Test-Driven Java Development

Invoke TDD principles for end-to-end application development with Java

Test-Driven Java Development

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Viktor Farcic, Alex Garcia

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Invoke TDD principles for end-to-end application development with Java
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Book Details

ISBN 139781783987429
Paperback284 pages

Book Description

Test-driven development (TDD) is a development approach that relies on a test-first procedure that emphasises writing a test before writing the necessary code, and then refactoring the code to optimize it

The value of performing TDD with Java, one of the most established programming languages, is to improve the productivity of programmers, the maintainability and performance of code, and develop a deeper understanding of the language and how to employ it effectively.

Starting with the basics of TDD and reasons why its adoption is beneficial, this book will take you from the first steps of TDD with Java until you are confident enough to embrace the practice in your day-to-day routine.

You’ll be guided through setting up tools, frameworks, and the environment you need, and will dive right in to hands-on exercises with the goal of mastering one practice, tool, or framework at a time. You’ll learn about the Red-Green-Refactor procedure, how to write unit tests, and how to use them as executable documentation.

With this book you’ll also discover how to design simple and easily maintainable code, work with mocks, utilise behaviour-driven development, refactor old legacy code, and release a half-finished feature to production with feature toggles.

You will finish this book with a deep understanding of the test-driven development methodology and the confidence to apply it to application programming with Java.

Table of Contents

Chapter 1: Why Should I Care for Test-driven Development?
Why TDD?
Testing
Mocking
Executable documentation
No debugging
Summary
Chapter 2: Tools, Frameworks, and Environments
Git
Virtual machines
Build tools
The integrated development environment
Unit testing frameworks
Hamcrest and AssertJ
Code coverage tools
Mocking frameworks
User interface testing
The behavior-driven development
Summary
Chapter 3: Red-Green-Refactor – from Failure through Success until Perfection
Setting up the environment with Gradle and JUnit
The red-green-refactor process
The Tic-Tac-Toe game requirements
Developing Tic-Tac-Toe
Code coverage
More exercises
Summary
Chapter 4: Unit Testing – Focusing on What You Do and Not on What Has Been Done
Unit testing
Unit testing with TDD
TestNG
Remote controlled ship requirements
Developing the remote-controlled ship
Summary
Chapter 5: Design – If It's Not Testable, It's Not Designed Well
Why should we care about design?
Connect4
Test the last implementation of Connect4
The TDD implementation of Connect4
Summary
Chapter 6: Mocking – Removing External Dependencies
Mocking
Mockito
The Tic-Tac-Toe v2 requirements
Developing Tic-Tac-Toe v2
Integration tests
Summary
Chapter 7: BDD – Working Together with the Whole Team
Different specifications
Behavior-driven development
The Books Store BDD story
JBehave
Summary
Chapter 8: Refactoring Legacy Code – Making it Young Again
Legacy code
The Kata exercise
Summary
Chapter 9: Feature Toggles – Deploying Partially Done Features to Production
Continuous Integration, Delivery, and Deployment
Feature Toggles
A Feature Toggle example
Summary
Chapter 10: Putting It All Together
TDD in a nutshell
Best practices
This is just the beginning
This does not have to be the end

What You Will Learn

  • Explore the tools and frameworks required for effective TDD development
  • Perform the Red-Green-Refactor process efficiently, the pillar around which all other TDD procedures are based
  • Master effective unit testing in isolation from the rest of your code
  • Design simple and easily maintainable codes by implementing different techniques
  • Use mocking frameworks and techniques to easily write and quickly execute tests
  • Develop an application to implement behaviour-driven development in conjunction with unit testing
  • Enable and disable features using Feature Toggles

Authors

Table of Contents

Chapter 1: Why Should I Care for Test-driven Development?
Why TDD?
Testing
Mocking
Executable documentation
No debugging
Summary
Chapter 2: Tools, Frameworks, and Environments
Git
Virtual machines
Build tools
The integrated development environment
Unit testing frameworks
Hamcrest and AssertJ
Code coverage tools
Mocking frameworks
User interface testing
The behavior-driven development
Summary
Chapter 3: Red-Green-Refactor – from Failure through Success until Perfection
Setting up the environment with Gradle and JUnit
The red-green-refactor process
The Tic-Tac-Toe game requirements
Developing Tic-Tac-Toe
Code coverage
More exercises
Summary
Chapter 4: Unit Testing – Focusing on What You Do and Not on What Has Been Done
Unit testing
Unit testing with TDD
TestNG
Remote controlled ship requirements
Developing the remote-controlled ship
Summary
Chapter 5: Design – If It's Not Testable, It's Not Designed Well
Why should we care about design?
Connect4
Test the last implementation of Connect4
The TDD implementation of Connect4
Summary
Chapter 6: Mocking – Removing External Dependencies
Mocking
Mockito
The Tic-Tac-Toe v2 requirements
Developing Tic-Tac-Toe v2
Integration tests
Summary
Chapter 7: BDD – Working Together with the Whole Team
Different specifications
Behavior-driven development
The Books Store BDD story
JBehave
Summary
Chapter 8: Refactoring Legacy Code – Making it Young Again
Legacy code
The Kata exercise
Summary
Chapter 9: Feature Toggles – Deploying Partially Done Features to Production
Continuous Integration, Delivery, and Deployment
Feature Toggles
A Feature Toggle example
Summary
Chapter 10: Putting It All Together
TDD in a nutshell
Best practices
This is just the beginning
This does not have to be the end

Book Details

ISBN 139781783987429
Paperback284 pages
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