这是一本关于TDD的书籍.让读者学会由简到繁解决复杂任务.在编码前先写出自动测试程序.每次实现一个新的构思,通过不断的重构有机地扩展源有的设计院.创建成用于更复杂逻辑的测试.-This is a book on TDD. Institute for readers from simple to complex solutions to complex tasks. In the coding to write automated test before the procedure. Every