重新连接私有函数 p0,但显示:p0 未定义

Rewire a private function p0, but says: p0 not defined

main.js是这样的

const p0 = (a, b) => (a+b)
const p1 = (a, b) => {
    return p0(a, b) + 10;
}
module.exports = { p1 }

测试代码

const rewire = require('rewire');
const myMod = rewire('main');
    it('.test p0', async() => {
        const mockP0 = (a, b) => (a*b);

        myMod.__set__(p0, mockP0);
        return p1(2, 10);
    });

ReferenceError: p0 未定义

我以为rewire可以访问私有函数,请问如何解决?谢谢!

第一个参数应该是字符串或对象。

尝试

myMod.__set__('p0', mockP0);  

myMod.__set__({p0: mockP0});