loguru的使用

from loguru import logger
from unittest import TestCase

# 将日志输出到demo1.log文件中
logger.add(sink='demo1.log',
           encoding='utf-8',
           level='ERROR',
           rotation='10 B'
           )
# logger .add ( "file_1.log" , rotation="500 MB") 每500MB生成个新文件
# logger .add ( "file_2.log " , rotation="12:00")每天12点生成新的文件
# logger .add ( "file_3.log " , rotation="1 week ")一周生成一个新文件
# logger.add ( "file_x.log" , retention="10 days")10天生成一个新文件


def login(username=None, password=None):
    if username is None or password is None:
        return {'为空'}
    elif username == 'aa' and password == '123':
        return {'通过'}
    return {'错误'}


# 类遵守规则：必须继承unittest.TestCase
class TestLogin(TestCase):

    def test_login_1(self):
        """测试用例方法"""
        username = 'aa'
        password = '123'
        ex = {'通过'}
        logger.info("正在执行测试用例1...")
        ac = login(username, password)
        # assert ex != ac
        self.assertEqual(ex, ac)
        logger.info("执行测试用例1完毕...")

    def test_login_2(self):
        """测试用例方法"""
        username = 'test'
        password = '123'
        ex = {'通过'}
        logger.info("正在执行测试用例2...")
        ac = login(username, password)
        try:
            assert ex == ac
        except AssertionError as e:
            #  在日志中记录断言异常
            logger.error("测试用例2断言失败")
            raise e  # 抛出异常，不然被捕获了就pass了
        logger.info("执行测试用例2完毕...")