Which testing frameworks does this skill support?

This skill provides comprehensive patterns and configurations for Jest and Vitest, the two most popular modern JavaScript testing frameworks.

Can this skill help with mocking API calls?

Yes, it includes specific patterns for mocking global fetch, external modules, and implementing dependency injection for easier API simulation.

Does it cover frontend-specific testing?

While it focuses on core logic, the patterns provided are directly applicable to React, Vue, and other frontend frameworks using Testing Library.

Can I use this for existing projects?

Absolutely. It provides snippets for adding test suites, configuring coverage reports, and refactoring code to be more testable.

JavaScript Testing Patterns

Name: JavaScript Testing Patterns
Author: HermeticOrmus

byHermeticOrmus

0•

セキュリティとテスト

Implements robust testing strategies for JavaScript and TypeScript applications using modern frameworks like Jest and Vitest.

This skill provides comprehensive guidance and boilerplate for implementing high-quality testing suites in JavaScript and TypeScript environments. It offers standardized patterns for unit, integration, and end-to-end testing, covering critical techniques like mocking external dependencies, dependency injection, and testing asynchronous operations. Whether you are setting up a new project's test infrastructure or refining existing TDD/BDD workflows, this skill ensures your codebase remains reliable, maintainable, and well-covered by automated tests.

主な機能

01Standardized Jest and Vitest configuration templates

02Dependency injection patterns for testable architecture

030 GitHub stars

04Advanced mocking patterns for modules and external APIs

05Unit testing guides for pure functions, classes, and async code

06Test coverage threshold enforcement and CI/CD integration

ユースケース

01Setting up a new testing environment with Jest or Vitest

02Writing complex integration tests for API-driven services

03Mocking global objects like fetch or third-party libraries in unit tests

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/alqvimia-contador javascript-testing-patterns

For use in Claude.ai and ChatGPT

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