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Merge pull request #2748 from neuroforgede/master

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make split node work with out of order messages
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Nick O'Leary 2021-01-27 20:35:32 +00:00 committed by GitHub
commit 37935bf388
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2 changed files with 41 additions and 1 deletions
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6
packages/node_modules/@node-red/nodes/core/sequence/17-split.js vendored
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@ -677,7 +677,10 @@ module.exports = function(RED) {
}
group.msg = Object.assign(group.msg, msg);
var tcnt = group.targetCount;
if (msg.hasOwnProperty("parts")) { tcnt = group.targetCount || msg.parts.count; }
if (msg.hasOwnProperty("parts")) {
tcnt = group.targetCount || msg.parts.count;
group.targetCount = tcnt;
}
if ((tcnt > 0 && group.currentCount >= tcnt) || msg.hasOwnProperty('complete')) {
completeSend(partId);
}
@ -697,3 +700,4 @@ module.exports = function(RED) {
}
RED.nodes.registerType("join",JoinNode);
}

36
test/nodes/core/sequence/17-split_spec.js
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@ -1646,4 +1646,40 @@ describe('JOIN node', function() {
});
});
it('should handle msg.parts even if messages are out of order in auto mode if exactly one message has count set', function (done) {
var flow = [{ id: "n1", type: "join", wires: [["n2"]], mode: "auto" },
{ id: "n2", type: "helper" }];
helper.load(joinNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
msg.payload.length.should.be.eql(5);
msg.payload.should.be.eql([0,1,2,3,4]);
done();
});
var msg = {};
msg.parts = {
id: RED.util.generateId()
};
for(var elem = 1; elem < 5; ++elem) {
var _msg = RED.util.cloneMessage(msg);
_msg.parts.index = elem;
if(elem == 4) {
_msg.parts.count = 5;
}
_msg.payload = elem;
n1.receive(_msg);
}
var _msg = RED.util.cloneMessage(msg);
delete _msg.parts.count;
_msg.parts.index = 0;
_msg.payload = 0;
n1.receive(_msg);
});
})
});