Create advanced and efficient CasperJS tests for your web development projectsAbout This BookLearn something new in an Instant! A short, fast, focused guide delivering immediate results Learn how to practice efficient and solid web page testing using CasperJS A hands-on guide with step-by-step instructions for running CasperJS tests on Travis-CI and Jenkins Covers a large set of standard and advanced use casesWho This Book Is ForThis book will be extremely useful for web developers who are new to testing or who want to move from another testing solution to CasperJS. It is assumed that you are familiar with web development and have a good knowledge of JavaScript.What You Will LearnInstall CasperJS properly on different platforms Discover the basic syntax of CasperJS scripts Master timing in JavaScript testing Record a live web sequence as a CasperJS script Run CasperJS on continuous integration tools like Travis-CI or JenkinsIn DetailProfessional web development implies systematic testing. While JavaScript unit tests will validate your JavaScript library's quality, web functional testing is the only way to guarantee the expected behavior of your web pages. CasperJS is a fast and simple JavaScript testing API that can run on any platform, and it is currently one of the best and easiest ways to write your functional tests.Instant Testing with CasperJS will teach you how to write efficient and accurate tests for your professional web developments. This practical guide explains the various different CasperJS principles through clear and detailed examples, covering a large set of common use cases. This book will progressively cover everything you need to know from CasperJS basic principles to the most advanced testing practices.This book starts off by introducing you to the different testing assertions that you can perform with the CasperJS API. We will then move on to cover why bad timing between event triggering can ruin tests and learn strategies to avoid it. Finally, you will learn how to test efficient and complex web interactions like drag and drop, authentication, and file uploading. With Instant Testing with CasperJS, you will be able to set up an advanced and functional test suite for your web development projects quickly and efficiently.