72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
'use strict';
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var bdd = require('../helpers/bdd-if');
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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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// While we support millisecond precision, for the purpose of tests
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// it's better to use intervals at least 10ms long.
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var ttlPrecision = connectorCapabilities.ttlPrecision || 10;
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var canExpire = connectorCapabilities.canExpire !== false;
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bdd.describeIf(canExpire, 'expire', function() {
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var CacheItem;
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beforeEach(setupCacheItem);
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it('sets key ttl - Callback API', function(done) {
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CacheItem.set('a-key', 'a-value', function(err) {
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if (err) return done(err);
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CacheItem.expire('a-key', ttlPrecision, function(err) {
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if (err) return done(err);
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setTimeout(function() {
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CacheItem.get('a-key', function(err, value) {
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if (err) return done(err);
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should.equal(value, null);
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done();
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});
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}, 2 * ttlPrecision);
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});
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});
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});
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it('sets key ttl - Promise API', function() {
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return CacheItem.set('a-key', 'a-value')
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.then(function() { return CacheItem.expire('a-key', ttlPrecision); })
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.delay(2 * ttlPrecision)
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.then(function() { return CacheItem.get('a-key'); })
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.then(function(value) { should.equal(value, null); });
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});
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it('returns error when expiring a key that has expired', function() {
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return Promise.resolve(CacheItem.set('expired-key', 'a-value', ttlPrecision))
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.delay(2 * ttlPrecision)
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.then(function() { return CacheItem.expire('expired-key', 1000); })
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.then(
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function() { throw new Error('expire() should have failed'); },
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function(err) {
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err.message.should.match(/expired-key/);
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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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it('returns error when key does not exist', function() {
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return CacheItem.expire('key-does-not-exist', ttlPrecision).then(
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function() { throw new Error('expire() 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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function setupCacheItem() {
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return helpers.givenCacheItem(dataSourceFactory)
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.then(ModelCtor => CacheItem = ModelCtor);
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};
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});
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};
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