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node-red/test/red/nodes/Flow_spec.js

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/**
* Copyright 2015 IBM Corp.
*
* 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 Flow = require("../../../red/nodes/Flow");
var flows = require("../../../red/nodes/flows");
var Node = require("../../../red/nodes/Node");
var typeRegistry = require("../../../red/nodes/registry");
var credentials = require("../../../red/nodes/credentials");
describe('Flow', function() {
describe('#constructor',function() {
it('called with an empty flow',function() {
var config = [];
var flow = new Flow(config);
config.should.eql(flow.getFlow());
var nodeCount = 0;
flow.eachNode(function(node) {
nodeCount++;
});
nodeCount.should.equal(0);
});
it('called with a non-empty flow with no missing types', function() {
var getType = sinon.stub(typeRegistry,"get",function(type) {
// For this test, don't care what the actual type is, just
// that this returns a non-false result
return {};
});
try {
var config = [{id:"123",type:"test"}];
var flow = new Flow(config);
config.should.eql(flow.getFlow());
flow.getMissingTypes().should.have.length(0);
} finally {
getType.restore();
}
});
it('identifies missing types in a flow', function() {
var getType = sinon.stub(typeRegistry,"get",function(type) {
if (type == "test") {
return {};
} else {
return null;
}
});
try {
var config = [{id:"123",type:"test"},{id:"456",type:"test1"},{id:"789",type:"test2"}];
var flow = new Flow(config);
config.should.eql(flow.getFlow());
flow.getMissingTypes().should.eql(["test1","test2"]);
} finally {
getType.restore();
}
});
it('extracts node credentials', function() {
var getType = sinon.stub(typeRegistry,"get",function(type) {
// For this test, don't care what the actual type is, just
// that this returns a non-false result
return {};
});
try {
var config = [{id:"123",type:"test",credentials:{a:1,b:2}}];
var resultingConfig = clone(config);
delete resultingConfig[0].credentials;
var flow = new Flow(config);
flow.getFlow().should.eql(resultingConfig);
flow.getMissingTypes().should.have.length(0);
} finally {
getType.restore();
}
});
});
describe('missing types',function() {
it('prevents a flow with missing types from starting', function() {
var getType = sinon.stub(typeRegistry,"get",function(type) {
if (type == "test") {
return {};
} else {
return null;
}
});
try {
var config = [{id:"123",type:"test"},{id:"456",type:"test1"},{id:"789",type:"test2"}];
var flow = new Flow(config);
flow.getMissingTypes().should.have.length(2);
/*jshint immed: false */
(function() {
flow.start();
}).should.throw();
} finally {
getType.restore();
}
});
it('removes missing types as they are registered', function() {
var getType = sinon.stub(typeRegistry,"get",function(type) {
if (type == "test") {
return {};
} else {
return null;
}
});
var flowStart;
try {
var config = [{id:"123",type:"test"},{id:"456",type:"test1"},{id:"789",type:"test2"}];
var flow = new Flow(config);
flowStart = sinon.stub(flow,"start",function() {this.started = true;});
config.should.eql(flow.getFlow());
flow.getMissingTypes().should.eql(["test1","test2"]);
var resp = flow.typeRegistered("a-random-node");
resp.should.be.false;
resp = flow.typeRegistered("test1");
resp.should.be.true;
flow.getMissingTypes().should.eql(["test2"]);
flowStart.called.should.be.false;
resp = flow.typeRegistered("test2");
resp.should.be.true;
flow.getMissingTypes().should.eql([]);
flowStart.called.should.be.false;
} finally {
flowStart.restore();
getType.restore();
}
});
it('starts flows once all missing types are registered', function() {
var getType = sinon.stub(typeRegistry,"get",function(type) {
if (type == "test") {
return {};
} else {
return null;
}
});
var flowStart;
try {
var config = [{id:"123",type:"test"},{id:"456",type:"test1"},{id:"789",type:"test2"}];
var flow = new Flow(config);
// First call to .start throws err due to missing types
/*jshint immed: false */
(function() {
flow.start();
}).should.throw();
// Stub .start so when missing types are registered, we don't actually try starting them
flowStart = sinon.stub(flow,"start",function() {});
config.should.eql(flow.getFlow());
flow.getMissingTypes().should.eql(["test1","test2"]);
flow.typeRegistered("test1");
flow.typeRegistered("test2");
flow.getMissingTypes().should.have.length(0);
