node-red/test/unit/@node-red/runtime/lib/nodes/Node_spec.js

/**
 * 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 NR_TEST_UTILS = require("nr-test-utils");
var RedNode = NR_TEST_UTILS.require("@node-red/runtime/lib/nodes/Node");
var Log = NR_TEST_UTILS.require("@node-red/util").log;
var hooks = NR_TEST_UTILS.require("@node-red/runtime/lib/hooks");
var flows = NR_TEST_UTILS.require("@node-red/runtime/lib/flows");

describe('Node', function() {
    describe('#constructor',function() {
        it('is called with an id and a type',function() {
            var n = new RedNode({id:'123',type:'abc'});
            n.should.have.property('id','123');
            n.should.have.property('type','abc');
            n.should.not.have.property('name');
            n.wires.should.be.empty();
        });

        it('is called with an id, a type and a name',function() {
            var n = new RedNode({id:'123',type:'abc',name:'barney'});
            n.should.have.property('id','123');
            n.should.have.property('type','abc');
            n.should.have.property('name','barney');
            n.wires.should.be.empty();
        });

        it('is called with an id, a type and some wires',function() {
            var n = new RedNode({id:'123',type:'abc',wires:['123','456']});
            n.should.have.property('id','123');
            n.should.have.property('type','abc');
            n.should.not.have.property('name');
            n.wires.should.have.length(2);
        });

    });

    describe('#close', function() {
        it('emits close event when closed',function(done) {
            var n = new RedNode({id:'123',type:'abc'});
            n.on('close',function() {
                done();
            });
            n.close();
        });

        it('returns a promise when provided a callback with a done parameter',function(testdone) {
            var n = new RedNode({id:'123',type:'abc'});
            n.on('close',function(done) {
                setTimeout(function() {
                    done();
                },50);
            });
            var p = n.close();
            should.exist(p);
            p.then(function() {
                testdone();
            });
        });
        it('accepts a callback with "removed" and "done" parameters', function(testdone) {
            var n = new RedNode({id:'123',type:'abc'});
            var receivedRemoved;
            n.on('close',function(removed,done) {
                receivedRemoved = removed;
                setTimeout(function() {
                    done();
                },50);
            });
            var p = n.close(true);
            should.exist(p);
            (receivedRemoved).should.be.true();
            p.then(function() {
                testdone();
            });
        })
        it('allows multiple close handlers to be registered',function(testdone) {
            var n = new RedNode({id:'123',type:'abc'});
            var callbacksClosed = 0;
            n.on('close',function(done) {
                setTimeout(function() {
                    callbacksClosed++;
                    done();
                },50);
            });
            n.on('close',function(done) {
                setTimeout(function() {
                    callbacksClosed++;
                    done();
                },75);
            });
            n.on('close',function() {
                callbacksClosed++;
            });
            var p = n.close();
            should.exist(p);
            p.then(function() {
                callbacksClosed.should.eql(3);
                testdone();
            }).catch(function(e) {
                testdone(e);
            });
        });
    });


    describe('#receive', function() {
        it('emits input event when called', function(done) {
            var n = new RedNode({id:'123',type:'abc'});
            var message = {payload:"hello world"};
            n.on('input',function(msg) {
                should.deepEqual(msg,message);
                done();
            });
            n.receive(message);
        });

        it('writes metric info with undefined msg', function(done){
            var n = new RedNode({id:'123',type:'abc'});
            n.on('input',function(msg) {
                (typeof msg).should.not.be.equal("undefined");
                (typeof msg._msgid).should.not.be.equal("undefined");
                done();
            });
            n.receive();
        });

        it('writes metric info with null msg', function(done){
            var n = new RedNode({id:'123',type:'abc'});
            n.on('input',function(msg) {
                (typeof msg).should.not.be.equal("undefined");
                (typeof msg._msgid).should.not.be.equal("undefined");
                done();
            });
            n.receive(null);
        });

        it('handles thrown errors', function(done) {
            var n = new RedNode({id:'123',type:'abc'});
            sinon.stub(n,"error").callsFake(function(err,msg) {});
            var message = {payload:"hello world"};
            n.on('input',function(msg) {
                throw new Error("test error");
            });
            n.receive(message);
            setTimeout(function() {
                n.error.called.should.be.true();
                n.error.firstCall.args[1].should.equal(message);
                done();
            },50);
        });

