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backendlocker.js
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backendlocker.js
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// Copyright 2015 rain1017.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License. See the AUTHORS file
// for names of contributors.
'use strict';
var P = require('bluebird');
var should = require('should');
var logger = require('memdb-logger').getLogger('test', __filename);
var BackendLocker = require('../../app/backendlocker');
var env = require('../env');
describe('backendlocker test', function(){
it('locker / heartbeat', function(cb){
var docKey = 'player$p1', shardId = 's1';
var locker = new BackendLocker({
host : env.config.locking.host,
port : env.config.locking.port,
db : env.config.locking.db,
shardId : shardId,
heartbeatTimeout : 2000,
heartbeatInterval : 1000,
});
return P.try(function(){
return locker.start();
})
.then(function(){
return locker.tryLock(docKey);
})
.then(function(){
return locker.getHolderId(docKey)
.then(function(ret){
ret.should.eql(shardId);
});
})
.then(function(ret){
return locker.isHeld(docKey)
.then(function(ret){
ret.should.be.true; //jshint ignore:line
});
})
.then(function(){
// Can't lock again
return locker.tryLock(docKey)
.then(function(ret){
ret.should.be.false; //jshint ignore:line
});
})
.then(function(){
return locker.unlock(docKey);
})
.finally(function(){
return locker.stop();
})
.nodeify(cb);
});
});