flowStart.called.should.be.true;
} finally {
flowStart.restore();
getType.restore();
}
});
});
describe('#start',function() {
var getType;
var getNode;
var credentialsClean;
var stoppedNodes = {};
var currentNodes = {};
var rewiredNodes = {};
var createCount = 0;
var TestNode = function(n) {
Node.call(this,n);
createCount++;
var node = this;
this.handled = 0;
this.stopped = false;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.send(msg);
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
};
}
util.inherits(TestNode,Node);
before(function() {
getNode = sinon.stub(flows,"get",function(id) {
return currentNodes[id];
});
getType = sinon.stub(typeRegistry,"get",function(type) {
return TestNode;
});
credentialsClean = sinon.stub(credentials,"clean",function(config){});
});
after(function() {
getType.restore();
credentialsClean.restore();
getNode.restore();
});
beforeEach(function() {
currentNodes = {};
stoppedNodes = {};
rewiredNodes = {};
createCount = 0;
});
it("instantiates an initial configuration and stops it",function(done) {
var config = [{id:"1",type:"test",foo:"a",wires:["2"]},{id:"2",type:"test",bar:"b",wires:[["3"]]},{id:"3",type:"test",foo:"a",wires:[]}];
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes["1"].should.have.a.property("handled",0);
currentNodes["2"].should.have.a.property("handled",0);
currentNodes["3"].should.have.a.property("handled",0);
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",1);
flow.stop().then(function() {
currentNodes.should.not.have.a.property("1");
currentNodes.should.not.have.a.property("2");
currentNodes.should.not.have.a.property("3");
stoppedNodes.should.have.a.property("1");
stoppedNodes.should.have.a.property("2");
stoppedNodes.should.have.a.property("3");
done();
});
});
it("rewires nodes specified by diff",function(done) {
var config = [{id:"1",type:"test",foo:"a",wires:["2"]},{id:"2",type:"test",bar:"b",wires:[["3"]]},{id:"3",type:"test",foo:"a",wires:[]}];
var flow = new Flow(config);
createCount.should.equal(0);
flow.start();
createCount.should.equal(3);
flow.start({rewire:"2"});
createCount.should.equal(3);
rewiredNodes.should.have.a.property("2");
done();
});
});
describe('#stop', function() {
var getType;
var getNode;
var credentialsClean;
var stoppedNodes = {};
var currentNodes = {};
var TestNode = function(n) {
Node.call(this,n);
var node = this;
this.handled = 0;
this.stopped = false;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.send(msg);
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
}
util.inherits(TestNode,Node);
var TestAsyncNode = function(n) {
Node.call(this,n);
var node = this;
this.handled = 0;
this.stopped = false;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.send(msg);
});
this.on('close',function(done) {
setTimeout(function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
done();
},500);
});
}
util.inherits(TestAsyncNode,Node);
before(function() {
getNode = sinon.stub(flows,"get",function(id) {
return currentNodes[id];
});
getType = sinon.stub(typeRegistry,"get",function(type) {
if (type=="test") {
return TestNode;
} else {
return TestAsyncNode;
}
});
credentialsClean = sinon.stub(credentials,"clean",function(config){});
});
after(function() {
getType.restore();
credentialsClean.restore();
getNode.restore();
});
beforeEach(function() {
currentNodes = {};
stoppedNodes = {};
});
it("stops all nodes",function(done) {
var config = [{id:"1",type:"test",foo:"a",wires:["2"]},{id:"2",type:"asyncTest",bar:"b",wires:[["3"]]},{id:"3",type:"test",foo:"a",wires:[]}];
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
flow.stop().then(function() {
currentNodes.should.not.have.a.property("1");
currentNodes.should.not.have.a.property("2");
currentNodes.should.not.have.a.property("3");
stoppedNodes.should.have.a.property("1");
stoppedNodes.should.have.a.property("2");
stoppedNodes.should.have.a.property("3");
done();
});
});
it("stops nodes specified by diff",function(done) {
var config = [{id:"1",type:"test",foo:"a",wires:["2"]},{id:"2",type:"test",bar:"b",wires:[["3"]]},{id:"3",type:"test",foo:"a",wires:[]}];
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
flow.stop({stop:["2"]}).then(function() {
currentNodes.should.have.a.property("1");
currentNodes.should.not.have.a.property("2");
currentNodes.should.have.a.property("3");
stoppedNodes.should.not.have.a.property("1");
