mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
commit
0138eb3f5f
@ -24,18 +24,18 @@
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</div>
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<br/>
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<div class="form-row">
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From the range:
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Map from the range:
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</div>
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<div class="form-row">
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min: <input type="text" id="node-input-minin" placeholder="0" style="width:100px;"/>
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max: <input type="text" id="node-input-maxin" placeholder="99" style="width:100px;"/>
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from: <input type="text" id="node-input-minin" placeholder="e.g. 0" style="width:100px;"/>
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to: <input type="text" id="node-input-maxin" placeholder="e.g. 99" style="width:100px;"/>
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</div>
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<div class="form-row">
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to the range:
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to the result range:
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</div>
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<div class="form-row">
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min: <input type="text" id="node-input-minout" placeholder="0" style="width:100px;"/>
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max: <input type="text" id="node-input-maxout" placeholder="255" style="width:100px;"/>
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from: <input type="text" id="node-input-minout" placeholder="e.g. 0" style="width:100px;"/>
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to: <input type="text" id="node-input-maxout" placeholder="e.g. 255" style="width:100px;"/>
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</div>
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<br/>
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<div class="form-row">
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@ -53,6 +53,8 @@
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<p>A simple function node to remap numeric input values to another scale.</p>
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<p>Currently only does a linear scaling.</p>
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<p><b>Note:</b> This only operates on <b>numbers</b>. Anything else will try to be made into a number and rejected if that fails.</p>
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<p><i>Scale and limit to target range</i> means that the result will never be outside the range specified within the result range.</p>
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<p><i>Scale and wrap within the target range</i> means that the result will essentially be a "modulo-style" wrap-around within the result range.</p>
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</script>
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<script type="text/javascript">
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131
test/nodes/core/logic/16-range_spec.js
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131
test/nodes/core/logic/16-range_spec.js
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@ -0,0 +1,131 @@
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/**
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* Copyright 2014 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 rangeNode = require("../../../../nodes/core/logic/16-range.js");
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var helper = require("../../helper.js");
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describe('RangeNode', 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 be loaded', function(done) {
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var flow = [{"id":"rangeNode1","type":"range","minin":"0","maxin":"99","minout":"100","maxout":"199","action":"range","round":true,"name":"rangeNode","wires":[[]]}];
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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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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 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('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('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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var sinon = require('sinon');
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sinon.stub(rangeNode1, 'log', function(log) {
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if(log.indexOf("Not a number") > -1) {
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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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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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