GroUnit is a RegressionTesting utility for use with the GroovyLanguage, like JavaUnit (JUnit) is for the JavaLanguage.
GroUnit is just one of the TestingFrameworks known collectively as XUnit, which can be found at http://www.xprogramming.com/software.htm.
GroUnit's homepage is http://www.stefanroock.de/grounit/GroUnit.html. GroUnit is hosted on SourceForge at http://sourceforge.net/projects/grounit/.
Further Links
CategoryTesting CategoryGroovy? CategoryJava TestingFramework