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Documentation

Client.srandmember(key)

Open source

Client.srandmember(key)

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

Parameters

Parameter	Type	Description
`key`	string	The key value holding the set to get a random member of.

Returns

Type	Resolves with	Rejected when
`Promise<string>`	On success, the promise resolves with the selected random member.	If the set doesn’t exist, the promise is rejected with an error.

Example

import redis from 'k6/experimental/redis';

// Instantiate a new redis client
const redisClient = new redis.Client('redis://localhost:6379');

export default async function () {
  await redisClient.sadd('myset', 'foo');
  await redisClient.sadd('myset', 'bar');

  const randomMember = await redisClient.srandmember('myset');
  if (randomMember !== 'foo' && randomMember !== 'bar') {
    throw new Error('randomMember should be equal to "foo" or "bar"');
  }
}