Stubbing method in same file using Sinon

Question

I\'m trying to unit test a function in a file while stubbing another function in the SAME file, but the mock is not being applied and the real method is being called. Here\

Answer 1

While the above does work, it's definitely a workaround as my linter was quick to inform.

I ended up separating modules and using proxyquire. This library allows you to easily substitute any / all exports with those of your choosing, sinon stub spy or mocks included. e.g. :

in b.js

export const fnB = () => 'hey there!';

in a.js

import { fbB } from 'b.js';
export const fnA = () => fbB();

in a.test.js

import { noCallThru } from 'proxyquire';
const proxyquireStrict = noCallThru();
const stubB = stub().returns('forced result');
const moduleA = proxyquireStrict('a.js', {
    'b.js' : { fnB: stubB }
}).fnA; 

console.log(fnA()); // 'forced result'