Mockito 相关资料
https://monkeyisland.pl/2008/04/26/asking-and-telling/
http://qiuguo0205.iteye.com/blog/1456528
http://www.sizovpoint.com/2009/03/java-mock-frameworks-comparison.html
https://dzone.com/articles/mockito-pros-cons-and-best
https://static.javadoc.io/org.mockito/mockito-core/2.6.3/org/mockito/Mockito.html
SpingSide的案例: