redis mock require example

mock.js

const Module = require('module')
const originalRequire = Module.prototype.require
const Redis = require('ioredis-mock')

Module.prototype.require = function () {
  const filePath = Array.prototype.concat.apply([], arguments)[0]
  if (!filePath.includes('setup/redis')) {
    return originalRequire.apply(this, arguments)
  }

  const mockRedis = new Redis({
    data: {
      'comments:stats.total': 'ciao'
    }
  })

  return mockRedis
}