Marmelab/gremlins.js. Performance testing and measuring the page load time of web aplications using PhantomJS and Google charts. Performance testing the page load time of a web application can be a little tricky but pretty useful for simulating what the user experience of your customers.
The following solution uses the PhantomJS headless browser for measuring the needed timing information, Google charts for visualizing the results. The solution can also be used pretty much as it in the continuous integration environment based on Jenkins or any other system. For what can I use this solution ? Page load time testingsize and number of resources retrieved for URL callload time for each resource The solution described below is composed of the following scripts and executables: 1.
Steps to make the solution work for you (Linux OS as this is what I have , similar on MacOS or Windows). 1. Browse to a terminal window and issue wait for PhantomJS to be downloaded and issue the command “ “now PhantomJS is installed 2. 3. 4. Nightwatch.js. Mocking Requests with Mocha, Chai and Sinon. After a bit of a rocky start yesterday I’ve finally got Mocha and Chai running in the browser which is great.
Today I’d like to test out some of the async functionality of Mocha. This seems to be the big selling point for most people so we’ll kick the tires a bit. Testing Handlebars With Mocha - No F*cking Idea. Mocha and Handlebars are two great things i use.
The first article presents a basic sample application containing several common anti-patterns and their solutions.In the second article, the application will be refactored using the described techniques, a simple XHR mock will be presented, and add a test suite will be added to help future developers maintain the code. Front end development comes with a set of challenges that are rarely discussed in articles about unit testing. Self initialization, encapsulated logic, DOM event handlers, XHR requests, and nested callbacks all make testing difficult.