mirror of
https://github.com/node-red/node-red.git
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230 lines
9.0 KiB
JavaScript
230 lines
9.0 KiB
JavaScript
/**
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* Copyright 2014 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 functionNode = require("../../../../nodes/core/core/80-function.js");
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var helper = require("../../helper.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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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 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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}, 200);
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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 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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describe('Logger', function () {
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it('should log an Info Message', function (done) {
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var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.log('test');"}];
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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().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', 'test');
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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 log a Warning Message', function (done) {
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var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.warn('test');"}];
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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().WARN);
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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', 'test');
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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 log an Error Message', function (done) {
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var flow = [{id: "n1", type: "function", wires: [["n2"]], func: "node.error('test');"}];
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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', 'test');
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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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});
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});
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