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node-red/test/nodes/core/function/90-exec_spec.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var should = require("should");
var sinon = require("sinon");
var helper = require("node-red-node-test-helper");
var execNode = require("nr-test-utils").require("@node-red/nodes/core/function/90-exec.js");
var osType = require("os").type();
var child_process = require('child_process');
describe('exec node', function() {
beforeEach(function(done) {
helper.startServer(done);
});
afterEach(function(done) {
helper.unload().then(function() {
helper.stopServer(done);
});
});
it('should be loaded with any defaults', function(done) {
var flow = [{id:"n1", type:"exec", name: "exec1"}];
helper.load(execNode, flow, function() {
var n1 = helper.getNode("n1");
n1.should.have.property("name", "exec1");
n1.should.have.property("cmd", "");
n1.should.have.property("append", "");
n1.should.have.property("addpay","payload");
n1.should.have.property("timer",0);
n1.should.have.property("oldrc","false");
done();
});
});
describe('calling exec', function() {
it('should exec a simple command', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo", addpay:false, append:"", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
var spy = sinon.stub(child_process, 'exec',
function(arg1, arg2, arg3, arg4) {
// arg3(error,stdout,stderr);
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,null];
var completeTest = function() {
received = received + 1;
if (received < 3) {
return;
}
try {
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("echo");
msg.should.have.property("rc");
msg.rc.should.have.property("code",0);
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("ECHO");
msg.should.have.property("rc");
msg.rc.should.have.property("code",0);
msg = messages[2];
msg.should.have.property("payload");
msg.payload.should.have.property("code",0);
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();
});
n4.on("input", function(msg) {
messages[2] = msg;
completeTest();
});
n1.receive({payload:"and"});
});
});
it('should exec a simple command with appended value from message', function (done) {
var flow = [{id:"n1", type:"exec", wires:[["n2"]], command:"echo", addpay:"topic", append:"more", oldrc:"false"},
{id:"n2", type:"helper"}];
helper.load(execNode, flow, 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.be.a.String();
msg.payload.should.equal("bar more\n");
done();
} catch(err) {
done(err)
}
});
n1.receive({payload:"foo", topic:"bar"});
});
});
it('should exec a simple command with extra parameters', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo", addpay:"payload", append:"more", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
var spy = sinon.stub(child_process, 'exec',
function(arg1, arg2, arg3, arg4) {
//console.log(arg1);
// arg3(error,stdout,stderr);
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 and more");
msg.should.have.property("rc");
msg.rc.should.have.property("code",0);
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("ECHO AND MORE");
msg.should.have.property("rc");
msg.rc.should.have.property("code",0);
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"});
});
});
it('should be able to return a binary buffer', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo", addpay:true, append:"more", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
var spy = sinon.stub(child_process, 'exec',
function(arg1, arg2, arg3, arg4) {
//console.log(arg1);
// arg3(error,stdout,stderr);
arg3("error",Buffer.from([0x01,0x02,0x03,0x88]),Buffer.from([0x01,0x02,0x03,0x88]));
});
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("n2",msg);
try {
msg.should.have.property("payload");
Buffer.isBuffer(msg.payload).should.be.true();
msg.payload.length.should.equal(4);
child_process.exec.restore();
done();
} catch(err) {
child_process.exec.restore();
done(err);
}
});
n1.receive({});
});
});
it('should be able to timeout a long running command', function(done) {
var flow;
if (osType === "Windows_NT") {
// Although Windows timeout command is equivalent to sleep, this cannot be used because it promptly outputs a message.
