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Fixup Join node to apply reduce_fixup asynchronously

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This commit is contained in:
Nick O'Leary
2018-07-25 11:08:03 +01:00
parent 4609ee75b6
commit 9efd48fe51
2 changed files with 35 additions and 20 deletions
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17
nodes/core/logic/17-split.js
View File

@@ -266,7 +266,15 @@ module.exports = function(RED) {
function apply_f(exp, accum, count) {
exp.assign("N", count);
exp.assign("A", accum);
return RED.util.evaluateJSONataExpression(exp, {});
return new Promise((resolve,reject) => {
return RED.util.evaluateJSONataExpression(exp, {}, (err, result) => {
if (err) {
reject(err);
} else {
resolve(result);
}
});
});
}
function exp_or_undefined(exp) {
@@ -296,9 +304,12 @@ module.exports = function(RED) {
return msgs.reduce((promise, msg) => promise.then(accum => apply_r(reduce_exp, accum, msg, msg.parts.index, count)), Promise.resolve(accum))
.then(accum => {
if(reduce_fixup !== undefined) {
accum = apply_f(reduce_fixup, accum, count);
return apply_f(reduce_fixup, accum, count).then(accum => {
node.send({payload: accum});
});
} else {
node.send({payload: accum});
}
node.send({payload: accum});
});
}).catch(err => {
throw new Error(RED._("join.errors.invalid-expr",{error:e.message}));

38
test/nodes/core/logic/17-split_spec.js
View File

@@ -1319,24 +1319,28 @@ describe('JOIN node', function() {
initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.equal(((((1+1*2)+2*2)+3*2)+4*2)*3);
done();
}
catch(e) { done(e); }
});
n1.context().flow.set(["one","two","three"],[1,2,3],"memory",function(err){
if(err){
done(err);
} else{
n1.receive({payload:3, parts:{index:2, count:4, id:222}});
n1.receive({payload:2, parts:{index:1, count:4, id:222}});
n1.receive({payload:4, parts:{index:3, count:4, id:222}});
n1.receive({payload:1, parts:{index:0, count:4, id:222}});
}
});
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.equal(((((1+1*2)+2*2)+3*2)+4*2)*3);
done();
}
catch(e) { done(e); }
});
n1.context().flow.set(["one","two","three"],[1,2,3],"memory",function(err){
if(err){
done(err);
} else{
n1.receive({payload:3, parts:{index:2, count:4, id:222}});
n1.receive({payload:2, parts:{index:1, count:4, id:222}});
n1.receive({payload:4, parts:{index:3, count:4, id:222}});
n1.receive({payload:1, parts:{index:0, count:4, id:222}});
}
});
}catch(err) {
done(err);
}
});
});
});