Don't forget, on the JVM, you not only have Apache Groovy and JS(Nashorn) for scripting, but also Clojure which is suitable for complex scripts, even providing

Don't forget, on the JVM, you not only have Apache Groovy and JS(Nashorn) for scripting, but also Clojure which is suitable for complex scripts, even providing terse macroing. It's very handy to define a macro to avoid repetition typical in tests.