stoppedNodes.should.have.a.property("2");
stoppedNodes.should.not.have.a.property("3");
done();
});
});
});
describe('#diffConfig',function() {
var getType;
var getNode;
var credentialsClean;
var stoppedNodes = {};
var currentNodes = {};
var TestNode = function(n) {
Node.call(this,n);
var node = this;
this.handled = 0;
this.stopped = false;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.send(msg);
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
}
util.inherits(TestNode,Node);
before(function() {
getNode = sinon.stub(flows,"get",function(id) {
return currentNodes[id];
});
getType = sinon.stub(typeRegistry,"get",function(type) {
return TestNode;
});
credentialsClean = sinon.stub(credentials,"clean",function(config){});
});
after(function() {
getType.restore();
credentialsClean.restore();
getNode.restore();
});
beforeEach(function() {
currentNodes = {};
stoppedNodes = {};
});
it('handles an identical configuration', function() {
var config = [{id:"123",type:"test",foo:"a",wires:[]}];
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(config,"full");
diffResult.should.have.property("config",config);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop",["123"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(config,"nodes");
diffResult.should.have.property("config",config);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(config,"flows");
diffResult.should.have.property("config",config);
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",[]);
});
it('identifies nodes with changed properties, including downstream linked', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[]},{id:"2",type:"test",bar:"b",wires:[[1]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig[0].foo = "b";
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",["1"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop",["1","2"]);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('identifies nodes with changed properties, including upstream linked', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[]},{id:"2",type:"test",bar:"b",wires:[[1]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig[1].bar = "c";
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",["2"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2"]);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('identifies nodes with changed credentials, including downstream linked', function() {
var config = [{id:"1",type:"test",wires:[]},{id:"2",type:"test",bar:"b",wires:[[1]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig[0].credentials = {};
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
newConfig[0].credentials = {};
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",["1"]);
diffResult.should.have.property("rewire",[]);
newConfig[0].credentials = {};
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2"]);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('identifies nodes with changed wiring', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[]},{id:"2",type:"test",bar:"b",wires:[[1]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig[1].wires[0][0] = 2;
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",["2"]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2"]);
diffResult.should.have.property("rewire",["2"]);
diffResult.should.have.property("config",newConfig);
});
it('identifies nodes with changed wiring - second connection added', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[]},{id:"2",type:"test",bar:"b",wires:[[1]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig[1].wires[0].push([1]);
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",["2"]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2"]);
diffResult.should.have.property("rewire",["2"]);
diffResult.should.have.property("config",newConfig);
});
it('identifies nodes with changed wiring - second connection added', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[]},{id:"2",type:"test",bar:"b",wires:[[1]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig[1].wires[0].push([1]);
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",["2"]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2"]);
diffResult.should.have.property("rewire",["2"]);
diffResult.should.have.property("config",newConfig);
});
