/**
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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 helper = require("../index.js");
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helper.init(require.resolve('node-red'));
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var functionNode = require("./nodes/80-function.js");
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describe('function node', function() {
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before(function(done) {
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helper.startServer(done);
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});
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after(function(done) {
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helper.stopServer(done);
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});
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afterEach(function() {
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helper.unload();
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});
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it('should be loaded', function(done) {
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var flow = [{id:"n1", type:"function", name: "function" }];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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n1.should.have.property('name', 'function');
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done();
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});
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});
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it('should send returned message', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should send returned message using send()', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"node.send(msg);"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should pass through _topic', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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msg.should.have.property('_topic', 'baz');
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done();
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});
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n1.receive({payload:"foo",topic: "bar", _topic: "baz"});
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});
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});
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it('should send to multiple outputs', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"],["n3"]],
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func:"return [{payload: '1'},{payload: '2'}];"},
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{id:"n2", type:"helper"}, {id:"n3", type:"helper"} ];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var n3 = helper.getNode("n3");
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var count = 0;
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n2.on("input", function(msg) {
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should(msg).have.property('payload', '1');
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count++;
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if (count == 2) {
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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(msg).have.property('payload', '2');
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count++;
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if (count == 2) {
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done();
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}
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should send to multiple messages', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],
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func:"return [[{payload: 1},{payload: 2}]];"},
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{id:"n2", type:"helper"} ];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var count = 0;
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n2.on("input", function(msg) {
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count++;
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try {
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should(msg).have.property('payload', count);
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should(msg).have.property('_msgid', 1234);
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if (count == 2) {
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done();
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}
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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.receive({payload:"foo", topic: "bar",_msgid:1234});
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});
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});
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it('should allow input to be discarded by returning null', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return null"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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setTimeout(function() {
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done();
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}, 20);
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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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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should handle null amongst valid messages', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return [[msg,null,msg],null]"},
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{id:"n2", type:"helper"},
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{id:"n3", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var n3 = helper.getNode("n3");
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var n2MsgCount = 0;
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var n3MsgCount = 0;
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n2.on("input", function(msg) {
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n2MsgCount++;
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});
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n3.on("input", function(msg) {
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n3MsgCount++;
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});
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n1.receive({payload:"foo",topic: "bar"});
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setTimeout(function() {
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n2MsgCount.should.equal(2);
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n3MsgCount.should.equal(0);
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done();
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},20);
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});
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});
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it('should get keys in global context', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=global.keys();return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().global.set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', ['count']);
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should access functionGlobalContext set via herlp settings()', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=global.get('foo');return msg;"},
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{id:"n2", type:"helper"}];
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helper.settings({
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functionGlobalContext: {
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foo: (function() {
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return 'bar';
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})(),
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},
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});
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', 'bar');
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done();
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});
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n1.receive({payload:"replaceme"});
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});
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helper.settings({});
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});
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function testNonObjectMessage(functionText,done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:functionText},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var n2MsgCount = 0;
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n2.on("input", function(msg) {
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n2MsgCount++;
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});
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n1.receive({});
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setTimeout(function() {
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try {
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n2MsgCount.should.equal(0);
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "function";
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});
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logEvents.should.have.length(1);
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var msg = logEvents[0][0];
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msg.should.have.property('level', helper.log().ERROR);
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msg.should.have.property('id', 'n1');
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msg.should.have.property('type', 'function');
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msg.should.have.property('msg', 'function.error.non-message-returned');
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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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},20);
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});
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}
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it('should drop and log non-object message types - string', function(done) {
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testNonObjectMessage('return "foo"', done)
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});
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it('should drop and log non-object message types - buffer', function(done) {
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testNonObjectMessage('return new Buffer("hello")', done)
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});
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it('should drop and log non-object message types - array', function(done) {
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testNonObjectMessage('return [[[1,2,3]]]', done)
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});
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it('should drop and log non-object message types - boolean', function(done) {
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testNonObjectMessage('return true', done)
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});
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it('should drop and log non-object message types - number', function(done) {
