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Test-Driven Development with Java

You're reading from   Test-Driven Development with Java Create higher-quality software by writing tests first with SOLID and hexagonal architecture

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Product type Paperback
Published in Jan 2023
Publisher Packt
ISBN-13 9781803236230
Length 348 pages
Edition 1st Edition
Languages
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Author (1):
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Alan Mellor Alan Mellor
Author Profile Icon Alan Mellor
Alan Mellor
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Table of Contents (21) Chapters Close

Preface 1. Part 1: How We Got to TDD
2. Chapter 1: Building the Case for TDD FREE CHAPTER 3. Chapter 2: Using TDD to Create Good Code 4. Chapter 3: Dispelling Common Myths about TDD 5. Part 2: TDD Techniques
6. Chapter 4: Building an Application Using TDD 7. Chapter 5: Writing Our First Test 8. Chapter 6: Following the Rhythms of TDD 9. Chapter 7: Driving Design – TDD and SOLID 10. Chapter 8: Test Doubles – Stubs and Mocks 11. Chapter 9: Hexagonal Architecture –Decoupling External Systems 12. Chapter 10: FIRST Tests and the Test Pyramid 13. Chapter 11: Exploring TDD with Quality Assurance 14. Chapter 12: Test First, Test Later, Test Never 15. Part 3: Real-World TDD
16. Chapter 13: Driving the Domain Layer 17. Chapter 14: Driving the Database Layer 18. Chapter 15: Driving the Web Layer 19. Index 20. Other Books You May Enjoy

Preface

Modern software is driven by users wanting new features, with no defects, released rapidly – a very challenging task. Solo developers have given way to development teams working together on a single software product. Features are added in short iterative cycles, then released to production frequently – sometimes daily.

Achieving this requires excellence in development. We must ensure that our software is always ready to be deployed and free of defects when it is released into production. It must be easy for our developer colleagues to work with. Code must be easy for anyone to understand and change. When the team makes those changes, we must have confidence that our new features work properly and that we have not broken any existing features.

This book brings together proven techniques that help make this a reality.

Test-driven development (TDD), the SOLID principles, and hexagonal architecture enable developers to engineer code that is known to work and known to be easy to work with. Development focuses on the fundamentals of software engineering. These practices are the technical foundation behind a code base that is easy and safe to change and always ready to be deployed.

This book will enable you to write well-engineered, well-tested code. You will have confidence that your code works as you think it should. You will have the safety of an ever-growing suite of fast-running tests, keeping a watchful eye over the whole code base as the team makes changes. You will learn how to organize your code to avoid difficulties caused by external systems such as payment services or database engines. You will reduce your dependence on slower forms of testing.

You will be writing higher quality code, suitable for a Continuous Delivery approach.

Modern software requires a modern development approach. By the end of this book, you will have mastered the techniques to apply one.

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