it('identifies nodes with changed wiring - node connected', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[["2"]]},{id:"2",type:"test",bar:"b",wires:[[]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig[1].wires.push("3");
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",["2"]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",["2"]);
diffResult.should.have.property("config",newConfig);
});
it('identifies new nodes', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig.push({id:"2",type:"test",bar:"b",wires:[[1]]});
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1"]);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('identifies deleted nodes', function() {
var config = [{id:"1",type:"test",foo:"a",wires:[[2]]},{id:"2",type:"test",bar:"b",wires:[[3]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = clone(config);
newConfig.splice(1,1);
newConfig[0].wires = [];
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",["2"]);
diffResult.should.have.property("rewire",["1"]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2","3"]);
diffResult.should.have.property("rewire",["1"]);
diffResult.should.have.property("config",newConfig);
});
it('identifies config nodes changes', function() {
var config = [{id:"1",type:"test",foo:"configNode",wires:[[2]]},{id:"2",type:"test",bar:"b",wires:[[3]]},{id:"3",type:"test",foo:"a",wires:[]},{id:"configNode",type:"testConfig"}];
var newConfig = clone(config);
newConfig[3].foo = "bar";
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.stop.sort().should.eql(["1","2","3","configNode"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",["1","configNode"]);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.stop.sort().should.eql(["1","2","3","configNode"]);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('marks a parent subflow as changed for an internal property change', function() {
var config = [
{id:"1",type:"test",wires:[[2]]},
{id:"2",type:"subflow:sf1",wires:[[3]]},
{id:"3",type:"test",wires:[]},
{id:"sf1",type:"subflow"},
{id:"sf1-1",z:"sf1",type:"test",foo:"a",wires:[]},
{id:"4",type:"subflow:sf1",wires:[]}
];
var newConfig = clone(config);
newConfig[4].foo = "b";
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop").with.lengthOf(6);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop").with.lengthOf(4);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop").with.lengthOf(6);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('marks a parent subflow as changed for an internal wiring change', function() {
var config = [
{id:"1",type:"test",wires:[[2]]},
{id:"2",type:"subflow:sf1",wires:[[3]]},
{id:"3",type:"test",wires:[]},
{id:"sf1",type:"subflow"},
{id:"sf1-1",z:"sf1",type:"test",wires:[]},
{id:"sf1-2",z:"sf1",type:"test",wires:[]}
];
var newConfig = clone(config);
newConfig[4].wires = [["sf1-2"]];
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop").with.lengthOf(3);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('marks a parent subflow as changed for an internal node delete', function() {
var config = [
{id:"1",type:"test",wires:[[2]]},
{id:"2",type:"subflow:sf1",wires:[[3]]},
{id:"3",type:"test",wires:[]},
{id:"sf1",type:"subflow"},
{id:"sf1-1",z:"sf1",type:"test",wires:[]},
{id:"sf1-2",z:"sf1",type:"test",wires:[]}
];
var newConfig = clone(config);
newConfig.splice(5,1);
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop").with.lengthOf(3);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('marks a parent subflow as changed for an internal subflow wiring change - input removed', function() {
var config = [
{id:"1",type:"test",wires:[[2]]},
{id:"2",type:"subflow:sf1",wires:[[3]]},
{id:"3",type:"test",wires:[]},
{id:"sf1",type:"subflow","in": [{"wires": [{"id": "sf1-1"}]}],"out": [{"wires": [{"id": "sf1-2","port": 0}]}]},
{id:"sf1-1",z:"sf1",type:"test",wires:[]},
{id:"sf1-2",z:"sf1",type:"test",wires:[]}
];
var newConfig = clone(config);
newConfig[3].in[0].wires = [];
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop").with.lengthOf(3);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('marks a parent subflow as changed for an internal subflow wiring change - input added', function() {
var config = [
{id:"1",type:"test",wires:[[2]]},
{id:"2",type:"subflow:sf1",wires:[[3]]},
{id:"3",type:"test",wires:[]},
{id:"sf1",type:"subflow","in": [{"wires": [{"id": "sf1-1"}]}],"out": [{"wires": [{"id": "sf1-2","port": 0}]}]},
