The Best Unit Testing Tutorials for Spring and Spring Boot

Diffblue HQ
2 min readFeb 8, 2021


Spring and Spring Boot are well-known frameworks full of great features that are commonly used when developing Java applications, thanks to their comprehensive nature. Testing your Spring applications is important, and it may be more straightforward than you think.

If you need an introduction to Spring Boot testing in general, check out this talk by Andy Wilkinson, Senior Principal Software Engineer from Pivotal, who speaks of the purpose and importance of testing, as well as some of Spring Boot’s testing features.

Once you’ve got the hang of the basics, you can work through this list of some of the best unit testing tutorials for Spring and Spring Boot that we could find. In case you missed it, we’ve also got a walkthrough of Spring Boot testing with our free IntelliJ plugin of Diffblue Cover by our very own Rob Oxspring: check it out.

The Best Testing Tutorials for Spring and Spring Boot

Learn Spring and Spring Boot: 5 Day Challenge by In28Minutes

A step-by-step guide, starting from scratch, that allows you to build and test a web application through 10 hours of videos available across 5 days.

How to Test a Spring Boot Application by Vuk Skobalj

This ~30-minute article is aimed at users that are familiar with the basics of Java, Maven and Spring Boot. Vuk has received fantastic reviews: as an introduction, the guide is thorough, clear and easy to follow.

Testing the Web Layer with JUnit by

A simple guide with sample code, estimated to last 15 minutes. You can either start from scratch, or skip the basic setup steps if you’re already familiar with this part of the process.

Unit and Integration Tests in Spring Boot by Marco Giglione

The writer set out to provide a clear summary, all on just one page. The common confusion between unit and integration testing is also addressed.

Spring Boot Testing best practices by VMware

For users that are more familiar with the process, but hope to tighten up on their use of best practices, to ensure the process is as smooth as possible, this article with sample code is great.

Unit testing is a critical part of delivering quality code. To find out more about its benefits, check out this ebook.

Originally published at on February 8, 2021.



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