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Grafana k6 JavaScript API k6/experimental redis Client Client.srandmember(key)
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Client.srandmember(key)

Returns a random element from the set value stored at key.

Parameters

ParameterTypeDescription
keystringkey holding the set to get a random member of.

Returns

TypeResolves withRejected when
Promise<string>On success, the promise resolves with the selected random member.If the set does not exist, the promise is rejected with an error.

Example

JavaScript 
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 async function () {
  await redisClient.sadd('myset', 'foo');
  await redisClient.sadd('myset', 'bar');
  await redisClient.spop('myset', 'foo');

  const members = await redisClient.smembers('myset');
  if (members.length !== 1) {
    throw new Error('sismember should have length 1');
  }
}