/** * Copyright 2014 IBM Corp. * * 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 should = require("should"); var sinon = require("sinon"); var when = require("when"); var request = require('supertest'); var express = require("express"); var nock; if (!process.version.match(/^v0\.[0-9]\./)) { // only set nock for node >= 0.10 try { nock = require('nock'); } catch (err) { // nevermind, will skip nock tests nock = null; } } var RED = require("../../red/red.js"); var redNodes = require("../../red/nodes"); var flows = require("../../red/nodes/flows"); var credentials = require("../../red/nodes/credentials"); var comms = require("../../red/comms.js"); var log = require("../../red/log.js"); var http = require('http'); var express = require('express'); var app = express(); var address = '127.0.0.1'; var listenPort = 0; // use ephemeral port var port; var url; var logSpy; var server; function helperNode(n) { RED.nodes.createNode(this, n); } module.exports = { load: function(testNode, testFlows, testCredentials, cb) { logSpy = sinon.spy(log,"log"); logSpy.FATAL = log.FATAL; logSpy.ERROR = log.ERROR; logSpy.WARN = log.WARN; logSpy.INFO = log.INFO; logSpy.DEBUG = log.DEBUG; logSpy.TRACE = log.TRACE; logSpy.METRIC = log.METRIC; if (typeof testCredentials === 'function') { cb = testCredentials; testCredentials = {}; } var storage = { getFlows: function() { var defer = when.defer(); defer.resolve(testFlows); return defer.promise; }, getCredentials: function() { var defer = when.defer(); defer.resolve(testCredentials); return defer.promise; }, saveCredentials: function() { // do nothing }, }; var settings = { available: function() { return false; } }; var red = {}; for (var i in RED) { if (RED.hasOwnProperty(i) && !/^(init|start|stop)$/.test(i)) { var propDescriptor = Object.getOwnPropertyDescriptor(RED,i); Object.defineProperty(red,i,propDescriptor); } } red["_"] = function(messageId) { return messageId; }; redNodes.init(settings, storage); credentials.init(storage,express()); RED.nodes.registerType("helper", helperNode); if (Array.isArray(testNode)) { for (var i = 0; i < testNode.length; i++) { testNode[i](red); } } else { testNode(red); } flows.load().then(function() { flows.startFlows(); should.deepEqual(testFlows, flows.getFlows()); cb(); }); }, unload: function() { // TODO: any other state to remove between tests? redNodes.clearRegistry(); logSpy.restore(); return flows.stopFlows(); }, getNode: function(id) { return flows.get(id); }, credentials: credentials, clearFlows: function() { return flows.stopFlows(); }, request: function() { return request(RED.httpAdmin); }, startServer: function(done) { server = http.createServer(function(req,res){app(req,res);}); RED.init(server, { SKIP_BUILD_CHECK: true, logging:{console:{level:'off'}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port; comms.start(); done(); }); }, //TODO consider saving TCP handshake/server reinit on start/stop/start sequences stopServer: function(done) { if(server) { try { server.close(done); } catch(e) { done(); } } }, url: function() { return url; }, nock: nock, log: function() { return logSpy;} };