How do I test a Node.js API?
Use Jest and supertest. Import the Express app, send requests with supertest, assert on the response. Test happy paths and error paths. Use a test database. Run tests in CI on every push.
Verify This Answer
Cross-check this information using these trusted sources:
More FAQs in Node.js API Development Roadmap: From Zero to Production
Master JavaScript, learn HTTP, learn Express, learn REST principles, add MongoDB with Mongoose, add validation, add error handling, add auth, add security middlewares, add pagination and filtering, add logging, test, document, deploy, and monitor. Take it one step at a time.
Strong JavaScript and HTTP. Variables, scope, closures, promises, async/await for JavaScript. Methods, status codes, headers, request-response cycle for HTTP. Without these, REST design will not make sense.
After schemas, routes, controllers, validation, and error handling. Auth depends on user schemas, password hashing, and tokens. It is a natural step after you can store and retrieve users.
Still have questions?
Browse all our FAQs or reach out to our support team