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node-red-nodes/test/parsers/msgpack/70-msgpack_spec.js

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/**
* Copyright 2016 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 helper = require('../../../test/helper.js');
var testNode = require('../../../parsers/msgpack/70-msgpack.js');
describe('msgpack node', function() {
"use strict";
beforeEach(function(done) {
helper.startServer(done);
});
afterEach(function(done) {
helper.unload().then(function() {
helper.stopServer(done);
});
});
it("should be loaded with correct defaults", function(done) {
var flow = [{"id":"n1", "type":"msgpack", "name":"msgpack1", "wires":[[]]}];
helper.load(testNode, flow, function() {
var n1 = helper.getNode("n1");
n1.should.have.property("name", "msgpack1");
done();
});
});
var buf;
it('should pack an object', function(done) {
var flow = [{"id":"n1", "type":"msgpack", wires:[["n2"]] },
{id:"n2", type:"helper"} ];
helper.load(testNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.a.property("payload");
msg.payload.should.be.a.Object;
msg.payload.should.have.length(43);
buf = msg.payload;
done();
});
n1.emit("input", {payload:{A:1, B:"string", C:true, D:[1,true,"string"], E:{Y:9,Z:"string"}}});
});
});
it('should unpack a Buffer', function(done) {
var flow = [{"id":"n1", "type":"msgpack", wires:[["n2"]] },
{id:"n2", type:"helper"} ];
helper.load(testNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.a.property("payload");
msg.payload.should.have.a.property("A",1);
msg.payload.should.have.a.property("B",'string');
msg.payload.should.have.a.property("C",true);
msg.payload.should.have.a.property("D",[1,true,"string"]);
msg.payload.should.have.a.property("E");
msg.payload.E.should.have.a.property("Y",9);
msg.payload.E.should.have.a.property("Z","string");
done();
});
n1.emit("input", {payload:buf});
});
});
it('should error if the buffer fails to decode', function(done) {
var flow = [{"id":"n1", "type":"msgpack", wires:[["n2"]] },
{id:"n2", type:"helper"} ];
helper.load(testNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
done("should not get here if there is an error.");
});
setTimeout(function() {
done();
}, 25);
n1.emit("input", {payload:Buffer("12345")});
});
});
it('ignore msg with no payload', function(done) {
var flow = [{"id":"n1", "type":"msgpack", wires:[["n2"]] },
{id:"n2", type:"helper"} ];
helper.load(testNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
done("should not get here with no payload.");
});
setTimeout(function() {
done();
}, 25);
n1.emit("input", {topic:1});
});
});
});