'use strict'; var should = require('should'); var helpers = require('./_helpers'); var Promise = require('bluebird'); module.exports = function(dataSourceFactory, connectorCapabilities) { describe('ttl', function() { var CacheItem; beforeEach(function unpackContext() { CacheItem = helpers.givenCacheItem(dataSourceFactory); }); it('gets TTL when key with unexpired TTL exists - Promise API', function() { return Promise.resolve( CacheItem.set('a-key', 'a-value', { ttl: 1000 })) .delay(1) .then(function() { return CacheItem.ttl('a-key'); }) .then(function(ttl) { ttl.should.be.within(1, 1000); }); }); it('gets TTL when key with unexpired TTL exists - Callback API', function() { CacheItem.set('a-key', 'a-value', { ttl: 1000 }, function(err) { if (err) return done(err); CacheItem.ttl('a-key', function(err, ttl) { if (err) return done(err); ttl.should.be.within(1, 1000); done(); }); }); }); it('succeeds when key without TTL exists', function() { return CacheItem.set('a-key', 'a-value') .then(function() { return CacheItem.ttl('a-key'); }) .then(function(ttl) { should.not.exist(ttl); }); }); it('fails when getting TTL for a key with expired TTL', function() { return Promise.resolve( CacheItem.set('expired-key', 'a-value', { ttl: 10 })).delay(20) .then(function() { return CacheItem.ttl('expired-key'); }) .then( function() { throw new Error('ttl() should have failed'); }, function(err) { err.message.should.match(/expired-key/); err.should.have.property('statusCode', 404); }); }); it('fails when key does not exist', function() { return CacheItem.ttl('key-does-not-exist').then( function() { throw new Error('ttl() should have failed'); }, function(err) { err.message.should.match(/key-does-not-exist/); err.should.have.property('statusCode', 404); }); }); }); };