mirror of
https://github.com/node-red/node-red.git
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683 lines
25 KiB
JavaScript
683 lines
25 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var should = require("should");
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var sinon = require('sinon');
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var NR_TEST_UTILS = require("nr-test-utils");
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var RedNode = NR_TEST_UTILS.require("@node-red/runtime/lib/nodes/Node");
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var Log = NR_TEST_UTILS.require("@node-red/util").log;
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var flows = NR_TEST_UTILS.require("@node-red/runtime/lib/nodes/flows");
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describe('Node', function() {
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describe('#constructor',function() {
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it('is called with an id and a type',function() {
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var n = new RedNode({id:'123',type:'abc'});
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n.should.have.property('id','123');
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n.should.have.property('type','abc');
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n.should.not.have.property('name');
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n.wires.should.be.empty();
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});
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it('is called with an id, a type and a name',function() {
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var n = new RedNode({id:'123',type:'abc',name:'barney'});
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n.should.have.property('id','123');
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n.should.have.property('type','abc');
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n.should.have.property('name','barney');
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n.wires.should.be.empty();
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});
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it('is called with an id, a type and some wires',function() {
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var n = new RedNode({id:'123',type:'abc',wires:['123','456']});
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n.should.have.property('id','123');
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n.should.have.property('type','abc');
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n.should.not.have.property('name');
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n.wires.should.have.length(2);
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});
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});
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describe('#close', function() {
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it('emits close event when closed',function(done) {
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var n = new RedNode({id:'123',type:'abc'});
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n.on('close',function() {
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done();
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});
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n.close();
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});
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it('returns a promise when provided a callback with a done parameter',function(testdone) {
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var n = new RedNode({id:'123',type:'abc'});
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n.on('close',function(done) {
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setTimeout(function() {
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done();
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},50);
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});
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var p = n.close();
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should.exist(p);
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p.then(function() {
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testdone();
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});
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});
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it('accepts a callback with "removed" and "done" parameters', function(testdone) {
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var n = new RedNode({id:'123',type:'abc'});
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var receivedRemoved;
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n.on('close',function(removed,done) {
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receivedRemoved = removed;
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setTimeout(function() {
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done();
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},50);
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});
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var p = n.close(true);
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should.exist(p);
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(receivedRemoved).should.be.true();
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p.then(function() {
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testdone();
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});
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})
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it('allows multiple close handlers to be registered',function(testdone) {
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var n = new RedNode({id:'123',type:'abc'});
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var callbacksClosed = 0;
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n.on('close',function(done) {
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setTimeout(function() {
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callbacksClosed++;
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done();
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},50);
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});
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n.on('close',function(done) {
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setTimeout(function() {
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callbacksClosed++;
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done();
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},75);
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});
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n.on('close',function() {
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callbacksClosed++;
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});
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var p = n.close();
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should.exist(p);
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p.then(function() {
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callbacksClosed.should.eql(3);
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testdone();
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}).catch(function(e) {
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testdone(e);
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});
