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

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Tools, Frameworks, and Environments

"We become what we behold. We shape our tools and then our tools shape us."

– Marshall McLuhan

As every soldier knows his weapons, a programmer must be familiar with the development ecosystem and those tools that make programming much easier. Whether you are already using any of these tools at work or home, it is worth taking a look at many of them and comparing their features, advantages, and disadvantages. Let's get an overview of what we can find nowadays about the following topics and construct a small project to get familiar with some of them.

We won't go into the details of those tools and frameworks, since that will be done later on in the following chapters. The goal is to get you up and running, and provide you with a short overview of what they do and how.

The following topics will be covered in this...

Key benefits

• 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

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

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