8 Greatly Underused Features of JUnit

Java Magazine Article Examples that demoes 8 Greatly Underused Features of JUnit based on @Rule architecture, such as TemporaryFolder, Error Collector and etc. Categories and Parameterized test running is also exampled.

When it comes to unit testing, we can say that JUnit is the most popular test framework among the Java developers. Despite the headline on the official Junit website http://junit.org/ stating that it’s a simple framework, there is a good deal of extensive functionality bundled within the framework. Unfortunately, most of us use a familiar set of features and so duplicate available goodies by reinventing them. With this article, I dig into nine convenient but under-used features of JUnit that should ease writing test code—including creating and automatically cleaning up temporary directories, running all assertions despite one failing, killing wayward tests, and the like.