        it('calls parent flow handleComplete when callback provided', function(done) {
            var n = new RedNode({id:'123',type:'abc', _flow: {
                handleComplete: function(node,msg) {
                    try {
                        msg.should.deepEqual(message);
                        done();
                    } catch(err) {
                        done(err);
                    }
                }
            }});

            var message = {payload:"hello world"};
            n.on('input',function(msg, nodeSend, nodeDone) {
                nodeDone();
            });
            n.receive(message);
        });

        it('triggers onComplete hook when done callback provided', function(done) {
            var handleCompleteCalled = false;
            var hookCalled = false;
            var n = new RedNode({id:'123',type:'abc', _flow: {
                handleComplete: function(node,msg) {
                    handleCompleteCalled = true;
                }
            }});
            var hookError;
            hooks.add("onComplete",function(completeEvent) {
                hookCalled = true;
                try {
                    handleCompleteCalled.should.be.false("onComplete should be called before handleComplete")
                    should.not.exist(completeEvent.error);
                    completeEvent.msg.should.deepEqual(message);
                    completeEvent.node.id.should.eql("123");
                    completeEvent.node.node.should.equal(n);
                } catch(err) {
                    hookError = err;
                }
            })
            var message = {payload:"hello world"};
            n.on('input',function(msg, nodeSend, nodeDone) {
                nodeDone();
            });
            n.receive(message);
            setTimeout(function() {
                if (hookError) {
                    done(hookError);
                    return
                }
                try {
                    hookCalled.should.be.true("onComplete hook should be called");
                    handleCompleteCalled.should.be.true("handleComplete should be called");
                    done();
                } catch(err) {
                    done(err);
                }
            })
        });

        it('triggers onComplete hook when done callback provided - with error', function(done) {
            var handleCompleteCalled = false;
            var hookCalled = false;
            var errorReported = false;
            var n = new RedNode({id:'123',type:'abc', _flow: {
                handleComplete: function(node,msg) {
                    handleCompleteCalled = true;
                }
            }});
            var hookError;
            hooks.add("onComplete",function(completeEvent) {
                hookCalled = true;
                try {
                    handleCompleteCalled.should.be.false("onComplete should be called before handleComplete")
                    should.exist(completeEvent.error);
                    completeEvent.error.toString().should.equal("Error: test error")
                    completeEvent.msg.should.deepEqual(message);
                    completeEvent.node.id.should.eql("123");
                    completeEvent.node.node.should.equal(n);
                } catch(err) {
                    hookError = err;
                }
            })
            var message = {payload:"hello world"};
            n.on('input',function(msg, nodeSend, nodeDone) {
                nodeDone(new Error("test error"));
            });
            n.error = function(err,msg) {
                errorReported = true;
            }
            n.receive(message);
            setTimeout(function() {
                if (hookError) {
                    done(hookError);
                    return
                }
                try {
                    hookCalled.should.be.true("onComplete hook should be called");
                    handleCompleteCalled.should.be.false("handleComplete should not be called");
                    done();
                } catch(err) {
                    done(err);
                }
            })
        });
        it('logs error if callback provides error', function(done) {
            var n = new RedNode({id:'123',type:'abc'});
            sinon.stub(n,"error").callsFake(function(err,msg) {});

            var message = {payload:"hello world"};
            n.on('input',function(msg, nodeSend, nodeDone) {
                nodeDone(new Error("test error"));
                setTimeout(function() {
                    try {
                        n.error.called.should.be.true();
                        n.error.firstCall.args[0].toString().should.equal("Error: test error");
                        n.error.firstCall.args[1].should.equal(message);
                        done();
                    } catch(err) {
                        done(err);
                    }
                },50);
            });
            n.receive(message);
        });
        it("triggers hooks when receiving a message", function(done) {
            var hookErrors = [];
            var messageReceived = false;
            var hooksCalled = [];
            hooks.add("onReceive", function(receiveEvent) {
                hooksCalled.push("onReceive")
                try {
                    messageReceived.should.be.false("Message should not have been received before onReceive")
                    receiveEvent.msg.should.be.exactly(message);
                    receiveEvent.destination.id.should.equal("123")
                    receiveEvent.destination.node.should.equal(n)
                } catch(err) {
                    hookErrors.push(err);
                }
            })
            hooks.add("postReceive", function(receiveEvent) {
                hooksCalled.push("postReceive")
                try {
                    messageReceived.should.be.true("Message should have been received before postReceive")
                    receiveEvent.msg.should.be.exactly(message);
                    receiveEvent.destination.id.should.equal("123")
                    receiveEvent.destination.node.should.equal(n)
                } catch(err) {
                    hookErrors.push(err);
                }