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});
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});
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describe('#receive', function() {
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it('emits input event when called', function(done) {
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var n = new RedNode({id:'123',type:'abc'});
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var message = {payload:"hello world"};
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n.on('input',function(msg) {
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should.deepEqual(msg,message);
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done();
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});
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n.receive(message);
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});
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it('writes metric info with undefined msg', function(done){
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var n = new RedNode({id:'123',type:'abc'});
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n.on('input',function(msg) {
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(typeof msg).should.not.be.equal("undefined");
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(typeof msg._msgid).should.not.be.equal("undefined");
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done();
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});
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n.receive();
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});
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it('writes metric info with null msg', function(done){
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var n = new RedNode({id:'123',type:'abc'});
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n.on('input',function(msg) {
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(typeof msg).should.not.be.equal("undefined");
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(typeof msg._msgid).should.not.be.equal("undefined");
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done();
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});
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n.receive(null);
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});
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it('handles thrown errors', function(done) {
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var n = new RedNode({id:'123',type:'abc'});
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sinon.stub(n,"error",function(err,msg) {});
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var message = {payload:"hello world"};
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n.on('input',function(msg) {
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throw new Error("test error");
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});
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n.receive(message);
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setTimeout(function() {
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n.error.called.should.be.true();
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n.error.firstCall.args[1].should.equal(message);
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done();
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},50);
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});
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it('calls parent flow handleComplete when callback provided', function(done) {
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var n = new RedNode({id:'123',type:'abc', _flow: {
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handleComplete: function(node,msg) {
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try {
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msg.should.deepEqual(message);
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done();
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} catch(err) {
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done(err);
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}
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}
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}});
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var message = {payload:"hello world"};
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n.on('input',function(msg, nodeSend, nodeDone) {
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nodeDone();
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});
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n.receive(message);
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});
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it('logs error if callback provides error', function(done) {
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var n = new RedNode({id:'123',type:'abc'});
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sinon.stub(n,"error",function(err,msg) {});
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var message = {payload:"hello world"};
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n.on('input',function(msg, nodeSend, nodeDone) {
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nodeDone(new Error("test error"));
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setTimeout(function() {
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try {
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n.error.called.should.be.true();
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n.error.firstCall.args[0].toString().should.equal("Error: test error");
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n.error.firstCall.args[1].should.equal(message);
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done();
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} catch(err) {
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done(err);
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}
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},50);
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});
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n.receive(message);
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});
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});
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describe('#send', function() {
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it('emits a single message', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var message = {payload:"hello world"};
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var messageReceived = false;
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n2.on('input',function(msg) {
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// msg equals message, and is not a new copy
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messageReceived = true;
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should.strictEqual(this,n2);
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should.deepEqual(msg,message);
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should.strictEqual(msg,message);
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done();
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});
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n1.send(message);
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messageReceived.should.be.false();
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});