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping", addpay:false, append:"192.0.2.0 -n 1 -w 1000 > NUL", timer:"0.3", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
}
else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"0.3", oldrc:"false"},
{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) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("signal","SIGTERM");
done();
}
catch(err) { done(err); }
});
n1.receive({});
});
});
it('should be able to kill a long running command', function(done) {
var flow;
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping", addpay:false, append:"192.0.2.0 -n 1 -w 1000 > NUL", timer:"2", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
}
else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"2", oldrc:"false"},
{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");
n2.on("input", function(msg) {
try {
msg.should.have.property("rc");
msg.rc.should.have.property("code",null);
msg.rc.should.have.property("signal","SIGTERM");
} catch(err) { done(err); }
});
n4.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("signal","SIGTERM");
done();
}
catch(err) { done(err); }
});
setTimeout(function() {
n1.receive({kill:""});
},150);
n1.receive({});
});
});
it('should be able to kill a long running command - SIGINT', function(done) {
var flow;
var sig = "SIGINT";
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping", addpay:false, append:"192.0.2.0 -n 1 -w 1000 > NUL", timer:"2", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"2", oldrc:"false"},
{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");
n2.on("input", function(msg) {
try {
msg.should.have.property("rc");
msg.rc.should.have.property("code",null);
msg.rc.should.have.property("signal","SIGINT");
} catch(err) { done(err); }
});
n4.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("signal",sig);
done();
} catch(err) { done(err); }
});
setTimeout(function() {
n1.receive({kill:"SIGINT"});
},150);
n1.receive({});
});
});
it('should return the rc for a failing command', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"error", addpay:false, append:"", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
var spy = sinon.stub(child_process, 'exec',
function(arg1, arg2, arg3, arg4) {
//console.log(arg1);
// arg3(error,stdout,stderr);
arg3({code: 1},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,null];
var completeTest = function() {
received++;
if (received < 3) {
return;
}
try {
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("error");
msg.should.have.property("rc");
msg.rc.should.have.property("code",1);
msg.rc.should.have.property("message",undefined);
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("ERROR");
msg = messages[2];
msg.should.have.property("payload");
msg.payload.should.have.property("code",1);
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();
});
n4.on("input", function(msg) {
messages[2] = msg;
completeTest();
});
n1.receive({payload:"and"});
});
});
it('should preserve existing properties on msg object', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo", addpay:false, append:"", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
var spy = sinon.stub(child_process, 'exec',
function(arg1, arg2, arg3, arg4) {
// arg3(error,stdout,stderr);
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,null];
var completeTest = function() {
received = received + 1;
if (received < 3) {
return;
}
try {
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("echo");
msg.should.have.property("rc");
msg.rc.should.have.property("code",0);
msg.should.have.property("foo","bar");
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("ECHO");
msg.should.have.property("rc");
msg.rc.should.have.property("code",0);
msg.should.have.property("foo","bar");
msg = messages[2];
msg.should.have.property("payload");
msg.payload.should.have.property("code",0);
msg.should.have.property("foo","bar");
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();
});
n4.on("input", function(msg) {
messages[2] = msg;
completeTest();
});
n1.receive({payload:"and", foo:"bar"});
});
});
it('should preserve existing properties on msg object for a failing command', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"error", addpay:false, append:"", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
var spy = sinon.stub(child_process, 'exec',
function(arg1, arg2, arg3, arg4) {
// arg3(error,stdout,stderr);
arg3({code: 1},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,null];
var completeTest = function() {
received++;
if (received < 3) {
return;
}
try {
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("error");
msg.should.have.property("rc");
msg.rc.should.have.property("code",1);
msg.rc.should.have.property("message",undefined);
msg.should.have.property("foo",null);
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal("ERROR");
msg.should.have.property("foo",null);
msg = messages[2];
msg.should.have.property("payload");
msg.payload.should.have.property("code",1);
msg.should.have.property("foo",null);
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();
});
n4.on("input", function(msg) {
messages[2] = msg;
completeTest();
});
n1.receive({payload:"and", foo:null});
});
});
});
describe('calling spawn', function() {
it('should spawn a simple command', function(done) {
var flow;
var expected;
if (osType === "Windows_NT") {
// Need to use cmd to spawn a process because Windows echo command is a built-in command and cannot be spawned.
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"cmd /C echo", addpay:true, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "hello world\r\n";
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo", addpay:true, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "hello world\n";
}
var events = require('events');
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);
try {
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal(expected);
done();
}
catch(err) { done(err); }
});
n1.receive({payload:"hello world"});
});
});
it('should spawn a simple command with a non string payload parameter', function(done) {
var flow;
var expected;
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"cmd /C echo", addpay:true, append:" deg C", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "12345 deg C\r\n";
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo", addpay:true, append:" deg C", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "12345 deg C\n";
}
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);
try {
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.payload.should.equal(expected);
done();
}
catch(err) { done(err); }
});
n1.receive({payload:12345});
});
});
it('should spawn a simple command and return binary buffer', function(done) {
var flow;
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"cmd /C echo", addpay:true, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo", addpay:true, append:"", useSpawn:"true", oldrc:"false"},
{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");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
Buffer.isBuffer(msg.payload).should.be.true();
if (osType === "Windows_NT") {
msg.payload.length.should.equalOneOf(6,8);
} else {
msg.payload.length.should.equal(7);
}
done();
}
catch(err) { done(err); }
});
n1.receive({payload:Buffer.from([0x01,0x02,0x03,0x88])});
});
});
it('should work if passed multiple words to spawn command', function(done) {
var flow;
var expected;
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"cmd /C echo this now works", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "this now works\r\n";
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo this now works", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "this now works\n";
}
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(expected);
msg = messages[1];
msg.should.have.property("payload");
should.exist(msg.payload);
msg.payload.should.have.property("code",0);
done();
}
catch(err) {
done(err);
}
};
n2.on("input", function(msg) {
messages[0] = msg;
completeTest();
});
n4.on("input", function(msg) {
messages[1] = msg;
completeTest();
});
n1.receive({payload:null,fred:123});
});
});
it('should return an error for a bad command', function(done) {
var flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"madeupcommandshouldfail", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{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) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("code");
msg.payload.code.should.be.below(0);
done();
}
catch(err) { done(err); }
});
n1.receive({payload:null});
});
});
it('should return an error for a failing command', function(done) {
var flow;
var expected;
var expectedFound = false;
if (osType === "Windows_NT") {
// Cannot use mkdir because Windows mkdir command automatically creates non-existent directories.
