1 | var assert = require('assert');
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2 | var http = require('http');
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3 | var urlParse = require('url').parse;
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4 | var WebSocket = require('ws');
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5 | var WebSocketServer = WebSocket.Server;
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6 | var request = require('supertest');
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7 | var util = require('util');
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8 | var Scout = require('../zetta_runtime').Scout;
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9 | var zetta = require('../zetta');
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10 | var mocks = require('./fixture/scout_test_mocks');
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11 | var MockRegistry = require('./fixture/mem_registry');
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12 | var PeerRegistry = require('./fixture/mem_peer_registry');
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13 | var GoodDevice = require('./fixture/example_driver');
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14 |
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15 | var GoodScout = module.exports = function() {
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16 | this.count = 0;
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17 | this.interval = 5000;
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18 | Scout.call(this);
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19 | };
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20 | util.inherits(GoodScout, Scout);
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21 |
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22 | GoodScout.prototype.init = function(cb){
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23 | var query = this.server.where({type:'test', vendorId:'1234567'});
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24 | var self = this;
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25 | this.server.find(query, function(err, results){
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26 | if(!err) {
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27 | if(results.length) {
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28 | self.provision(results[0], GoodDevice);
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29 | }
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30 | }
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31 | });
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32 | cb();
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33 | };
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34 |
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35 | describe('Event Websocket', function() {
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36 | var peerRegistry = null;
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37 | var registry = null;
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38 | var app = null;
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39 | var deviceUrl = null;
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40 | var deviceUrlHttp = null;
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41 | var device = null;
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42 | var port = null;
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43 |
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44 | beforeEach(function(done) {
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45 | peerRegistry = new PeerRegistry();
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46 | registry = new MockRegistry();
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47 | registry.db.put('BC2832FD-9437-4473-A4A8-AC1D56B12C6F', {id:'BC2832FD-9437-4473-A4A8-AC1D56B12C6F',type:'test', vendorId:'1234567', foo:'foo', bar:'bar', name:'Test Device'}, {valueEncoding: 'json'}, function(err) {
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48 | if (err) {
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49 | done(err);
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50 | return;
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51 | }
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52 | app = zetta({registry: registry, peerRegistry: peerRegistry});
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53 | app.silent();
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54 | app.id = 'BC2832FD-9437-4473-A4A8-AC1D56B12C61';
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55 | app.use(GoodScout)
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56 | app.listen(0, function(err){
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57 | port = app.httpServer.server.address().port;
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58 | deviceUrl = 'localhost:' + port + '/servers/BC2832FD-9437-4473-A4A8-AC1D56B12C61/events?topic=testdriver/BC2832FD-9437-4473-A4A8-AC1D56B12C6F';
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59 | deviceUrlHttp = 'localhost:' + port + '/servers/BC2832FD-9437-4473-A4A8-AC1D56B12C61/devices/BC2832FD-9437-4473-A4A8-AC1D56B12C6F';
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60 | device = app.runtime._jsDevices['BC2832FD-9437-4473-A4A8-AC1D56B12C6F'];
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61 | done(err);
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62 | });
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63 | });
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64 | });
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65 |
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66 | afterEach(function(done) {
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67 | app.httpServer.server.close();
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68 | done();
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69 | });
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70 |
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71 |
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72 | describe('Basic Connection', function() {
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73 |
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74 | it('http resource should exist with statusCode 200', function(done) {
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75 | http.get('http://'+deviceUrlHttp, function(res) {
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76 | assert.equal(res.statusCode, 200);
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77 | done();
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78 | }).on('error', done);
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79 | });
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80 |
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81 | it('websocket should connect', function(done) {
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82 | var url = 'ws://' + deviceUrl + '/bar';
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83 | var error = 0;
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84 | var open = false;
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85 | var socket = new WebSocket(url);
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86 | socket.on('open', function(err) {
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87 | open = true;
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88 | });
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89 | socket.on('close', function(err) {
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90 | open = false;
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91 | });
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92 | socket.on('error', function(err) {
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93 | error++;
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94 | });
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95 |
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96 | setTimeout(function() {
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97 | socket.close();
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98 | assert.equal(error, 0);
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99 | assert.equal(open, true, 'ws should be opened');
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100 | done();
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101 | }, 20);
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102 | });
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103 |
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104 | });
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105 |
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106 | describe('Embedding a websocket server', function() {
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107 | var app = null;
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108 | var port = null;
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109 | var wss = null;
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110 |
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111 | beforeEach(function(done) {
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112 | var peerRegistry = new PeerRegistry();
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113 | var registry = new MockRegistry();
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114 | app = zetta({registry: registry, peerRegistry: peerRegistry});
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115 | app.silent();
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116 | app.use(function(server) {
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117 | var server = server.httpServer.server;
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118 | wss = new WebSocketServer({server: server, path: '/foo'});
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119 | });
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120 | app.listen(0, function(err){
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121 | port = app.httpServer.server.address().port;
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122 | done(err);
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123 | });
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124 | });
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125 |
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126 | it('can connect to the custom server', function(done) {
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127 | var ws = new WebSocket('ws://localhost:'+port+'/foo');
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128 | ws.on('open', function open() {
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129 | done();
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130 | });
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131 | });
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132 |
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133 | it('will fire the connection event on the server', function(done) {
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134 | var ws = new WebSocket('ws://localhost:'+port+'/foo');
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135 | ws.on('open', function open() {
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136 | });
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137 | wss.on('connection', function(ws) {
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138 | done();
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139 | });
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140 | });
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141 |
