Python Pytest装饰器@pytest.mark.parametrize详解

import pytest
#单参数单值
@pytest.mark.parametrize("user",["18221124104"])
def test(user):
    print(user)
    assert user=="18221124104"


"C:\Program Files\Python35\python.exe" C:/Users/wangli/PycharmProjects/Test/test/test03.py
============================= test session starts =============================
platform win32 -- Python 3.5.2, pytest-5.1.2, py-1.8.0, pluggy-0.12.0
rootdir: C:\Users\wangli\PycharmProjects\Test\test
collected 1 item

test03.py 18221124104
.

============================== 1 passed in 0.15s ==============================

Process finished with exit code 0



#单参数多值
@pytest.mark.parametrize("user",["18221124104","18200000000","18200000001"])
def test(user):
    print(user)
    assert user=="18221124104"


"C:\Program Files\Python35\python.exe" C:/Users/wangli/PycharmProjects/Test/test/test03.py
============================= test session starts =============================
platform win32 -- Python 3.5.2, pytest-5.1.2, py-1.8.0, pluggy-0.12.0
rootdir: C:\Users\wangli\PycharmProjects\Test\test
collected 3 items

test03.py 18221124104
.18200000000
F18200000001
F

================================== FAILURES ===================================
______________________________ test[18200000000] ______________________________

user = '18200000000'

    @pytest.mark.parametrize("user",["18221124104","18200000000","18200000001"])
    def test(user):
        print(user)
>       assert user=="18221124104"
E       AssertionError

test03.py:74: AssertionError
______________________________ test[18200000001] ______________________________

user = '18200000001'

    @pytest.mark.parametrize("user",["18221124104","18200000000","18200000001"])
    def test(user):
        print(user)
>       assert user=="18221124104"
E       AssertionError

test03.py:74: AssertionError
========================= 2 failed, 1 passed in 0.21s =========================

Process finished with exit code 0



#多参数多值
@pytest.mark.parametrize("user,pwd",[("18221124104",111111),("18200000000",111111)])
def test(user,pwd):
    print(user,pwd)


"C:\Program Files\Python35\python.exe" C:/Users/wangli/PycharmProjects/Test/test/test03.py
============================= test session starts =============================
platform win32 -- Python 3.5.2, pytest-5.1.2, py-1.8.0, pluggy-0.12.0
rootdir: C:\Users\wangli\PycharmProjects\Test\test
collected 2 items

test03.py 18221124104 111111
.18200000000 111111
.

============================== 2 passed in 0.03s ==============================

Process finished with exit code 0



# 使用内置的mark.xfail标记为失败的用例就不运行了，直接跳过显示xfailed
@pytest.mark.parametrize("user,pwd",[("18221124104",111111),pytest.param("18200000000",111111,marks=pytest.mark.xfail)])
def test(user,pwd):
    print(user,pwd)
    assert user == "18221124104"
    assert pwd== 111111



"C:\Program Files\Python35\python.exe" C:/Users/wangli/PycharmProjects/Test/test/test03.py
============================= test session starts =============================
platform win32 -- Python 3.5.2, pytest-5.1.2, py-1.8.0, pluggy-0.12.0
rootdir: C:\Users\wangli\PycharmProjects\Test\test
collected 2 items

test03.py 18221124104 111111
.18200000000 111111
x

======================== 1 passed, 1 xfailed in 0.14s =========================

Process finished with exit code 0




#若要获得多个参数化参数的所有组合，可以堆叠参数化装饰器
@pytest.mark.parametrize("x", [0, 1])
@pytest.mark.parametrize("y", [2, 3])
def test_foo(x, y):
    print("测试数据组合：x->%s, y->%s" % (x, y))

if __name__=="__main__":
    pytest.main(["-s","test03.py"])


"C:\Program Files\Python35\python.exe" C:/Users/wangli/PycharmProjects/Test/test/test03.py
============================= test session starts =============================
platform win32 -- Python 3.5.2, pytest-5.1.2, py-1.8.0, pluggy-0.12.0
rootdir: C:\Users\wangli\PycharmProjects\Test\test
collected 4 items

test03.py 测试数据组合：x->0, y->2
.测试数据组合：x->1, y->2
.测试数据组合：x->0, y->3
.测试数据组合：x->1, y->3
.

============================== 4 passed in 0.03s ==============================

Process finished with exit code 0