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Fix random node to handle to or from being 0

Browse Source 
and add tests
to close #955
This commit is contained in:
Dave Conway-Jones 2022-10-12 09:20:09 +01:00
parent 5aa99eca73
commit 584590b9a6
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GPG Key ID: 88BA2B8A411BE9FF
3 changed files with 180 additions and 142 deletions
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2
function/random/package.json
View File

@ -1,6 +1,6 @@
{
"name" : "node-red-node-random",
"version" : "0.4.0",
"version" : "0.4.1",
"description" : "A Node-RED node that when triggered generates a random number between two values.",
"dependencies" : {
},

10
function/random/random.js
View File

@ -18,9 +18,8 @@ module.exports = function(RED) {
if (node.low) { // if the the node has a value use it
tmp.low = Number(node.low);
} else if ('from' in msg) { // else see if a 'from' is in the msg
if (Number(msg.from)) { // if it is, and is a number, use it
tmp.low = Number(msg.from);
} else { // otherwise setup NaN error
tmp.low = Number(msg.from);
if (isNaN(msg.from)) { // if it isn't a number setup NaN error
tmp.low = NaN;
tmp.low_e = " From: " + msg.from; // setup to show bad incoming msg.from
}
@ -31,9 +30,8 @@ module.exports = function(RED) {
if (node.high) { // if the the node has a value use it
tmp.high = Number(node.high);
} else if ('to' in msg) { // else see if a 'to' is in the msg
if (Number(msg.to)) { // if it is, and is a number, use it
tmp.high = Number(msg.to);
} else { // otherwise setup NaN error
tmp.high = Number(msg.to);
if (isNaN(msg.to)) { // if it isn't a number setup NaN error
tmp.high = NaN
tmp.high_e = " To: " + msg.to // setup to show bad incoming msg.to
}

40
test/function/random/random_spec.js
View File

@ -204,6 +204,46 @@ describe('random node', function() {
});
});
it ("Test i5a (integer) - msg From = '0' To = '2' node no entries", function(done) {
var flow = [{id:"n1", type:"random", low: "", high: "", inte:true, 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) {
try {
//console.log(msg);
msg.should.have.a.property("payload");
msg.payload.should.be.within(0,2);
msg.payload.toString().indexOf(".").should.equal(-1); // slightly dumb test to see if it really is an integer and not a float...
done();
}
catch(err) { done(err); }
});
n1.emit("input", {"test":"Test i5", "from": '0', "to": '2'});
});
});
it ("Test i5b (integer) - msg From = '-3' To = '0' node no entries", function(done) {
var flow = [{id:"n1", type:"random", low: "", high: "", inte:true, 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) {
try {
//console.log(msg);
msg.should.have.a.property("payload");
msg.payload.should.be.within(-3,0);
msg.payload.toString().indexOf(".").should.equal(-1); // slightly dumb test to see if it really is an integer and not a float...
done();
}
catch(err) { done(err); }
});
n1.emit("input", {"test":"Test i5", "from": '-3', "to": '0'});
});
});
it ("Test f5 (float) - msg From = '6' To = '9' node no entries", function(done) {
var flow = [{id:"n1", type:"random", low: "", high: "", inte:false, wires:[["n2"]] },
{id:"n2", type:"helper"} ];