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Clone the first message passed to node.send in Function

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Also introduces an optional second arg to node.send in the Function
node that can disable that cloning
This commit is contained in:
Nick O'Leary
2019-09-12 22:08:52 +01:00
parent 89d0d6ec93
commit f0839571d0
2 changed files with 59 additions and 5 deletions
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50
test/nodes/core/function/10-function_spec.js
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@@ -93,6 +93,56 @@ describe('function node', function() {
});
});
function testSendCloning(args,done) {
var flow = [{id:"n1",type:"function",wires:[["n2"],["n2"]],func:"node.send("+args+"); msg.payload = 'changed';"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'foo');
done();
} catch(err) {
done(err);
}
});
var origMessage = {payload:"foo",topic: "bar"};
n1.receive(origMessage);
});
}
it('should clone single message sent using send()', function(done) {
testSendCloning("msg",done);
});
it('should not clone single message sent using send(,false)', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"node.send(msg,false); msg.payload = 'changed';"},
{id:"n2", type:"helper"}];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.have.property('payload', 'changed');
done();
});
var origMessage = {payload:"foo",topic: "bar"};
n1.receive(origMessage);
});
});
it('should clone first message sent using send() - array 1', function(done) {
testSendCloning("[msg]",done);
});
it('should clone first message sent using send() - array 2', function(done) {
testSendCloning("[[msg],[null]]",done);
});
it('should clone first message sent using send() - array 3', function(done) {
testSendCloning("[null,msg]",done);
});
it('should clone first message sent using send() - array 3', function(done) {
testSendCloning("[null,[msg]]",done);
});
it('should pass through _topic', function(done) {
var flow = [{id:"n1",type:"function",wires:[["n2"]],func:"return msg;"},
{id:"n2", type:"helper"}];