mirror of
https://github.com/node-red/node-red.git
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503 lines
24 KiB
JavaScript
503 lines
24 KiB
JavaScript
/**
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* Copyright 2014, 2015 IBM Corp.
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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 changeNode = require("../../../../nodes/core/logic/15-change.js");
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var helper = require("../../helper.js");
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var Log = require("../../../../red/log.js");
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describe('change Node', function() {
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beforeEach(function(done) {
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helper.startServer(done);
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});
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afterEach(function(done) {
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helper.unload();
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helper.stopServer(done);
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});
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it('should load node with defaults', function(done) {
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var flow = [{ id: "c1", type: "change", name:"change1" }];
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helper.load(changeNode, flow, function() {
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helper.getNode("c1").should.have.property("name", "change1");
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helper.getNode("c1").should.have.property("rules", [{t:undefined,p:''}]);
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done();
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});
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});
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it('should load defaults if set to replace', function(done) {
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var flow = [{ id: "c1", type: "change", name:"change1", action:"replace" }];
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helper.load(changeNode, flow, function() {
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helper.getNode("c1").should.have.property("name", "change1");
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helper.getNode("c1").should.have.property("rules", [ { p: '', t: 'set', to: '' } ]);
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done();
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});
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});
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it('should load defaults if set to change', function(done) {
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var flow = [{ id: "c1", type: "change", name:"change1", action:"change" }];
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helper.load(changeNode, flow, function() {
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//console.log(helper.getNode("c1"));
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helper.getNode("c1").should.have.property("name", "change1");
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helper.getNode("c1").should.have.property("rules", [ { from: /(?:)/g, p: '', re: undefined, t: 'change', to: '' } ]);
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done();
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});
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});
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describe('#replace' , function() {
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it('sets the value of the message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"changed","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal("changed");
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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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changeNode1.receive({payload:"changeMe"});
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});
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});
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it('sets the value of an already set multi-level message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"foo.bar","from":"","to":"bar","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.foo.bar.should.equal("bar");
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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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changeNode1.receive({foo:{bar:"foo"}});
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});
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});
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it('sets the value of an empty multi-level message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"foo.bar","from":"","to":"bar","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.foo.bar.should.equal("bar");
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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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changeNode1.receive({});
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});
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});
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it('sets the value of a message property to another message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"foo","from":"","to":"msg.fred","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.foo.should.equal("bar");
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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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changeNode1.receive({fred:"bar"});
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});
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});
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it('sets the value of a multi-level message property to another multi-level message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"foo.bar","from":"","to":"msg.fred.red","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.foo.bar.should.equal("bar");
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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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changeNode1.receive({fred:{red:"bar"}});
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});
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});
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it('doesn\'t set the value of a message property when the \'to\' message property does not exist', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"foo.bar","from":"","to":"msg.fred.red","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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should.not.exist(msg.foo);
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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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changeNode1.receive({});
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});
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});
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it('overrides the value of a message property when the \'to\' message property does not exist', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"msg.foo","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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should.not.exist(msg.payload);
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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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changeNode1.receive({payload:"Hello"});
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});
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});
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it('sets the message property to null when the \'to\' message property equals null', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"msg.foo","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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(msg.payload === null).should.be.true;
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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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changeNode1.receive({payload:"Hello", foo:null});
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});
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});
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it('does not set other properties using = inside to property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"msg.otherProp=10","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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should.not.exist(msg.payload);
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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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changeNode1.receive({payload:"changeMe"});
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});
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});
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it('splits dot delimited properties into objects', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"pay.load","from":"","to":"10","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.pay.load.should.equal("10");
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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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changeNode1.receive({pay:{load:"changeMe"}});
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});
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});
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});
