Python+Unittest参数化之parameterized数据驱动

王大力测试进阶之路

发布于 2019-11-28 23:26:55

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发布于 2019-11-28 23:26:55

一、parameterized介绍

Unittest第三方库parameterized类似Python数据驱动模块DDT、Pytest@pytest.mark.parametrize【Pytest篇】装饰器@pytest.mark.parametrize多样参数化（二）Pytest装饰器@pytest.mark.parametrize数据驱动（三）可以实现参数化用户数据驱动，避免写多个方法（冗余）

二、安装

pip install parameterized

三、导入

from parameterized import parameterized,param

四、实例

1、实现2个参数相加等于第3个参数，我们可以看到，参数是以列表形式传入的，根据参数个数，迭代不同次数

from parameterized import parameterized,param
import unittest
import requests
class Test(unittest.TestCase):
    @parameterized.expand([param(1,2,3),param('he','llo','hello')])
    def test(self,test1,test2,test3):
        self.assertEqual((test1+test2),test3)
 
if __name__ == '__main__':
    unittest.main()
 
Testing started at 12:36 ...
"C:\Program Files\Python35\python.exe" "C:\Program Files\JetBrains\PyCharm Community Edition 2018.2.4\helpers\pycharm\_jb_unittest_runner.py" --path C:/Users/wangli/PycharmProjects/Test/test/test01.py
Launching unittests with arguments python -m unittest C:/Users/wangli/PycharmProjects/Test/test/test01.py in C:\Users\wangli\PycharmProjects\Test\test
 
 
Ran 2 tests in 0.001s
 
OK
 
Process finished with exit code 0

2、我们可以通过上面方法实现我们测试用例的迭代，将测试用例的请求参数组装成列表形式，传给@parameterized.expand([参数1，参数2，参数3])，实现测试用例的多次迭代，避免写多个测试方法

from parameterized import parameterized,param
import unittest
import requests
class Test(unittest.TestCase):
    @parameterized.expand([param('url','headers','data1'),param('url','headers','data2')])
    def test(self,url,headers,data):
        print(url,headers,data)
        r=requests.post(url=url,headers=headers,json=data)
 
if __name__ == '__main__':
    unittest.main()
 
Testing started at 12:46 ...
"C:\Program Files\Python35\python.exe" "C:\Program Files\JetBrains\PyCharm Community Edition 2018.2.4\helpers\pydev\pydevd.py" --multiproc --qt-support=auto --client 127.0.0.1 --port 1145 --file "C:\Program Files\JetBrains\PyCharm Community Edition 2018.2.4\helpers\pycharm\_jb_unittest_runner.py" --path C:/Users/wangli/PycharmProjects/Test/test/test01.py
pydev debugger: process 24756 is connecting
 
Connected to pydev debugger (build 182.4505.26)
Launching unittests with arguments python -m unittest C:/Users/wangli/PycharmProjects/Test/test/test01.py in C:\Users\wangli\PycharmProjects\Test\test
 
 
 
Ran 2 tests in 0.004s
 
OK
url headers data1
url headers data2
 
Process finished with exit code 0

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原始发表：2019-11-26，如有侵权请联系 cloudcommunity@tencent.com 删除

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