:为dict   -为list    一个-表示一个list[index]值    形式如下{[],[]}

teststeps:
-   name: login
    request:
        url: /login
        method: POST
        headers:
            Content-Type: application/json
        json:
            username: "15669910105"
            password: "a123456"
    extract:
        - token: content.token
    validate:
        - eq: ["status_code",200]
        - eq: ["content.data.username","15669910105"]
-   name: logout

with open(self.yaml, 'rb') as f:
    self._data = yaml.safe_load(f)   读取为字典

{
  'teststeps': [
    {
      'name': 'login',
      'request': {
        'url': '/login',
        'method': 'POST',
        'headers': {
          'Content-Type': 'application/json'
        },
        'json': {
          'username': '15669910105',
          'password': 'a123456'
        }
      },
      'extract': [
        {
          'token': 'content.token'
        }
      ],
      'validate':[{'eq':['status_code',200]},{'eq':['content.data.username','15669910105']}]
    },
    {
      'name': 'logout'
    }
  ]
}