Modularizing Legacy Projects Using TDD: Test-Driven Development with XCTest for iOS

The book will take you through the journey of modularizing a legacy app using TDD. Throughout this journey, you will be introduced to multiple testingconcepts and techniques, like writing tests for network and core data layers. You will write tests to ensure the thread safety of your app. And you’ll add a new feature while you are in the middle of refactoring, which is an important skill so you can keep adding features while you are fixing your technical debt. By the end of this book, you will have all the tools needed to become a testing master.

What You'll Learn

• Use mocking and dependency injection to make components more testable 
  
• Write tests for asynchronous code like network code 
  
• Add new features to existing legacy apps using TDD
  

Who This Book Is For

Experienced iOS developers who care about software quality and meeting customer expectations.