395 lines
17 KiB
JavaScript
395 lines
17 KiB
JavaScript
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var should = require("should");
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var helper = require("node-red-node-test-helper");
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var testNode = require('../../../function/smooth/17-smooth.js');
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describe('smooth node', function() {
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"use strict";
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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().then(function() {
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helper.stopServer(done);
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});
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});
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it("should be loaded with correct defaults", function(done) {
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var flow = [{"id":"n1", "type":"smooth", "name":"smooth1", "wires":[[]]}];
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helper.load(testNode, flow, function() {
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var n1 = helper.getNode("n1");
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n1.should.have.property("name");
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n1.should.have.property("action");
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n1.should.have.property("count");
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done();
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});
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});
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it('should average over a number of inputs', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"true", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 4) { msg.should.have.a.property("payload", 1.8); }
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if (c === 6) { msg.should.have.a.property("payload", 3); done(); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:4.786});
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});
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});
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it('should average over a number of inputs - another property - foo', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"true", property:"foo", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 4) { msg.should.have.a.property("foo", 1.8); }
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if (c === 6) { msg.should.have.a.property("foo", 3); done(); }
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});
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n1.emit("input", {foo:1});
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n1.emit("input", {foo:1});
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n1.emit("input", {foo:2});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:2});
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n1.emit("input", {foo:3});
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n1.emit("input", {foo:4});
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n1.emit("input", {foo:4.786});
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});
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});
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it('should be able to be reset', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"true", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 3) { msg.should.have.a.property("payload", 2); }
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if (c === 6) { msg.should.have.a.property("payload", 5); done(); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {reset:true, payload:4});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:6});
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});
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});
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it('should be able to be reset - while using another property - foo', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"true", property:"foo", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 3) { msg.should.have.a.property("foo", 2); }
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if (c === 6) { msg.should.have.a.property("foo", 5); done(); }
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});
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n1.emit("input", {foo:1});
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n1.emit("input", {foo:2});
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n1.emit("input", {payload:2});
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n1.emit("input", {foo:3});
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n1.emit("input", {reset:true, foo:4});
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n1.emit("input", {foo:5});
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n1.emit("input", {payload:2});
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n1.emit("input", {foo:6});
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});
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});
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it('should output max over a number of inputs', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"max", count:"5", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 2) { msg.should.have.a.property("payload", 5); }
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if (c === 3) { msg.should.have.a.property("payload", 5); }
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if (c === 5) { msg.should.have.a.property("payload", 7); done(); }
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});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:7});
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n1.emit("input", {payload:4});
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});
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});
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it('should output min over a number of inputs', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"min", count:"5", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 2) { msg.should.have.a.property("payload", 2); }
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if (c === 3) { msg.should.have.a.property("payload", 2); }
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if (c === 4) { msg.should.have.a.property("payload", 2); }
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if (c === 5) { msg.should.have.a.property("payload", 1); done(); }
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});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:7});
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n1.emit("input", {payload:1});
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});
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});
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it('should output standard deviation over a number of inputs', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"sd", count:"5", round:"3", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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//console.log(c,msg);
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if (c === 2) { msg.should.have.a.property("payload", 0.707); }
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if (c === 3) { msg.should.have.a.property("payload", 1); }
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if (c === 4) { msg.should.have.a.property("payload", 1.291); }
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if (c === 5) { msg.should.have.a.property("payload", 1.581); done(); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:5});
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});
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});
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it('should do a low pass filter over a number of inputs', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"low", count:"5", round:"3", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 5) { msg.should.have.a.property("payload", 2.638); }
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if (c === 9) { msg.should.have.a.property("payload", 5.471); }
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if (c === 10) { msg.should.have.a.property("payload", 5.977); done(); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:6});
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n1.emit("input", {payload:7});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:8});
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});
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});
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it('should do a high pass filter over a number of inputs', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"high", count:"5", round:"3", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 5) { msg.should.have.a.property("payload", 2.362); }
