--- /dev/null
+/**
+ * Copyright 2014 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 RedNode = require("../../../red/nodes/Node");
+var comms = require('../../../red/comms');
+
+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();
+ });
+ var p = n.close();
+ should.not.exist(p);
+ });
+
+ 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();
+ },200);
+ });
+ var p = n.close();
+ should.exist(p);
+ p.then(function() {
+ testdone();
+ });
+ });
+ });
+
+
+ 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);
+ });
+ });
+
+ describe('#send', function() {
+
+ it('emits a single message', function(done) {
+ var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+ var n2 = new RedNode({id:'n2',type:'abc'});
+ var message = {payload:"hello world"};
+
+ n2.on('input',function(msg) {
+ // msg equals message, but is a new copy
+ should.deepEqual(msg,message);
+ should.notStrictEqual(msg,message);
+ done();
+ });
+
+ n1.send(message);
+ });
+
+ it('emits multiple messages on a single output', function(done) {
+ var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+ var n2 = new RedNode({id:'n2',type:'abc'});
+
+ var messages = [
+ {payload:"hello world"},
+ {payload:"hello world again"}
+ ];
+
+ var rcvdCount = 0;
+
+ n2.on('input',function(msg) {
+ should.deepEqual(msg,messages[rcvdCount]);
+ should.notStrictEqual(msg,messages[rcvdCount]);
+ rcvdCount += 1;
+ if (rcvdCount == 2) {
+ done();
+ }
+ });
+ n1.send([messages]);
+ });
+
+ it('emits messages to multiple outputs', function(done) {
+ var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2'],['n3'],['n4','n5']]});
+ var n2 = new RedNode({id:'n2',type:'abc'});
+ var n3 = new RedNode({id:'n3',type:'abc'});
+ var n4 = new RedNode({id:'n4',type:'abc'});
+ var n5 = new RedNode({id:'n5',type:'abc'});
+
+ var messages = [
+ {payload:"hello world"},
+ null,
+ {payload:"hello world again"}
+ ];
+
+ var rcvdCount = 0;
+
+ n2.on('input',function(msg) {
+ should.deepEqual(msg,messages[0]);
+ should.notStrictEqual(msg,messages[0]);
+ rcvdCount += 1;
+ if (rcvdCount == 3) {
+ done();
+ }
+ });
+
+ n3.on('input',function(msg) {
+ should.fail(null,null,"unexpected message");
+ });
+
+ n4.on('input',function(msg) {
+ should.deepEqual(msg,messages[2]);
+ should.notStrictEqual(msg,messages[2]);
+ rcvdCount += 1;
+ if (rcvdCount == 3) {
+ done();
+ }
+ });
+
+ n5.on('input',function(msg) {
+ should.deepEqual(msg,messages[2]);
+ should.notStrictEqual(msg,messages[2]);
+ rcvdCount += 1;
+ if (rcvdCount == 3) {
+ done();
+ }
+ });
+
+ n1.send(messages);
+ });
+
+ it('emits no messages', function(done) {
+ var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+ var n2 = new RedNode({id:'n2',type:'abc'});
+
+ n2.on('input',function(msg) {
+ should.fail(null,null,"unexpected message");
+ });
+
+ setTimeout(function() {
+ done();
+ }, 200);
+
+ n1.send();
+ });
+
+ it('emits messages ignoring non-existent nodes', function(done) {
+ var n1 = new RedNode({id:'n1',type:'abc',wires:[['n9'],['n2']]});
+ var n2 = new RedNode({id:'n2',type:'abc'});
+
+ var messages = [
+ {payload:"hello world"},
+ {payload:"hello world again"}
+ ];
+
+ n2.on('input',function(msg) {
+ should.deepEqual(msg,messages[1]);
+ should.notStrictEqual(msg,messages[1]);
+ done();
+ });
+
+ n1.send(messages);
+ });
+
+ it('emits messages without cloning req or res', function(done) {
+ var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+ var n2 = new RedNode({id:'n2',type:'abc'});
+
+ var req = {};
+ var res = {};
+ var cloned = {};
+ var message = {payload: "foo", cloned: cloned, req: req, res: res};
+
+ n2.on('input',function(msg) {
+ should.deepEqual(msg, message);
+ msg.cloned.should.not.be.exactly(message.cloned);
+ msg.req.should.be.exactly(message.req);
+ msg.res.should.be.exactly(message.res);
+ done();
+ });
+
+ n1.send(message);
+ });
+
+ });
+
+ describe('#log', function() {
+ it('emits a log message', function(done) {
+ var n = new RedNode({id:'123',type:'abc'});
+ n.on('log',function(obj) {
+ should.deepEqual({level:"log", id:n.id,
+ type:n.type, msg:"a log message"}, obj);
+ done();
+ });
+ n.log("a log message");
+ });
+ });
+
+ describe('#log', function() {
+ it('emits a log message with a name', function(done) {
+ var n = new RedNode({id:'123', type:'abc', name:"barney"});
+ n.on('log',function(obj) {
+ should.deepEqual({level:"log", id:n.id, name: "barney",
+ type:n.type, msg:"a log message"}, obj);
+ done();
+ });
+ n.log("a log message");
+ });
+ });
+
+ describe('#warn', function() {
+ it('emits a warning', function(done) {
+ var n = new RedNode({id:'123',type:'abc'});
+ n.on('log',function(obj) {
+ should.deepEqual({level:"warn", id:n.id,
+ type:n.type, msg:"a warning"}, obj);
+ done();
+ });
+ n.warn("a warning");
+ });
+ });
+
+ describe('#error', function() {
+ it('emits an error message', function(done) {
+ var n = new RedNode({id:'123',type:'abc'});
+ n.on('log',function(obj) {
+ should.deepEqual({level:"error", id:n.id,
+ type:n.type, msg:"an error message"}, obj);
+ done();
+ });
+ n.error("an error message");
+ });
+ });
+
+ describe('#status', function() {
+ after(function() {
+ comms.publish.restore();
+ });
+ it('publishes status', function(done) {
+ var n = new RedNode({id:'123',type:'abc'});
+ var status = {fill:"green",shape:"dot",text:"connected"};
+ sinon.stub(comms, 'publish', function(topic, message, retain) {
+ topic.should.equal('status/123');
+ message.should.equal(status);
+ retain.should.be.true;
+ done();
+ });
+
+ n.status(status);
+ });
+ });
+
+});
Code Review / ccsdk / distribution.git / blobdiff