            })
            var n = new RedNode({id:'123',type:'abc'});
            var message = {payload:"hello world"};
            n.on('input',function(msg) {
                messageReceived = true;
                try {
                    should.strictEqual(this,n);
                    hooksCalled.should.eql(["onReceive"])
                    should.deepEqual(msg,message);
                } catch(err) {
                    hookErrors.push(err)
                }
            });
            n.receive(message);
            setTimeout(function() {
                hooks.clear();
                if (hookErrors.length > 0) {
                    done(hookErrors[0])
                } else {
                    done();
                }
            },10);
        });
        describe("errors thrown by hooks are reported", function() {
            before(function() {
                hooks.add("onReceive",function(recEvent) {
                    if (recEvent.msg.payload === "trigger-onReceive") {
                        throw new Error("onReceive Error")
                    }
                })
                hooks.add("postReceive",function(recEvent) {
                    if (recEvent.msg.payload === "trigger-postReceive") {
                        throw new Error("postReceive Error")
                    }
                })
            })
            after(function() {
                hooks.clear();
            })
            function testHook(hook, msgExpected, done) {
                var messageReceived = false;
                var errorReceived;
                var n = new RedNode({id:'123',type:'abc'});
                var message = {payload:"trigger-"+hook};
                n.on('input',function(msg) {
                    messageReceived = true;
                });
                n.error = function (err) {
                    errorReceived = err;
                }

                n.receive(message);

                setTimeout(function() {
                    try {
                        messageReceived.should.equal(msgExpected,`Hook ${hook} messageReceived expected ${msgExpected} actual ${messageReceived}`);
                        should.exist(errorReceived);
                        errorReceived.toString().should.containEql(hook)
                        done()
                    } catch(err) {
                        done(err);
                    }
                },10);
            }
            it("onReceive", function(done) { testHook("onReceive", false, done)})
            it("postReceive", function(done) { testHook("postReceive", true, done)})
        })
    });

    describe("hooks can halt receive", function() {
        before(function() {
            hooks.add("onReceive",function(recEvent) {
                if (recEvent.msg.payload === "trigger-onReceive") {
                    return false;
                }
            })
        })
        after(function() {
            hooks.clear();
        })

        function testHook(hook, msgExpected, done) {
            var messageReceived = false;
            var errorReceived;
            var n = new RedNode({id:'123',type:'abc'});
            var message = {payload:"trigger-"+hook};
            n.on('input',function(msg) {
                messageReceived = true;
            });
            n.error = function (err) {
                errorReceived = err;
            }

            n.receive(message);

            setTimeout(function() {
                try {
                    messageReceived.should.equal(msgExpected,`Hook ${hook} messageReceived expected ${msgExpected} actual ${messageReceived}`);
                    should.not.exist(errorReceived);
                    done()
                } catch(err) {
                    done(err);
                }
            },10);
        }
        it("onReceive", function(done) { testHook("onReceive", false, done)})
    })


    describe('#send', function() {

        it('emits a single message', function(done) {
            var flow = {
                send: (sendEvents) => {
                    try {
                        sendEvents.should.have.length(1);
                        sendEvents[0].msg.should.equal(message);
                        sendEvents[0].destination.should.eql({id:"n2", node: undefined});
                        sendEvents[0].source.should.eql({id:"n1", node: n1, port: 0})
                        done();
                    } catch(err) {
                        done(err);
                    }
                },
            };
            var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
            var message = {payload:"hello world"};
            n1.send(message);
        });

