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4 Best Beginner Jest Courses on Udemy

Get up and running with Jest and RTL
Ferenc Almasi β€’ 2023 September 18

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If you're just starting out with unit testing, it can be challenging to know where to begin and what to learn. In this article, we'll explore the four best beginner-friendly Udemy courses to help you get started with Jest and RTL. On this list, we recommend the shortest course as the best overall:

Best overall: JavaScript Unit Testing by Academind

For those looking for more in-depth information, let's explore the four best beginner Jest courses on Udemy.


JavaScript Unit Testing - The Practical Guide

Our very first recommendation is the "The Practical JavaScript Unit Testing Guide" course by Academind. Maximilian SchwarzmΓΌller, a seasoned course creator on Udemy who also has more than 800k subscribers on YouTube, teaches everything you need to know about Vitest and Jest in this course.

"JavaScript Unit Testing" is all about creating automated unit and integration tests for JavaScript projects using Jest and Vitest.

JavaScript Unit Testing - The Practical Guide

By focusing on vanilla JavaScript, you'll gain a solid understanding of how to write unit and integration tests for various types of frontend projects, whether they're built with React, Vue, or Angular. This course teaches you:

unit vs integration vs e2e tests
Explaining the difference between unit, integration, and E2E tests

This course builds from the ground up, meaning no prior testing knowledge is required. Since Vitest is compatible with Jest, you can learn both Jest and a modern test runner at the same time. This helps students to learn about automated testing with and without React. It also covers concepts such as:


Unit Testing for TypeScript and Node.js

Our next recommendation is a course on unit testing in TypeScript and Node by Alex Horea, who is a professional, active senior web and cloud developer who has helped more than 200,000 students on Udemy.

This course teaches you how to work with Jest in a TypeScript environment and how to write tests using the TDD method.

Unit Testing for Typescript & NodeJs Developers with Jest

By taking this course, you'll get to learn how to work with the basics, such as how to use hooks, assertions, and matchers, as well as how to use advanced features like aliases, custom matchers, and snapshots. In addition to that, you'll learn how to:

parameterized tests in Jest explained
Looking at parameterized tests in Jest

The course also includes a coding exercise, so you can practice writing tests with an IDE while learning.


RTL and Jest

Our next pick is the "Complete React Testing Library and Jest Guide" by Stephen Grider, an engineering architect, whose courses have been watched by more than one million students on Udemy. Here you'll get practical, hands-on experience on testing in React.

This course gives you a comprehensive, all-in-one guide on how to test large React projects using RTL (React Testing Library) and Jest.

React Testing Library and Jest

This course focuses on giving you a complete understanding of how to write unit tests, and how to work with both Jest and React Testing Library. You'll get to learn:

Testing user interaction in Jest
Testing user interaction in Jest

The course also covers common patterns, such as how to use the act function, how to work with mocks, and how to test around authentication scenarios. After completing this course, you'll:


Testing Next.js with Jest

Last but not least, our final recommendation in this list is a bit more advanced course by Bonnie Schulkin, a teacher who has multiple courses on Udemy covering React and unit testing, showcasing a profound knowledge about the topic.

This course on unit, integration, and E2E testing focuses on teaching you how to write tests for Next.js applications.

Testing Next.js Apps with Jest, Cypress and RTL

The course covers strategies for testing different rendering patterns, such as SSG, SSR, ISR, and CSR. It looks into testing principles and philosophy, addressing what to test and how granular your tests should be. You'll learn:

Unit testing in Next.js
Writing your very first test in Next.js

In addition to common unit testing scenarios, you'll also get to know how to set up a test database and test authentication. This course, however, doesn't just cover unit testing, you'll also get to know how to integrate Cypress to write E2E tests for your application.


Summary

Now, it's time to start your journey in learning unit testing with Jest, RTL, and Vitest. Since these tools are all built on top of JavaScript, it's unavoidable that you have strong JavaScript skills.

If you'd like to also get a better understanding of JavaScript, be sure to check out the following collection of JavaScript courses that will help you learn everything you need to know.

7 Best Udemy Courses For Mastering JavaScript
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