1 | var zetta = require('../');
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2 | var assert = require('assert');
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3 | var http = require('http');
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4 | var WebSocket = require('ws');
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5 | var Scout = require('./fixture/example_scout');
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6 | var zettacluster = require('zetta-cluster');
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7 |
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8 | describe('Event Websocket Proxied Through Peer', function() {
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9 | var base = null;
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10 | var cluster = null;
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11 | var device = null;
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12 |
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13 | beforeEach(function(done) {
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14 | cluster = zettacluster({ zetta: zetta })
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15 | .server('cloud deploy')
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16 | .server('detroit 1', [Scout], ['cloud deploy'])
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17 | .on('ready', function(){
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18 | var id = cluster.servers['detroit 1'].id;
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19 | base = 'localhost:' + cluster.servers['cloud deploy']._testPort + '/servers/' + cluster.servers['cloud deploy'].locatePeer(id);
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20 | var did = Object.keys(cluster.servers['detroit 1'].runtime._jsDevices)[0];
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21 | device = cluster.servers['detroit 1'].runtime._jsDevices[did];
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22 | setTimeout(done, 300);
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23 | })
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24 | .run(function(err) {
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25 | if (err) {
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26 | done(err);
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27 | }
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28 | });
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29 | });
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30 |
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31 | afterEach(function(done) {
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32 | cluster.stop();
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33 | setTimeout(done, 10);
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34 | });
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35 |
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36 | describe('Basic Connection', function() {
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37 |
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38 | it('http resource should exist with statusCode 200', function(done) {
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39 | http.get('http://' + base + '/devices/' + device.id, function(res) {
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40 | assert.equal(res.statusCode, 200);
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41 | done();
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42 | }).on('error', done);
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43 | });
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44 |
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45 | it('websocket should connect', function(done) {
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46 | var url = 'ws://' + base + '/events?topic=testdriver/'+device.id+'/bar';
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47 | var error = 0;
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48 | var open = false;
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49 | var socket = new WebSocket(url);
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50 | socket.on('open', function(err) {
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51 | open = true;
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52 | });
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53 | socket.on('close', function(err) {
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54 | open = false;
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55 | });
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56 | socket.on('error', function(err) {
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57 | error++;
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58 | });
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59 |
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60 | setTimeout(function() {
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61 | socket.close();
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62 | assert.equal(error, 0);
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63 | assert.equal(open, true, 'ws should be opened');
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64 | done();
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65 | }, 20);
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66 | });
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67 |
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68 | });
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69 |
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70 |
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71 |
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72 | describe('Receive json messages', function() {
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73 |
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74 | it('websocket should connect and recv data in json form', function(done) {
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75 | var url = 'ws://' + base + '/events?topic=testdriver/'+device.id+'/bar';
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76 | var error = 0;
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77 | var open = false;
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78 | var socket = new WebSocket(url);
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79 | socket.on('open', function(err) {
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80 | open = true;
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81 | });
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82 | socket.on('close', function(err) {
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83 | open = false;
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84 | });
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85 | socket.on('error', function(err) {
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86 | error++;
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87 | });
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88 |
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89 | setTimeout(function() {
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90 | assert.equal(error, 0);
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91 | assert.equal(open, true, 'ws should be opened');
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92 |
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93 | var timer = null;
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94 | var recv = 0;
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95 | socket.on('message', function(buf, flags) {
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96 | var msg = JSON.parse(buf);
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97 | recv++;
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98 | assert(msg.timestamp);
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99 | assert(msg.topic);
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100 | assert.equal(msg.data, recv);
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101 | if (recv === 3) {
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102 | clearTimeout(timer);
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103 | socket.close();
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104 | done();
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105 | }
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106 | });
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107 |
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108 | device.incrementStreamValue();
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109 | device.incrementStreamValue();
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110 | device.incrementStreamValue();
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111 |
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112 | timer = setTimeout(function() {
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113 | assert.equal(recv, 3, 'should have received 3 messages');
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114 | socket.close();
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115 | done();
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116 | }, 100);
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117 |
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118 | }, 20);
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119 | });
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120 |
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121 |
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122 | it('websocket should recv only one set of messages when reconnecting', function(done) {
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123 | var url = 'ws://' + base + '/events?topic=testdriver/'+device.id+'/bar';
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124 |
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125 | function openAndClose(cb) {
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126 | var s1 = new WebSocket(url);
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127 | s1.on('open', function(err) {
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128 | s1.close();
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129 | s1.on('close', function(){
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130 | cb();
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131 | });
