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exec node can be killed on demand

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Dave Conway-Jones
2017-02-07 20:13:05 +00:00
parent 1841fc18fa
commit ada8e447cc
3 changed files with 175 additions and 115 deletions
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116
test/nodes/core/core/75-exec_spec.js
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@@ -58,42 +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");
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");
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();
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"});
});
@@ -121,7 +121,7 @@ describe('exec node', function() {
if (received < 2) {
return;
}
try{
try {
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
@@ -210,6 +210,27 @@ describe('exec node', function() {
n1.receive({});
});
});
it('should be able to kill a long running command', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"2"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
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");
n4.on("input", function(msg) {
msg.should.have.property("payload");
msg.payload.should.have.property("killed",true);
msg.payload.should.have.property("signal","SIGTERM");
done();
});
setTimeout(function() {
n1.receive({kill:true});
},150);
n1.receive({});
});
});
});
describe('calling spawn', function() {
@@ -297,7 +318,7 @@ describe('exec node', function() {
if (received < 2) {
return;
}
try{
try {
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
@@ -401,5 +422,26 @@ describe('exec node', function() {
});
});
it('should be able to kill a long running command', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"2"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
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");
n4.on("input", function(msg) {
msg.should.have.property("payload");
msg.payload.should.have.property("killed",true);
msg.payload.should.have.property("signal","SIGTERM");
done();
});
setTimeout(function() {
n1.receive({kill:true});
},150);
n1.receive({});
});
});
});
});