{id:"sf1-1",z:"sf1",type:"test",wires:[]},
{id:"sf1-2",z:"sf1",type:"test",wires:[]}
];
var newConfig = clone(config);
newConfig[3].in[0].wires.push({"id":"sf1-2"});
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop").with.lengthOf(3);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('marks a parent subflow as changed for an internal subflow wiring change - output added', function() {
var config = [
{id:"1",type:"test",wires:[[2]]},
{id:"2",type:"subflow:sf1",wires:[[3]]},
{id:"3",type:"test",wires:[]},
{id:"sf1",type:"subflow","in": [{"wires": [{"id": "sf1-1"}]}],"out": [{"wires": [{"id": "sf1-2","port": 0}]}]},
{id:"sf1-1",z:"sf1",type:"test",wires:[]},
{id:"sf1-2",z:"sf1",type:"test",wires:[]}
];
var newConfig = clone(config);
newConfig[3].out[0].wires.push({"id":"sf1-2","port":0});
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop").with.lengthOf(3);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
it('marks a parent subflow as changed for an internal subflow wiring change - output removed', function() {
var config = [
{id:"1",type:"test",wires:[[2]]},
{id:"2",type:"subflow:sf1",wires:[[3]]},
{id:"3",type:"test",wires:[]},
{id:"sf1",type:"subflow","in": [{"wires": [{"id": "sf1-1"}]}],"out": [{"wires": [{"id": "sf1-2","port": 0}]}]},
{id:"sf1-1",z:"sf1",type:"test",wires:[]},
{id:"sf1-2",z:"sf1",type:"test",wires:[]}
];
var newConfig = clone(config);
newConfig[3].out[0].wires = [];
var flow = new Flow(config);
flow.start();
flow.getMissingTypes().should.have.length(0);
var diffResult = flow.diffConfig(newConfig,"full");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","full");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("config",newConfig);
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop").with.lengthOf(3);
diffResult.should.have.property("rewire",[]);
diffResult = flow.diffConfig(newConfig,"flows");
diffResult.should.have.property("type","flows");
diffResult.should.have.property("stop").with.lengthOf(5);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
});
describe("#diffConfig",function() {
return;
var getType;
var getNode;
var credentialsClean;
var stoppedNodes = {};
var currentNodes = {};
var TestNode = function(n) {
Node.call(this,n);
var node = this;
this.handled = 0;
this.stopped = false;
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled++;
node.send(msg);
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
}
util.inherits(TestNode,Node);
before(function() {
getNode = sinon.stub(flows,"get",function(id) {
return currentNodes[id];
});
getType = sinon.stub(typeRegistry,"get",function(type) {
return TestNode;
});
credentialsClean = sinon.stub(credentials,"clean",function(config){});
});
after(function() {
getType.restore();
credentialsClean.restore();
getNode.restore();
});
beforeEach(function() {
currentNodes = {};
stoppedNodes = {};
});
it('handles an identical configuration', function() {
var config = [{id:"123",type:"test",foo:"a",wires:[]}];
var newConfig = [{id:"123",type:"test",foo:"a",wires:[]}];
var flow = new Flow(config);
flow.start();
var diffResult = flow.diffConfig(newConfig,"nodes");
diffResult.should.have.property("type","nodes");
diffResult.should.have.property("stop",[]);
diffResult.should.have.property("rewire",[]);
diffResult.should.have.property("config",newConfig);
});
});
describe("#dead",function() {
return;
it("stops all nodes on new full deploy",function(done) {
var config = [{id:"1",type:"test",foo:"a",wires:["2"]},{id:"2",type:"test",bar:"b",wires:[["3"]]},{id:"3",type:"test",foo:"a",wires:[]}];
var newConfig = [{id:"4",type:"test",foo:"a",wires:["5"]},{id:"5",type:"test",bar:"b",wires:[["6"]]},{id:"6",type:"test",foo:"a",wires:[]}];
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
flow.applyConfig(newConfig).then(function() {
currentNodes.should.not.have.a.property("1");
currentNodes.should.not.have.a.property("2");
currentNodes.should.not.have.a.property("3");
stoppedNodes.should.have.a.property("1");
stoppedNodes.should.have.a.property("2");
stoppedNodes.should.have.a.property("3");
currentNodes.should.have.a.property("4");
currentNodes.should.have.a.property("5");
currentNodes.should.have.a.property("6");
done();
});
});
return true;
it("stops only modified nodes on 'nodes' deploy",function(done) {
