https://zhuanlan.zhihu.com/p/623447031

{
    "item":[
        {
            "request":
            {
                "url": "xxx",
                "body":
                {
                    "password":"123456",
                    "sex":"男",
                    "age":12
                }
            },
            "response":
            [
                {
                    "message":
                    {
                        "username": "用户名不能为空"
                    }
                }
            ]
        },
        {
            "request":
            {
                "url": "xxx",
                "body":
                {
                    "username": "admin",
                    "password":"123456",
                    "sex":"男",
                    "age":12
                }
            },
            "response":
            [
                {
                    "age": 12,
                    "password": "123456",
                    "sex": "男",
                    "username": "admin"
                }
            ]
        },
        {
            "request":
            {
                "url": "xxx",
                "body":
                {
                    "username": "admin",
                    "sex":"男",
                    "age":12
                }
            },
            "response":
            [
                {
                    "message":
                    {
                        "password": "密码不能为空"
                    }
                }
            ]
        },
        {
            "request":
            {
                "url": "xxx",
                "body":
                {
                    "username": "admin",
                    "password":"123456",
                    "sex":"111",
                    "age":12
                }
            },
            "response":
            [
                {
                    "message":
                    {
                        "sex": "性别只能是男或者⼥"
                    }
                }
            ]
        },
        {
            "request":
            {
                 "url": "xxx",
                "body":
                {
                    "username": "admin",
                    "password":"123456",
                    "sex":"男",
                    "age":"qqq"
                }
            },
            "response":
            [
               {
                    "message":
                    {
                        "age": "年龄必须为正整数"
                    }
                }
            ]
        }
    ]
}

import json

def readJson():
    '''
    返回Python对象
    :return:
    '''

    return json.load(open("1.json","r",encoding='utf-8'))['item']

import requests
import pytest


@pytest.mark.parametrize("data", readJson())
def test_json_login(data):
    '''
    1、需要看下返回的数据是否是字典
    2、若不是字典还要进行反序列化或序列化的处理
    :param data:
    :return:
    '''
    r = requests.post(url=data['request']['url'],json=data['request']['body'])
    assert r.json() == data['response'][0]

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