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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)
Buy this Book
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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
5
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
7
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
9
Index
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Index

Implementing DetailViewController

We start the implementation of DetailViewController with the creation of a test case. Select the ToDoTests group in Project Navigator, and go to iOS | Source | Unit Test Case Class. Let's name it DetailViewControllerTests, and select the Controller folder as the destination location. Import the @testable import ToDo main module and delete the two template test methods.

Going by the screenshots we've seen in Chapter 2, Planning and Structuring Your Test-Driven iOS App, we know that DetailViewController needs a map view, four labels, and a button. Here, we will only show the TDD process for one label and the button. Add the following code to DetailViewControllerTests:

func test_HasTitleLabel() {
    let storyboard = UIStoryboard(name: "Main",
        bundle: nil)
    let sut = storyboard.instantiateViewControllerWithIdentifier(
        "DetailViewController") as! DetailViewController
}

At this point, we have to stop writing the...

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Test-Driven iOS Development with Swift
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