How to slim down your viewDidLoad() method
You’ve probably seen a bloated viewDidLoad() method that’s doing eight different things such as: Fetch data over the network Display the data in the...
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Advanced Dependency Injection
In my last post, I showed you how to use setter dependency injection to mock an Apple built-in class by: Creating a super simple test double by hand Extracting ...
Book Bundle Pricing
The pricing for my books individually, and as a bundle, have changed. So the following post doesn’t apply anymore. Please refer to The Clean Swift Handboo...
How to mock an Apple built-in class
The MKMapItem class is an Apple built-in class. How do I make sure the openInMaps(launchOptions:) method is being invoked on MKMapItem when I test the displayRo...
MVC doesn’t lend itself well to unit testing
Every beginning iOS developer learns to build their first app using MVC because that’s the way it is taught in guides and tutorials. But as the app evolves out ...