Название: Testing jаvascript with Jest: A Practical Guide to testing vanilla jаvascript
Автор: Santosh Singh
Издательство: Amazon.com Services LLC
Год: 2021
Язык: английский
Формат: pdf, azw3, epub
Размер: 10.1 MB

If you want to excel in writing the Jest testing framework this book is for you. This book has a lot of real-world example of jest testing.

The most general challenge for many developers' day to day life is ensuring the support of, and assuring the reach of, their product. With the ever-increasing number of mainstream web browsers, this is becoming a more difficult task for jаvascript coders. From the beginning, Testing jаvascript with Jest will show you how to reduce the time you spend testing, and automate and ensure efficiency in guaranteeing your success.

Testing jаvascript with Jest will introduce and help you master the art of efficiently performing and automating jаvascript Unit tests for your web applications. Using the most popular jаvascript unit testing frameworks, you will develop, integrate, and automate all the tests you need to ensure the widest reach and success of your web application. Covering the most popular jаvascript Unit testing frameworks of today, Testing jаvascript with Jest is your bible to ensuring the functionality and success of all of your jаvascript and Ajax Web Applications.

There is a lot of testing tools available for jаvascript. We can select test tools as you require. In this book, I am covering the Jest framework.

- Test Environment （Mocha, Jasmine, Jest, Karma）
- Test structure (Mocha, Jasmine, Jest, Cucumber）
- Assertion (Chai, Jasmine, Jest, Unexpected）
- Creation, display, and watch test result（Mocha, Jasmine, Jest, Karma）

Starting with Jest, you will also learn about, and use, how to write a unit test, how to mock external dependencies, code coverage and, integrate them into your projects and use them together to generate reports.