What are the best practices for testing a MERN stack application?
When testing a MERN stack application, consider using Jest for unit tests, Supertest for API testing, and Cypress for end-to-end testing.
Can you explain how to set up Jest for a MERN project?
Sure! First, install Jest using npm. Then, create a test directory and add your test files. Configure Jest in your package.json.
What about testing the React components?
For React components, you can use React Testing Library along with Jest. It allows you to test components in a way that simulates user interactions.
How do I handle asynchronous code in my tests?
You can use async/await in your tests or return a promise. Jest will wait for the promise to resolve before proceeding.
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