方式1：

　　如果用例需要用到多个fixture的返回数据，fixture也可以return一个元组、list或字典，然后从里面取出对应数据。　

import pytest

@pytest.fixture()
def user():
    print("获取用户名")
    a = "hjt"
    b = "123456"
    return (a, b)


def test_1(user):
    u = user[0]
    p = user[1]
    print("测试账号：%s, 密码：%s" % (u, p))
    assert u == "hjt"

方式2：

　　分开定义成多个fixture，然后test_用例传多个fixture参数

@pytest.fixture()
def user():
    print("获取用户名")
    a = "hjt"
    return a

@pytest.fixture()
def psw():
    print("获取密码")
    b = "123456"
    return b

def test_1(user, psw):
    ‘‘‘传多个fixture‘‘‘
    print("测试账号：%s, 密码：%s" % (user, psw))
    assert user == "hjt"

方式3：

　　多个fixture和parametrize组合使用

# 测试账号数据
test_user = ["admin1", "admin2"]
test_psw = ["11111", "22222"]


@pytest.fixture(scope="module")
def input_user(request):
    user = request.param
    print("登录账户：%s" % user)
    return user


@pytest.fixture(scope="module")
def input_psw(request):
    psw = request.param
    print("登录密码：%s" % psw)
    return psw


@pytest.mark.parametrize("input_user", test_user, indirect=True)
@pytest.mark.parametrize("input_psw", test_psw, indirect=True)
def test_login(input_user, input_psw):
    """登录用例"""
    a = input_user
    b = input_psw
    print("测试数据a-> %s， b-> %s" % (a, b))
    assert b

方式4：

　　fixture和fixture互相调用

@pytest.fixture()
def first():
    print("获取用户名")
    a = "hjt"
    return a

@pytest.fixture()
def sencond(first):
    ‘‘‘psw调用user fixture‘‘‘
    a = first
    b = "123456"
    return (a, b)

def test_1(sencond):
    ‘‘‘用例传fixture‘‘‘
    print("测试账号：%s, 密码：%s" % (sencond[0], sencond[1]))

    assert sencond[0] == "hjt"

fixture传参使用

原文：https://www.cnblogs.com/juntaohuang/p/14496462.html