Client.lrem(key, count, value)

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', 'first'))
    .then((_) => redisClient.rpush('mylist', 'second'))
    .then((_) => redisClient.lrem('mylist', 0, 'second'))
    .then((_) => redisClient.lrem('mylist', 1, 'first'))
    .then((length) => {
      if (length !== 1) {
        throw new Error('lrem operations should have left 1 item behind');
      }

      return redisClient.lpop('mylist');
    });
}