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node-red/test/nodes/core/io/22-websocket_spec.js

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/**
* 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 ws = require("ws");
var when = require("when");
var should = require("should");
var helper = require("../../helper.js");
var websocketNode = require("../../../../nodes/core/io/22-websocket.js");
var sockets = [];
function getWsUrl(path) {
return helper.url().replace(/http/, "ws") + path;
}
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function createClient(listenerid) {
return when.promise(function(resolve, reject) {
var node = helper.getNode(listenerid);
var url = getWsUrl(node.path);
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var sock = new ws(url);
sockets.push(sock);
sock.on("open", function() {
resolve(sock);
});
sock.on("error", function(err) {
reject(err);
});
});
}
function closeAll() {
for (var i = 0; i < sockets.length; i++) {
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sockets[i].close();
}
sockets = [];
}
function getSocket(listenerid) {
var node = helper.getNode(listenerid);
return node.server;
}
describe('websocket Node', function() {
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before(function(done) {
helper.startServer(done);
});
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afterEach(function() {
closeAll();
helper.unload();
});
describe('websocket-listener', function() {
it('should load', function(done) {
var flow = [{ id: "n1", type: "websocket-listener", path: "/ws" }];
helper.load(websocketNode, flow, function() {
helper.getNode("n1").should.have.property("path", "/ws");
done();
});
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});
it('should be server', function(done) {
var flow = [{ id: "n1", type: "websocket-listener", path: "/ws" }];
helper.load(websocketNode, flow, function() {
helper.getNode("n1").should.have.property('isServer', true);
done();
});
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});
it('should handle wholemsg property', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "websocket-listener", path: "/ws2", wholemsg: "true" }];
helper.load(websocketNode, flow, function() {
helper.getNode("n1").should.have.property("wholemsg", false);
helper.getNode("n2").should.have.property("wholemsg", true);
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done();
});
});
it('should create socket', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "websocket in", server: "n1" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
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done();
});
});
});
it('should close socket on delete', function(done) {
var flow = [{ id: "n1", type: "websocket-listener", path: "/ws" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
sock.on("close", function(code, msg) {
done();
});
helper.clearFlows();
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});
});
});
it('should receive data', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "websocket in", server: "n1", wires: [["n3"]] },
{ id: "n3", type: "helper" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
helper.getNode("n3").on("input", function(msg) {
msg.should.have.property("payload", "hello");
done();
});
sock.send("hello");
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});
});
});
it('should receive wholemsg', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws", wholemsg: "true" },
{ id: "n2", type: "websocket in", server: "n1", wires: [["n3"]] },
{ id: "n3", type: "helper" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
sock.send('{"text":"hello"}');
helper.getNode("n3").on("input", function(msg) {
msg.should.have.property("text", "hello");
done();
});
});
});
});
it('should receive wholemsg when data not JSON', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws", wholemsg: "true" },
{ id: "n2", type: "websocket in", server: "n1", wires: [["n3"]] },
{ id: "n3", type: "helper" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
sock.send('hello');
helper.getNode("n3").on("input", function(msg) {
msg.should.have.property("payload", "hello");
done();
});
});
});
});
it('should send', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "helper", wires: [["n3"]] },
{ id: "n3", type: "websocket out", server: "n1" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
sock.on("message", function(msg, flags) {
msg.should.equal("hello");
done();
});
helper.getNode("n2").send({
payload: "hello"
});
});
});
});
it('should send wholemsg', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws", wholemsg: "true" },
{ id: "n2", type: "websocket out", server: "n1" },
{ id: "n3", type: "helper", wires: [["n2"]] }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
sock.on("message", function(msg, flags) {
JSON.parse(msg).should.have.property("text", "hello");
done();
});
helper.getNode("n3").send({
text: "hello"
});
});
});
});
it('should do nothing if no payload', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "helper", wires: [["n3"]] },
{ id: "n3", type: "websocket out", server: "n1" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
setTimeout(function() {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "file";
});
logEvents.should.have.length(0);
done();
},100);
helper.getNode("n2").send({topic: "hello"});
});
});
});
it('should echo', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "websocket in", server: "n1", wires: [["n3"]] },
{ id: "n3", type: "websocket out", server: "n1" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
sock.on("message", function(msg, flags) {
msg.should.equal("hello");
done();
});
sock.send("hello");
});
});
});
it('should echo wholemsg', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws", wholemsg: "true" },
{ id: "n2", type: "websocket in", server: "n1", wires: [["n3"]] },
{ id: "n3", type: "websocket out", server: "n1" }];
helper.load(websocketNode, flow, function() {
createClient("n1").then(function(sock) {
sock.on("message", function(msg, flags) {
JSON.parse(msg).should.have.property("text", "hello");
done();
});
sock.send('{"text":"hello"}');
});
});
});
it('should broadcast', function(done) {
var flow = [
{ id: "n1", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "websocket out", server: "n1" },
{ id: "n3", type: "helper", wires: [["n2"]] }];
helper.load(websocketNode, flow, function() {
var def1 = when.defer(),
