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node-red/test/unit/@node-red/runtime/lib/flows/Subflow_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 clone = require('clone');
var util = require("util");
var NR_TEST_UTILS = require("nr-test-utils");
var Subflow = NR_TEST_UTILS.require("@node-red/runtime/lib/flows/Subflow");
var Flow = NR_TEST_UTILS.require("@node-red/runtime/lib/flows/Flow");
var flowUtils = NR_TEST_UTILS.require("@node-red/runtime/lib/flows/util");
var flows = NR_TEST_UTILS.require("@node-red/runtime/lib/flows");
var Node = NR_TEST_UTILS.require("@node-red/runtime/lib/nodes/Node");
var typeRegistry = NR_TEST_UTILS.require("@node-red/registry");
describe('Subflow', function() {
var getType;
var stoppedNodes = {};
var currentNodes = {};
var rewiredNodes = {};
var createCount = 0;
beforeEach(function() {
currentNodes = {};
stoppedNodes = {};
rewiredNodes = {};
createCount = 0;
var runtime = {
settings:{},
log:{
log: sinon.stub(), // function() { console.log("l",[...arguments].map(a => JSON.stringify(a)).join(" ")) },//
debug: sinon.stub(), // function() { console.log("d",[...arguments].map(a => JSON.stringify(a)).join(" ")) },//sinon.stub(),
trace: sinon.stub(), // function() { console.log("t",[...arguments].map(a => JSON.stringify(a)).join(" ")) },//sinon.stub(),
warn: sinon.stub(), // function() { console.log("w",[...arguments].map(a => JSON.stringify(a)).join(" ")) },//sinon.stub(),
info: sinon.stub(), // function() { console.log("i",[...arguments].map(a => JSON.stringify(a)).join(" ")) },//sinon.stub(),
metric: sinon.stub(),
_: function() { return "abc"}
}
}
Flow.init(runtime);
Subflow.init(runtime);
});
var TestNode = function(n) {
Node.call(this,n);
this._index = createCount++;
this.scope = n.scope;
var node = this;
this.foo = n.foo;
this.handled = 0;
this.stopped = false;
this.received = null;
currentNodes[node.id] = node;
this.on('input',function(msg) {
// console.log(this.id,msg.payload);
node.handled++;
node.received = msg.payload;
node.send(msg);
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.__updateWires = this.updateWires;
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
node.__updateWires(newWires);
};
}
util.inherits(TestNode,Node);
var TestErrorNode = function(n) {
Node.call(this,n);
this._index = createCount++;
this.scope = n.scope;
this.name = n.name;
var node = this;
this.foo = n.foo;
this.handled = 0;
this.stopped = false;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.error("test error",msg);
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.__updateWires = this.updateWires;
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
node.__updateWires(newWires);
};
}
util.inherits(TestErrorNode,Node);
var TestStatusNode = function(n) {
Node.call(this,n);
this._index = createCount++;
this.scope = n.scope;
this.name = n.name;
var node = this;
this.foo = n.foo;
this.handled = 0;
this.stopped = false;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.status({text:"test status"});
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.__updateWires = this.updateWires;
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
node.__updateWires(newWires);
};
}
util.inherits(TestStatusNode,Node);
var TestAsyncNode = function(n) {
Node.call(this,n);
var node = this;
this.scope = n.scope;
this.foo = n.foo;
this.handled = 0;
this.messages = [];
this.stopped = false;
this.closeDelay = n.closeDelay || 50;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.messages.push(msg);
node.send(msg);
});
this.on('close',function(done) {
setTimeout(function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
done();
},node.closeDelay);
});
}
util.inherits(TestAsyncNode,Node);
var TestEnvNode = function(n) {
Node.call(this,n);
this._index = createCount++;
this.scope = n.scope;
this.foo = n.foo;
var node = this;
this.stopped = false;
this.received = null;
currentNodes[node.id] = node;
this.on('input',function(msg) {
var flow = node._flow;
var val = flow.getSetting("__KEY__");
node.received = val;
node.send({payload: val});
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.__updateWires = this.updateWires;
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
node.__updateWires(newWires);
};
}
util.inherits(TestEnvNode,Node);
before(function() {
getType = sinon.stub(typeRegistry,"get",function(type) {
if (type=="test") {
return TestNode;
} else if (type=="testError"){
return TestErrorNode;
