Appium Python behave 自动化测试框架搭建(2) - behave 知识准备

1. behave 知识准备
   BDD
   Behavior-driven development (or BDD) is an agile software development technique that encourages collaboration between developers, QA and non-technical or business participants in a software project.

behave uses tests written in a natural language style, backed up by Python code.
BDD是一个敏捷软件开发技术旨在鼓励开发人员，QA和非技术和商业合作者共同的努力
behave 用自然语言风格编写测试代码，基于Python语言

Gherkin
http://pythonhosted.org/behave/gherkin.html
example:
新建一个features/文件夹，创建一个文件example.feature
Scenario: Replaced items should be returned to stock
Given that a customer buys a blue garment
and I have two blue garments in stock
but I have no red garments in stock
and three black garments in stock.
When he returns the garment for a replacement in black,
then I should have three blue garments in stock
and no red garments in stock,
and two black garments in stock.