Testing Go (Golang) Applications

The book "Testing Go (Golang) Applications" is a practical guide that will teach you how to write high-quality and reliable tests for any Go project. The author, experienced Go developer Alexey Petrov, shares proven testing methodologies and patterns that will help you avoid common mistakes and improve the stability of your code.

The book covers all aspects of testing in the Go ecosystem, from the basics of unit testing to complex integration scenarios. You will learn how to properly structure tests, use table-driven tests, work with mocks and stubs, and conduct performance benchmarking. Special attention is given to practical examples from real-world projects.

Who this book is for:

• Beginner Go developers who want to learn testing from scratch
• Experienced programmers seeking to improve the quality of their tests
• Team leads and architects implementing TDD and CI/CD practices in their teams
• Anyone who wants to write reliable, testable code in Go

What you will learn from the book:

• Basics of unit testing: test structure, assert libraries, code coverage
• Working with mocks, stubs, and fake objects using the standard testing package and the testify library
• Integration testing: testing HTTP servers, databases, external APIs
• Benchmarking and profiling: how to measure performance and optimize code
• Testing concurrent code: goroutines, channels, race detector
• TDD (Test-Driven Development) practices using a real project example
• Setting up CI/CD pipelines with automated test execution
• Organizing tests in large projects: test packages, fixtures, data generation

The book is written in a simple and clear language, with each example accompanied by detailed comments. You will be able to immediately apply the knowledge gained in practice. All code examples are available for download and are fully functional.

Book features:

• Over 50 practical examples with explanations
• Focus on modern approaches and best practices of the Go community
• Chapters on testing microservices and gRPC
• Analysis of real-world cases from production projects
• Tips on choosing tools and libraries for testing

This book will become your reliable companion in the world of testing Go applications. Regardless of your current level, you will find valuable knowledge and practical skills in it that will help you write better quality and more reliable code.