Backbone.js Testing by Ryan Roemer

By Ryan Roemer

If you dread the enterprise of checking out JavaScript and Backbone.js net functions, this publication is your parent angel. In effortless phases and plenty of examples it takes you thru the full trying out state of affairs, introducing you to most sensible perform and present techniques.


  • Create entire try out infrastructures
  • Understand and make the most of sleek frontend trying out recommendations and libraries
  • Use mocks, spies, and fakes to without problems try out and notice complicated Backbone.js software behavior
  • Automate exams to run from the command line, shell, or virtually anywhere

In Detail

Frontend internet purposes are hovering in recognition and the Backbone.js library is top this cost with a modular, light-weight procedure for organizing JavaScript net functions. whilst, trying out client-side JavaScript and Backbone.js courses continues to be a tough and tedious undertaking.

Backbone.js checking out brings brilliant practices and present options to the demanding situations of Backbone.js try out improvement. The ebook introduces basic trying out suggestions, finished try out infrastructure layout, and functional workouts to simply and systematically try out sleek JavaScript net applications.

The ebook progresses from Mocha attempt suites and Chai assertions to complicated try out mocks and stubs with Sinon.JS. The considered necessary libraries and utilities are brought with in-depth examples and most sensible practices for integration together with your functions. The ebook publications you thru the attempt making plans and implementation tactics to your software types, perspectives, routers, and different Backbone.js components.

Backbone.js checking out grants the instruments, examples, and information to check your Backbone.js internet purposes completely, quick, and with confidence.

What you'll examine from this book

  • Install and arrange a try out infrastructure for spine applications
  • Run, study, and comprehend Mocha attempt reports
  • Tour the Chai statement library API with targeted examples
  • Write try out suites and specifications with the Mocha try out framework
  • Fake software habit in assessments utilizing Sinon.JS mocks, spies, and faux servers


This booklet is filled with step by step tutorials and directions in recipe structure that can assist you create try infrastructures and steadily strengthen your Backbone.js software improvement and checking out skills.

Who this publication is written for

If you're a JavaScript developer trying to create and enforce attempt help in your Backbone.js functions, then this booklet is perfect for you.

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Additional resources for Backbone.js Testing

Example text

Equal("bar"); // Let's get literary. an("object"); • deep: This sets the deep flag for equality checks. A raw equality check performs an identity test, which asserts that the two variables are the same object in the process memory. With the deep flag, Chai instead asserts that the two variables have the same property values, even if they are different underlying objects. deep. equal({foo: "bar"}) succeeds. Finally, most other Chai BDD assertion statements are chainable. match(/f[o]{2}/); With these basic language chains and helpers, we have a foundation for writing readable assertion statements.

Js application as the target of our test framework and learn how to test, isolate, and verify program behavior throughout the course of application development. js application and mapping out a test development strategy. js application development. js provides abstractions and useful functionality for architecting and developing JavaScript web applications. js brings order to the chaotic interactions between program and display logic, DOM events, and backend communication. js does not completely follow a traditional MVC approach, causing some observers to call it an MV* framework.

Js example application file, we'll create the two namespace object literals with class/application properties: // Class names. Templates = {}); // Application instance. var app = app || {}; The behavior that we want to test of these helper objects is if they contain the correct properties that other application components will rely upon. js test file just needs a few specs to cover these objects. The first spec provides the 'App' object asserts that App is a JavaScript object with properties for all of the different grouping names (Models, Views, and so on) that we have attached: describe('Namespace', function () { it("provides the 'App' object", function () { // Expect exists and is an object.

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