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if (c === 9) { msg.should.have.a.property("payload", 2.529); }
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if (c === 10) { msg.should.have.a.property("payload", 2.023); done(); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:6});
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n1.emit("input", {payload:7});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:8});
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});
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});
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it('ignore msg with non numeric payload', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"3", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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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done("should not get here with no payload.");
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});
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setTimeout(function() {
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done();
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}, 50);
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n1.emit("input", {payload:"banana"});
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});
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});
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it('ignore msg with no payload', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"3", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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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done("should not get here with no payload.");
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});
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setTimeout(function() {
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done();
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}, 50);
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n1.emit("input", {topic:1});
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});
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});
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it('should average over a number of inputs on different topics', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 3) { msg.should.have.a.property("payload", 1); }
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if (c === 5) { msg.should.have.a.property("payload", 2); }
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if (c === 6) { msg.should.have.a.property("payload", 3); }
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if (c === 7) { msg.should.have.a.property("payload", 3); done(); }
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});
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n1.emit("input", {payload:2, topic:"A"});
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n1.emit("input", {payload:1, topic:"A"});
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n1.emit("input", {payload:0, topic:"A"});
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n1.emit("input", {payload:3, topic:"B"});
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n1.emit("input", {payload:4, topic:"B"});
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n1.emit("input", {payload:7, topic:"A"});
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n1.emit("input", {payload:1, topic:"B"});
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});
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});
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it('should average over different topics if asked', function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", mult:"true", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 3) { msg.should.have.a.property("payload", 1); }
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if (c === 5) { msg.should.have.a.property("payload", 4); }
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if (c === 9) { msg.should.have.a.property("payload", 4); }
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if (c === 11) { msg.should.have.a.property("payload", 5); done(); }
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});
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n1.emit("input", {payload:2, topic:"A"});
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n1.emit("input", {payload:1, topic:"A"});
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n1.emit("input", {payload:0, topic:"A"});
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n1.emit("input", {payload:3, topic:"B"});
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n1.emit("input", {payload:5, topic:"B"});
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n1.emit("input", {payload:5, topic:"A"});
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n1.emit("input", {payload:2, topic:"B"});
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n1.emit("input", {payload:7, topic:"A"});
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n1.emit("input", {payload:3, topic:"A"});
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n1.emit("input", {payload:6, topic:"B"});
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n1.emit("input", {payload:9, topic:"B"});
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});
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});
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it("should reduce the number of messages by averaging if asked", function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", reduce:"true", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 1) { msg.should.have.a.property("payload", 3); }
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else if (c === 2) { msg.should.have.a.property("payload", 6); done(); }
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else if (c > 2) { done(new Error("should not emit more than two messages.")); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:6});
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n1.emit("input", {payload:7});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:9})
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; n1.emit("input", {payload:0});
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});
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});
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it("should reduce the number of messages by max value, if asked", function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"max", count:"5", reduce:"true", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 1) { msg.should.have.a.property("payload", 5); }
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else if (c === 2) { msg.should.have.a.property("payload", 9); done(); }
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else if (c > 2) { done(new Error("should not emit more than two messages.")); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:6});
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n1.emit("input", {payload:7});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:9});
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n1.emit("input", {payload:0});
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});
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});
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it("should reduce the number of messages by min value, if asked", function(done) {
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var flow = [{"id":"n1", "type":"smooth", action:"min", count:"5", reduce:"true", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(testNode, 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 c = 0;
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n2.on("input", function(msg) {
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c += 1;
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if (c === 1) { msg.should.have.a.property("payload", 1); }
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else if (c === 2) { msg.should.have.a.property("payload", 0); done(); }
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else if (c > 2) { done(new Error("should not emit more than two messages.")); }
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});
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n1.emit("input", {payload:1});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:3});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:5});
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n1.emit("input", {payload:6});
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n1.emit("input", {payload:7});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:9});
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n1.emit("input", {payload:0});
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});
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});
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});
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