This plan includes
- Limited free courses access
- Play & Pause Course Videos
- Video Recorded Lectures
- Learn on Mobile/PC/Tablet
- Quizzes and Real Projects
- Lifetime Course Certificate
- Email & Chat Support
What you'll learn?
- The principles of TDD
- Know what React Testing Library is and its differences with Enzyme
- Understand how Jest works with React Testing Library
- Query elements with getBy, queryBy, findBy, getAllBy, queryAllBy, findAllBy
- Simulate user interaction with the fireEvent and userEvent API
- Learn about coverage and debugging
- How to mock third party libraries like Axios
- How to use Typescript with a React App
Course Overview
Welcome to testing React components with React Testing Library! In this course, you will learn lots of things. You will learn:
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The principles of Test Driven Development
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Know what is React Testing Library (RTL) and its differences with Enzyme (another popular test framework for React)
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Understand how Create React App (CRA) works.
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Understand how Jest works with RTL
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How to test with RTL and query elements with:
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getBy, queryBy, findBy, getAllBy, queryAllBy, findAllBy
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How to simulate user interaction with the fireEvent API
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How to simulate user interaction with the userEvent API
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Testing components in isolation (unit tests)
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Learn about coverage and debugging
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How to mock 3rd party libraries like Axios and mock a GET request
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Learn about the pitfalls of CRA
You will have all the fundamental tools to test any React component and have that coverage at 100%!
Have fun, and never stop learning!
Pre-requisites
- Be familiarized with React components
Target Audience
- Web developers
- Full stack developers
- Developers interested in TDD
- Frontend developers
Curriculum 21 Lectures 02:38:47
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Section 1 : Introduction
- Lecture 2 :
- Introduction to RTL
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Section 2 : Create React App
- Lecture 1 :
- Create React App behind the scenes
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Section 3 : Jest
- Lecture 1 :
- Understanding Jest
- Lecture 2 :
- Writing our first test
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Section 4 : React Testing Library
- Lecture 1 :
- Rendering a component with RTL
- Lecture 2 :
- Selecting elements with getByText
- Lecture 3 :
- Selecting elements with getByRole
- Lecture 4 :
- queryBy search variant
- Lecture 5 :
- findBy search variant (part 1)
- Lecture 6 :
- findBy search variant (part 2)
- Lecture 7 :
- findBy search variant (part 3)
- Lecture 8 :
- Querying multiple elements
- Lecture 9 :
- User interaction with the fireEvent function
- Lecture 10 :
- User interaction with the user event API
- Lecture 11 :
- Testing a component in isolation with the user event API
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Section 5 : Coverage and debugging
- Lecture 1 :
- Coverage
- Lecture 2 :
- Debugging
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Section 6 : A more complex example
- Lecture 1 :
- Creating a Pokemon component
- Lecture 2 :
- Testing the Pokemon component
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Section 7 : More custom matchers
- Lecture 1 :
- Jest DOM library from RTL
Our learners work at
Frequently Asked Questions
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How do i access the course after purchase?
It's simple. When you sign up, you'll immediately have unlimited viewing of thousands of expert courses, paths to guide your learning, tools to measure your skills and hands-on resources like exercise files. There’s no limit on what you can learn and you can cancel at any time. -
Are these video based online self-learning courses?
Yes. All of the courses comes with online video based lectures created by certified instructors. Instructors have crafted these courses with a blend of high quality interactive videos, lectures, quizzes & real world projects to give you an indepth knowledge about the topic. -
Can i play & pause the course as per my convenience?
Yes absolutely & thats one of the advantage of self-paced courses. You can anytime pause or resume the course & come back & forth from one lecture to another lecture, play the videos mulitple times & so on. -
How do i contact the instructor for any doubts or questions?
Most of these courses have general questions & answers already covered within the course lectures. However, if you need any further help from the instructor, you can use the inbuilt Chat with Instructor option to send a message to an instructor & they will reply you within 24 hours. You can ask as many questions as you want. -
Do i need a pc to access the course or can i do it on mobile & tablet as well?
Brilliant question? Isn't it? You can access the courses on any device like PC, Mobile, Tablet & even on a smart tv. For mobile & a tablet you can download the Learnfly android or an iOS app. If mobile app is not available in your country, you can access the course directly by visting our website, its fully mobile friendly. -
Do i get any certificate for the courses?
Yes. Once you complete any course on our platform along with provided assessments by the instructor, you will be eligble to get certificate of course completion. -
For how long can i access my course on the platform?
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Is there any free trial?
Currently, we do not offer any free trial. -
Can i cancel anytime?
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