Test-Driven Java Development - Second Edition: Invoke TDD principles for end-to-end application development

This book will teach the concepts of test driven development in Java so you can build clean, maintainable and robust code

Key Features

Explore the most popular TDD tools and frameworks and become more proficient in building applications

Create applications with better code design, fewer bugs, and higher test coverage, enabling you to get them to market quickly

Implement test-driven programming methods into your development workflows

Book Description

Test-driven development (TDD) is a development approach that relies on a test-first procedure that emphasizes 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 longest established programming languages, is to improve the productivity of programmers and 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 understanding 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 we will dive right into 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, utilize behavior-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.

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 code by implementing different techniques

Use mocking frameworks and techniques to easily write and quickly execute tests

Develop an application to implement behavior-driven development in conjunction with unit testing

Enable and disable features using feature toggles

Who This Book Is For

If you're an experienced Java developer and want to implement more effective methods of programming systems and applications, then this book is for you.

Table of Contents

Why Should I Care for Test-Driven Development?

Tools, Frameworks, and Environments

Red-Green-Refactor - From Failure Through Success until Perfection

Unit Testing - Focusing on What You Do and Not on What Has Been Done

Design - If It's Not Testable, It's Not Designed Well

Mocking - Removing External Dependencies

TDD and Functional Programming - A Perfect Match

BDD - Working Together with the Whole Team

Refactoring Legacy Code - Making It Young Again

Feature Toggles - Deploying Partially Done Features to Production

Putting It All Together

Leverage TDD by Implementing Continuous Delivery

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