} else if (type=="testStatus"){
return TestStatusNode;
} else if (type=="testEnv"){
return TestEnvNode;
} else {
return TestAsyncNode;
}
});
});
after(function() {
getType.restore();
});
describe('#start',function() {
it("instantiates a subflow and stops it",function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3","4"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"4",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 2","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-2","port":0}]},{"wires":[{"id":"sf1","port":0}]}]},
{id:"sf1-1",type:"test","z":"sf1",x:166,y:99,"wires":[["sf1-2"]]},
{id:"sf1-2",type:"test","z":"sf1",foo:"sf1-cn",x:166,y:99,"wires":[[]]},
{id:"sf1-cn",type:"test","z":"sf1"}
]);
var flow = Flow.create({handleError: (a,b,c) => { console.log(a,b,c); }},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
Object.keys(activeNodes).should.have.length(4);
// var sfInstanceId = Object.keys(activeNodes)[5];
// var sfInstanceId2 = Object.keys(activeNodes)[6];
var sfConfigId = Object.keys(activeNodes)[4];
flow.getNode('1').should.have.a.property('id','1');
flow.getNode('2').should.have.a.property('id','2');
flow.getNode('3').should.have.a.property('id','3');
flow.getNode('4').should.have.a.property('id','4');
// flow.getNode(sfInstanceId).should.have.a.property('id',sfInstanceId);
// flow.getNode(sfInstanceId2).should.have.a.property('id',sfInstanceId2);
// flow.getNode(sfConfigId).should.have.a.property('id',sfConfigId);
// flow.getNode(sfInstanceId2).should.have.a.property('foo',sfConfigId);
Object.keys(currentNodes).should.have.length(6);
currentNodes.should.have.a.property("1");
currentNodes.should.not.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes.should.have.a.property("4");
// currentNodes.should.have.a.property(sfInstanceId);
// currentNodes.should.have.a.property(sfInstanceId2);
// currentNodes.should.have.a.property(sfConfigId);
currentNodes["1"].should.have.a.property("handled",0);
currentNodes["3"].should.have.a.property("handled",0);
currentNodes["4"].should.have.a.property("handled",0);
// currentNodes[sfInstanceId].should.have.a.property("handled",0);
// currentNodes[sfInstanceId2].should.have.a.property("handled",0);
currentNodes["1"].receive({payload:"test"});
setTimeout(function() {
currentNodes["1"].should.have.a.property("handled",1);
// currentNodes[sfInstanceId].should.have.a.property("handled",1);
// currentNodes[sfInstanceId2].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",1);
currentNodes["4"].should.have.a.property("handled",1);
flow.stop().then(function() {
Object.keys(currentNodes).should.have.length(0);
Object.keys(stoppedNodes).should.have.length(6);
// currentNodes.should.not.have.a.property("1");
// currentNodes.should.not.have.a.property("3");
// currentNodes.should.not.have.a.property("4");
// // currentNodes.should.not.have.a.property(sfInstanceId);
// // currentNodes.should.not.have.a.property(sfInstanceId2);
// // currentNodes.should.not.have.a.property(sfConfigId);
// stoppedNodes.should.have.a.property("1");
// stoppedNodes.should.have.a.property("3");
// stoppedNodes.should.have.a.property("4");
// // stoppedNodes.should.have.a.property(sfInstanceId);
// // stoppedNodes.should.have.a.property(sfInstanceId2);
// // stoppedNodes.should.have.a.property(sfConfigId);
done();
});
},150);
});
it("instantiates a subflow inside a subflow and stops it",function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3","4"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"4",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 1","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-2","port":0}]}]},
{id:"sf2",type:"subflow","name":"Subflow 2","info":"",
"in":[{wires:[]}],"out":[{"wires":[{"id":"sf2","port":0}]}]},
{id:"sf1-1",type:"test","z":"sf1",x:166,y:99,"wires":[["sf1-2"]]},
{id:"sf1-2",type:"subflow:sf2","z":"sf1",x:166,y:99,"wires":[[]]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
currentNodes["1"].should.have.a.property("handled",0);
currentNodes["3"].should.have.a.property("handled",0);
currentNodes["1"].receive({payload:"test"});
setTimeout(function() {
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",1);
flow.stop().then(function() {
Object.keys(currentNodes).should.have.length(0);
done();
});
},150);
});
it("rewires a subflow node on update/start",function(done){
var rawConfig = [
