python中mock的统计方法有哪些

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
被测试类
"""
# People类里有两个成员方法（一个有参数，一个无参数）、一个静态方法
class People:
 
    def __init__(self):
        self.__age = 20
 
    def name(self,firstName,lastName):
        return firstName + ' ' + lastName
 
    def age(self):
        return self.__age
 
    @staticmethod
    def class_name():
        return People.__name__