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testNonObjectMessage('return 123', done)
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});
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it('should handle and log script error', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"retunr"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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n1.receive({payload:"foo",topic: "bar"});
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try {
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helper.log().called.should.be.true();
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "function";
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});
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logEvents.should.have.length(1);
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var msg = logEvents[0][0];
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msg.should.have.property('level', helper.log().ERROR);
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msg.should.have.property('id', 'n1');
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msg.should.have.property('type', 'function');
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msg.should.have.property('msg', 'ReferenceError: retunr is not defined (line 1, col 1)');
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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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it('should handle node.on()', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"node.on('close',function(){node.log('closed')});"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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n1.receive({payload:"foo",topic: "bar"});
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helper.getNode("n1").close();
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try {
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helper.log().called.should.be.true();
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "function";
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});
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logEvents.should.have.length(1);
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var msg = logEvents[0][0];
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msg.should.have.property('level', helper.log().INFO);
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msg.should.have.property('id', 'n1');
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msg.should.have.property('type', 'function');
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msg.should.have.property('msg', 'closed');
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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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it('should set node context', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"context.set('count','0');return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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n1.context().get("count").should.equal("0");
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should get node context', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.get('count');return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', '0');
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should get keys in node context', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.keys();return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', ['count']);
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should set flow context', function(done) {
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var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"flow.set('count','0');return msg;"},
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{id:"n2", type:"helper",z:"flowA"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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n2.context().flow.get("count").should.equal("0");
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should get flow context', function(done) {
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var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=flow.get('count');return msg;"},
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{id:"n2", type:"helper",z:"flowA"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().flow.set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', '0');
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should get flow context', function(done) {
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var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=context.flow.get('count');return msg;"},
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{id:"n2", type:"helper",z:"flowA"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().flow.set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', '0');
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should get keys in flow context', function(done) {
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var flow = [{id:"n1",type:"function",z:"flowA",wires:[["n2"]],func:"msg.payload=flow.keys();return msg;"},
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{id:"n2", type:"helper",z:"flowA"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().flow.set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', ['count']);
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should set global context', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"global.set('count','0');return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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n2.context().global.get("count").should.equal("0");
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should get global context', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=global.get('count');return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().global.set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', '0');
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should get global context', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"msg.payload=context.global.get('count');return msg;"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n1.context().global.set("count","0");
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', '0');
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done();
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should handle setTimeout()', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"setTimeout(function(){node.send(msg);},1000);"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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var endTime = process.hrtime(startTime);
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var nanoTime = endTime[0] * 1000000000 + endTime[1];
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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if (900000000 < nanoTime && nanoTime < 1100000000) {
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done();
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} else {
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try {
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should.fail(null, null, "Delayed time was not between 900 and 1100 ms");
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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 startTime = process.hrtime();
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
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it('should handle setInterval()', function(done) {
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var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"setInterval(function(){node.send(msg);},100);"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var count = 0;
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n2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('payload', 'foo');
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count++;
|
if (count > 2) {
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done();
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}
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});
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n1.receive({payload:"foo",topic: "bar"});
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});
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});
|
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it('should handle clearInterval()', function(done) {
|
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"var id=setInterval(null,100);setTimeout(function(){clearInterval(id);node.send(msg);},1000);"},
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{id:"n2", type:"helper"}];
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helper.load(functionNode, flow, function() {
|
var n1 = helper.getNode("n1");
|
var n2 = helper.getNode("n2");
|
n2.on("input", function(msg) {
|
msg.should.have.property('topic', 'bar');
|
msg.should.have.property('payload', 'foo');
|
done();
|
});
|
n1.receive({payload:"foo",topic: "bar"});
|
});
|
});
|
|
describe('Logger', function () {
|
it('should log an Info Message', function (done) {
|
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.log('test');"}];
|
helper.load(functionNode, flow, function () {
|
var n1 = helper.getNode("n1");
|
n1.receive({payload: "foo", topic: "bar"});
|
try {
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helper.log().called.should.be.true();
|
var logEvents = helper.log().args.filter(function (evt) {
|
return evt[0].type == "function";
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});
|
logEvents.should.have.length(1);
|
var msg = logEvents[0][0];
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msg.should.have.property('level', helper.log().INFO);
|
msg.should.have.property('id', 'n1');
|
msg.should.have.property('type', 'function');
|
msg.should.have.property('msg', 'test');
|
done();
|
} catch (err) {
|
done(err);
|
}
|
});
|
});
|
it('should log a Warning Message', function (done) {
|
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.warn('test');"}];
|
helper.load(functionNode, flow, function () {
|
var n1 = helper.getNode("n1");
|
n1.receive({payload: "foo", topic: "bar"});
|
try {
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helper.log().called.should.be.true();
|
var logEvents = helper.log().args.filter(function (evt) {
|
return evt[0].type == "function";
|
});
|
logEvents.should.have.length(1);
|
var msg = logEvents[0][0];
|
msg.should.have.property('level', helper.log().WARN);
|
msg.should.have.property('id', 'n1');
|
msg.should.have.property('type', 'function');
|
msg.should.have.property('msg', 'test');
|
done();
|
} catch (err) {
|
done(err);
|
}
|
});
|
});
|
it('should log an Error Message', function (done) {
|
var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.error('test');"}];
|
helper.load(functionNode, flow, function () {
|
var n1 = helper.getNode("n1");
|
n1.receive({payload: "foo", topic: "bar"});
|
try {
|
helper.log().called.should.be.true();
|
var logEvents = helper.log().args.filter(function (evt) {
|
return evt[0].type == "function";
|
});
|
logEvents.should.have.length(1);
|
var msg = logEvents[0][0];
|
msg.should.have.property('level', helper.log().ERROR);
|
msg.should.have.property('id', 'n1');
|
msg.should.have.property('type', 'function');
|
msg.should.have.property('msg', 'test');
|
done();
|
} catch (err) {
|
done(err);
|
}
|
});
|
});
|
});
|
|
});
|
