Step by Step Walkthrough of iOS Test Driven Development in Swift
The following is an excerpt from my book Effective Unit Testing. It walks you through the TDD process in great details. Test Driven Development, or TDD, means y...
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How do you mock a singleton class
This is a question that came up in my mentorship program Slack team. I think it’s worth a blog post. I’m trying to set up some tests according to the temp...
Synchronous Operations
Do you know the original iPhone was released a little more than 10 years ago? Back in the days, apps were simple. Remember a fart app could generate millions of...
Pass data backward more elegantly without using delegation
If your iOS app consists of more than one screen, you’ll almost certainly have to pass data from one screen to another. MVC or not, this is easy to do whe...
How to test your viewDidLoad() method
Even if you’ve been an iOS developer for one single day, you must’ve come across the situation where you need to do something when the viewDidLoad()...