====== Spock Extension ======
  * [[http://spockframework.org/spock/docs/1.0/extensions.html|Spock 1.0 extensions]]
  * [[http://www.nurkiewicz.com/2015/10/spock-vw-writing-custom-spock-framework.html|Spock VW Writing Custom Spock Framework]] Spock Extension 예제.
  * [[http://ldaley.com/post/971946675/annotation-driven-extensions-with-spock|Annotation Driven Extensions With Spock.]]
  * [[http://www.slideshare.net/evgenyg/spock-extensions-anatomy|Spock Extensions Anatomy]]

===== Spock and JUnit Rule =====
  * [[http://blog.andresteingress.com/2014/07/22/spock-junit-rules/|JUnit Rules and Spock]]
  * [[https://github.com/spockframework/smarter-testing-with-spock/blob/master/src/test/groovy/extension/builtin/JUnitRules.groovy|JUnitRules.groovy]]

===== 참조 =====
  * [[https://www.baeldung.com/spock-extensions|Guide to Spock Extensions | Baeldung]]