In this video, I teach you how to write unit tests in Swift 5 using Xcode 12. The best reason to use a test is to protect your future self from making mistakes and creating a mess by breaking a function. A test will help make sure that your function always outputs the right information.
Here are the GitHub links as promised:
Here are the time stamps for the video.
0:00 - Intro 1:40 - How to Add Tests to an Existing App 3:47 - How to Write a Unit Test in Swift 10:18 - What are the different XCTAssert functions? 12:49 - How to Structure a Unit Test in Swift 13:37 - Outro