var should = require("should"); var helper = require('../../../test/helper.js'); var testNode = require('../../../function/smooth/17-smooth.js'); describe('smooth node', function() { "use strict"; beforeEach(function(done) { helper.startServer(done); }); afterEach(function(done) { helper.unload().then(function() { helper.stopServer(done); }); }); it("should be loaded with correct defaults", function(done) { var flow = [{"id":"n1", "type":"smooth", "name":"smooth1", "wires":[[]]}]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); n1.should.have.property("name"); n1.should.have.property("action"); n1.should.have.property("count"); done(); }); }); it('should average over a number of inputs', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"true", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); var c = 0; n2.on("input", function(msg) { c += 1; if (c === 4) { msg.should.have.a.property("payload", 1.8); } if (c === 6) { msg.should.have.a.property("payload", 3); done(); } }); n1.emit("input", {payload:1}); n1.emit("input", {payload:1}); n1.emit("input", {payload:2}); n1.emit("input", {payload:3}); n1.emit("input", {payload:4}); n1.emit("input", {payload:4.786}); }); }); it('should be able to be reset', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"true", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); var c = 0; n2.on("input", function(msg) { c += 1; if (c === 3) { msg.should.have.a.property("payload", 2); } if (c === 6) { msg.should.have.a.property("payload", 5); done(); } }); n1.emit("input", {payload:1}); n1.emit("input", {payload:2}); n1.emit("input", {payload:3}); n1.emit("input", {reset:true, payload:4}); n1.emit("input", {payload:5}); n1.emit("input", {payload:6}); }); }); it('should output max over a number of inputs', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"max", count:"5", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); var c = 0; n2.on("input", function(msg) { c += 1; if (c === 2) { msg.should.have.a.property("payload", 5); } if (c === 3) { msg.should.have.a.property("payload", 5); } if (c === 5) { msg.should.have.a.property("payload", 7); done(); } }); n1.emit("input", {payload:5}); n1.emit("input", {payload:2}); n1.emit("input", {payload:3}); n1.emit("input", {payload:7}); n1.emit("input", {payload:4}); }); }); it('should output min over a number of inputs', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"min", count:"5", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); var c = 0; n2.on("input", function(msg) { c += 1; if (c === 2) { msg.should.have.a.property("payload", 2); } if (c === 3) { msg.should.have.a.property("payload", 2); } if (c === 4) { msg.should.have.a.property("payload", 2); } if (c === 5) { msg.should.have.a.property("payload", 1); done(); } }); n1.emit("input", {payload:5}); n1.emit("input", {payload:2}); n1.emit("input", {payload:3}); n1.emit("input", {payload:7}); n1.emit("input", {payload:1}); }); }); it('should output standard deviation over a number of inputs', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"sd", count:"5", round:"3", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); var c = 0; n2.on("input", function(msg) { c += 1; //console.log(c,msg); if (c === 2) { msg.should.have.a.property("payload", 0.707); } if (c === 3) { msg.should.have.a.property("payload", 1); } if (c === 4) { msg.should.have.a.property("payload", 1.291); } if (c === 5) { msg.should.have.a.property("payload", 1.581); done(); } }); n1.emit("input", {payload:1}); n1.emit("input", {payload:2}); n1.emit("input", {payload:3}); n1.emit("input", {payload:4}); n1.emit("input", {payload:5}); }); }); it('should do a low pass filter over a number of inputs', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"low", count:"5", round:"3", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); var c = 0; n2.on("input", function(msg) { c += 1; if (c === 5) { msg.should.have.a.property("payload", 2.638); } if (c === 9) { msg.should.have.a.property("payload", 5.471); } if (c === 10) { msg.should.have.a.property("payload", 5.977); done(); } }); n1.emit("input", {payload:1}); n1.emit("input", {payload:2}); n1.emit("input", {payload:3}); n1.emit("input", {payload:4}); n1.emit("input", {payload:5}); n1.emit("input", {payload:6}); n1.emit("input", {payload:7}); n1.emit("input", {payload:8}); n1.emit("input", {payload:8}); n1.emit("input", {payload:8}); }); }); it('should do a high pass filter over a number of inputs', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"high", count:"5", round:"3", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); var c = 0; n2.on("input", function(msg) { c += 1; if (c === 5) { msg.should.have.a.property("payload", 2.362); } if (c === 9) { msg.should.have.a.property("payload", 2.529); } if (c === 10) { msg.should.have.a.property("payload", 2.023); done(); } }); n1.emit("input", {payload:1}); n1.emit("input", {payload:2}); n1.emit("input", {payload:3}); n1.emit("input", {payload:4}); n1.emit("input", {payload:5}); n1.emit("input", {payload:6}); n1.emit("input", {payload:7}); n1.emit("input", {payload:8}); n1.emit("input", {payload:8}); n1.emit("input", {payload:8}); }); }); it('ignore msg with non numeric payload', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"3", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { done("should not get here with no payload."); }); setTimeout(function() { done(); }, 50); n1.emit("input", {payload:"banana"}); }); }); it('ignore msg with no payload', function(done) { var flow = [{"id":"n1", "type":"smooth", action:"mean", count:"5", round:"3", wires:[["n2"]] }, {id:"n2", type:"helper"} ]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); var n2 = helper.getNode("n2"); n2.on("input", function(msg) { done("should not get here with no payload."); }); setTimeout(function() { done(); }, 50); n1.emit("input", {topic:1}); }); }); });