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"4",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 2","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-2","port":0}]}]},
{id:"sf1-1",type:"test1","z":"sf1",x:166,y:99,"wires":[["sf1-2"]]},
{id:"sf1-2",type:"test2","z":"sf1",x:166,y:99,"wires":[[]]}
];
var config = flowUtils.parseConfig(clone(rawConfig));
rawConfig[2].wires = [["4"]];
var newConfig = flowUtils.parseConfig(rawConfig);
var diff = flowUtils.diffConfigs(config,newConfig);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
Object.keys(activeNodes).should.have.length(4);
// var sfInstanceId = Object.keys(activeNodes)[4];
// var sfInstanceId2 = Object.keys(activeNodes)[5];
currentNodes["1"].should.have.a.property("handled",0);
currentNodes["3"].should.have.a.property("handled",0);
currentNodes["4"].should.have.a.property("handled",0);
currentNodes["1"].receive({payload:"test"});
setTimeout(function() {
currentNodes["1"].should.have.a.property("handled",1);
// currentNodes[sfInstanceId].should.have.a.property("handled",1);
// currentNodes[sfInstanceId2].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",1);
currentNodes["4"].should.have.a.property("handled",0);
flow.update(newConfig,newConfig.flows["t1"]);
flow.start(diff)
currentNodes["1"].receive({payload:"test2"});
setTimeout(function() {
currentNodes["1"].should.have.a.property("handled",2);
// currentNodes[sfInstanceId].should.have.a.property("handled",2);
// currentNodes[sfInstanceId2].should.have.a.property("handled",2);
currentNodes["3"].should.have.a.property("handled",1);
currentNodes["4"].should.have.a.property("handled",1);
flow.stop().then(function() {
done();
});
},150);
},150);
});
});
describe('#stop', function() {
it("stops subflow instance nodes",function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 2","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-1","port":0}]}]},
{id:"sf1-1",type:"test","z":"sf1",x:166,y:99,"wires":[[]]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
Object.keys(activeNodes).should.have.length(3);
Object.keys(stoppedNodes).should.have.length(0);
flow.stop(["2"]).then(function() {
Object.keys(currentNodes).should.have.length(2);
Object.keys(stoppedNodes).should.have.length(1);
done();
}).catch(done);
});
});
describe("#handleStatus",function() {
it("passes a status event to the subflow's parent tab status node - all scope",function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 2","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-1","port":0}]}]},
{id:"sf1-1",type:"testStatus",name:"test-status-node","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"status",foo:"a",wires:[]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({payload:"test"});
setTimeout(function() {
currentNodes["sn"].should.have.a.property("handled",1);
var statusMessage = currentNodes["sn"].messages[0];
statusMessage.should.have.a.property("status");
statusMessage.status.should.have.a.property("text","test status");
statusMessage.status.should.have.a.property("source");
statusMessage.status.source.should.have.a.property("type","testStatus");
statusMessage.status.source.should.have.a.property("name","test-status-node");
flow.stop().then(function() {
done();
});
},150);
});
it("passes a status event to the subflow's parent tab status node - targetted scope",function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 2","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-1","port":0}]}]},
{id:"sf1-1",type:"testStatus",name:"test-status-node","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"status",scope:["2"],wires:[]}
]);
var parentFlowStatusCalled = false;
var flow = Flow.create({handleStatus:() => { parentFlowStatusCalled = true} },config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({payload:"test"});
setTimeout(function() {
parentFlowStatusCalled.should.be.false();
currentNodes["sn"].should.have.a.property("handled",1);
var statusMessage = currentNodes["sn"].messages[0];
statusMessage.should.have.a.property("status");
statusMessage.status.should.have.a.property("text","test status");
statusMessage.status.should.have.a.property("source");
statusMessage.status.source.should.have.a.property("type","testStatus");
statusMessage.status.source.should.have.a.property("name","test-status-node");
flow.stop().then(function() {
done();
});
},150);
});
});
describe("status node", function() {
it("emits a status event when a message is passed to a subflow-status node - msg.payload as string", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{