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132 | });
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133 | }
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134 | openAndClose(function(){
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135 | var s2 = new WebSocket(url);
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136 | s2.on('open', function(err) {
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137 | var count = 0;
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138 | s2.on('message', function(buf, flags) {
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139 | count++;
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140 | });
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141 |
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142 | setTimeout(function() {
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143 | device.incrementStreamValue();
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144 |
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145 | setTimeout(function() {
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146 | assert.equal(count, 1, 'Should have only received 1 message. Received: ' + count);
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147 | done();
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148 | }, 100);
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149 | }, 100);
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150 | });
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151 | });
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152 |
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153 | return;
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154 | });
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155 |
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156 |
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157 | it('websocket should connect and recv device log events', function(done) {
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158 | var url = 'ws://' + base + '/events?topic=testdriver/'+device.id+'/logs';
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159 |
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160 | var error = 0;
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161 | var open = false;
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162 | var socket = new WebSocket(url);
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163 | socket.on('open', function(err) {
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164 | open = true;
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165 | });
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166 | socket.on('close', function(err) {
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167 | open = false;
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168 | });
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169 | socket.on('error', function(err) {
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170 | error++;
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171 | });
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172 |
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173 | setTimeout(function() {
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174 | assert.equal(error, 0);
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175 | assert.equal(open, true, 'ws should be opened');
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176 |
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177 | var recv = 0;
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178 | var timer = null;
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179 | socket.on('message', function(buf, flags) {
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180 | var msg = JSON.parse(buf);
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181 | recv++;
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182 | assert(msg.timestamp);
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183 | assert(msg.topic);
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184 | assert(msg.actions.filter(function(action) {
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185 | return action.name === 'prepare';
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186 | }).length > 0);
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187 |
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188 | assert.equal(msg.actions[0].href.replace('http://',''), base + '/devices/' + device.id)
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189 |
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190 | if (recv === 1) {
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191 | clearTimeout(timer);
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192 | socket.close();
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193 | done();
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194 | }
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195 | });
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196 |
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197 | device.call('change');
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198 |
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199 | timer = setTimeout(function() {
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200 | assert.equal(recv, 1, 'should have received 1 message');
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201 | socket.close();
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202 | done();
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203 | }, 100);
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204 | }, 20);
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205 | });
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206 |
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207 |
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208 |
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209 | });
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210 |
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211 |
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212 |
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213 |
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214 |
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215 |
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216 | describe('Receive binary messages', function() {
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217 |
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218 | it('websocket should connect and recv data in binary form', function(done) {
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219 | var url = 'ws://' + base + '/events?topic=testdriver/'+device.id+'/foobar';
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220 | var error = 0;
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221 | var open = false;
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222 | var socket = new WebSocket(url);
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223 | socket.on('open', function(err) {
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224 | open = true;
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225 | });
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226 | socket.on('close', function(err) {
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227 | open = false;
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228 | });
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229 | socket.on('error', function(err) {
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230 | error++;
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231 | });
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232 |
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233 | setTimeout(function() {
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234 |
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235 | assert.equal(error, 0);
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236 | assert.equal(open, true, 'ws should be opened');
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237 | var timer = null;
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238 | var recv = 0;
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239 | socket.on('message', function(buf, flags) {
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240 | assert(Buffer.isBuffer(buf));
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241 | assert(flags.binary);
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242 | recv++;
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243 | assert.equal(buf[0], recv);
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244 | if (recv === 3) {
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245 | clearTimeout(timer);
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246 | socket.close();
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247 | done();
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248 | }
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249 | });
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250 |
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251 | device.incrementFooBar();
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252 | device.incrementFooBar();
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253 | device.incrementFooBar();
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254 |
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255 | timer = setTimeout(function() {
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256 | assert.equal(recv, 3, 'should have received 3 messages');
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257 | socket.close();
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258 | done();
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259 | }, 100);
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260 |
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261 | }, 20);
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262 | });
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263 |
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264 | });
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265 |
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266 |
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267 |
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268 | });
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