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142 | it('can send data down the server websocket', function(done) {
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143 | var ws = new WebSocket('ws://localhost:'+port+'/foo');
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144 | ws.on('open', function open() {
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145 | });
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146 |
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147 | ws.on('message', function() {
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148 | done();
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149 | });
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150 | wss.on('connection', function(ws) {
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151 | ws.send('foo');
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152 | });
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153 | });
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154 |
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155 | it('can send data up the server websocket', function(done) {
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156 | var ws = new WebSocket('ws://localhost:'+port+'/foo');
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157 | wss.on('connection', function(ws) {
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158 | ws.on('message', function() {
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159 | done();
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160 | });
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161 | });
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162 |
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163 | ws.on('open', function open() {
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164 | ws.send('foo');
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165 | });
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166 | });
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167 |
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168 | afterEach(function(done) {
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169 | app.httpServer.server.close();
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170 | done();
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171 | });
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172 | });
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173 |
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174 | describe('Receive json messages', function() {
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175 |
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176 | it('websocket should recv only one set of messages when reconnecting', function(done) {
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177 | var url = 'ws://' + deviceUrl + '/bar';
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178 |
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179 | function openAndClose(cb) {
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180 | var s1 = new WebSocket(url);
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181 | s1.on('open', function(err) {
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182 | s1.close();
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183 | s1.on('close', function(){
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184 | cb();
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185 | });
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186 | });
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187 | }
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188 | openAndClose(function(){
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189 | var s2 = new WebSocket(url);
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190 | s2.on('open', function(err) {
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191 | var count = 0;
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192 | s2.on('message', function(buf, flags) {
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193 | count++;
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194 | });
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195 |
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196 | setTimeout(function(){
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197 | device.incrementStreamValue();
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198 | }, 20)
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199 |
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200 | setTimeout(function() {
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201 | if (count === 1) {
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202 | done();
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203 | } else {
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204 | throw new Error('Should have only recieved one message. ' + count);
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205 | }
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206 | }, 100);
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207 | });
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208 | });
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209 |
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210 | return;
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211 | });
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212 |
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213 |
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214 | it('websocket should connect and recv data in json form', function(done) {
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215 | var url = 'ws://' + deviceUrl + '/bar';
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216 | var error = 0;
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217 | var open = false;
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218 | var socket = new WebSocket(url);
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219 | socket.on('open', function(err) {
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220 | open = true;
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221 | });
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222 | socket.on('close', function(err) {
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223 | open = false;
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224 | });
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225 | socket.on('error', function(err) {
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226 | error++;
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227 | });
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228 |
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229 | setTimeout(function() {
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230 |
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231 | assert.equal(error, 0);
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232 | assert.equal(open, true, 'ws should be opened');
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233 |
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234 | var recv = 0;
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235 | var timer = null;
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236 | socket.on('message', function(buf, flags) {
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237 | var msg = JSON.parse(buf);
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238 | recv++;
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239 | assert(msg.timestamp);
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240 | assert(msg.topic);
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241 | assert.equal(msg.data, recv);
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242 | if (recv === 3) {
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243 | clearTimeout(timer);
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244 | socket.close();
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245 | done();
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246 | }
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247 | });
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248 |
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249 | device.incrementStreamValue();
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250 | device.incrementStreamValue();
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251 | device.incrementStreamValue();
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252 |
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253 | timer = setTimeout(function() {
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254 | assert.equal(recv, 3, 'should have received 3 messages');
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255 | socket.close();
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256 | done();
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257 | }, 100);
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258 |
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259 | }, 20);
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260 | });
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261 |
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262 | it('websocket should connect and recv device log events from property API updates', function(done) {
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263 | var url = 'ws://' + deviceUrl + '/logs';
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264 | var error = 0;
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265 | var open = false;
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266 | var socket = new WebSocket(url);
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267 | socket.on('open', function(err) {
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268 | open = true;
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269 |
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270 | });
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271 | socket.on('close', function(err) {
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272 | open = false;
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273 | });
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274 | socket.on('error', function(err) {
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275 | error++;
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276 | });
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277 |
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278 | setTimeout(function() {
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279 | assert.equal(error, 0);
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280 | assert.equal(open, true, 'ws should be opened');
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281 |
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282 | deviceUrlHttp = 'http://' + deviceUrlHttp;
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283 | var parsed = urlParse(deviceUrlHttp);
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284 | var reqOpts = {
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285 | hostname: 'localhost',
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286 | port: parseInt(parsed.port),
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287 | method: 'PUT',
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288 | path: parsed.path,
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289 | headers: {
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290 | 'Content-Type': 'application/json'
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291 | }
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292 | }
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293 |
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294 | var req = http.request(reqOpts);
