Pytest fixture之request传参

  • 2019 年 11 月 28 日
  • 笔记

Pytest中我们经常会用到数据参数化,我们来介绍下装饰器@pytest.fixture()配合request传参的使用

user = request.param

如果想把登录操作放到前置操作里,也就是用到@pytest.fixture装饰器,传参就用默认的request参数

user = request.param 这一步是接收传入的参数,本案例是传一个参数情况

@pytest.mark.parametrize("input_user",user_list,indirect=True)中indirect=True是指用user_list、pwd_list数据对“input_user”、“input_pwd”这个fixture进行参数化,虽然装饰器写在测试用例上,但是却是对测试用例使用的fixture进行传递数据,这正是indirect的意思.

request传多个参数、多个fixtrue

import pytest  user_list=['wangxiao','zhangxiao']  pwd_list=['123456','123']  @pytest.fixture(scope="module")  def input_user(request):      user=request.param      print("用户名:%s"%user)      return user  @pytest.fixture(scope="module")  def input_pwd(request):      pwd = request.param      print("密码:%s"%pwd)      return pwd  @pytest.mark.parametrize("input_user",user_list,indirect=True)  @pytest.mark.parametrize("input_pwd",pwd_list,indirect=True)  def test_login(input_user,input_pwd):      print(input_user,input_pwd)  if __name__=='__main__':      pytest.main(['-s','test01.py'])      "C:Program FilesPython35python.exe" C:/Users/wangli/PycharmProjects/Test/test/test01.py  ============================= test session starts =============================  platform win32 -- Python 3.5.2, pytest-5.1.2, py-1.8.0, pluggy-0.12.0  rootdir: C:UserswangliPycharmProjectsTesttest  plugins: allure-pytest-2.8.5, html-1.22.0, metadata-1.8.0  collected 4 items    test01.py 用户名:wangxiao  密码:123456  wangxiao 123456  .用户名:zhangxiao  zhangxiao 123456  .密码:123  zhangxiao 123  .用户名:wangxiao  wangxiao 123  .    ============================== 4 passed in 0.06s ==============================    Process finished with exit code 0

request传多个参数、单个fixtrue

import pytest  user_list=[('wangxiao','123'),('chengzi','123456')]    @pytest.fixture(scope="module")  def login(request):      user = request.param      pwd = request.param      print("用户名:%s,密码:%s"%(user,pwd))      return user,pwd    @pytest.mark.parametrize("login",user_list,indirect=True)  def test_login(login):      print(login)  if __name__=='__main__':      pytest.main(['-s','test01.py'])      "C:Program FilesPython35python.exe" C:/Users/wangli/PycharmProjects/Test/test/test01.py  ============================= test session starts =============================  platform win32 -- Python 3.5.2, pytest-5.1.2, py-1.8.0, pluggy-0.12.0  rootdir: C:UserswangliPycharmProjectsTesttest  plugins: allure-pytest-2.8.5, html-1.22.0, metadata-1.8.0  collected 2 items    test01.py 用户名:('wangxiao', '123'),密码:('wangxiao', '123')  (('wangxiao', '123'), ('wangxiao', '123'))  .用户名:('chengzi', '123456'),密码:('chengzi', '123456')  (('chengzi', '123456'), ('chengzi', '123456'))  .    ============================== 2 passed in 0.04s ==============================    Process finished with exit code 0