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

'use strict';

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

describe("The 'zadd' 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('reports an error', function (done) {
                if (helper.redisProcess().spawnFailed()) this.skip();
                client.zadd('infinity', [+'5t', 'should not be possible'], helper.isError(done));
            });

            it('return inf / -inf', function (done) {
                if (helper.redisProcess().spawnFailed()) this.skip();
                helper.serverVersionAtLeast.call(this, client, [3, 0, 2]);
                client.zadd('infinity', [+Infinity, 'should be inf'], helper.isNumber(1));
                client.zadd('infinity', ['inf', 'should be also be inf'], helper.isNumber(1));
                client.zadd('infinity', -Infinity, 'should be negative inf', helper.isNumber(1));
                client.zadd('infinity', [99999999999999999999999, 'should not be inf'], helper.isNumber(1));
                client.zrange('infinity', 0, -1, 'WITHSCORES', function (err, res) {
                    assert.equal(res[5], 'inf');
                    assert.equal(res[1], '-inf');
                    assert.equal(res[3], '9.9999999999999992e+22');
                    done();
                });
            });

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

});