        it('emits a message with callback provided send', function(done) {
            var flow = {
                handleError: (node,logMessage,msg,reportingNode) => {done(logMessage)},
                handleComplete: (node,msg) => {},
                send: (sendEvents) => {
                    try {
                        sendEvents.should.have.length(1);
                        sendEvents[0].msg.should.equal(message);
                        sendEvents[0].destination.should.eql({id:"n2", node: undefined});
                        sendEvents[0].source.should.eql({id:"n1", node: n1, port: 0});
                        sendEvents[0].cloneMessage.should.be.false();
                        done();
                    } catch(err) {
                        done(err);
                    }
                },
            };
            var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
            var message = {payload:"hello world"};
            n1.on('input',function(msg,nodeSend,nodeDone) {
                nodeSend(msg);
                nodeDone();
            });
            n1.receive(message);
        });

        it('emits multiple messages on a single output', function(done) {
            var flow = {
                handleError: (node,logMessage,msg,reportingNode) => {done(logMessage)},
                send: (sendEvents) => {
                    try {
                        sendEvents.should.have.length(2);
                        sendEvents[0].msg.should.equal(messages[0]);
                        sendEvents[0].destination.should.eql({id:"n2", node: undefined});
                        sendEvents[0].source.should.eql({id:"n1", node: n1, port: 0});
                        sendEvents[0].cloneMessage.should.be.false();

                        sendEvents[1].msg.should.equal(messages[1]);
                        sendEvents[1].destination.should.eql({id:"n2", node: undefined});
                        sendEvents[1].source.should.eql({id:"n1", node: n1, port: 0});
                        sendEvents[1].cloneMessage.should.be.true();

                        done();
                    } catch(err) {
                        done(err);
                    }
                },
            };
            var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});

            var messages = [
                {payload:"hello world"},
                {payload:"hello world again"}
            ];

            n1.send([messages]);
        });

        it('emits messages to multiple outputs', function(done) {
            var flow = {
                handleError: (node,logMessage,msg,reportingNode) => {done(logMessage)},
                send: (sendEvents) => {
                    try {
                        sendEvents.should.have.length(3);
                        sendEvents[0].msg.should.equal(messages[0]);
                        sendEvents[0].destination.should.eql({id:"n2", node: undefined});
                        sendEvents[0].source.should.eql({id:"n1", node: n1, port: 0});
                        sendEvents[0].cloneMessage.should.be.false();
                        should.exist(sendEvents[0].msg._msgid);
                        sendEvents[1].msg.should.equal(messages[2]);
                        sendEvents[1].destination.should.eql({id:"n4", node: undefined});
                        sendEvents[1].source.should.eql({id:"n1", node: n1, port: 2})
                        sendEvents[1].cloneMessage.should.be.true();
                        should.exist(sendEvents[1].msg._msgid);
                        sendEvents[2].msg.should.equal(messages[2]);
                        sendEvents[2].destination.should.eql({id:"n5", node: undefined});
                        sendEvents[2].source.should.eql({id:"n1", node: n1, port: 2})
                        sendEvents[2].cloneMessage.should.be.true();
                        should.exist(sendEvents[2].msg._msgid);

                        sendEvents[0].msg._msgid.should.eql(sendEvents[1].msg._msgid)
                        sendEvents[1].msg._msgid.should.eql(sendEvents[2].msg._msgid)

                        done();
                    } catch(err) {
                        done(err);
                    }
                }
            };
            var n1 = new RedNode({_flow:flow, id:'n1',type:'abc',wires:[['n2'],['n3'],['n4','n5']]});
            var n2 = new RedNode({_flow:flow, id:'n2',type:'abc'});
            var n3 = new RedNode({_flow:flow, id:'n3',type:'abc'});
            var n4 = new RedNode({_flow:flow, id:'n4',type:'abc'});
            var n5 = new RedNode({_flow:flow, id:'n5',type:'abc'});
            var messages = [
                {payload:"hello world"},
                null,
                {payload:"hello world again"}
            ];

            var rcvdCount = 0;

            n1.send(messages);
        });

        it('emits no messages', function(done) {
            var flow = {
                handleError: (node,logMessage,msg,reportingNode) => {done(logMessage)},
                getNode: (id) => { return {'n1':n1,'n2':n2}[id]},
            };
            var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[['n2']]});
            var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});

            n2.on('input',function(msg) {
                should.fail(null,null,"unexpected message");
            });

            setTimeout(function() {
                done();
            }, 200);

            n1.send();
        });

