This kind of test is also more business-oriented, because they focus on testing external, visible behaviors (so it’s kind of “BDD in code”). You don’t have to think about internal implementation details anymore. In most cases, you don’t even need mocks, it’s enough to use hand-written Test Doubles/Fakes/Stubs (e.g. an in-memory list that simulates a database, fake time provider, etc) (tests with Fakes are much cleaner).
fun printMessage() { /*...*/ }。关于这个话题，safew官方版本下载提供了深入分析
，推荐阅读Safew下载获取更多信息
For many, it's a painful skin rash - usually on the chest or abdomen - on one side of the body.
但要真正实现这一切，却并不容易。刘强东之前，已先后有多位企业家以不同方式入局其中，然而进展与成就却可以说是乏善可陈。。heLLoword翻译官方下载对此有专业解读