var config = [{id:"1",type:"test",name:"a",wires:["2"]},{id:"2",type:"test",name:"b",wires:[["3"]]},{id:"3",type:"test",name:"c",wires:[]}];
var newConfig = clone(config);
newConfig[1].name = "B";
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes["2"].should.have.a.property("name","b");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",1);
flow.applyConfig(newConfig,"nodes").then(function() {
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes["2"].should.have.a.property("name","B");
stoppedNodes.should.not.have.a.property("1");
stoppedNodes.should.have.a.property("2");
stoppedNodes.should.not.have.a.property("3");
stoppedNodes["2"].should.have.a.property("name","b");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",2);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",2);
done();
});
});
it("stops only modified flows on 'flows' deploy",function(done) {
var config = [{id:"1",type:"test",name:"a",wires:["2"]},{id:"2",type:"test",name:"b",wires:[[]]},{id:"3",type:"test",name:"c",wires:[]}];
var newConfig = clone(config);
newConfig[1].name = "B";
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes["2"].should.have.a.property("name","b");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",0);
currentNodes["3"].receive({payload:"test"});
currentNodes["3"].should.have.a.property("handled",1);
flow.applyConfig(newConfig,"flows").then(function() {
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes["2"].should.have.a.property("name","B");
stoppedNodes.should.have.a.property("1");
stoppedNodes.should.have.a.property("2");
stoppedNodes.should.not.have.a.property("3");
stoppedNodes["2"].should.have.a.property("name","b");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].receive({payload:"test"});
currentNodes["3"].should.have.a.property("handled",2);
done();
});
});
it("rewires otherwise unmodified nodes on 'nodes' deploy",function(done) {
var config = [{id:"1",type:"test",name:"a",wires:["2"]},{id:"2",type:"test",name:"b",wires:[[]]},{id:"3",type:"test",name:"c",wires:[]}];
var newConfig = clone(config);
newConfig[1].wires[0].push("3");
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",0);
flow.applyConfig(newConfig,"nodes").then(function() {
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
stoppedNodes.should.not.have.a.property("1");
stoppedNodes.should.not.have.a.property("2");
stoppedNodes.should.not.have.a.property("3");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",2);
currentNodes["2"].should.have.a.property("handled",2);
currentNodes["3"].should.have.a.property("handled",1);
done();
});
});
it("stops rewired but otherwise unmodified nodes on 'flows' deploy",function(done) {
var config = [{id:"1",type:"test",name:"a",wires:["2"]},{id:"2",type:"test",name:"b",wires:[[]]},{id:"3",type:"test",name:"c",wires:[]}];
var newConfig = clone(config);
newConfig[1].wires[0].push("3");
var flow = new Flow(config);
flow.start();
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",0);
flow.applyConfig(newConfig,"flows").then(function() {
currentNodes.should.have.a.property("1");
currentNodes.should.have.a.property("2");
currentNodes.should.have.a.property("3");
stoppedNodes.should.have.a.property("1");
stoppedNodes.should.have.a.property("2");
stoppedNodes.should.have.a.property("3");
currentNodes["1"].receive({payload:"test"});
currentNodes["1"].should.have.a.property("handled",1);
currentNodes["2"].should.have.a.property("handled",1);
currentNodes["3"].should.have.a.property("handled",1);
done();
});
});
});
describe('#handleError',function() {
var getType;
var getNode;
var credentialsClean;
var currentNodes = {};
var TestNode = function(n) {
Node.call(this,n);
var node = this;
this.handled = [];
currentNodes[node.id] = node;
this.on('input',function(msg) {
node.handled.push(msg);
node.send(msg);
});
}
util.inherits(TestNode,Node);
before(function() {
getNode = sinon.stub(flows,"get",function(id) {
return currentNodes[id];
});
getType = sinon.stub(typeRegistry,"get",function(type) {
return TestNode;
});
credentialsClean = sinon.stub(credentials,"clean",function(config){});
});
after(function() {
getType.restore();
credentialsClean.restore();
getNode.restore();
});
beforeEach(function() {
currentNodes = {};
});
it("reports error to catch nodes on same z",function(done) {
var config = [
{id:"1",type:"test",z:"tab1",name:"a",wires:["2"]},
