loopback-datasource-juggler/test/kvao/expire.suite.js

71 lines
2.4 KiB
JavaScript

'use strict';
var bdd = require('../helpers/bdd-if');
var should = require('should');
var helpers = require('./_helpers');
module.exports = function(dataSourceFactory, connectorCapabilities) {
// While we support millisecond precision, for the purpose of tests
// it's better to use intervals at least 10ms long.
var ttlPrecision = connectorCapabilities.ttlPrecision || 10;
var canExpire = connectorCapabilities.canExpire !== false;
bdd.describeIf(canExpire, 'expire', function() {
var CacheItem;
beforeEach(setupCacheItem);
it('sets key ttl - Callback API', function(done) {
CacheItem.set('a-key', 'a-value', function(err) {
if (err) return done(err);
CacheItem.expire('a-key', ttlPrecision, function(err) {
if (err) return done(err);
setTimeout(function() {
CacheItem.get('a-key', function(err, value) {
if (err) return done(err);
should.equal(value, null);
done();
});
}, 2 * ttlPrecision);
});
});
});
it('sets key ttl - Promise API', function() {
return CacheItem.set('a-key', 'a-value')
.then(function() { return CacheItem.expire('a-key', ttlPrecision); })
.then(() => helpers.delay(2 * ttlPrecision))
.then(function() { return CacheItem.get('a-key'); })
.then(function(value) { should.equal(value, null); });
});
it('returns error when expiring a key that has expired', function() {
return Promise.resolve(CacheItem.set('expired-key', 'a-value', ttlPrecision))
.then(() => helpers.delay(2 * ttlPrecision))
.then(function() { return CacheItem.expire('expired-key', 1000); })
.then(
function() { throw new Error('expire() should have failed'); },
function(err) {
err.message.should.match(/expired-key/);
err.should.have.property('statusCode', 404);
}
);
});
it('returns error when key does not exist', function() {
return CacheItem.expire('key-does-not-exist', ttlPrecision).then(
function() { throw new Error('expire() should have failed'); },
function(err) {
err.message.should.match(/key-does-not-exist/);
err.should.have.property('statusCode', 404);
}
);
});
function setupCacheItem() {
return helpers.givenCacheItem(dataSourceFactory)
.then(ModelCtor => CacheItem = ModelCtor);
};
});
};