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describe('#change', function() {
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it('changes the value of the message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"Hello","to":"Goodbye","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal("Goodbye World!");
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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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changeNode1.receive({payload:"Hello World!"});
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});
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});
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it('changes the value of a multi-level message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"change","property":"foo.bar","from":"Hello","to":"Goodbye","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.foo.bar.should.equal("Goodbye World!");
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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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changeNode1.receive({foo:{bar:"Hello World!"}});
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});
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});
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it('sends unaltered message if the changed message property does not exist', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"change","property":"foo","from":"Hello","to":"Goodbye","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal("Hello World!");
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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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changeNode1.receive({payload:"Hello World!"});
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});
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});
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it('sends unaltered message if a changed multi-level message property does not exist', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"change","property":"foo.bar","from":"Hello","to":"Goodbye","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal("Hello World!");
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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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changeNode1.receive({payload:"Hello World!"});
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});
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});
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it('changes the value of the message property based on a regex', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"\\d+","to":"NUMBER","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal("Replace all numbers NUMBER and NUMBER");
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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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changeNode1.receive({payload:"Replace all numbers 12 and 14"});
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});
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});
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it('supports regex groups', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"(Hello)","to":"$1-$1-$1","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal("Hello-Hello-Hello World");
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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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changeNode1.receive({payload:"Hello World"});
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});
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});
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it('Reports invalid regex', function(done) {
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var sinon = require('sinon');
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var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"\\+**+","to":"NUMBER","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var logEvents = helper.log().args.filter(function (evt) {
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return evt[0].type == "change";
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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', 'changeNode1');
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done();
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});
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});
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});
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describe("#delete", function() {
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it('deletes the value of the message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"delete","property":"payload","from":"","to":"","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.should.not.have.property('payload');
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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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changeNode1.receive({payload:"This won't get through!"});
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});
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});
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it('deletes the value of a multi-level message property', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"delete","property":"foo.bar","from":"","to":"","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.should.not.have.property('foo.bar');
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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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changeNode1.receive({payload:"This won't get through!", foo:{bar:"This will be deleted!"}});
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});
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});
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it('sends unaltered message if the deleted message property does not exist', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"delete","property":"foo","from":"","to":"","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.should.not.have.property('foo');
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msg.payload.should.equal('payload');
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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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changeNode1.receive({payload:"payload"});
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});
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});
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it('sends unaltered message if a deleted multi-level message property does not exist', function(done) {
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var flow = [{"id":"changeNode1","type":"change","action":"delete","property":"foo.bar","from":"","to":"","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(changeNode, flow, function() {
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var changeNode1 = helper.getNode("changeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.should.not.have.property('foo.bar');
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msg.payload.should.equal('payload');
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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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changeNode1.receive({payload:"payload"});
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});
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});
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});
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describe('- multiple rules', function() {
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it('handles multiple rules', function(done) {
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var flow = [{"id":"changeNode1","type":"change","wires":[["helperNode1"]],
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rules:[
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{t:"set",p:"payload",to:"newValue"},
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{t:"change",p:"changeProperty",from:"this",to:"that"},
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{t:"delete",p:"deleteProperty"}
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]},
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|
{id:"helperNode1", type:"helper", wires:[]}];
|
|
helper.load(changeNode, flow, function() {
|
|
var changeNode1 = helper.getNode("changeNode1");
|
|
var helperNode1 = helper.getNode("helperNode1");
|
|
helperNode1.on("input", function(msg) {
|
|
try {
|
|
msg.payload.should.equal("newValue");
|
|
msg.changeProperty.should.equal("change that value");
|
|
should.not.exist(msg.deleteProperty);
|
|
done();
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
changeNode1.receive({
|
|
payload:"changeMe",
|
|
changeProperty:"change this value",
|
|
deleteProperty:"delete this value"
|
|
});
|
|
});
|
|
});
|
|
it('applies multiple rules in order', function(done) {
|
|
var flow = [{"id":"changeNode1","type":"change","wires":[["helperNode1"]],
|
|
rules:[
|
|
{t:"set",p:"payload",to:"a this (hi)"},
|
|
{t:"change",p:"payload",from:"this",to:"that"},
|
|
{t:"change",p:"payload",from:"\\(.*\\)",to:"[new]",re:true},
|
|
]},
|
|
{id:"helperNode1", type:"helper", wires:[]}];
|
|
helper.load(changeNode, flow, function() {
|
|
var changeNode1 = helper.getNode("changeNode1");
|
|
var helperNode1 = helper.getNode("helperNode1");
|
|
helperNode1.on("input", function(msg) {
|
|
try {
|
|
msg.payload.should.equal("a that [new]");
|
|
done();
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
changeNode1.receive({
|
|
payload:"changeMe"
|
|
});
|
|
});
|
|
});
|
|
|
|
});
|
|
});
|