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Exec node spawn mode should clone messages it reuses

This commit is contained in:
Nick O'Leary 2016-10-11 14:49:48 +01:00
parent 8e7d52e645
commit f002560616
2 changed files with 95 additions and 41 deletions
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10
nodes/core/core/75-exec.js
View File

@ -1,5 +1,5 @@
/**
* Copyright 2013,2015 IBM Corp.
* Copyright 2013,2016 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -61,13 +61,13 @@ module.exports = function(RED) {
//console.log('[exec] stdout: ' + data);
if (isUtf8(data)) { msg.payload = data.toString(); }
else { msg.payload = data; }
node.send([msg,null,null]);
node.send([RED.util.cloneMessage(msg),null,null]);
});
child.stderr.on('data', function (data) {
//console.log('[exec] stderr: ' + data);
if (isUtf8(data)) { msg.payload = data.toString(); }
else { msg.payload = new Buffer(data); }
node.send([null,msg,null]);
node.send([null,RED.util.cloneMessage(msg),null]);
});
child.on('close', function (code) {
//console.log('[exec] result: ' + code);
@ -78,12 +78,12 @@ module.exports = function(RED) {
if (code === null) { node.status({fill:"red",shape:"dot",text:"timeout"}); }
else if (code < 0) { node.status({fill:"red",shape:"dot",text:"rc: "+code}); }
else { node.status({fill:"yellow",shape:"dot",text:"rc: "+code}); }
node.send([null,null,msg]);
node.send([null,null,RED.util.cloneMessage(msg)]);
});
child.on('error', function (code) {
delete node.activeProcesses[child.pid];
if (child.tout) { clearTimeout(child.tout); }
node.error(code,msg);
node.error(code,RED.util.cloneMessage(msg));
});
}
else {

126
test/nodes/core/core/75-exec_spec.js
View File

@ -58,24 +58,42 @@ describe('exec node', function() {
arg3(null,arg1,arg1.toUpperCase());
});
helper.load(execNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var n3 = helper.getNode("n3");
var n4 = helper.getNode("n4");
n2.on("input", function(msg) {
//console.log(msg);
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("echo");
});
n3.on("input", function(msg) {
//console.log(msg);
msg.should.have.property("payload");
msg.payload.should.be.a.String,
msg.payload.should.equal("ECHO");
child_process.exec.restore();
done();
helper.load(execNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var n3 = helper.getNode("n3");
var n4 = helper.getNode("n4");
var received = 0;
var messages = [null,null];
var completeTest = function() {
received++;
if (received < 2) {
return;
}
try{
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("echo");
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.be.a.String,
msg.payload.should.equal("ECHO");
child_process.exec.restore();
done();
} catch(err) {
child_process.exec.restore();
done(err);
}
};
n2.on("input", function(msg) {
messages[0] = msg;
completeTest();
});
n3.on("input", function(msg) {
messages[1] = msg;
completeTest();
});
n1.receive({payload:"and"});
});
@ -96,19 +114,39 @@ describe('exec node', function() {
var n2 = helper.getNode("n2");
var n3 = helper.getNode("n3");
var n4 = helper.getNode("n4");
var received = 0;
var messages = [null,null];
var completeTest = function() {
received++;
if (received < 2) {
return;
}
try{
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("echo and more");
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("ECHO AND MORE");
child_process.exec.restore();
done();
} catch(err) {
child_process.exec.restore();
done(err);
}
};
n2.on("input", function(msg) {
//console.log(msg);
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("echo and more");
messages[0] = msg;
completeTest();
});
n3.on("input", function(msg) {
//console.log(msg);
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("ECHO AND MORE");
child_process.exec.restore();
done();
messages[1] = msg;
completeTest();
});
n1.receive({payload:"and"});
});
@ -252,15 +290,21 @@ describe('exec node', function() {
var n2 = helper.getNode("n2");
var n3 = helper.getNode("n3");
var n4 = helper.getNode("n4");
n2.on("input", function(msg) {
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("this now works\n");
});
n4.on("input", function(msg) {
try {
var received = 0;
var messages = [null,null];
var completeTest = function() {
received++;
if (received < 2) {
return;
}
try{
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("this now works\n");
msg = messages[1];
msg.should.have.property("payload");
should.exist(msg.payload);
msg.payload.should.be.a.Number();
msg.payload.should.equal(0);
@ -268,8 +312,18 @@ describe('exec node', function() {
} catch(err) {
done(err);
}
};
n2.on("input", function(msg) {
messages[0] = msg;
completeTest();
});
n1.receive({payload:null});
n4.on("input", function(msg) {
messages[1] = msg;
completeTest();
});
n1.receive({payload:null,fred:123});
});
});