I leave the description of the new testing facilities in JUnit 5 to other references such as A Guide to JUnit 5 on the Baeldung site and the JUnit 5 project page.
Add JUnit5 to an IntelliJ IDEA project. We are going a little deeper to see the exact dependencies and their versions focusing on junit with which spring-boot-starter-test comes (in IntelliJ you can do this by Ctrl + click onto spring-boot-starter-test.In the snippet below, we can see that sprint-boot-starter-test comes with JUnit 4.12 but there is JUnit 5 already. Created July 28, 2017 14:32 I am running IntelliJ 2017.2.1 and trying to start a new project working with JUnit 5. This master branch is used as the starting point in the following JUnit guide: https://bit.ly/2lNDmxA. It also defines TestEngine APIs which are used to develop testing frameworks that run on the platform. Technologies used: Gradle 5.4.1; Java 8; JUnit 5.5.2; 1. >This is what is in my Project Structure related to JUnit (I have not seen a way to add "Junit 5.2 to the classpath" in this version of IntelliJ as noted on some other Jet Brains links when JUnit 5 support was first added to the product) : You need to make sure the necessary Junit5 dependencies are added into Maven pom.xml file. Create a folder /src and add a package /model and a Java class Foo to it (I'll write you one). IntelliJ IDEA supports JUnit 5 since 2016.2, but I strongly recommend to use at least 2017.3.Until then, IntelliJ used to come with its own version of the Jupiter engine, which leads to problems if your project does not depend on the matching API version. IDE Support. Put it in a folder /test-lib in your IntelliJ project. Intellij Idea - Running Projects - IntelliJ provides multiple ways to create configuration. You can add a Maven module to the project in which you are already working. >This is what is in my Project Structure related to JUnit (I have not seen a way to add "Junit 5.2 to the classpath" in this version of IntelliJ as noted on some other Jet Brains links when JUnit 5 support was first added to the product) : You need to make sure the necessary Junit5 dependencies are added into Maven pom.xml file. (From the Welcome to IntelliJ IDEA screen, select Configure/Project Defaults/Project Structure.) This article shows you how to add JUnit 5 in a Gradle project. But the easiest way is to add the JUnit JAR to your project, write some tests, and execute them in IntelliJ. The focus of this article is on the problems encountered in making the change to JUnit 5 in a real project and how those problems were solved. This article shows you how to add JUnit 5 in a Maven project, nothing special, just add the JUnit 5 junit-jupiter-engine library and make sure the maven-surefire-plugin is at least version 2.22.0. JUnit 5 = JUnit Platform + JUnit Jupiter + JUnit Vintage JUnit Platform defines Launcher APIs which are used by IDEs and build tools to launch the framework. JUnit 5. In this article I’ll explain some of the problems I came up against and how I solved them. Important: Click the Apply or OK button to finish adding the library to IntelliJ as a global library. I am running IntelliJ 2017.2.1 and trying to start a new project working with JUnit 5. Add JUnit 5 Migrate JUnit 4 to JUnit 5 1) First, let’s go to Spring Boot initializr and generate a new project. I particularly focus on the changes made in the Gradle build to support JUnit 5. Moreover, JUnit 5 is more integrated with Java 8, especially with Lambdas and Stream concepts. Add the JUni 5 jupiter … If you are going to use parameterized tests, repeat steps 4–7, using junit-jupiter-params, in place of junit-jupiter-api. Alternatively, from the main menu, select File| New | Module to open the New Module wizard. The corresponding libraries are located in the following directories: JUnit libraries ( hamcrest-core-1.3.jar and junit-4.12.jar ):