Paz BiberMoving to single page application with WebAPI and AngularJS

Single Page Application (SPA). Even the acronym sounds so inviting.
If you are developing a web application you’re probably creating a single page application, or at least you have a plan to make your current application a single page app. In CloudShare, we started a few years ago with ASP.NET. It was nice technology, but it lacked separation between view and code.
Then ASP.NET MVC arrived, mitigated this problem and eased handling AJAX calls with MVC controllers. So we moved to ASP.NET MVC. You can create wonderful web pages simply by writing Controllers, Views and defining the correct Model.
You can even give it a “Single Page Flavour” by invoking ajax calls that retrieve data from a server. But there’s still a problem here. Separation between code and HTML is hard (sometimes impossible) on the server side. Did you ever find yourself writing some c# code in the view just because “the product really needs this, so please make a small change to make it work”? Or client side (jQuery… you know what I’m talking about…) (more…)

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David DvoraJasmine Unit Tests – Testing Legacy Pages


When approaching testing client side JavaScript code, you first need to ask yourself – “What are we testing?”

We also tried answering it, when we realized that our client-side architecture was mixing DOM manipulation with application logic. This is not surprising for developers that use jQuery in the old fashioned way, as it seems that jQuery actually encourages that kind of behavior because of its syntax and the simplicity of using it.

So which part do we really want to test? This depends on what’s more important for you to verify in your application. One thing we agreed on: we need to separate the client side code into layers in order to make it testable. One layer will be pure application data logic, and the other one will be a wrapper to the code that actually manipulates the DOM (first one uses the latter).


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