Testing JavaScript with Jest

If you want to learn how to develop javascript tests with Jest, this book is for you. In this book, you'll find real-world examples of jest testing, such as testing JQuery event/selector, localStorage, IntersectionObserver, timer, and more. Who this book is for This book is meant for automation testing professionals, software and web testers, and frontend web developers with intermediate-level JavaScript and beginner-level test automation skills. If you're a jasmine/mocha tester seeking to switch to Jest and take advantage of its features, this is an excellent resource. It is essential to have an intermediate understanding of JavaScript programming and a basic comprehension of web testing. Table of Contents Every Software Engineer Needs to Know Type of Testing Methodologies How to develop testable javascript code Javascript Design Patterns How to Setup Jest How to structure your test code jest Basics Testing asynchronous javascript functions with JestMock and SpyMock Functions Matchers Jest Tips and Tricks Code Coverage Configuring Jest Code Coverage Jest.

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How to mock JQuery event using JEST
How to mock window property using JEST
How to mock Javascript Event using JEST
How to mock JQuery selector using JEST
How to mock a third-party library using JEST
How to mock javascript setInterval and setTimeout using Jest
How to mock/test IntersectionObserver using JEST
How to write a unit test for HTML 5 WebComponent using Jest
How to test Jquery ajaxTips
Mock XMLHttpRequestTips

any many more..

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