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping /foo/bar/doo/dah", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "IP address must be specified.";
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"mkdir /foo/bar/doo/dah", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = ' directory';
}
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");
n3.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.be.a.String();
if (msg.payload.indexOf(expected) >= 0) {
// The error text on the stderr stream might get sent in more than one piece.
// We only need to know that it occurred before the return code is sent,
// as checked below in node n4.
expectedFound = true;
}
}
catch(err) { done(err); }
});
n4.on("input", function(msg) {
try {
expectedFound.should.be.true;
msg.should.have.property("payload");
msg.payload.should.have.property("code",1);
done();
}
catch(err) { done(err); }
});
n1.receive({payload:null});
});
});
it('should be able to timeout a long running command', function(done) {
var flow;
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping", addpay:false, append:"192.0.2.0 -n 1 -w 1000", timer:"0.3", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"0.3", useSpawn:"true", oldrc:"false"},
{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) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("code",null);
msg.payload.should.have.property("signal","SIGTERM");
done();
}
catch(err) { done(err); }
});
n1.receive({});
});
});
it('should be able to kill a long running command', function(done) {
var flow;
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping", addpay:false, append:"192.0.2.0 -n 1 -w 1000 > NUL", timer:"2", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"2", oldrc:"false"},
{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) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("signal","SIGTERM");
done();
}
catch(err) { done(err); }
});
setTimeout(function() {
n1.receive({kill:""});
},150);
n1.receive({});
});
});
it('should be able to kill a long running command - SIGINT', function(done) {
var flow;
var sig = "SIGINT";
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping", addpay:false, append:"192.0.2.0 -n 1 -w 1000 > NUL", timer:"2", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"sleep", addpay:false, append:"1", timer:"2", oldrc:"false"},
{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) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("signal",sig);
done();
}
catch(err) { done(err); }
});
setTimeout(function() {
n1.receive({kill:"SIGINT"});
},150);
n1.receive({});
});
});
it('should preserve existing properties on msg object', function(done) {
var flow;
var expected;
if (osType === "Windows_NT") {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"cmd /C echo this now works", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "this now works\r\n";
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"echo this now works", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "this now works\n";
}
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(expected);
msg.should.have.property("foo",123);
msg = messages[1];
msg.should.have.property("payload");
should.exist(msg.payload);
msg.payload.should.have.property("code",0);
msg.should.have.property("foo",123);
done();
}
catch(err) {
done(err);
}
};
n2.on("input", function(msg) {
messages[0] = msg;
completeTest();
});
n4.on("input", function(msg) {
messages[1] = msg;
completeTest();
});
n1.receive({payload:null,foo:123});
});
});
it('should preserve existing properties on msg object for a failing command', function(done) {
var flow;
var expected;
if (osType === "Windows_NT") {
// Cannot use mkdir because Windows mkdir command automatically creates non-existent directories.
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"ping /foo/bar/doo/dah", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = "IP address must be specified.";
} else {
flow = [{id:"n1",type:"exec",wires:[["n2"],["n3"],["n4"]],command:"mkdir /foo/bar/doo/dah", addpay:false, append:"", useSpawn:"true", oldrc:"false"},
{id:"n2", type:"helper"},{id:"n3", type:"helper"},{id:"n4", type:"helper"}];
expected = ' directory';
}
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() {
if (messages[0] === null || messages[1] === null) {
// We have not yet had responses on both ports.
return
}
try {
var msg = messages[0];
msg.should.have.property("payload");
msg.payload.should.be.a.String();
msg.should.have.property("foo","baz");
msg = messages[1];
msg.should.have.property("payload");
msg.payload.should.have.property("code",1);
msg.should.have.property("foo","baz");
done();
}
catch(err) {
done(err);
}
};
n3.on("input", function(msg) {
messages[0] = msg;
completeTest();
});
n4.on("input", function(msg) {
messages[1] = msg;
completeTest();
});
n1.receive({payload:null,foo:"baz"});
});
});
});
});
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