Client.lrange(key, start, stop)

import redis from 'k6/experimental/redis';

// Get the redis instance(s) address and password from the environment
const redis_addrs = __ENV.REDIS_ADDRS || '';
const redis_password = __ENV.REDIS_PASSWORD || '';

// Instantiate a new redis client
const redisClient = new redis.Client({
  addrs: redis_addrs.split(',') || new Array('localhost:6379'), // in the form of 'host:port', separated by commas
  password: redis_password,
});

export default function () {
  redisClient
    .rpush('mylist', 'first')
    .then((_) => redisClient.rpush('mylist', 'second'))
    .then((_) => redisClient.rpush('mylist', 'third'))
    .then((_) => redisClient.lindex('mylist', 0))
    .then((item) => {
      if (item !== 'first') {
        throw new Error('lindex operation should have returned first');
      }

      return redisClient.lrange('mylist', 1, 2);
    });
}