'use strict';

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

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

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

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

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

            it('if any keys exist entire operation fails', function (done) {
                client.mset(['mset1', 'val1', 'mset2', 'val2', 'mset3', 'val3'], helper.isString('OK'));
                client.MSETNX(['mset3', 'val3', 'mset4', 'val4'], helper.isNumber(0));
                client.exists(['mset4'], helper.isNumber(0, done));
            });

            it('sets multiple keys if all keys are not set', function (done) {
                client.msetnx(['mset3', 'val3', 'mset4', 'val4'], helper.isNumber(1));
                client.exists(['mset3'], helper.isNumber(1));
                client.exists(['mset3'], helper.isNumber(1, done));
            });

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