Test-Driven iOS Development with Swift 3

Write testable and maintainable code to develop highly-functional iOS apps

Test-Driven iOS Development with Swift 3

This ebook is included in a Mapt subscription
Dr. Dominik Hauser

6 customer reviews
Write testable and maintainable code to develop highly-functional iOS apps
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Book Details

ISBN 139781787129078
Paperback216 pages

Book Description

Test-driven development (TDD) is a proven way to find software bugs early. Writing tests before your code improves the structure and maintainability of your apps. In combination with the improved syntax of Swift 3, there is no excuse or writing bad code.

This book will help you understand the process of TDD and how it impacts your apps written in Swift. Through a practical, real-world example app, you’ll start seeing how to implement TDD in context. You will begin with an overview of the TDD workflow and then deep dive 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 the view controllers and the helper classes. Next, you’ll learn how to write tests for network code, what CI is and how to set it up using Xcode Server.

Finally, the book will guide you through the next steps to become a testing expert by discussing integration tests, Behavior Driven Development (BDD), open source testing frameworks and UI Tests introduced in Xcode 8.

Table of Contents

Chapter 1: Your First Unit Tests
Building your first automatic unit test
Understanding TDD
TDD in Xcode
The advantages of TDD
The disadvantages of TDD
What to test
Summary
Chapter 2: Planning and Structuring Your Test-Driven iOS App
The task list view
The task detail view
The task input view
The structure of the app
Getting started with Xcode
Setting up useful Xcode behaviors for testing
Summary
Chapter 3: A Test-Driven Data Model
Implementing the ToDoItem struct
Implementing the Location struct
Implementing the ItemManager class
Summary
Chapter 4: A Test-Driven View Controller
Implementing ItemListViewController
Implementing ItemListDataProvider
Implementing DetailViewController
Implementing InputViewController
Summary
Chapter 5: Testing Network Code
Implementing tests using a web service
Implementing a login request
Handling errors
Summary
Chapter 6: Putting It All Together
Connecting parts
Serialization and deserialization
Functional tests
Summary
Chapter 7: Code Coverage and Continuous Integration
Enabling code coverage
Continuous integration
Automatic deployment with fastlane
Summary
Chapter 8: Where to Go from Here
What we have learned so far
Integration tests
UI tests
Behavior-Driven Development
TDD in existing projects
More information about TDD
Summary

What You Will Learn

  • Implement TDD in Swift application development
  • Find bugs before you enter the 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 to maintain
  • Develop functional tests to ensure the app works as planned
  • Employ continuous integration to make testing and deployment easier

Authors

Table of Contents

Chapter 1: Your First Unit Tests
Building your first automatic unit test
Understanding TDD
TDD in Xcode
The advantages of TDD
The disadvantages of TDD
What to test
Summary
Chapter 2: Planning and Structuring Your Test-Driven iOS App
The task list view
The task detail view
The task input view
The structure of the app
Getting started with Xcode
Setting up useful Xcode behaviors for testing
Summary
Chapter 3: A Test-Driven Data Model
Implementing the ToDoItem struct
Implementing the Location struct
Implementing the ItemManager class
Summary
Chapter 4: A Test-Driven View Controller
Implementing ItemListViewController
Implementing ItemListDataProvider
Implementing DetailViewController
Implementing InputViewController
Summary
Chapter 5: Testing Network Code
Implementing tests using a web service
Implementing a login request
Handling errors
Summary
Chapter 6: Putting It All Together
Connecting parts
Serialization and deserialization
Functional tests
Summary
Chapter 7: Code Coverage and Continuous Integration
Enabling code coverage
Continuous integration
Automatic deployment with fastlane
Summary
Chapter 8: Where to Go from Here
What we have learned so far
Integration tests
UI tests
Behavior-Driven Development
TDD in existing projects
More information about TDD
Summary

Book Details

ISBN 139781787129078
Paperback216 pages
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