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DemoAPI

本文总结介绍接口测试框架开发,环境使用python3+selenium3+unittest测试框架及ddt数据驱动,采用Excel管理测试用例等集成测试数据功能,以及使用HTMLTestRunner来生成测试报告,目前有开源的poman、Jmeter等接口测试工具,为什么还要开发接口测试框架呢?因接口测试工具也有存在几点不足。

  • 测试数据不可控制。比如接口返回数据不可控,就无法自动断言接口返回的数据,不能断定是接口程序引起,还是测试数据变化引起的错误,所以需要做一些初始化测试数据。接口工具没有具备初始化测试数据功能,无法做到真正的接口测试自动化。
  • 无法测试加密接口。实际项目中,多数接口不是可以随便调用,一般情况无法摸拟和生成加密算法。如时间戳和MDB加密算法,一般接口工具无法摸拟。
  • 扩展能力不足。开源的接口测试工具无法实现扩展功能。比如,我们想生成不同格式的测试报告,想将测试报告发送到指定邮箱,又想让接口测试集成到CI中,做持续集成定时任务。

测试框架处理流程

Image

测试框架处理过程如下:

  • 首先初始化清空数据库表的数据,向数据库插入测试数据;
  • 调用被测试系统提供的接口,先数据驱动读取excel用例一行数据;
  • 发送请求数据,根据传参数据,向数据库查询得到对应的数据;
  • 将查询的结果组装成JSON格式的数据,同时根据返回的数据值与Excel的值对比判断,并写入结果至指定Excel测试用例表格;
  • 通过单元测试框架断言接口返回的数据,并生成测试报告,最后把生成最新的测试报告HTML文件发送指定的邮箱。

测试框架结构目录介绍

目录结构介绍如下:

  • config/: 文件路径配置
  • database/: 测试用例模板文件及数据库和发送邮箱配置文件
  • db_fixture/: 初始化接口测试数据
  • lib/: 程序核心模块。包含有excel解析读写、发送邮箱、发送请求、生成最新测试报告文件
  • package/: 存放第三方库包。如HTMLTestRunner,用于生成HTML格式测试报告
  • report/: 生成接口自动化测试报告
  • testcase/: 用于编写接口自动化测试用例
  • run_demo.py: 执行所有接口测试用例的主程序

测试结果展示

  • HTML报告 Image Image
  • Excel用例结果 Image
  • 邮件收到的测试报告 Image

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demoapi's Issues

执行报错

ft1.1: ******* 正在执行用例 ->event_login_001 *********
请求方式: post,请求URL: http://192.168.250.44:6223/xxx/sys/login
请求参数:
post请求body类型为:json ,body内容为:{"t":1584687365417,"departmentNo":"440682111","username":"admin","password":"xxxxxx","uuid":"","captcha":""}
invalid syntax (, line 1)
Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\lib\site-packages\ddt.py", line 151, in wrapper
return func(self, *args, **kwargs)
File "E:\API_auto\DemoAPI\testcase\testAPI.py", line 35, in test_api
self.result = re.json()
AttributeError: 'NoneType' object has no attribute 'json'

这个是report里报的错,看样子是请求失败了,但 不知道为何失败

这个接口postman,还有我单独使用r = requests.post(url, headers=h,data=data_body)都正常请求

另外,控制台的报错:
C:\ProgramData\Anaconda3\python.exe E:/API_auto/DemoAPI/run_demo.py
<_io.TextIOWrapper name='' mode='w' encoding='UTF-8'>
Time Elapsed: 0:00:00.001006
E test_api_1 (testAPI.Demo_API)
失败: server_hostname cannot be an empty string or start with a leading dot.

环境python3.7

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