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  • Book Overview & Buying Test-Driven iOS Development with Swift
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Test-Driven iOS Development with Swift

Test-Driven iOS Development with Swift

By : Dr. Dominik Hauser
4.2 (10)
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Test-Driven iOS Development with Swift

Test-Driven iOS Development with Swift

4.2 (10)
By: Dr. Dominik Hauser
Buy this Book

Overview of this book

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 app. Test-Driven iOS Development with Swift will help you understand the process of TDD and how it impacts your applications written in Swift. Through practical, real-world examples, you’ll start seeing how to implement TDD in context. We will begin with an overview of your TDD workflow and then deep-dive into unit testing concepts and code cycles. We will showcase the workings of functional tests, which will help you improve the user interface. Finally, you will learn about automating deployments and continuous integration to run an environment.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Your First Unit Tests
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1. Your First Unit Tests
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Building your first automatic unit test
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Understanding TDD
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TDD in Xcode
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Advantages of TDD
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Disadvantages of TDD
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What to test
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Summary
2
2. Planning and Structuring Your Test-Driven iOS App
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2. Planning and Structuring Your Test-Driven iOS App
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Task list view
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Task detail view
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Task input view
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Structure of the app
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Getting started with Xcode
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Setting useful Xcode behaviors for testing
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Summary
3
3. A Test-Driven Data Model
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3. A Test-Driven Data Model
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Implementing the ToDoItem struct
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Implementing the Location struct
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Implementing the ItemManager class
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Summary
4
4. A Test-Driven View Controller
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4. A Test-Driven View Controller
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Implementing ItemListViewController
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Implementing ItemListDataProvider
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Implementing DetailViewController
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Implementing InputViewController
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Summary
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5. Testing Network Code
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5. Testing Network Code
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Implementing asynchronous tests
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Implementing a login request to a web service
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Handling errors
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Summary
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6. Putting It All Together
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6. Putting It All Together
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Connecting parts
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Serialization and deserialization
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Functional tests
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Summary
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7. Code Coverage and Continuous Integration
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7. Code Coverage and Continuous Integration
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Enabling code coverage
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Continuous integration
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Automatic deployment with fastlane
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Summary
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8. Where to Go from Here
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8. Where to Go from Here
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What we have learned so far
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Integration tests
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UI tests
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Behavior-Driven Development
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TDD in existing projects
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More information about TDD
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Summary
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Index
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Index

Summary

In this chapter, we took a look at how to implement the model layer of our app using TDD. We followed the TDD workflow (red, green, and refactor) to guide the implementation of the required micro features.

We implemented two model structs and a manager class. We added conformance to the Equatable protocol for the model structs in order to make sure that the same to-do item cannot be added to the list more than once. We also encapsulated the internals of the manager class with methods to add, receive, and remove to-do items from the manager.

TDD lead us to a clean, simple, and fully tested model.

In the next chapter, we will implement the controller layer and the view layer of the Model-View-Controller design pattern using TDD.

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Test-Driven iOS Development with Swift
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