TESTING

Your first UITest in Swift

What a UITest is, why you should write it, and how to do it.

What Is Automated UITest?

When we speak about testing, we usually think about unit testing. However, there is another kind of test that is extremely powerful and useful in the app world: UITests.

The goal of these tests is to verify that your UI is behaving as expected: the buttons are in the correct state, the strings are styled correctly and the navigation happens as we code it.

The body of the test simulates a user that interacts with the UI, causing the app to evolve over time and allowing us to assert some condition that we want to be true during the app execution.

Why doing Automated UITest?

As all the testing activities, writing proper UITests takes time. However, this time will save us many headaches in the future, and it will also save more time than it consumes, in the long run.

Writing automated UITests has numerous benefits, especially in cases where the app is becoming really big and, potentially, hard to maintain. Some of these benefits:

• Prevent the need to test old features. In an agile environment, we are creating new features every…