id:"sf1",
type:"subflow",
name:"Subflow 2",
info:"",
in:[{wires:[{id:"sf1-1"}]}],
out:[{wires:[{id:"sf1-1",port:0}]}],
status:{wires:[{id:"sf1-1", port:0}]}
},
{id:"sf1-1",type:"test",name:"test","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"status",foo:"a",wires:[]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({payload:"test-payload"});
setTimeout(function() {
currentNodes["sn"].should.have.a.property("handled",1);
var statusMessage = currentNodes["sn"].messages[0];
statusMessage.should.have.a.property("status");
statusMessage.status.should.have.a.property("text","test-payload");
statusMessage.status.should.have.a.property("source");
statusMessage.status.source.should.have.a.property("id","2");
statusMessage.status.source.should.have.a.property("type","subflow:sf1");
flow.stop().then(function() {
done();
});
},150);
});
it("emits a status event when a message is passed to a subflow-status node - msg.payload as status obj", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{
id:"sf1",
type:"subflow",
name:"Subflow 2",
info:"",
in:[{wires:[{id:"sf1-1"}]}],
out:[{wires:[{id:"sf1-1",port:0}]}],
status:{wires:[{id:"sf1-1", port:0}]}
},
{id:"sf1-1",type:"test",name:"test","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"status",foo:"a",wires:[]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({payload:{text:"payload-obj"}});
setTimeout(function() {
currentNodes["sn"].should.have.a.property("handled",1);
var statusMessage = currentNodes["sn"].messages[0];
statusMessage.should.have.a.property("status");
statusMessage.status.should.have.a.property("text","payload-obj");
statusMessage.status.should.have.a.property("source");
statusMessage.status.source.should.have.a.property("id","2");
statusMessage.status.source.should.have.a.property("type","subflow:sf1");
flow.stop().then(function() {
done();
});
},150);
});
it("emits a status event when a message is passed to a subflow-status node - msg.status", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{
id:"sf1",
type:"subflow",
name:"Subflow 2",
info:"",
in:[{wires:[{id:"sf1-1"}]}],
out:[{wires:[{id:"sf1-1",port:0}]}],
status:{wires:[{id:"sf1-1", port:0}]}
},
{id:"sf1-1",type:"test",name:"test","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"status",foo:"a",wires:[]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({status:{text:"status-obj"}});
setTimeout(function() {
currentNodes["sn"].should.have.a.property("handled",1);
var statusMessage = currentNodes["sn"].messages[0];
statusMessage.should.have.a.property("status");
statusMessage.status.should.have.a.property("text","status-obj");
statusMessage.status.should.have.a.property("source");
statusMessage.status.source.should.have.a.property("id","2");
statusMessage.status.source.should.have.a.property("type","subflow:sf1");
flow.stop().then(function() {
done();
});
},150);
});
it("does not emit a regular status event if it contains a subflow-status node", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{
id:"sf1",
type:"subflow",
name:"Subflow 2",
info:"",
in:[{wires:[{id:"sf1-1"}]}],
out:[{wires:[{id:"sf1-1",port:0}]}],
status:{wires:[]}
},
{id:"sf1-1",type:"testStatus",name:"test-status-node","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"status",foo:"a",wires:[]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({payload:"test-payload"});
currentNodes["sn"].should.have.a.property("handled",0);
flow.stop().then(function() {
done();
});
});
})
describe("#handleError",function() {
it("passes an error event to the subflow's parent tab catch node - all scope",function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 2","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-1","port":0}]}]},
{id:"sf1-1",name:"test-error-node",type:"testError","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"catch",foo:"a",wires:[]}
]);
var flow = Flow.create({},config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({payload:"test"});
setTimeout(function() {
currentNodes["sn"].should.have.a.property("handled",1);
var statusMessage = currentNodes["sn"].messages[0];
statusMessage.should.have.a.property("error");
statusMessage.error.should.have.a.property("message","test error");
statusMessage.error.should.have.a.property("source");
statusMessage.error.source.should.have.a.property("type","testError");
statusMessage.error.source.should.have.a.property("name","test-error-node");
