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

'use strict'

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

describe('The \'ttl\' method', function () {
  helper.allTests(function (ip, args) {
    describe('using ' + ip, function () {
      var client

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

      it('returns the current ttl on a key', function (done) {
        client.set(['ttl key', 'ttl val'], helper.isString('OK'))
        client.expire(['ttl key', '100'], helper.isNumber(1))
        client.ttl(['ttl key'], function (err, ttl) {
          assert(ttl >= 99)
          assert(ttl <= 100)
          done(err)
        })
      })

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