{id:"2",type:"catch",z:"tab1",wires:[[]]},
{id:"3",type:"catch",z:"tab2",wires:[[]]}
];
var flow = new Flow(config);
flow.start();
var msg = {a:1};
flow.handleError(getNode(1),"test error",msg);
var n2 = getNode(2);
n2.handled.should.have.lengthOf(1);
n2.handled[0].should.have.property("a",1);
n2.handled[0].should.have.property("error");
n2.handled[0].error.should.have.property("message","test error");
n2.handled[0].error.should.have.property("source");
n2.handled[0].error.source.should.have.property("id","1");
n2.handled[0].error.source.should.have.property("type","test");
getNode(3).handled.should.have.lengthOf(0);
done();
});
it("reports error with Error object",function(done) {
var config = [
{id:"1",type:"test",z:"tab1",name:"a",wires:["2"]},
{id:"2",type:"catch",z:"tab1",wires:[[]]},
{id:"3",type:"catch",z:"tab2",wires:[[]]}
];
var flow = new Flow(config);
flow.start();
var msg = {a:1,error:"existing"};
flow.handleError(getNode(1),"test error",msg);
var n2 = getNode(2);
n2.handled.should.have.lengthOf(1);
n2.handled[0].should.have.property("error");
n2.handled[0].should.have.property("_error","existing");
n2.handled[0].error.should.have.property("message","test error");
n2.handled[0].error.should.have.property("source");
n2.handled[0].error.source.should.have.property("id","1");
n2.handled[0].error.source.should.have.property("type","test");
getNode(3).handled.should.have.lengthOf(0);
done();
});
it("reports error with Error object",function(done) {
var config = [
{id:"1",type:"test",z:"tab1",name:"a",wires:["2"]},
{id:"2",type:"catch",z:"tab1",wires:[[]]},
{id:"3",type:"catch",z:"tab2",wires:[[]]}
];
var flow = new Flow(config);
flow.start();
flow.handleError(getNode(1),new Error("test error"));
var n2 = getNode(2);
n2.handled.should.have.lengthOf(1);
n2.handled[0].should.have.property("error");
n2.handled[0].error.should.have.property("message","Error: test error");
n2.handled[0].error.should.have.property("source");
n2.handled[0].error.source.should.have.property("id","1");
n2.handled[0].error.source.should.have.property("type","test");
getNode(3).handled.should.have.lengthOf(0);
done();
});
it('reports error in subflow to a local handler', function(done) {
var config = [
{id:"1",type:"test",z:"tab1",wires:[[]]},
{id:"2",type:"subflow:sf1",z:"tab1",wires:[[]]},
{id:"3",type:"catch",z:"tab1",wires:[]},
{id:"sf1",type:"subflow","in": [],"out": []},
{id:"sf1-1",z:"sf1",type:"test",wires:[]},
{id:"sf1-catch",type:"catch",z:"sf1",wires:[]}
];
var flow = new Flow(config);
flow.start();
var instanceNode;
var instanceCatch;
for (var id in currentNodes) {
if (currentNodes.hasOwnProperty(id)) {
if (currentNodes[id].z == '2') {
if (currentNodes[id].type == "catch") {
instanceCatch = currentNodes[id];
} else {
instanceNode = currentNodes[id];
}
}
}
}
flow.handleError(instanceNode,new Error("test error"));
var n3 = instanceCatch;
n3.handled.should.have.lengthOf(1);
n3.handled[0].should.have.property("error");
n3.handled[0].error.should.have.property("message","Error: test error");
n3.handled[0].error.should.have.property("source");
n3.handled[0].error.source.should.have.property("id",instanceNode.id);
n3.handled[0].error.source.should.have.property("type","test");
getNode(3).handled.should.have.lengthOf(0);
done();
});
it('reports error in subflow to a parent handler', function(done) {
var config = [
{id:"1",type:"test",z:"tab1",wires:[[]]},
{id:"2",type:"subflow:sf1",z:"tab1",wires:[[]]},
{id:"3",type:"catch",z:"tab1",wires:[]},
{id:"4",type:"catch",z:"tab2",wires:[]},
{id:"sf1",type:"subflow","in": [],"out": []},
{id:"sf1-1",z:"sf1",type:"test",wires:[]}
];
var flow = new Flow(config);
flow.start();
var instanceNode;
for (var id in currentNodes) {
if (currentNodes.hasOwnProperty(id)) {
if (currentNodes[id].z == '2') {
instanceNode = currentNodes[id];
}
}
}
flow.handleError(instanceNode,new Error("test error"));
var n3 = getNode(3);
n3.handled.should.have.lengthOf(1);
n3.handled[0].should.have.property("error");
n3.handled[0].error.should.have.property("message","Error: test error");
n3.handled[0].error.should.have.property("source");
n3.handled[0].error.source.should.have.property("id",instanceNode.id);
n3.handled[0].error.source.should.have.property("type","test");
getNode(4).handled.should.have.lengthOf(0);
done();
});
});
});
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