模块三 pytest测试框架

介绍

官方文档：

https://docs.pytest.org/en/stable/

 安装：pip install -U pytest

查看安装版本：pytest --version

 

 pytest安装

① pip install pytest

升级： pip install  -U pytest

② pycharm安装

 两种运行方式

1.python解释器

2.pytest解释器

pytest -v  打印详细日志

pytest -k   指定某个测试用例

pytest的参数化

@pytest.mark.parametrize

@pytest.mark.parametrize('a,b',[
    (1,2),
    (10,20),
    ('a','b')
])
def test_answer(a,b):
    assert inc(a) == b

import pytest


def inc(x):
    return x + 1

@pytest.mark.parametrize('a,b',[
    (1,2),
    (10,20),
    ('a','b')
])
def test_answer(a,b):
    assert inc(a) == b

def test_answer1():
        assert inc(4) == 5

if __name__ == '__main__':
    pytest.main(['test_sample.py::test_answer1','-v'])


@pytest.fixture()
def login():
    print("登录操作")
    username = 'lili'
    return username
class TestDemo:
    def test_a(self,login):
        print(f"a   {login}")
    def test_b(self):
        print("b")
    def test_c(self,login):
        print(f"c   {login}")