Learning Behavior-driven Development with JavaScript

Create robust but simple-to-code BDD try out suites in JavaScript utilizing the preferred instruments within the community

About This Book

  • Master the most well-liked checking out instruments within the JavaScript surroundings, comparable to CucumberJS, Mocha, SinonJS, and more.
  • Learn how Behavior-driven improvement can help to put in writing software program that's extra modular and has much less defects.
  • Avoid universal errors in checking out, simplify your try suites, and lead them to extra maintainable utilizing a really pragmatic method of BDD.

Who This e-book Is For

TThis e-book is perfect for any JavaScript developer who's attracted to generating well-tested code. when you have no previous event with trying out, Node.js, or the other device, don't worry, as they are going to be defined from scratch.

What you are going to Learn

  • Understand the fundamental suggestions of BDD and the way it really is diversified from vintage unit testing
  • Divide your approach into assorted modules that may be established individually, yet whilst now not falling into the catch of unit testing
  • Use Mocha, Sinon.JS, and Chai to write down expressive BDD features
  • Implement Cucumber.js to automate exams written in Gherkin in order that your stakeholders can comprehend them
  • Discover how one can try out asynchronous structures, both in accordance with callbacks or promises
  • Test a RESTful internet API and a wealthy UI utilizing WebDriverJS and Protractor
  • Refactor and continue your try out code base maintainable utilizing top practices and styles resembling PageObject

In Detail

JavaScript is not just normal to create appealing person interfaces for the internet, yet with the arrival of Node.js, it's also changing into a truly renowned and robust language to jot down server-side functions. utilizing behavior-driven improvement and a few universal trying out styles and top practices, it is possible for you to to prevent those traps.

This e-book will allow you to do BDD in a pragmatic approach. we'll begin with a simple creation of what BDD is and why the classical method of trying out has failed. Afterwards, we'll dive at once into an creation to Node.js, Mocha, and Sinon.JS. eventually, we'll disguise extra complicated matters equivalent to how one can write a quick and powerful try suite for a RESTful net API, and the way to do a similar with a wealthy UI utilizing Cucumber.js and Protractor.

This e-book provides you with nice perception into tips to architect your process to make it extra testable and modular, yet even as stay away from the nightmare of abusing mock objects.

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He additionally has written a publication in Spanish on designing internet APIs, following the remaining and hypermedia strategy (https://leanpub. com/introduccion_apis_rest). i want to thank my spouse for making this e-book attainable. She is the person who supported me and jogged my memory to "continue writing that tricky bankruptcy" every time i began taking into account doing whatever else. with out her, i'd most likely have by no means accomplished this ebook! concerning the Reviewers Domenico Luciani is a software program and net developer and compulsive coder. he's curious and is hooked on espresso. he's a working laptop or computer technology scholar and a passionate pentester and computer-vision enthusiast. Having fallen in love together with his task, he lives in Italy; presently, he's operating for lots of businesses in his state as a software/web developer. you will discover additional info on him at http://dlion. it/. Mihir Mone is a postgraduate from Monash college, Australia. even though he did his submit commencement in community computing, nowadays, he normally does internet and cellular improvement. After passing some time fiddling round with routers and switches, he speedy made up our minds to construct upon his ardour for net development—not layout, yet improvement. construction net platforms and purposes instead of web pages with all their fancy Flash animations used to be anything that was once very attention-grabbing and inviting to him. He even back to his alma mater to educate net improvement so one can supply again what he had discovered. nowadays, he works for a small software/engineering residence in Melbourne, doing net improvement and prototyping intriguing, new rules within the facts visualization and UX domain names. he's additionally a massive JavaScript fan and has formerly reviewed a number of books on jQuery and JavaScript. he's a Linux fanatic and an important proponent of the OSS stream. He believes that software program must always be loose to actualize its real strength. a real geek at center, he spends a few of his relaxation time writing code within the desire that it can be necessary to the loads. you will find additional information on him at http://mihirmone. apphb. com. he's additionally a motorsport junkie, so that you may possibly locate him loitering round the race tracks now and then (especially if formulation 1 is involved). Takeharu Oshida works at a small start-up, Mobilus (http://mobilus. co. jp/). Mobilus offers a real-time conversation platform and SDK referred to as Konnect. As a JavaScript engineer, he designs APIs, writes code and checks, prompts EC2 cases, and deploys code. In different phrases, he's inquisitive about every little thing, from frontend to backend. he's additionally a member of the Xitrum internet framework undertaking (http://xitrumframework. github. io/). during this venture, he's studying the sensible programming sort of Scala through developing pattern purposes or translating files. i would like to thank to my colleague, Ngoc Dao, who brought this publication to me. Juri Strumpflohner is a passionate developer who likes to code, stick with the most recent developments on net improvement, and percentage his findings with others. He has been operating as a coding architect for an e-government corporation, the place he's answerable for training builders, innovating, and with the intention that the software program meets the specified caliber.

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