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Code Issues Releases Wiki Activity

add reset capability to rue node

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Dave Conway-Jones 2017-12-20 16:28:32 +00:00
parent 51124f456d
commit 032a9d6435
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GPG Key ID: 9E7F9C73F5168CD4
4 changed files with 71 additions and 1 deletions
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2
function/rbe/package.json
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@ -1,6 +1,6 @@
{
"name" : "node-red-node-rbe",
"version" : "0.1.13",
"version" : "0.1.14",
"description" : "A Node-RED node that provides report-by-exception (RBE) and deadband capability.",
"dependencies" : {
},

3
function/rbe/rbe.html
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@ -41,6 +41,9 @@
<dt class="optional">topic <span class="property-type">string</span>
</dt>
<dd>if specified the function will work on a per topic basis.</dd>
<dt class="optional">reset<span class="property-type">any</span></dt>
<dd>if set clears the stored value for the specified msg.topic, or
all topics if msg.topic is not specified.</dd>
</dl>
<h3>Outputs</h3>
<dl class="message-properties">

6
function/rbe/rbe.js
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@ -18,6 +18,12 @@ module.exports = function(RED) {
node.previous = {};
this.on("input",function(msg) {
if (msg.hasOwnProperty("reset")) {
if (msg.hasOwnProperty("topic") && (typeof msg.topic === "string") && (msg.topic !== "")) {
delete node.previous[msg.topic];
}
else { node.previous = {}; }
}
if (msg.hasOwnProperty("payload")) {
var t = msg.topic || "_no_topic";
if ((this.func === "rbe") || (this.func === "rbei")) {

61
test/function/rbe/rbe_spec.js
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@ -102,6 +102,67 @@ describe('rbe node', function() {
});
});
it('should send output if queue is reset (rbe)', function(done) {
var flow = [{"id":"n1", "type":"rbe", func:"rbe", gap:"0", 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", "a");
c+=1;
}
else if (c === 1) {
msg.should.have.a.property("payload", "b");
c+=1;
}
else if (c === 2) {
msg.should.have.a.property("payload", "a");
c+=1;
}
else if (c === 3) {
msg.should.have.a.property("payload", "b");
c+=1;
}
else if (c === 4) {
msg.should.have.a.property("payload", "b");
c+=1;
}
else if (c === 5) {
msg.should.have.a.property("payload", "b");
c+=1;
}
else if (c === 6) {
msg.should.have.a.property("payload", "a");
c+=1;
}
else {
msg.should.have.a.property("payload", "c");
done();
}
});
n1.emit("input", {topic:"a", payload:"a"});
n1.emit("input", {topic:"a", payload:"a"});
n1.emit("input", {topic:"b", payload:"b"});
n1.emit("input", {reset:true}); // reset all
n1.emit("input", {topic:"a", payload:"a"});
n1.emit("input", {topic:"b", payload:"b"});
n1.emit("input", {topic:"b", payload:"b"});
n1.emit("input", {topic:"b", reset:""}); // reset b
n1.emit("input", {topic:"b", payload:"b"});
n1.emit("input", {topic:"a", payload:"a"});
n1.emit("input", {reset:""}); // reset all
n1.emit("input", {topic:"b", payload:"b"});
n1.emit("input", {topic:"a", payload:"a"});
n1.emit("input", {topic:"c"}); // don't reset a non topic
n1.emit("input", {topic:"b", payload:"b"});
n1.emit("input", {topic:"a", payload:"a"});
n1.emit("input", {topic:"c", payload:"c"});
});
});
it('should only send output if x away from original value (deadbandEq)', function(done) {
var flow = [{"id":"n1", "type":"rbe", func:"deadbandEq", gap:"10", inout:"out", wires:[["n2"]] },
{id:"n2", type:"helper"} ];