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JuanDiego30
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nextjs-jest

Configure Jest with next/jest and test Next.js components and API routes.

Updated Apr 14, 2026
Search Tags:#testing#jest#next.js#mocking#server-components#rtl
One-click install
npx skills add https://github.com/JuanDiego30/cermont_aplicativo --skill nextjs-jest
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nextjs-jest
Source: https://github.com/JuanDiego30/cermont_aplicativo/tree/main/.agents/skills/nextjs-jest
Command: npx skills add https://github.com/JuanDiego30/cermont_aplicativo --skill nextjs-jest

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps teams implement robust unit and integration tests for Next.js applications using Jest and React Testing Library, reducing regressions and ensuring reliable UI and server behavior.

Core Features & Use Cases

  • Test Setup: Configure Jest with next/jest, mock Next.js APIs (such as next/navigation and next/headers), and enable coverage reporting.
  • Testing Coverage: Write tests for Client Components, Server Components, and API routes with clear separation between unit and integration tests.
  • Use Case: Validate a page's server data fetching, route guards, and client interactions in a cohesive test suite.

Quick Start

Run the test suite to verify Next.js components and server logic.

Frequently Asked Questions about nextjs-jest

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

FAQPage Schema
How do I test Next.js Server Components with Jest and React Testing Library?▼

To test Next.js Server Components with Jest, you configure Jest using next/jest and apply React Testing Library. This approach validates server data fetching and behavior using proper mocks for external calls and API interactions.

How do I mock next/navigation and next/headers in Next.js tests?▼

Mocking next/navigation and next/headers in Next.js tests requires establishing proper mocks within your Jest configuration. This ensures isolated testing of routes and components by preventing direct external API interactions.

What is the best way to separate unit and integration tests in a Next.js application?▼

Separating unit and integration tests in a Next.js application establishes clear testing boundaries and explicit coverage criteria. This ensures reliable UI and server behavior validation while reducing regressions across Client Components and API routes.

Does next/jest work with React Testing Library for testing Client Components?▼

Yes, next/jest works with React Testing Library to test Next.js Client Components. This configuration enables you to validate client interactions and UI behavior while applying mocks for next/navigation and external calls.

Why are my Jest tests failing for Next.js API routes and server data fetching?▼

Jest tests for Next.js API routes fail when proper mocks are not established for next/navigation and external calls. Implementing next/jest configuration and mocking server data fetching ensures reliable validation of route guards and server logic.

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