| // 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. |
| |
| var util = require('util'), |
| events = require('events'), |
| helpers = require('../helpers/helpers.js'), |
| request = require('request'); |
| |
| function CheckForStringNotPresent () { |
| events.EventEmitter.call(this); |
| } |
| |
| // inherit from node's event emitter |
| util.inherits(CheckForStringNotPresent, events.EventEmitter); |
| |
| CheckForStringNotPresent.prototype.command = function (path, string, timeout) { |
| var couchUrl = helpers.test_settings.db_url, |
| db = helpers.testDatabaseName; |
| |
| if (!timeout) { |
| timeout = helpers.maxWaitTime; |
| } |
| |
| var timeOutId = setTimeout(function () { |
| throw new Error('timeout waiting for string to disappear'); |
| }, timeout); |
| |
| var intervalId = setInterval(function () { |
| var url = [couchUrl, path].join('/'); |
| |
| request(url, function (er, res, body) { |
| if (body) { |
| if (body.indexOf(string) === -1) { |
| clearTimeout(timeOutId); |
| console.log('string disappeared: ' + string); |
| clearInterval(intervalId); |
| this.emit('complete'); |
| } |
| } |
| }.bind(this)); |
| }.bind(this), 1000); |
| |
| return this; |
| }; |
| |
| module.exports = CheckForStringNotPresent; |