I am trying to test the specifics of a rejected Promise, using Chai-as-Promised, Mocha, and the "should" dialect. Promises are implemented by bluebird.  This works fine:  it('it should be rejected when given bad credentials', function...

I'm new to TDD and working with Mocha and Chai. I have created a test that passes when a value is increased, but when that increase is put within a setInterval, it fails. The objective of this code is to have something move across the screen.  fu...

Is there a way in Mocha to test if a function calls a specific method or external function?  I am using Mocha with Chai, but am open to any other assertion libraries.    Ok, so testing whether a methid is being called is pretty easy using sinon. I...

This question already has answers here:...

I’m trying to setup some JS Unit tests using Mocha, and Ideally, I'd like to run this via the command line oppose to a web page.  (TL:DR; at the bottom)  First I did some bullshit test to confirm that Array worked as expected which I pulled dir...

I'm getting the exact error as found here: (window.beforeEach || window.setup) is not a function. However the fix did not work, the author of the tutorial series here even mentioned the same fix.  Here is the Tuts+ author's fix:   Which is si...

I am trying evaluate whether data returned from a table (table.getData()) which is a 2D array contains another array.  In the console the expected data appears in the 2D array returned from the table.getData() call but the assertion fails.  this.Then...

I'm trying to write a standalone test for this simple middleware function  function onlyInternal (req, res, next) {   if (!ReqHelpers.isInternal(req)) {     return res.status(HttpStatus.FORBIDDEN).send()   }   next() }  // Expose the middleware f...

I need to cover angularJs config file through mocha chai    i tried   it('should load the page.', inject(function ($location, $rootScope, $state, $httpBackend) {     $httpBackend.whenGET('scripts/select-line-module/views/select-line.html&...

How do I test a custom module which is simply running a node-fluent-ffmpeg command with Mocha&Chai?  // segment_splicer.js var config = require('./../config'); var utilities = require('./../utilities'); var ffmpeg = require('f...