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React Testing: Unit Testing React and E2E Testing (Udemy.com)

Prepare for React unit testing with Jest and Testing E2E with Cypress. Learn React testing skills and concepts.

Created by: Oleksandr Kocherhin

Last updated February 2026

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What you will learn

  • Be very well prepared for any React testing you will have
  • Excel in a wide variety of React testing possibilities
  • Strengthen you React testing skills and your knowledge of important testing concepts
  • Learn the skills, concepts, and techniques of testing
  • Feel very confident in testing React projects

How it compares

Against the other 815 rated Udemy courses in Web Development on CourseDuck:

  • Rating4.5 out of 5higher than 51% of them
  • Reviews105#644 of 816 by number of reviews
  • Length3.2 hoursshorter than 77% of them
  • Last updatedFebruary 2026more recently than 75% of them

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Course Description

This course is great preparation for any React testing that you may have coming up. Quality code testing needs a lot amount of knowledge, but the best way to prepare for it is a lot of practice! In this course you will everything that come from real React projects about testing. There are no excersises that nobody asks here. In every video you will learn something useful that you will write every day. We will take a deep dive into the skills, concepts, and techniques that are required to solve each problem.

When you have completed this course you will have mastered React testing on a high level and you will also have learned the concepts, skills, and techniques, like testing with Vitest and Cypress and using things like mocking and spying that are necessary for you to excel in any testing. You will feel very confident testing any React project you will have. On top of all this, you will strengthen your React programming skills and React fundamentals in overall.

Core topics of the course:

  • Unit testing concepts

  • E2E concepts

  • Testing context and hooks

  • Mocking and spying dependencies

  • Testing components

  • Testing Redux

  • Full project unit testing on a real project

  • Cypress testing on a real project

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Instructor Details

Oleksandr Kocherhin

I am a full-stack developer with a passion for learning and teaching what I know. I have been programming for around 10 years and teaching for almost 6 years.

I believe in learning through doing and this philosophy is present in every course that I teach. I love exploring new web & mobile technologies and my courses focus on giving you the edge in our fast-moving industry.

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Reviews

4.5

105 ratings on Udemy

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By Nadia Paola Ferro Gallegos on 3/20/2026

El profesor es bastante bueno explicando y me ayudo a aprender en poco tiempo algo completamente nuevo para mi.

By Federico Lacabaratz on 11/30/2025

I really liked it. A couple of things when showing examples, most of all related to installing cypress in macOS environments were a bit difficult on my side to solve out but I managed to get on with it. Happy with the course in general.

By David Rangel on 10/17/2025

The teacher has experience, but there may be some opportunity areas in the videos: 1. The are no returns in the components upto class 4 (this may not be important in JS but its important in Typescript). 2. There is a strong recommendation to do the test after the project is finished but the other testing methodologies should be mentioned such as TDD (Test Driven Development) 3. In the class the use of test ids is strongly recommended but in the documentation of vitest it is said that data-testid should be the last option: "data-testid attributes does not resemble how your software is used and should be avoided if possible."

By Jadson dos Santos on 5/16/2025

Muito bom. Os cenários são muito bem explicados, e ele mostra pra que cada função é usada e com exemplos bem fáceis de entender

By Ali Najafi on 2/18/2025

The course packed a lot of information in a short amount of time. That was exactly what I was looking for - no fuss, no additional explanations, just pure content. In addition, the material was very well prepared, and the resources followed the content accurately. I'm very happy to purchase this course as I learned quite a bit about UI testing in a short amount of time.

By Shibin Joseph Babu on 12/2/2024

Clear and easy to understand

By Nedaa Gehad on 10/21/2024

The course is good and offers some valiable information but it is a bit fast-based. Can use some improvement and some more detaied explanations.

By Diego Jose Maria Garcia Ortiz on 8/8/2024

I really liked the course; I already finished it. It has everything you need to start implementing it, and the instructor answered my questions. I recommend it.

By Georgios Salonikidis on 8/7/2024

Fantastic teacher :) Straight to the point without any fuss. In the beginning I only had to get used to his style but after a video I was good to go. I higly recommend this.

By Midhun John Cheriyan on 5/20/2024

I really appreciated the instructor's approach to explaining Unit and E2E Testing. Drawing from his experience, he shared every possible test case scenario, detailed guidance on writing tests, and valuable insights on what to avoid.

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Read all 105 reviews on Udemy

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Quality Score

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Overall Score : 90 / 100