What Mr. Spock would possibly say about modern unit testing: pragmatic and emotional overview

A JavaFest run of the JEEConf 2016 Spock talk for the Odesa Java community — walking through the Spock framework, how it compares to JUnit and TestNG, and the pragmatic-and-emotional answer to whether one should pick it up. Same content as the Kyiv premiere, retold for a regional audience that asked sharper Spock-vs-JUnit questions.