132 lines
4.7 KiB
JavaScript
132 lines
4.7 KiB
JavaScript
/**
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* Copyright 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 helper = require('../../../test/helper.js');
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var testNode = require('../../../function/rbe/rbe.js');
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describe('rbe 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":"rbe", "name":"rbe1", "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", "rbe1");
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n1.should.have.property("func", "rbe");
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n1.should.have.property("gap", 0);
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done();
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});
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});
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it('should only send output if payload changes', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"rbe", gap:0, 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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if (c === 0) {
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msg.should.have.a.property("payload", "a");
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c+=1;
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}
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else {
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msg.should.have.a.property("payload", "b");
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done();
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}
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});
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n1.emit("input", {payload:"a"});
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n1.emit("input", {payload:"a"});
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n1.emit("input", {payload:"a"});
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n1.emit("input", {payload:"a"});
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n1.emit("input", {payload:"a"});
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n1.emit("input", {payload:"b"});
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n1.emit("input", {payload:"b"});
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});
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});
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it('should only send output if more than x away from original value', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"gap", gap:10, 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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if (c === 0) {
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msg.should.have.a.property("payload", 0);
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}
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else if (c === 1) {
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msg.should.have.a.property("payload", 20);
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}
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else {
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msg.should.have.a.property("payload", "5 deg");
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done();
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}
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c += 1;
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});
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n1.emit("input", {payload:0});
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n1.emit("input", {payload:2});
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n1.emit("input", {payload:4});
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n1.emit("input", {payload:"6 deg"});
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n1.emit("input", {payload:8});
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n1.emit("input", {payload:20});
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n1.emit("input", {payload:15});
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n1.emit("input", {payload:"5 deg"});
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});
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});
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it('should warn if no number found in gap mode', function(done) {
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var flow = [{"id":"n1", "type":"rbe", func:"gap", gap:10, 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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});
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setTimeout( function() {
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c.should.equal(0);
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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 == "rbe";
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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', 'rbe');
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msg.should.have.property('msg', 'no number found in payload');
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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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});
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