React Testing Library and Jest: The Complete Guide

Description

This course focuses on testing components in a variety of different environments.  You will begin by writing tests for a small mini-project, just to get some quick initial experience.  From there, you’ll learn about React Testing Library and all of its functionality by building a series of interactive cheatsheets.  You can use these cheatsheets as a future reference to easily remember the intricacies of testing.  Finally, you’ll add tests to a rather large React app, complete with authentication, data fetching, and navigation.

Here’s a partial list of some of the topics you’ll cover:

• Customize your test environment by writing custom Jest matchers
• Learn how to debug your tests by fixing many bugs
• Run tests faster by implementing a fake data-fetching process
• Understand best practices by working on a large React project
• See an exhaustive list of all the functionality packed into React Testing Library
• Enhance your element-selecting powers by using the ARIA Role system
• Get experience testing authentication and routing
• Write more efficient tests by learning dozens of testing shortcuts
• Finally understand the most mysterious function in React – the ‘act’ function!
• Learn multiple ways of handling third-party libraries in a test environment
• Use Jest to ‘mock’ functions and libraries

What you’ll learn

• Everything you need to know about testing React Components using React Testing Library and Jest
• Understand how to simulate user events and data fetching in a test environment
• Verify your components the way your components work – before deploying them!
• Get practical, hands-on experience adding tests to a large React project
• Explore hidden aspects of testing that aren’t covered in any other testing course
• Save time by building your own custom Jest matchers
• Focus on learning why best practices exist – and when to break them!

Who this course is for:

• Software engineers looking to better understand the world of testing

Requirements

• No testing experience is needed!

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