So there I am, happily writing unit tests, and suddenly this appears I keep seeing this error while trying to write Angular tests. I… *think* this happens when something goes wrong during the constructor of a component. I’ve written before about how it could be due to an @Input property not being initialized properly. But, … [Read more…]
In a previous post I talked about how to use Observable.throw to simulate an Observable error in a unit test. However, in RxJS 6, the syntax changed a bit. I also talked about this a bit in this post about using of to create Observables on the fly for testing in RxJS 6, but I … [Read more…]
Recently I was trying to write a unit test testing to see if one object was equal to another. The objects themselves were simple, just a collection of built-in types, so it should be easy to test. .Equals However, since I didn’t implement .Equals, C# doesn’t natively know how to check if the objects are … [Read more…]