var should = require("should"); var helper = require('../../../test/helper.js'); var testNode = require('../../../function/random/random.js'); describe('random 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":"random", "name":"random1", "wires":[[]]}]; helper.load(testNode, flow, function() { var n1 = helper.getNode("n1"); console.log(n1); n1.should.have.property("low", 1); n1.should.have.property("high", 10); n1.should.have.property("inte", false); done(); }); }); it('should output an integer between -3 and 3', function(done) { var flow = [{"id":"n1", "type":"random", low:-3, high:3, inte: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) { if (c === 0) { msg.should.have.a.property("payload"); msg.payload.should.be.approximately(0,3); msg.payload.toString().indexOf(".").should.equal(-1); done(); } }); n1.emit("input", {payload:"a"}); }); }); it('should output an float between 20 and 30', function(done) { var flow = [{"id":"n1", "type":"random", low:20, high:30, inte:false, 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) { if (c === 0) { msg.should.have.a.property("payload"); msg.payload.should.be.approximately(25,5); msg.payload.toString().indexOf(".").should.not.equal(-1); done(); } }); n1.emit("input", {payload:"a"}); }); }); });