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it('emits a single message - multiple input event listeners', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var message = {payload:"hello world"};
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var messageReceived = 0;
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n2.on('input',function(msg) {
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// msg equals message, and is not a new copy
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messageReceived++;
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messageReceived.should.be.exactly(1);
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should.strictEqual(this,n2);
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should.deepEqual(msg,message);
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should.strictEqual(msg,message);
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});
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n2.on('input',function(msg) {
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messageReceived++;
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messageReceived.should.be.exactly(2);
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should.strictEqual(this,n2);
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should.deepEqual(msg,message);
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should.strictEqual(msg,message);
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done();
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});
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n1.send(message);
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messageReceived.should.be.exactly(0);
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});
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it('emits a single message - synchronous mode', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
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asyncMessageDelivery: false
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var message = {payload:"hello world"};
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var messageReceived = false;
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var notSyncErr;
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n2.on('input',function(msg) {
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try {
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// msg equals message, and is not a new copy
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messageReceived = true;
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should.deepEqual(msg,message);
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should.strictEqual(msg,message);
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done(notSyncErr);
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} catch(err) {
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done(err);
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}
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});
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n1.send(message);
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try {
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messageReceived.should.be.true();
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} catch(err) {
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notSyncErr = err;
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}
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});
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it('emits a message with callback provided send', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
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handleComplete: (node,msg) => {}
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var message = {payload:"hello world"};
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var messageReceived = false;
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n1.on('input',function(msg,nodeSend,nodeDone) {
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nodeSend(msg);
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nodeDone();
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});
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n2.on('input',function(msg) {
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// msg equals message, and is not a new copy
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messageReceived = true;
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should.deepEqual(msg,message);
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should.strictEqual(msg,message);
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done();
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});
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n1.receive(message);
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messageReceived.should.be.false();
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});
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it('emits multiple messages on a single output', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var messages = [
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{payload:"hello world"},
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{payload:"hello world again"}
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];
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var rcvdCount = 0;
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n2.on('input',function(msg) {
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if (rcvdCount === 0) {
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// first msg sent, don't clone
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should.deepEqual(msg,messages[rcvdCount]);
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should.strictEqual(msg,messages[rcvdCount]);
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rcvdCount += 1;
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} else {
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// second msg sent, clone
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msg.payload.should.equal(messages[rcvdCount].payload);
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should.notStrictEqual(msg,messages[rcvdCount]);
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done();
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}
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});
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n1.send([messages]);
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});
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it('emits messages to multiple outputs', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2,'n3':n3,'n4':n4,'n5':n5}[id]},
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};
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var n1 = new RedNode({_flow:flow, id:'n1',type:'abc',wires:[['n2'],['n3'],['n4','n5']]});
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var n2 = new RedNode({_flow:flow, id:'n2',type:'abc'});
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var n3 = new RedNode({_flow:flow, id:'n3',type:'abc'});
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var n4 = new RedNode({_flow:flow, id:'n4',type:'abc'});
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var n5 = new RedNode({_flow:flow, id:'n5',type:'abc'});
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var messages = [
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{payload:"hello world"},
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null,