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295 | req.write(JSON.stringify({ fu: 'bar' }));
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296 | req.end();
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297 | var recv = 0;
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298 | var timer = null;
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299 | socket.on('message', function(buf, flags) {
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300 | var msg = JSON.parse(buf);
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301 | recv++;
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302 | assert(msg.timestamp);
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303 | assert(msg.topic);
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304 | assert.equal(msg.transition, 'zetta-properties-update');
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305 | assert.equal(msg.properties.fu, 'bar');
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306 | assert.equal(msg.properties.foo, 0);
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307 |
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308 | if (recv === 1) {
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309 | clearTimeout(timer);
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310 | socket.close();
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311 | done();
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312 | }
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313 | });
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314 | }, 20);
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315 | });
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316 |
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317 | it('websocket should connect and recv device log events', function(done) {
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318 | var url = 'ws://' + deviceUrl + '/logs';
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319 | var error = 0;
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320 | var open = false;
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321 | var socket = new WebSocket(url);
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322 | socket.on('open', function(err) {
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323 | open = true;
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324 | });
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325 | socket.on('close', function(err) {
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326 | open = false;
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327 | });
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328 | socket.on('error', function(err) {
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329 | error++;
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330 | });
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331 |
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332 | setTimeout(function() {
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333 | assert.equal(error, 0);
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334 | assert.equal(open, true, 'ws should be opened');
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335 |
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336 | var recv = 0;
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337 | var timer = null;
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338 | socket.on('message', function(buf, flags) {
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339 | var msg = JSON.parse(buf);
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340 | recv++;
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341 | assert(msg.timestamp);
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342 | assert(msg.topic);
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343 | assert(msg.actions.filter(function(action) {
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344 | return action.name === 'prepare';
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345 | }).length > 0);
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346 |
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347 | assert.equal(msg.actions[0].href.replace('http://',''), deviceUrlHttp)
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348 |
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349 | if (recv === 1) {
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350 | clearTimeout(timer);
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351 | socket.close();
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352 | done();
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353 | }
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354 | });
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355 |
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356 | device.call('change');
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357 |
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358 | timer = setTimeout(function() {
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359 | assert.equal(recv, 1, 'should have received 1 message');
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360 | socket.close();
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361 | done();
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362 | }, 100);
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363 | }, 20);
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364 | });
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365 |
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366 | it('websocket should recv connect and disconnect message for /peer-management', function(done) {
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367 | var url = 'ws://localhost:' + port + '/peer-management';
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368 | var socket = new WebSocket(url);
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369 |
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370 | socket.on('open', function(err) {
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371 | socket.once('message', function(buf, flags) {
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372 | var msg = JSON.parse(buf);
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373 | assert.equal(msg.topic, 'connect');
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374 | socket.once('message', function(buf, flags) {
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375 | var msg = JSON.parse(buf);
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376 | assert.equal(msg.topic, 'disconnect');
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377 | done();
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378 | });
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379 | app.pubsub.publish('_peer/disconnect', { topic: 'disconnect'});
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380 | });
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381 | app.pubsub.publish('_peer/connect', { topic: 'connect'});
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382 | });
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383 | socket.on('error', done);
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384 | });
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385 |
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386 | });
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387 |
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388 |
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389 |
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390 |
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391 |
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392 |
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393 | describe('Receive binary messages', function() {
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394 |
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395 | it('websocket should connect and recv data in binary form', function(done) {
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396 | var url = 'ws://' + deviceUrl + '/foobar';
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397 | var error = 0;
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398 | var open = false;
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399 | var socket = new WebSocket(url);
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400 | socket.on('open', function(err) {
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401 | open = true;
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402 | });
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403 | socket.on('close', function(err) {
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404 | open = false;
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405 | });
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406 | socket.on('error', function(err) {
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407 | error++;
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408 | });
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409 |
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410 | setTimeout(function() {
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411 |
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412 | assert.equal(error, 0);
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413 | assert.equal(open, true, 'ws should be opened');
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414 |
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415 | var recv = 0;
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416 | var timer = null;
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417 | socket.on('message', function(buf, flags) {
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418 | assert(Buffer.isBuffer(buf));
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419 | assert(flags.binary);
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420 | recv++;
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421 | assert.equal(buf[0], recv);
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422 | if (recv === 3) {
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423 | clearTimeout(timer);
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424 | socket.close();
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425 | done();
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426 | }
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427 | });
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428 |
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429 | device.incrementFooBar();
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430 | device.incrementFooBar();
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431 | device.incrementFooBar();
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432 |
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433 | timer = setTimeout(function() {
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434 | assert.equal(recv, 3, 'should have received 3 messages');
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435 | socket.close();
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436 | done();
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437 | }, 100);
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438 |
|
439 | }, 20);
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440 | });
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441 |
|
442 | });
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443 |
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444 |
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445 |
|
446 | });
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