        // it('emits messages without cloning req or res', function(done) {
        //     var flow = {
        //         getNode: (id) => { return {'n1':n1,'n2':n2,'n3':n3}[id]},
        //         send: (node,dst,msg) => { setImmediate(function() { flow.getNode(dst).receive(msg) })}
        //     };
        //     var n1 = new RedNode({_flow:flow,id:'n1',type:'abc',wires:[[['n2'],['n3']]]});
        //     var n2 = new RedNode({_flow:flow,id:'n2',type:'abc'});
        //     var n3 = new RedNode({_flow:flow,id:'n3',type:'abc'});
        //
        //     var req = {};
        //     var res = {};
        //     var cloned = {};
        //     var message = {payload: "foo", cloned: cloned, req: req, res: res};
        //
        //     var rcvdCount = 0;
        //
        //     // first message to be sent, so should not be cloned
        //     n2.on('input',function(msg) {
        //         should.deepEqual(msg, message);
        //         msg.cloned.should.be.exactly(message.cloned);
        //         msg.req.should.be.exactly(message.req);
        //         msg.res.should.be.exactly(message.res);
        //         rcvdCount += 1;
        //         if (rcvdCount == 2) {
        //             done();
        //         }
        //     });
        //
        //     // second message to be sent, so should be cloned
        //     // message uuids wont match since we've cloned
        //     n3.on('input',function(msg) {
        //         msg.payload.should.equal(message.payload);
        //         msg.cloned.should.not.be.exactly(message.cloned);
        //         msg.req.should.be.exactly(message.req);
        //         msg.res.should.be.exactly(message.res);
        //         rcvdCount += 1;
        //         if (rcvdCount == 2) {
        //             done();
        //         }
        //     });
        //
        //     n1.send(message);
        // });

    //      it("logs the uuid for all messages sent", function(done) {
    //         var logHandler = {
    //             msgIds:[],
    //             messagesSent: 0,
    //             emit: function(event, msg) {
    //                 if (msg.event == "node.abc.send" && msg.level == Log.METRIC) {
    //                     this.messagesSent++;
    //                     this.msgIds.push(msg.msgid);
    //                     (typeof msg.msgid).should.not.be.equal("undefined");
    //                 }
    //             }
    //         };
    //
    //         Log.addHandler(logHandler);
    //         var flow = {
    //             getNode: (id) => { return {'n1':sender,'n2':receiver1,'n3':receiver2}[id]},
    //             send: (node,dst,msg) => { setImmediate(function() { flow.getNode(dst).receive(msg) })}
    //         };
    //
    //         var sender = new RedNode({_flow:flow,id:'n1',type:'abc', wires:[['n2', 'n3']]});
    //         var receiver1 = new RedNode({_flow:flow,id:'n2',type:'abc'});
    //         var receiver2 = new RedNode({_flow:flow,id:'n3',type:'abc'});
    //         sender.send({"some": "message"});
    //         setTimeout(function() {
    //             try {
    //                 logHandler.messagesSent.should.equal(1);
    //                 should.exist(logHandler.msgIds[0])
    //                 Log.removeHandler(logHandler);
    //                 done();
    //             } catch(err) {
    //                 Log.removeHandler(logHandler);
    //                 done(err);
    //             }
    //         },50)
    //     })
    });


    describe('#log', function() {
        it('produces a log message', function(done) {
            var n = new RedNode({id:'123',type:'abc',z:'789', _flow: {log:function(msg) { loginfo = msg;}}});
            var loginfo = {};
            n.log("a log message");
            should.deepEqual({level:Log.INFO, id:n.id,
                               type:n.type, msg:"a log message",z:'789'}, loginfo);
            done();
        });
        it('produces a log message with a name', function(done) {
            var n = new RedNode({id:'123', type:'abc', name:"barney", z:'789', _flow: {log:function(msg) { loginfo = msg;}}});
            var loginfo = {};
            n.log("a log message");
            should.deepEqual({level:Log.INFO, id:n.id, name: "barney",
                              type:n.type, msg:"a log message",z:'789'}, loginfo);
            done();
        });
    });

    describe('#warn', function() {
        it('produces a warning message', function(done) {
            var n = new RedNode({id:'123',type:'abc',z:'789', _flow: {log:function(msg) { loginfo = msg;}}});
            var loginfo = {};
            n.warn("a warning");
            should.deepEqual({level:Log.WARN, id:n.id,
                              type:n.type, msg:"a warning",z:'789'}, loginfo);
            done();
        });
    });

