Its APIs were used by both test writers-developers like you and me-and tool vendors, who used many of the internal JUnit APIs. Aside from the inclusion of the Hamcrest JAR in version 4.4, JUnit was basically one big JAR file. When I write about JUnit 5, I’m referring to the project as a whole. When I write about JUnit Jupiter, I’m referring to the API for writing unit tests. JUnit 5 is the project name (and version) that includes the separation of concerns reflected in all three major modules: JUnit Jupiter, JUnit Platform, and JUnit Vintage. JUnit Jupiter is the API for writing tests using JUnit version 5. It’s important, however, to understand that the two terms are not the same. In most cases, this is a benign interchange. It’s tempting to use the terms JUnit 5 and JUnit Jupiter synonymously. It’s coming soon to a project next to you - I guarantee it! It’s a neat build system, and increasingly popular. The demonstration is optional, but I encourage you to learn Gradle. In this tutorial, I’ll show you how to run JUnit Jupiter tests using Gradle. Apache Maven for Windows, Mac, and Linux.
Eclipse IDE for Windows, Mac, and Linux.If you are missing any of these tools, you can use the links below to download and install them now: In order to follow along with the examples, you should have JDK 8, Eclipse, Maven, Gradle (optional), and Git installed on your computer. Prerequisitesįor the purpose of this tutorial, I assume that you are comfortable using the following software: In Part 2, we’ll take a deeper tour of JUnit 5, including the new JUnit Jupiter Extension model, parameter injection, dynamic tests, and more.įor this tutorial, I used JUnit 5, Version 5.0.2. I’ll give you a brief tour of JUnit 5’s architecture and components, then show you how to use new annotations, assertions, and assumptions in the JUnit Jupiter API. We’ll start by installing JUnit 5 and getting it setup on your computer.
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