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

Inhaltsangabe

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

Book Description

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

About the Author

Dr. Dominik Hauser completed his PhD in physics from the University of Heidelberg. While working as a university professor, he started iOS development in his spare time. His first app on physics has been an astounding success worldwide. Since then, he has turned himself into a full-time iOS developer, with a number of successful apps to his name. He has been a Swift developer since day one and runs a blog on iOS development.

Table of Contents

1. Your First Unit Tests
2. Planning and Structuring Your Test Driven iOS App
3. A Test Driven Data Model
4. Test Driven View Controllers
5. Testing Network Code
6. Put It All Together
7. Code Coverage And Continuous Integration
8. Where To Go From Here

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