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{payload:"hello world again"}
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];
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var rcvdCount = 0;
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// first message sent, don't clone
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// message uuids should match
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n2.on('input',function(msg) {
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should.deepEqual(msg,messages[0]);
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should.strictEqual(msg,messages[0]);
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rcvdCount += 1;
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if (rcvdCount == 3) {
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done();
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}
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});
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n3.on('input',function(msg) {
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should.fail(null,null,"unexpected message");
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});
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// second message sent, clone
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// message uuids wont match since we've cloned
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n4.on('input',function(msg) {
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msg.payload.should.equal(messages[2].payload);
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should.notStrictEqual(msg,messages[2]);
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rcvdCount += 1;
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if (rcvdCount == 3) {
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done();
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}
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});
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// third message sent, clone
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// message uuids wont match since we've cloned
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n5.on('input',function(msg) {
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msg.payload.should.equal(messages[2].payload);
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should.notStrictEqual(msg,messages[2]);
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rcvdCount += 1;
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if (rcvdCount == 3) {
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done();
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}
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});
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n1.send(messages);
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});
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it('emits no messages', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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n2.on('input',function(msg) {
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should.fail(null,null,"unexpected message");
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});
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setTimeout(function() {
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done();
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}, 200);
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n1.send();
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});
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it('emits messages ignoring non-existent nodes', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n9'],['n2']]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var messages = [
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{payload:"hello world"},
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{payload:"hello world again"}
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];
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// only one message sent, so no copy needed
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n2.on('input',function(msg) {
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should.deepEqual(msg,messages[1]);
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should.strictEqual(msg,messages[1]);
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done();
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});
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n1.send(messages);
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});
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it('emits messages without cloning req or res', function(done) {
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var flow = {
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getNode: (id) => { return {'n1':n1,'n2':n2,'n3':n3}[id]},
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};
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var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[[['n2'],['n3']]]});
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var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var n3 = new RedNode({_flow:flow,id:'n3',type:'abc'});
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var req = {};
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var res = {};
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var cloned = {};
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var message = {payload: "foo", cloned: cloned, req: req, res: res};
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var rcvdCount = 0;
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// first message to be sent, so should not be cloned
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n2.on('input',function(msg) {
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should.deepEqual(msg, message);
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msg.cloned.should.be.exactly(message.cloned);
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msg.req.should.be.exactly(message.req);
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msg.res.should.be.exactly(message.res);
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rcvdCount += 1;
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if (rcvdCount == 2) {
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done();
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}
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});
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// second message to be sent, so should be cloned
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// message uuids wont match since we've cloned
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n3.on('input',function(msg) {
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msg.payload.should.equal(message.payload);
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msg.cloned.should.not.be.exactly(message.cloned);
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msg.req.should.be.exactly(message.req);
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msg.res.should.be.exactly(message.res);
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rcvdCount += 1;
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if (rcvdCount == 2) {
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done();
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}
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});
