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Key benefits

Write Go test suites using popular mocking and testing frameworks

Leverage TDD to implement testing at all levels of web applications and microservices architecture

Master the art of writing tests that cover edge cases and concurrent code

Description

Experienced developers understand the importance of designing a comprehensive testing strategy to ensure efficient shipping and maintaining services in production. This book shows you how to utilize test-driven development (TDD), a widely adopted industry practice, for testing your Go apps at different levels. You’ll also explore challenges faced in testing concurrent code, and learn how to leverage generics and write fuzz tests. The book begins by teaching you how to use TDD to tackle various problems, from simple mathematical functions to web apps. You’ll then learn how to structure and run your unit tests using Go’s standard testing library, and explore two popular testing frameworks, Testify and Ginkgo. You’ll also implement test suites using table-driven testing, a popular Go technique. As you advance, you’ll write and run behavior-driven development (BDD) tests using Ginkgo and Godog. Finally, you’ll explore the tricky aspects of implementing and testing TDD in production, such as refactoring your code and testing microservices architecture with contract testing implemented with Pact. All these techniques will be demonstrated using an example REST API, as well as smaller bespoke code examples. By the end of this book, you’ll have learned how to design and implement a comprehensive testing strategy for your Go applications and microservices architecture.

What you will learn

Create practical Go unit tests using mocks and assertions with Testify

Build table-driven test suites for HTTP web applications

Write BDD-style tests using the Ginkgo testing framework

Use the Godog testing framework to reliably test web applications

Verify microservices architecture using Pact contract testing

Develop tests that cover edge cases using property testing and fuzzing

What do you get with eBook?

Instant access to your Digital eBook purchase

Download this book in EPUB and PDF formats

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

AI Assistant (beta) to help accelerate your learning

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arsalan May 16, 2023

The testing approaches are covered in full in this book, along with how to set up and execute your unit tests using Go's built-in testing library.It clearly describes how to develop and put into practise a thorough testing plan for your Go applications and microservices architecture.It's a great resource for all go devs looking to adopt the TDD method. This book is a useful resource for people looking for a good source in this field due to the author's experience, clear explanations, and applicable examples.Highly recommend.

Amazon Verified review

Rhys Dunne May 12, 2023

As a newbie with Go I found this book of great benefit.Adelina has covered the fundamentals of coding and design, not just testing.Testing in particular I found I found challenging to understand, as I don’t feel the testing library provides much guidance by itself. I appreciated that the book covered the entire testing pyramid and applies it to web apps. Really looking forward to digging into the code on GitHub too!

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Krishnan Raghavan Sep 01, 2023

Test Driven Development has been used by the industry for a long time now to ensure that deliveries are made as close a perfection as possible. Every developer/company tries to ensure that TDD is part of the development process and makes it a primary part of engineering. This book addresses the need to understand how to implement TDD while using Go for development.The book is split into three parts. The first part starts with covering the basics of TDD as part of Chapter 1. This chapter covers the principles and the benefits of using TDD. Continuing from Chapter 1, Chapter 2 teaches the readers the essential knowledge to understand how to write test cases using Go's standard testing library. Chapter 3 builds on the knowledge acquired in the previous chapter and shows the reader how to write test cases for code that has dependencies. It covers interfaces, assertions, and the importance of generating and using mocks to write test cases. Chapter 4 teaches the readers how to build test suites using the popular Go testing technique of table-driven design.The second part covers the integration and end-to-end testing. It starts with Chapter 5 where the reader understands how to include interaction between components using integration testing. Chapter 6 focuses on End-To-End testing while building a REST API application. As part of this chapter, the reader also understands the use of Docker, Database Interaction, and end-to-end testing. Chapter 7 is about the Refactoring of code in Go and how TDD can be used to facilitate this process. Chapter 8 covers a very important topic of Testing Microservice Architecture, and the challenges associated with it, and also introduces Contract Testing used to verify the integration between services.The third and the last part of the book covers Advanced Testing Techniques. Chapter 9 helps the reader understand the challenges of testing/verifying concurrent Go code. Chapter 10 is about testing edge cases and scenarios by making use of fuzz testing and property-based testing. Chapter 11 helps the reader understand the usage and testing of Go Generics.This is a wonderfully written book that will help the reader understand how to implement TDD using the Go Programming Language. Kudos to Adelina Simion for writing a much-needed book in this area.

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Dave Banerjee Jun 06, 2023

Testing with Go includes everything you need to test every aspect of a Go program. Many of the techniques in this book can also be applied to other software and languages! This book provides a solid testing foundation necessary for building high-quality software with Go.

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Harry May 08, 2023

I got this book on a recommendation from a friend, suggesting it would be a good entry to the language. Having just finished it, I can confirm it was a great suggestion - the book covers testing principles in depth (applicable to all languages), then holds your hand getting into the nuts and bolts of Go, and Go testing with the Github resources. I found the book easy to follow, though some video resources might have been a nice addition to code along to.Definitely would recommend as a really helpful intro to Go and Go testing.

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Test-Driven Development in Go: A practical guide to writing idiomatic and efficient Go tests through real-world examples

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