Vite?▼

Yes, you can use mocking and snapshot testing in JavaScript unit tests with Vite by configuring Vitest, which natively supports these features alongside code coverage and type testing within your Vite projects.

Do I need a specific configuration file to set up unit testing in a Vite project?▼

You need to configure unit testing in a Vite project using a `vitest.config.ts` or `vite.config.ts` file, which ensures optimal integration of the Vitest framework for running and validating your JavaScript and TypeScript code.

Why choose Vite-native testing over other JavaScript testing frameworks?▼

You should choose Vite-native testing to leverage Vite's speed for near-instantaneous test execution and feedback, catching bugs early in the development cycle while maintaining a Jest-compatible API for easy migration.