In a previous blog post we looked into how to get started with Diffblue Cover. In this post, we will focus on utilizing Diffblue Cover to generate tests for a pre-existing project that contains untested code.

I find the best time to write tests to be as you write the code but, sometimes we discover untested code in our projects. Fully understanding someone else’s code that does not have tests written for it can be difficult and quite time-consuming. Let’s try out Diffblue Cover to see if it can help us.

Diffblue Cover is an AI-powered software testing tool that generates unit tests for Java code. Tests can easily be generated directly from your code using the Diffblue Cover IntelliJ plugin. Let’s get started by setting up Diffblue Cover and start generating tests.