70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
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'use strict';
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var should = require('should');
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var helpers = require('./_helpers');
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var Promise = require('bluebird');
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module.exports = function(dataSourceFactory, connectorCapabilities) {
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describe('ttl', function() {
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var CacheItem;
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beforeEach(function unpackContext() {
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CacheItem = helpers.givenCacheItem(dataSourceFactory);
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});
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it('returns an error when key does not exist', function() {
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return CacheItem.ttl('key-does-not-exist').then(
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function() { throw new Error('ttl() should have failed'); },
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function(err) {
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err.message.should.match(/key-does-not-exist/);
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err.should.have.property('statusCode', 404);
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});
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});
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it('returns `undefined` when key does not expire', function() {
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return CacheItem.set('a-key', 'a-value')
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.then(function() { return CacheItem.ttl('a-key'); })
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.then(function(ttl) { should.not.exist(ttl); });
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});
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context('existing key with expire before expiration time', function() {
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it('returns ttl - Callback API', function(done) {
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CacheItem.set('a-key', 'a-value', 10, function(err) {
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if (err) return done(err);
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CacheItem.ttl('a-key', function(err, ttl) {
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if (err) return done(err);
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ttl.should.be.within(0, 10);
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done();
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});
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});
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});
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it('returns ttl - Promise API', function() {
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return Promise.resolve(
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CacheItem.set('a-key', 'a-value', 10)
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)
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.delay(1)
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.then(function() { return CacheItem.ttl('a-key'); })
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.then(function(ttl) { ttl.should.be.within(0, 10); });
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});
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});
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context('existing key with expire after expiration time', function(done) {
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it('returns an error', function() {
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return Promise.resolve(
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CacheItem.set('key-does-not-exist', 'a-value', 10)
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)
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.delay(20)
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.then(function() {
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return CacheItem.ttl('key-does-not-exist');
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})
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.then(
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function() { throw new Error('ttl() should have failed'); },
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function(err) {
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err.message.should.match(/key-does-not-exist/);
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err.should.have.property('statusCode', 404);
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});
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});
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});
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});
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};
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