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n1.send(message);
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});
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it("logs the uuid for all messages sent", function(done) {
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var logHandler = {
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msgIds:[],
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messagesSent: 0,
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emit: function(event, msg) {
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if (msg.event == "node.abc.send" && msg.level == Log.METRIC) {
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this.messagesSent++;
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this.msgIds.push(msg.msgid);
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(typeof msg.msgid).should.not.be.equal("undefined");
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}
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}
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};
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Log.addHandler(logHandler);
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var flow = {
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getNode: (id) => { return {'n1':sender,'n2':receiver1,'n3':receiver2}[id]},
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};
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var sender = new RedNode({_flow:flow,id:'n1',type:'abc', wires:[['n2', 'n3']]});
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var receiver1 = new RedNode({_flow:flow,id:'n2',type:'abc'});
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var receiver2 = new RedNode({_flow:flow,id:'n3',type:'abc'});
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sender.send({"some": "message"});
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setTimeout(function() {
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try {
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logHandler.messagesSent.should.equal(1);
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should.exist(logHandler.msgIds[0])
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Log.removeHandler(logHandler);
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done();
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|
} catch(err) {
|
|
Log.removeHandler(logHandler);
|
|
done(err);
|
|
}
|
|
},50)
|
|
})
|
|
});
|
|
|
|
|
|
describe('#log', function() {
|
|
it('produces a log message', function(done) {
|
|
var n = new RedNode({id:'123',type:'abc',z:'789'});
|
|
var loginfo = {};
|
|
sinon.stub(Log, 'log', function(msg) {
|
|
loginfo = msg;
|
|
});
|
|
n.log("a log message");
|
|
should.deepEqual({level:Log.INFO, id:n.id,
|
|
type:n.type, msg:"a log message",z:'789'}, loginfo);
|
|
Log.log.restore();
|
|
done();
|
|
});
|
|
it('produces a log message with a name', function(done) {
|
|
var n = new RedNode({id:'123', type:'abc', name:"barney", z:'789'});
|
|
var loginfo = {};
|
|
sinon.stub(Log, 'log', function(msg) {
|
|
loginfo = msg;
|
|
});
|
|
n.log("a log message");
|
|
should.deepEqual({level:Log.INFO, id:n.id, name: "barney",
|
|
type:n.type, msg:"a log message",z:'789'}, loginfo);
|
|
Log.log.restore();
|
|
done();
|
|
});
|
|
});
|
|
|
|
describe('#warn', function() {
|
|
it('produces a warning message', function(done) {
|
|
var n = new RedNode({id:'123',type:'abc',z:'789'});
|
|
var loginfo = {};
|
|
sinon.stub(Log, 'log', function(msg) {
|
|
loginfo = msg;
|
|
});
|
|
n.warn("a warning");
|
|
should.deepEqual({level:Log.WARN, id:n.id,
|
|
type:n.type, msg:"a warning",z:'789'}, loginfo);
|
|
Log.log.restore();
|
|
done();
|
|
});
|
|
});
|
|
|
|
describe('#error', function() {
|
|
it('handles a null error message', function(done) {
|
|
var flow = {
|
|
handleError: sinon.stub()
|
|
}
|
|
var n = new RedNode({_flow:flow, id:'123',type:'abc',z:'789'});
|
|
var message = {a:1};
|
|
n.error(null,message);
|
|
|
|
flow.handleError.called.should.be.true();
|
|
flow.handleError.args[0][0].should.eql(n);
|
|
flow.handleError.args[0][1].should.eql("");
|
|
flow.handleError.args[0][2].should.eql(message);
|
|
|
|
done();
|
|
});
|
|
|
|
it('produces an error message', function(done) {
|
|
var flow = {
|
|
handleError: sinon.stub()
|
|
}
|
|
var n = new RedNode({_flow:flow, id:'123',type:'abc',z:'789'});
|
|
var message = {a:2};
|
|
|
|
n.error("This is an error",message);
|
|
|
|
flow.handleError.called.should.be.true();
|
|
flow.handleError.args[0][0].should.eql(n);
|
|
flow.handleError.args[0][1].should.eql("This is an error");
|
|
flow.handleError.args[0][2].should.eql(message);
|
|
|
|
done();
|
|
});
|
|
|
|
});
|
|
|
|
describe('#metric', function() {
|
|
it('produces a metric message', function(done) {
|
|
var n = new RedNode({id:'123',type:'abc'});
|
|
var loginfo = {};
|
|
sinon.stub(Log, 'log', function(msg) {
|
|
loginfo = msg;
|
|
});
|
|
var msg = {payload:"foo", _msgid:"987654321"};
|
|
n.metric("test.metric",msg,"15mb");
|
|
should.deepEqual({value:"15mb", level:Log.METRIC, nodeid:n.id,
|
|
event:"node.abc.test.metric",msgid:"987654321"}, loginfo);
|
|
Log.log.restore();
|
|
done();
|
|
});
|
|
});
|
|
|
|
describe('#metric', function() {
|
|
it('returns metric value if eventname undefined', function(done) {
|
|
var n = new RedNode({id:'123',type:'abc'});
|
|
var loginfo = {};
|
|
sinon.stub(Log, 'log', function(msg) {
|
|
loginfo = msg;
|
|
});
|
|
var msg = {payload:"foo", _msgid:"987654321"};
|
|
var m = n.metric(undefined,msg,"15mb");
|
|
m.should.be.a.Boolean();
|
|
Log.log.restore();
|
|
done();
|
|
});
|
|
it('returns not defined if eventname defined', function(done) {
|
|
var n = new RedNode({id:'123',type:'abc'});
|
|
var loginfo = {};
|
|
sinon.stub(Log, 'log', function(msg) {
|
|
loginfo = msg;
|
|
});
|
|
var msg = {payload:"foo", _msgid:"987654321"};
|
|
var m = n.metric("info",msg,"15mb");
|
|
should(m).be.undefined;
|
|
Log.log.restore();
|
|
done();
|
|
});
|
|
});
|
|
|
|
describe('#status', function() {
|
|
it('publishes status', function(done) {
|
|
var flow = {
|
|
handleStatus: sinon.stub()
|
|
}
|
|
var n = new RedNode({_flow:flow,id:'123',type:'abc'});
|
|
var status = {fill:"green",shape:"dot",text:"connected"};
|
|
|
|
n.status(status);
|
|
|
|
flow.handleStatus.called.should.be.true();
|
|
flow.handleStatus.args[0][0].should.eql(n);
|
|
flow.handleStatus.args[0][1].should.eql(status);
|
|
done();
|
|
});
|
|
it('publishes status for plain string', function(done) {
|
|
var flow = { handleStatus: sinon.stub() }
|
|
var n = new RedNode({_flow:flow,id:'123',type:'abc'});
|
|
n.status("text status");
|
|
flow.handleStatus.called.should.be.true();
|
|
flow.handleStatus.args[0][0].should.eql(n);
|
|
flow.handleStatus.args[0][1].should.eql({text:"text status"});
|
|
done();
|
|
});
|
|
it('publishes status for plain boolean', function(done) {
|
|
var flow = { handleStatus: sinon.stub() }
|
|
var n = new RedNode({_flow:flow,id:'123',type:'abc'});
|
|
n.status(false);
|
|
flow.handleStatus.called.should.be.true();
|
|
flow.handleStatus.args[0][0].should.eql(n);
|
|
flow.handleStatus.args[0][1].should.eql({text:"false"});
|
|
done();
|
|
});
|
|
it('publishes status for plain number', function(done) {
|
|
var flow = { handleStatus: sinon.stub() }
|
|
var n = new RedNode({_flow:flow,id:'123',type:'abc'});
|
|
n.status(123);
|
|
flow.handleStatus.called.should.be.true();
|
|
flow.handleStatus.args[0][0].should.eql(n);
|
|
flow.handleStatus.args[0][1].should.eql({text:"123"});
|
|
done();
|
|
});
|
|
});
|
|
|
|
});
|