Test-Driven iOS Development with Swift 4: Write Swift code that is maintainable, flexible, and easily extensible, 3rd Edition

Key Features

A practical guide to writing effective, organized, and clean code that works well
Learn test-driven principles to help you build better-designed apps with fewer bugs
A comprehensive overview of the techniques available for TDD in Swift

Test-driven development (TDD) is a proven way to find software bugs early. Writing tests before you code improves the structure and maintainability of your apps. Using TDD, in combination with Swift 4's improved syntax, means there is no longer any excuse for writing bad code.

This book will help you understand the process of TDD and how to apply it to your apps written in Swift.

Through practical, real-world examples, you'll learn how to implement TDD in context. You will begin with an overview of the TDD workflow and then delve into unit-testing concepts and code cycles.

You will also plan and structure your test-driven iOS app, and write tests to drive the development of view controllers and helper classes. Next, you'll learn how to write tests for network code and explore how the test-driven approach-in combination with stubs-helps you write network code even before the backend component is finished.

Finally, the book will guide you through the next steps to becoming a testing expert by discussing integration tests, Behavior Driven Development (BDD), open source testing frameworks, and UI Tests (introduced in Xcode 9).

What you will learn

Implement TDD in Swift application development
Find bugs before you enter code using the TDD approach
Use TDD to build models, view controllers, and views
Test network code with asynchronous tests and stubs
Write code that is a joy to read and maintain
Develop functional tests to ensure the app works as planned