Writing reactive apps with RxSwift is a conceptually different task than writing apps “the regular way.” It’s different in the sense that things in your app won’t usually have a singular value but are, instead, represented as a stream of values over the axis of time, known within the RxSwift library as an Observable. This tutorial teaches you the key to testing RxSwift code. Streams are a powerful
![Testing Your RxSwift Code | raywenderlich.com](https://cdn-ak-scissors.b.st-hatena.com/image/square/a08983a964596a66e8a57b12eafacc1c1ca75eb8/height=288;version=1;width=512/https%3A%2F%2Fkoenig-media.raywenderlich.com%2Fuploads%2F2018%2F09%2FTestingRxSwift-twitter.png)