December 2018
Intermediate to advanced
414 pages
10h 19m
English
Content preview from Hands-On Design Patterns with Swift
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Testing an RPN Calculator app
One of the challenges we face when we want to test our apps is to separate the different parts of it in a meaningful way. In general, we want to separate the UI from the rest of the app, and it would be better to test all the business logic, leaving a few high-level integration tests to cover the connection between the UI and the rest of the app. In this section, we'll see how to do this separation, and how to grow a functionality driven by tests. However, before proceeding with the code, we must define how to do it using automatic tests, with TDD.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.