node-redis/test/commands/hlen.spec.js

'use strict';

var config = require("../lib/config");
var helper = require("../helper");
var redis = config.redis;

describe("The 'hlen' method", function () {

    helper.allTests(function(parser, ip, args) {

        describe("using " + parser + " and " + ip, function () {
            var client;

            beforeEach(function (done) {
                client = redis.createClient.apply(redis.createClient, args);
                client.once("ready", function () {
                    client.flushdb(done);
                });
            });

            it('reports the count of keys', function (done) {
                var hash = "test hash";
                var field1 = new Buffer("0123456789");
                var value1 = new Buffer("abcdefghij");
                var field2 = new Buffer(0);
                var value2 = new Buffer(0);

                client.HSET(hash, field1, value1, helper.isNumber(1));
                client.HSET(hash, field2, value2, helper.isNumber(1));
                client.HLEN(hash, helper.isNumber(2, done));
            });

            afterEach(function () {
                client.end();
            });
        });
    });
});