Everyone wants robust, bug-free apps. But constantly, manually going through use cases every time something changes in your code is an efficient method of ensuring you have a reliable application. That's where UI and unit testing comes in. In this course, Swift iOS UI and Unit Testing, you'll learn how to create UI and unit tests for Swift iOS apps. First, you'll discover how to set up UI and unit tests in your project. Next, you'll explore how to modify the UI and unit tests. Then, you'll identify what areas to test. Finally, you'll learn how to unit test the UI through ViewController methods. By the end of this course, you'll understand when to use UI vs. unit tests and how to create each.