使用unittest方法写登录接口，调用cookie

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import unittest
import requests
import re
import warnings

class HouseTest(unittest.TestCase):
    # 初始化方法
    def setUp(self) -> None:
        warnings.simplefilter('ignore', ResourceWarning)
        login_url = 'http://uat.cbs.bacic5i5j.com/cas/login?service=http://uat.cbs.bacic5i5j.com/base/cas'
        res = requests.get(login_url)
        if res.status_code not in [200, 202]:
            print('login failed')
            raise
        res_data = res.text
        self.lt = re.findall('name="lt" value="(.+?)"',res_data)[0]
        self.execution = re.findall('name="execution" value="(.+?)"', res_data)[0]
        self.event_id = re.findall('name="_eventId" value="(.+?)"', res_data)[0]
        self.cookie = ''
        for key, val in res.cookies.items():
            self.cookie += key + '=' + val + ';'
        self.headers = {'Content-Type': 'application/x-www-form-urlencoded', 'cookie': self.cookie}
        data = {'lt': self.lt, 'execution': self.execution, '_eventId': self.event_id, 'username': '509548', 'password':'1q2w3e4r'}
        self.session = requests.session()
        self.res2 = self.session.post(login_url, params=data, headers=self.headers)
        # print(self.res2.text)

    def test_login(self):
        pass

    # 网签待核对列表
    def test_buildlist(self):
        url2 = 'http://uat.cbs.bacic5i5j.com/bdc/bdcNetSignDb/task_getData.htm'
        data = {
            'offset': 15, #第一页是0
            'pageSize': 15,
            'sortOrder': 'asc',
        }
        headers = {
            'Content-Type': 'application/x-www-form-urlencoded',
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36',
            'cookie': self.cookie
        }
        # 不用添加header了，会记住第一次的header信息
        res3 = self.session.post(url2, json=data)
        print(res3.status_code)
        print(res3.text)
        if '待核对' in res3.text:
            print('已经进入了我要找的页面')
        else:
            print('操作有误')

    # 销毁函数
    def tearDown(self) -> None:
        pass

if __name__ == '__main__':
    unittest.main()