IntelliJ IDEA provides support for the upcoming JUnit 5 release. JUnit has pretty much been the standard for Java unit testing for years, and the latest version brings the library right up to date, making use of Java 8 features and bringing in ways of testing that are familiar if you've been using other frameworks like Spock. IntelliJ IDEA 2017.2 adds support for some of these features, to make the experience of testing code as painless and quick as possible. JUnit 5 supports parameterized tests. These tests let you use the same basic structure of a test with a number of different inputs.
Support for JUnit 5 M4 in IntelliJ IDEA 2017.2
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