pytest学习系列_参数化详解

import pytest

‘‘‘
是对列表中的对象循环，然后一一的赋值
对象：
列表
元组
字典
‘‘‘

def add(a,b):
    return a + b

#列表
@pytest.mark.parametrize(‘a,b,expect‘,[
    [1,1,2],
    [2,2,4],
    [3,3,6],
    [4,4,8]
])
def test_add(a,b,expect):
    assert add(a,b) == expect

#元组
@pytest.mark.parametrize(‘a,b,expect‘,[
    (1,1,2),
    (2,2,4),
    (3,3,6),
    (4,4,8)
])
def test_add(a,b,expect):
    assert add(a,b) == expect


#字典
@pytest.mark.parametrize(‘data‘,[
    {‘a‘:1,‘b‘:1,‘expect‘:2},
    {‘a‘:4,‘b‘:4,‘expect‘:8}
])
def test_add(data):
    assert add(data[‘a‘],data[‘b‘]) == data[‘expect‘]


@pytest.mark.parametrize(‘a,b,expect‘,[
    pytest.param(1, 1, 2, id=‘one‘),
    pytest.param(2, 2, 4, id=‘two‘),
    pytest.param(3, 3, 6, id=‘three‘),
    pytest.param(4, 4, 8, id=‘four‘)
])
def test_add(a,b,expect):
    assert add(a,b) == expect

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