mirror of https://github.com/node-red/node-red.git
174 lines
7.2 KiB
JavaScript
174 lines
7.2 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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 rangeNode = require("nr-test-utils").require("@node-red/nodes/core/function/16-range.js");
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var helper = require("node-red-node-test-helper");
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describe('range Node', function() {
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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();
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helper.stopServer(done);
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});
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it('should load some defaults', function(done) {
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var flow = [{"id":"rangeNode1","type":"range","name":"rangeNode"}];
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helper.load(rangeNode, flow, function() {
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var rangeNode1 = helper.getNode("rangeNode1");
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rangeNode1.should.have.property('name', 'rangeNode');
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rangeNode1.should.have.property('round', false);
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done();
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});
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});
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/**
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* Run a generic range test
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* @param action - scale/clamp (range limit)/roll (modulo): what action to choose
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* @param minin - map from minimum value
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* @param maxin - map from maximum value
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* @param minout - map to minimum value
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* @param maxout - map to maximum value
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* @param round - whether to round the result to the nearest integer
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* @param aPayload - what payload to send to the range node
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* @param expectedResult - what result we're expecting
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* @param done - the callback to call when test done
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*/
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function genericRangeTest(action, minin, maxin, minout, maxout, round, aPayload, expectedResult, done) {
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var flow = [{"id":"rangeNode1","type":"range","minin":minin,"maxin":maxin,"minout":minout,"maxout":maxout,"action":action,"round":round,"name":"rangeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(rangeNode, flow, function() {
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var rangeNode1 = helper.getNode("rangeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal(expectedResult);
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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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rangeNode1.receive({payload:aPayload});
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});
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}
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it('ranges numbers up tenfold', function(done) {
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genericRangeTest("scale", 0, 100, 0, 1000, false, 50, 500, done);
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});
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it('ranges numbers down such as centimetres to metres', function(done) {
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genericRangeTest("scale", 0, 100, 0, 1, false, 55, 0.55, done);
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});
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it('wraps numbers down say for degree/rotation reading 1/2', function(done) {
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genericRangeTest("roll", 0, 10, 0, 360, true, 15, 180, done); // 1/2 around wrap => "one and a half turns"
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});
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it('wraps numbers around say for degree/rotation reading 1/3', function(done) {
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genericRangeTest("roll", 0, 10, 0, 360, true, 13.3333, 120, done); // 1/3 around wrap => "one and a third turns"
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});
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it('wraps numbers around say for degree/rotation reading 1/4', function(done) {
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genericRangeTest("roll", 0, 10, 0, 360, true, 12.5, 90, done); // 1/4 around wrap => "one and a quarter turns"
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});
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it('wraps numbers down say for degree/rotation reading 1/4', function(done) {
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genericRangeTest("roll", 0, 10, 0, 360, true, -12.5, 270, done); // 1/4 backwards wrap => "one and a quarter turns backwards"
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});
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it('wraps numbers around say for degree/rotation reading 0', function(done) {
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genericRangeTest("roll", 0, 10, 0, 360, true, -10, 0, done);
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});
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it('clamps numbers within a range - over max', function(done) {
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genericRangeTest("clamp", 0, 10, 0, 1000, false, 111, 1000, done);
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});
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it('clamps numbers within a range - below min', function(done) {
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genericRangeTest("clamp", 0, 10, 0, 1000, false, -1, 0, done);
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});
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it('drops msg if in drop mode and input outside range', function(done) {
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var flow = [{"id":"rangeNode1","type":"range","minin":2,"maxin":8,"minout":20,"maxout":80,"action":"drop","round":true,"name":"rangeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(rangeNode, flow, function() {
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var rangeNode1 = helper.getNode("rangeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.should.have.property('payload');
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msg.payload.should.equal(50);
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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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rangeNode1.receive({payload:1});
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rangeNode1.receive({payload:9});
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rangeNode1.receive({payload:5});
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});
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});
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it('just passes on msg if payload not present', function(done) {
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var flow = [{"id":"rangeNode1","type":"range","minin":0,"maxin":100,"minout":0,"maxout":100,"action":"scale","round":true,"name":"rangeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(rangeNode, flow, function() {
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var rangeNode1 = helper.getNode("rangeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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msg.should.not.have.property('payload');
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msg.topic.should.equal("pass on");
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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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rangeNode1.receive({topic:"pass on"});
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});
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});
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it('reports if input is not a number', function(done) {
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var flow = [{"id":"rangeNode1","type":"range","minin":0,"maxin":0,"minout":0,"maxout":0,"action":"scale","round":true,"name":"rangeNode","wires":[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(rangeNode, flow, function() {
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var rangeNode1 = helper.getNode("rangeNode1");
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var helperNode1 = helper.getNode("helperNode1");
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rangeNode1.on("call:log",function(args) {
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var log = args.args[0];
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if (log.indexOf("notnumber") > -1) {
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rangeNode1.log.restore();
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done();
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} else {
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try {
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should.fail(null, null, "Non-number inputs should be reported!");
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} catch (err) {
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rangeNode1.log.restore();
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done(err);
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}
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}
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});
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rangeNode1.receive({payload:"NOT A NUMBER"});
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});
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});
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});
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