"Proxyquire" inside the Jest

preoxyquire.js

// anywhere
import proxyquire from '....../proxyquire.js'

// proxyquire.js
// use rewiremock to mock proxyquire
import rewiremock, { addPlugin, plugins, overrideEntryPoint } from 'rewiremock';
import stackTrace from 'stack-trace';

rewiremock.requireActual('babel-register');

if (typeof jest !== 'undefined') {
  // BYPASS JEST SANDBOX
  
  // get the original test file location
  const originalCaller = stackTrace
    .get()
    .map(stack => stack.getFileName())
    .filter(a => !!a)                                        // some files has no name 
    .filter(a => a.indexOf('/') === 0)                       // some are virtial (ok, this will not in Win32)  
    .filter(a => a.indexOf(module.filename) < 0)             // and this is not THIS file
    .filter(stack => stack.indexOf('node_modules') < 0)[0];  // and not node_modules (aka Jest internals)
  /**/
  
  // fake module parent
  rewiremock.overrideEntryPoint({
    ...module,
    id: originalCaller,
    filename: originalCaller
  });
}

// nodejs relative imports
addPlugin(plugins.relative);


let noCallThru = false;

const convertStubs = (stubs) => {
  Object.keys(stubs).forEach(key => {
    const stub = stubs[key];
    const mock = rewiremock(key)
      .with(stub)
      .directChildOnly()  // emulate proxyquire behavior
      .toBeUsed();
      .toMatchOrigin();

    // default is callthru
    if (!noCallThru) {
      mock.callThrough();
    }
  });
};

const rewireproxy = (file, stubs) => rewireproxy.load(file, stubs);

rewireproxy.noCallThru = () => {
  noCallThru = true;
  return rewireproxy;
};

// just fake it
rewireproxy.noPreserveCache = () => rewireproxy;

rewireproxy.load = (file, stubs) => {
  let result = 0;
  rewiremock.inScope(() => {
    convertStubs(stubs);
    result = rewiremock.proxy(file, {});
  });
  return result;
};

export default rewireproxy;