jest mock library for async-redis deps, it has to be in __mock__ dir

async-redis.js

let mock = { mock: true };

const client = {
  set: function() {
  },
  get: function() {
    return JSON.stringify(mock)
  },
  quit: function() {
  }
}

function setExpectation(_mock) {
  mock = _mock;
}

function createClient() {
  return client;
}

module.exports = {
  createClient,
  setExpectation
}

test.js

const asyncRedis = require('async-redis');

describe('something', () => {
  it('test', async () => {
    asyncRedis.setExpectation({ success: true });
  });
});