node-redis/lib/commands/CLUSTER_INFO.spec.ts

import { strict as assert } from 'assert';
import { itWithCluster, TestRedisClusters } from '../test-utils';
import { transformArguments, transformReply } from './CLUSTER_INFO';

describe('CLUSTER INFO', () => {
    it('transformArguments', () => {
        assert.deepEqual(
            transformArguments(),
            ['CLUSTER', 'INFO']
        );
    });

    it('transformReply', () => {
        assert.deepEqual(
            transformReply([
                'cluster_state:ok',
                'cluster_slots_assigned:16384',
                'cluster_slots_ok:16384',
                'cluster_slots_pfail:0',
                'cluster_slots_fail:0',
                'cluster_known_nodes:6',
                'cluster_size:3',
                'cluster_current_epoch:6',
                'cluster_my_epoch:2',
                'cluster_stats_messages_sent:1483972',
                'cluster_stats_messages_received:1483968'
            ].join('\r\n')),
            {
                state: 'ok',
                slots: {
                    assigned: 16384,
                    ok: 16384,
                    pfail: 0,
                    fail: 0
                },
                knownNodes: 6,
                size: 3,
                currentEpoch: 6,
                myEpoch: 2,
                stats: {
                    messagesSent: 1483972,
                    messagesReceived: 1483968
                }
            }
        );
    });

    itWithCluster(TestRedisClusters.OPEN, 'cluster.clusterInfo', async cluster => {
        const info = await cluster.clusterInfo();
        assert.equal(info.state, 'ok');
        assert.deepEqual(info.slots, {
            assigned: 16384,
            ok: 16384,
            pfail: 0,
            fail: 0
        });
        assert.equal(info.knownNodes, 3);
        assert.equal(info.size, 3);
        assert.equal(typeof info.currentEpoch, 'number');
        assert.equal(typeof info.myEpoch, 'number');
        assert.equal(typeof info.stats.messagesReceived, 'number');
        assert.equal(typeof info.stats.messagesSent, 'number');
    });
});