Pytest -6 传参params

import pytest

def read_yaml():
    return ['成龙','张三','李四']
                                                                    #  ids 为参数取 别名
@pytest.fixture(scope="function", autouse=False, params=read_yaml(),ids=['a','b','c'])    # 调用read_yaml，传参
def exec_db_sql(request):                                                        # request 固定参数
    print("执行SQL...")                                     
    yield request.param                                                          # 取出参数                                               
    print("关闭数据库")
                                     

class Test_Run1():
    def test1(self):
        print("测试1.....")
    
    def test2(self,exec_db_sql):                                                # 调用
        print("测试2..... " +  exec_db_sql)                                     # 打印参数

    def test3(self):                                 
        print("测试3.....")

print("--------------------------------")

@pytest.mark.usefixtures("exec_db_sql")                 # 手动指定，类前后调用exec_db_sql
class Test_Run2():
    def test_01(self):
        print("测试1.....")
    
    def test_02(self):
        print("测试2.....")

    def test_03(self):                                 
        print("测试3.....")