JavaScript Controls

http://jsperf.com/testing-foreach-vs-for-loop It was my understanding that Test Case 2 should run m… Read more Array.foreach Running Faster Than Native Iteration? How?

Ive got an assignment and am a bit stuck. Need to match an input string to the values in a constant… Read more Test If Input Values Match Constant Value

Is there any framework in javascript similar to dojo DOH? I am looking for testing framework which … Read more Javascript Testing Framework Similar To Dojo Doh

so long story short I'm developing RESTapi that takes a movie title on POST request to the /mov… Read more Randomly Failing Tests Jest And Supertest Node.js

How to block requests from a certain URL using JavaScript? For example, the manual way to do so on … Read more Request Blocking Using Javascript?

In Jasmine, there are toBeGreaterThan and toBeLessThan matchers. What if I want to check an integer… Read more Checking Two Boundaries With Jasmine (between Matcher)

How do I test a custom module which is simply running a node-fluent-ffmpeg command with Mocha&C… Read more How To Test A Custom Module Running Node-fluent-ffmpeg (an Async Module)?

I injected jQuery to CasperJS: phantom.injectJs('./utils/jquery/jquery-2.1.4.js'); but wh… Read more Casperjs Doesn't Evaluate Jquery Method

I am trying to press enter on one of the input boxes. Doing it manually triggers the event listener… Read more Enzyme Wrapper.find(..).simulate Keypress Doesnt Trigger Event Listener

I need to spy on Date.toISOString() and return a value. const spy = jest.spyOn(global, Date); spies… Read more Jest: Spy On Object Method?

So, I'm attempting to do something which on the surface should be very simple... I have some co… Read more Jest - Mock A Constant Property From A Module For A Specific Test

I'm writing a node wrapper to interact with an external api and am having a difficult time test… Read more Mocha Tests For Asynchronous Functions

Im having some issues to understand testing, since I almost never find it neccessary. If I have sim… Read more How To Test Simple Boolean Functions?

I need to E2E test my AngularJS Application an Protractor seems like the right way to do it. Setup … Read more Using Protractor With Phantomjs

One of our internal applications (written in angularjs) has a special error box appearing if javasc… Read more Selenium Webdriver Tests With Javascript Disabled

It is written in documentation that it is possible to do things like file upload using intern. Can … Read more File Upload In Intern.js

I'm new in API testing with JavaScript. I've found many solution for testing REST APIs, but… Read more What's The Best Way To Test Express.js Api

Here is the function I am trying to test: index.js: import ThirdParty from 'third-party'; … Read more How Do I Call A Resolve In The Callback Of A Mocked Function?

Ok my setup is as follows: Using node 6.2, es6-promisify, sinon, sinon-as-promised, and babel to tr… Read more Sinon Stub With Es6-promisified Object

I'm trying to write a plugin for Jasmine that allows you to return a promise from a spec and wi… Read more Testing If A Jasmine Test Fails