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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
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
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Index
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Index

Chapter 7. Code Coverage and Continuous Integration

We now have about 80 tests and the code that makes tests pass. But do the tests really test all the code? Using TDD, the code coverage of our tests should be quite high. Should.

Instead of guessing, we would rather have numbers that tell us how good the code coverage of our tests really is. Before Xcode 7, it was quite difficult to measure the coverage of a test suite. But with version 7, Apple added this feature to Xcode.

In this chapter, we will measure the code coverage of our tests, and we will take a look how we can use Xcode Server and fastlane to automate everyday tasks in our lives as iOS developers. The chapter is structured like this:

  • Enabling code coverage
  • Continuous integration
  • Automatic deployment with fastlane
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Tech Concepts
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Programming languages
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Test-Driven iOS Development with Swift
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