Every now and again I find it necessary to set up the request body manually (as opposed to using the [FromBody] tag). In the controller you can read from the request body easily enough: via GIPHY Testing How do you test this? Normally I would just create a controller, call the method, and check the … [Read more…]
In the last post I talked about streaming data back via a WebAPI. On the front end, I had a “download” button that I wanted to disable until the download is complete, so that users don’t inadvertently spam the server with download requests. When the button is clicked, an iframe is opened to the WebAPI … [Read more…]
So I built a service that collects information, say, log information, and sends it down to a client. This information is normally streamed right to a web browser via SignalR, but sometimes there is a lot of it, and scrolling through it on the web view can be quite a pain. It would be nice … [Read more…]
Last week I wrote about how to upload a file from a website using Angular and .NET Core. Writing tests for this is mostly straightforward, but there’s a few gotchas that I thought I would write down for the next time I need to do this. The front end tests are pretty trivial – you … [Read more…]
Uploading a file from a website is pretty simple, but I always have to look it up. There’s all sorts of different technologies and frameworks that work with the web, so I just thought I would write down how I got it to work so that next time I can just come back here and … [Read more…]
Recently my team upgraded to .NET Core 2.2. We have an API that needs to be accessed from an Angular project living in a different domain, so we had CORS enabled this way: Disclaimer: this is an intranet application – so it is only accessible inside of a corporate firewall, making it more acceptable to … [Read more…]
HttpClient is the preferred way to make http calls from an Angular app. It is simple and straightforward to use, returning an Observable<T>. All you have to do is subscribe and the callback will be invoked when the data comes back from the server. via GIPHY But what about error handling? In a perfect world, … [Read more…]
There’s several tutorials for how to use and test HttpClient, but I wanted to distill it down to a simple snippet that I can refer back to when I inevitably forget how to do it. via GIPHY HttpTestingController This handy thing is provided by importing the HttpClientTestingModule in to your TestBed. It lets you manipulate … [Read more…]
Enums are useful because they help you avoid magic numbers. You can write your code in a way that is easy to read and understand from the human’s perspective, which, at the end of the day, is pretty important. Exposing enums on your Web API I want to share my enums with other things, notably … [Read more…]
In the last post I talked about using and extending IActionResult to return your preferred HttpStatus code in your ASP.NET MVC controllers. But how do you write unit tests that make sure that you’re returning what you expect? Your controllers will return one of these: IActionResult There’s nothing on this interface that you can easily … [Read more…]