Book Image

Mastering iOS 12 Programming - Third Edition

By : Donny Wals
Book Image

Mastering iOS 12 Programming - Third Edition

By: Donny Wals

Overview of this book

The iOS development environment has significantly matured, and with Apple users spending more money in the App Store, there are plenty of development opportunities for professional iOS developers. However, the journey to mastering iOS development and the new features of iOS 12 is not straightforward. This book will help you make that transition smoothly and easily. With the help of Swift 4.2, you’ll not only learn how to program for iOS 12, but also how to write efficient, readable, and maintainable Swift code that maintains industry best practices. Mastering iOS 12 Programming will help you build real-world applications and reflect the real-world development flow. You will also find a mix of thorough background information and practical examples, teaching you how to start implementing your newly gained knowledge. By the end of this book, you will have got to grips with building iOS applications that harness advanced techniques and make best use of the latest and greatest features available in iOS 12.
Table of Contents (35 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Testing the user interface with XCUITest


Knowing that most of your app logic is covered with tests is great. What's not so great, however, is adding your view controllers to your logic test. Luckily, you can use XCUITest to easily record and write tests that focus on the user interface of an app. XCUITest uses the accessibility features in iOS to gain access to the user interface of your app. This means that implementing user interface tests forces you to put at least a little bit of effort into accessibility for your applications. The better your app's accessibility is, the easier it will be to write UI Tests for.

XCUITest has two great features that we'll look at in greater detail. First of all, UI Tests help you to enhance accessibility for your apps. Secondly, it's easy to get started with UI testing because Xcode can record your tests while you navigate through your app. This can significantly benefit the amount of code that is covered by your test suite since Code Coverage also takes...