def2 = when.defer();
when.all([createClient("n1"), createClient("n1")]).then(function(socks) {
socks[0].on("message", function(msg, flags) {
msg.should.equal("hello");
def1.resolve();
});
socks[1].on("message", function(msg, flags) {
msg.should.equal("hello");
def2.resolve();
});
helper.getNode("n3").send({
payload: "hello"
});
});
when.all([def1.promise, def2.promise]).then(function() {
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done();
});
});
});
});
describe('websocket-client', function() {
it('should load', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws") }];
helper.load(websocketNode, flow, function() {
helper.getNode("n1").should.have.property('path', getWsUrl("/ws"));
done();
});
});
it('should not be server', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws") }];
helper.load(websocketNode, flow, function() {
helper.getNode("n1").should.have.property('isServer', false);
done();
});
});
it('should handle wholemsg property', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws") },
{ id: "n2", type: "websocket-client", path: getWsUrl("/ws"), wholemsg: "true" }];
helper.load(websocketNode, flow, function() {
helper.getNode("n1").should.have.property("wholemsg", false);
helper.getNode("n2").should.have.property("wholemsg", true);
done();
});
});
it('should connect to server', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "websocket-client", path: getWsUrl("/ws") }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
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done();
});
});
});
it('should close on delete', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n2", type: "websocket-client", path: getWsUrl("/ws") }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
sock.on('close', function() {
done();
});
helper.getNode("n2").close();
});
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});
});
it('should receive data', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws") },
{ id: "n2", type: "websocket in", client: "n1", wires: [["n3"]] },
{ id: "n3", type: "helper" }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
sock.send('hello');
});
helper.getNode("n3").on("input", function(msg) {
msg.should.have.property("payload", "hello");
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done();
});
});
});
it('should receive wholemsg data ', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws"), wholemsg: "true" },
{ id: "n2", type: "websocket in", client: "n1", wires: [["n3"]] },
{ id: "n3", type: "helper" }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
sock.send('{"text":"hello"}');
});
helper.getNode("n3").on("input", function(msg) {
msg.should.have.property("text", "hello");
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done();
});
});
});
it('should receive wholemsg when data not JSON', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws"), wholemsg: "true" },
{ id: "n2", type: "websocket in", client: "n1", wires: [["n3"]] },
{ id: "n3", type: "helper" }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
sock.send('hello');
});
helper.getNode("n3").on("input", function(msg) {
msg.should.have.property("payload", "hello");
done();
});
});
});
it('should send', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws") },
{ id: "n2", type: "websocket out", client: "n1" },
{ id: "n3", type: "helper", wires: [["n2"]] }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
sock.on('message', function(msg) {
msg.should.equal("hello");
done();
});
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});
getSocket("n1").on("open", function() {
helper.getNode("n3").send({
payload: "hello"
});
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});
});
});
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it('should send buffer', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws") },
{ id: "n2", type: "websocket out", client: "n1" },
{ id: "n3", type: "helper", wires: [["n2"]] }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
sock.on('message', function(msg) {
msg.should.have.length(5).and.be.a.buffer;
done();
});
});
getSocket("n1").on("open", function() {
helper.getNode("n3").send({
payload: new Buffer("hello")
});
});
});
});
it('should send wholemsg', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws" },
{ id: "n1", type: "websocket-client", path: getWsUrl("/ws"), wholemsg: "true" },
{ id: "n2", type: "websocket out", client: "n1" },
{ id: "n3", type: "helper", wires: [["n2"]] }];
helper.load(websocketNode, flow, function() {
getSocket('server').on('connection', function(sock) {
sock.on('message', function(msg) {
JSON.parse(msg).should.have.property("text", "hello");
done();
});
});
getSocket("n1").on('open', function(){
helper.getNode("n3").send({
text: "hello"
});
});
});
});
it('should feedback', function(done) {
var flow = [
{ id: "server", type: "websocket-listener", path: "/ws", wholemsg: "true" },
{ id: "client", type: "websocket-client", path: getWsUrl("/ws"), wholemsg: "true" },
{ id: "n1", type: "websocket in", client: "client", wires: [["n2", "output"]] },
{ id: "n2", type: "websocket out", server: "server" },
{ id: "n3", type: "helper", wires: [["n2"]] },
{ id: "output", type: "helper" }];
helper.load(websocketNode, flow, function() {
getSocket('client').on('open', function() {
helper.getNode("n3").send({
payload: "ping"
});
});
var acc = 0;
helper.getNode("output").on("input", function(msg) {
if (acc++ > 20) {
helper.clearFlows();
done();
}
});
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});
});
});
describe('websocket in node', function() {
it('should report error if no server config', function(done) {
var flow = [{ id: "n1", type: "websocket in", mode: "server" }];
helper.load(websocketNode, flow, function() {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "websocket in";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.startWith("Missing server configuration");
done();
});
});
});
describe('websocket out node', function() {
it('should report error if no server config', function(done) {
var flow = [{ id: "n1", type: "websocket out", mode: "server" }];
helper.load(websocketNode, flow, function() {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "websocket out";
});
//console.log(logEvents);
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.startWith("Missing server configuration");
done();
});
});
});
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});