How can I effectively test my Next.js applications?

How can I effectively test my Next.js applications?

You can use tools like Jest and React Testing Library for unit and integration tests, and Cypress for end-to-end testing.

What are some best practices for writing tests in Next.js?

Best practices include writing tests for critical components, using mocks for external APIs, and keeping tests isolated.

Can you explain how to set up Jest in a Next.js project?

Sure! First, install Jest and its dependencies, then create a jest.config.js file to configure it for your Next.js setup.

What about testing API routes in Next.js?

You can test API routes using supertest along with Jest to simulate requests and validate responses.