    describe('#error', function() {
        it('handles a null error message', function(done) {
            var flow = {
                handleError: sinon.stub(),
                log:sinon.stub()
            }
            var n = new RedNode({_flow:flow, id:'123',type:'abc',z:'789'});
            var message = {a:1};
            n.error(null,message);

            flow.handleError.called.should.be.true();
            flow.handleError.args[0][0].should.eql(n);
            flow.handleError.args[0][1].should.eql("");
            flow.handleError.args[0][2].should.eql(message);

            done();
        });

        it('produces an error message', function(done) {
            var flow = {
                handleError: sinon.stub(),
                log:sinon.stub()
            }
            var n = new RedNode({_flow:flow, id:'123',type:'abc',z:'789'});
            var message = {a:2};

            n.error("This is an error",message);

            flow.handleError.called.should.be.true();
            flow.handleError.args[0][0].should.eql(n);
            flow.handleError.args[0][1].should.eql("This is an error");
            flow.handleError.args[0][2].should.eql(message);

            done();
        });

    });

    describe('#metric', function() {
        it('produces a metric message', function(done) {
            var n = new RedNode({id:'123',type:'abc'});
            var loginfo = {};
            sinon.stub(Log, 'log').callsFake(function(msg) {
                loginfo = msg;
            });
            var msg = {payload:"foo", _msgid:"987654321"};
            n.metric("test.metric",msg,"15mb");
            should.deepEqual({value:"15mb", level:Log.METRIC, nodeid:n.id,
                                  event:"node.abc.test.metric",msgid:"987654321"}, loginfo);
            Log.log.restore();
            done();
        });
    });

    describe('#metric', function() {
        it('returns metric value if eventname undefined', function(done) {
            var n = new RedNode({id:'123',type:'abc'});
            var loginfo = {};
            sinon.stub(Log, 'log').callsFake(function(msg) {
                loginfo = msg;
            });
            var msg = {payload:"foo", _msgid:"987654321"};
            var m = n.metric(undefined,msg,"15mb");
            m.should.be.a.Boolean();
            Log.log.restore();
            done();
        });
        it('returns not defined if eventname defined', function(done) {
            var n = new RedNode({id:'123',type:'abc'});
            var loginfo = {};
            sinon.stub(Log, 'log').callsFake(function(msg) {
                loginfo = msg;
            });
            var msg = {payload:"foo", _msgid:"987654321"};
            var m = n.metric("info",msg,"15mb");
            should(m).be.undefined;
            Log.log.restore();
            done();
        });
    });

    describe('#status', function() {
        it('publishes status', function(done) {
            var flow = {
                handleStatus: sinon.stub()
            }
            var n = new RedNode({_flow:flow,id:'123',type:'abc'});
            var status = {fill:"green",shape:"dot",text:"connected"};

            n.status(status);

            flow.handleStatus.called.should.be.true();
            flow.handleStatus.args[0][0].should.eql(n);
            flow.handleStatus.args[0][1].should.eql(status);
            done();
        });
        it('publishes status for plain string', function(done) {
            var flow = { handleStatus: sinon.stub() }
            var n = new RedNode({_flow:flow,id:'123',type:'abc'});
            n.status("text status");
            flow.handleStatus.called.should.be.true();
            flow.handleStatus.args[0][0].should.eql(n);
            flow.handleStatus.args[0][1].should.eql({text:"text status"});
            done();
        });
        it('publishes status for plain boolean', function(done) {
            var flow = { handleStatus: sinon.stub() }
            var n = new RedNode({_flow:flow,id:'123',type:'abc'});
            n.status(false);
            flow.handleStatus.called.should.be.true();
            flow.handleStatus.args[0][0].should.eql(n);
            flow.handleStatus.args[0][1].should.eql({text:"false"});
            done();
        });
        it('publishes status for plain number', function(done) {
            var flow = { handleStatus: sinon.stub() }
            var n = new RedNode({_flow:flow,id:'123',type:'abc'});
            n.status(123);
            flow.handleStatus.called.should.be.true();
            flow.handleStatus.args[0][0].should.eql(n);
            flow.handleStatus.args[0][1].should.eql({text:"123"});
            done();
        });
    });

});