Why do you need prototype testing?

Why do you need prototype testing?

By : user3861591
Date : November 20 2020, 07:00 PM
it helps some times A prototype is a playground, if you will. You can test things out, throw them away if they don't work out; iteratively find out how things might work with real users, etc.
Prototypes test specific aspects that are unclear or not yet fully determined and as such are easier to implement on their own than trying to figure out how to integrate something you don't quite know yet into a complete system. This also means that it doesn't hurt too much when throwing them away.
code :

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Testing Prototype custom events with Jasmine

Testing Prototype custom events with Jasmine

By : Lại Hữu Toàn
Date : March 29 2020, 07:55 AM
Any of those help I'm posting this for those that still use PrototypeJS and want to test custom events using jasmine and jasmine-prototype plugin. , The simplest way is to mock the fire function like this:
code :
 describe("Trigger Bombs", function() {


   it("should raise the custom event", function(){
      var element=$$('a.trigger_bomb').first();
        spyOn(element, 'fire')
        expect(element.fire).toHaveBeenCalledWith('bomb:explode', {})
// spec/helpers/spec_helper.js

    // stop all clicks from fixtures 
    // (but allow clicks from the user in the jasmine result page)
    document.observe('click', function(e){
        var element = e.findElement('#HTMLReporter')
        if (element == document)   {
Is there any way to instantiate a prototype UITableViewCell from a storyboard for testing?

Is there any way to instantiate a prototype UITableViewCell from a storyboard for testing?

By : Geonum
Date : March 29 2020, 07:55 AM
this one helps. You can't.
The only way to test it is to instantiate the storyboard, then the view controller, then the cell itself, and then test the properties you set in the Interface Builder.
Testing a private prototype method in JS

Testing a private prototype method in JS

By : user2226248
Date : March 29 2020, 07:55 AM
will be helpful for those in need The last time I faced something similar, I had to specifically expose private stuff, as odd as that sounds:
code :
function Restaurant() {

Restaurant.prototype = (function() {
    var private_stuff = function() {
    // Private code here

    var internalMethods = {};
    if (window.exposeInteralMethods) {
      internalMethods = {
        private_stuff: private_stuff

    return {   
        internalMethods: internalMethods,
        use_restroom:function() {

Testing Number.prototype with Mocha

Testing Number.prototype with Mocha

By : Kharim Gio
Date : March 29 2020, 07:55 AM
To fix this issue Let's say I have a function on Javascript's Number prototype as follows: , Your function is called adder, so you should do
code :
Angular Karma testing prototype function

Angular Karma testing prototype function

By : user78627
Date : March 29 2020, 07:55 AM
wish of those help When you are running a test, the app.module isn't implicitly imported, so the code where you extend the prototype is not being ran.
So you either
code :
beforeEach(() => {
    // just paste the prototype extending code here, something like the following
    AbstractControl.prototype.myFunction = () => {
        // ...

    // or even better, if you extracted the function above to somewhere
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