flow.stop().then(function() {
done();
});
},150);
});
it("passes an error event to the subflow's parent tab catch node - targetted scope",function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",name:"a",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"a",wires:[]},
{id:"sf1",type:"subflow","name":"Subflow 2","info":"",
"in":[{"wires":[{"id":"sf1-1"}]}],"out":[{"wires":[{"id":"sf1-1","port":0}]}]},
{id:"sf1-1",name:"test-error-node",type:"testError","z":"sf1",x:166,y:99,"wires":[[]]},
{id:"sn",x:10,y:10,z:"t1",type:"catch",scope:["2"],wires:[]}
]);
var parentFlowErrorCalled = false;
var flow = Flow.create({handleError:() => { parentFlowErrorCalled = true} },config,config.flows["t1"]);
flow.start();
var activeNodes = flow.getActiveNodes();
activeNodes["1"].receive({payload:"test"});
setTimeout(function() {
parentFlowErrorCalled.should.be.false();
currentNodes["sn"].should.have.a.property("handled",1);
var statusMessage = currentNodes["sn"].messages[0];
statusMessage.should.have.a.property("error");
statusMessage.error.should.have.a.property("message","test error");
statusMessage.error.should.have.a.property("source");
statusMessage.error.source.should.have.a.property("type","testError");
statusMessage.error.source.should.have.a.property("name","test-error-node");
flow.stop().then(function() {
done();
});
},150);
});
});
describe("#env var", function() {
// should be changed according to internal env var representation
function setEnv(node, key, val) {
var flow = node._flow;
if (flow) {
var env = flow.env;
if (!env) {
env = flow.env = {};
}
env[key] = {
name: key,
type: "str",
value: val
};
}
}
it("can access process env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 2",info:"",
"in":[ {wires:[{id:"sf1-1"}]} ],
"out":[ {wires:[{id:"sf1-2",port:0}]} ]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"testEnv",z:"sf1",foo:"sf1-cn",x:166,y:99,wires:[[]]}
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
process.env["__KEY__"] = "__VAL__";
currentNodes["1"].receive({payload: "test"});
setTimeout(function() {
currentNodes["3"].should.have.a.property("received", "__VAL__");
flow.stop().then(function() {
done();
});
},150);
});
it("can access subflow env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 2",info:"",
"in":[ {wires:[{id:"sf1-1"}]} ],
"out":[ {wires:[{id:"sf1-2",port:0}]} ]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"testEnv",z:"sf1",foo:"sf1.2",x:166,y:99,wires:[[]]}
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
var testenv_node = null;
for (var n in currentNodes) {
var node = currentNodes[n];
if (node.type === "testEnv") {
testenv_node = node;
break;
}
}
process.env["__KEY__"] = "__VAL0__";
setEnv(testenv_node, "__KEY__", "__VAL1__");
currentNodes["1"].receive({payload: "test"});
setTimeout(function() {
currentNodes["3"].should.have.a.property("received", "__VAL1__");
flow.stop().then(function() {
done();
});
},150);
});
it("can access nested subflow env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 1",info:"",
in:[{wires:[{id:"sf1-1"}]}],
out:[{wires:[{id:"sf1-2",port:0}]}]},
{id:"sf2",type:"subflow",name:"Subflow 2",info:"",
in:[{wires:[{id:"sf2-1"}]}],
out:[{wires:[{id:"sf2-2",port:0}]}]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"subflow:sf2",z:"sf1",x:166,y:99,wires:[[]]},
{id:"sf2-1",type:"test",z:"sf2",foo:"sf2.1",x:166,y:99,wires:[["sf2-2"]]},
{id:"sf2-2",type:"testEnv",z:"sf2",foo:"sf2.2",x:166,y:99,wires:[[]]},
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
var node_sf1_1 = null;
var node_sf2_1 = null;
var testenv_node = null;
for (var n in currentNodes) {
var node = currentNodes[n];
if (node.foo === "sf1.1") {
node_sf1_1 = node;
}
if (node.foo === "sf2.1") {
node_sf2_1 = node;
}
}
process.env["__KEY__"] = "__VAL0__";
currentNodes["1"].receive({payload: "test"});
setTimeout(function() {
currentNodes["3"].should.have.a.property("received", "__VAL0__");
setEnv(node_sf1_1, "__KEY__", "__VAL1__");
currentNodes["1"].receive({payload: "test"});
setTimeout(function() {
currentNodes["3"].should.have.a.property("received", "__VAL1__");
setEnv(node_sf2_1, "__KEY__", "__VAL2__");
currentNodes["1"].receive({payload: "test"});
setTimeout(function() {
currentNodes["3"].should.have.a.property("received", "__VAL2__");
flow.stop().then(function() {
done();
});
},150);
},150);
},150);
});
});
});
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