Udemy – Mastering Jest Testing with TypeScript and Node.js 2025-5

Udemy – Mastering Jest Testing with TypeScript and Node.js 2025-5 Downloadly IRSpace

Aug 17, 2025 - 02:27 Updated: Aug 19, 2025 - 14:22

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Udemy – Mastering Jest Testing with TypeScript and Node.js 2025-5

Mastering Jest Testing with TypeScript and Node.js. This comprehensive course introduces you to the principles and techniques of writing tests in modern Node.js environments using Jest and TypeScript. From initial project setup and configuration of TypeScript and Jest to writing structured tests for complex functions, classes, and errors, all essential topics are covered. You’ll work with test structure, lifecycle hooks, core Jest methods like `describe`, `it`, and `expect`, as well as concepts like the AAA pattern and test doubles (including Mock, Spy, and Stub). You’ll also learn error handling techniques, testing mocked services, and validating API responses. Upon completion of this course, you’ll be able to write reliable, professional tests for TypeScript and Node.js applications.

What you will learn

Setting up and configuring Jest for a TypeScript-based Node.js project.
Write unit and integration tests using Jest’s core methods and adapters.
Effective use of test doubles such as mocks, stubs, fakes, and spies.
Implement and test robust error handling for real applications.

This course is suitable for people who:

This course is perfect for JavaScript or TypeScript developers who want to learn how to write high-quality, automated tests using Jest in Node.js projects. Whether you’re a beginner at testing or a developer who’s written a few tests but never felt confident with mocking, spying, or handling real errors – this course is for you.

Course details: Mastering Jest Testing with TypeScript and Node.js

Publisher: Udemy
Instructor: Jānis Smilga
Training level: Beginner to advanced
Training duration: 3 hours and 57 minutes
Number of lessons: 29

Course topics

Prerequisites for the Mastering Jest Testing with TypeScript and Node.js course

Basic understanding of JavaScript and TypeScript. You should be comfortable with functions, variables, and basic types)
Familiarity with Node.js and using the terminal/command line
A code editor like VS Code and Node.js installed on your machine
No prior testing experience is required — we’ll start from the ground up!