Unit Testing & e2e Testing in Nest.js with JEST | Udemy

If you want to learn Unit Testing and End-to-End (e2e) Testing in NestJS using Jest, then this course is for you.

NestJS is one of the most powerful frameworks for building scalable backend applications. But writing code is not enough — proper testing ensures your application is reliable and production-ready.

In this course, you will learn how to write unit tests for controllers, services, and modules and how to perform end-to-end testing of APIs using Jest. We will use TypeScript and NestJS’s built-in Testing Module to mock dependencies, test business logic, and verify complete API behavior.

By the end of this course, you will be able to confidently write clean, maintainable, and production-ready tests for your NestJS applications.

=== Super Friendly Support ===

If you ever get stuck, I’m here to help. I try to respond as quickly as possible so you don’t stay blocked while learning.

What we will cover

• Understanding testing in NestJS
• Setting up testing with Jest
• Unit testing controllers and services
• Mocking dependencies and providers
• Using the NestJS Testing Module
• Writing End-to-End (e2e) tests for APIs
• Best practices for maintainable tests

If you want to master testing in NestJS, enroll now and I will see you in the course.