1 | var Runtime = require('../lib/runtime');
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2 | var assert = require('assert');
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3 | var Registry = require('./fixture/mem_registry');
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4 | var EventEmitter = require('events').EventEmitter;
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5 | EventEmitter.prototype._sendLogStreamEvent = function(topic, args, cb) {
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6 | if(cb) {
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7 | cb()
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8 | }
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9 | };
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10 |
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11 | describe('Runtime', function(){
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12 | describe('Reactive', function(done){
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13 | var runtime = null;
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14 | beforeEach(function() {
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15 | var reg = new Registry();
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16 | runtime = new Runtime({registry: reg});
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17 | });
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18 |
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19 | it('implements the filter method.', function() {
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20 | assert.ok(runtime.filter);
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21 | });
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22 |
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23 | it('implements the map method.', function() {
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24 | assert.ok(runtime.map);
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25 | });
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26 |
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27 | it('implements the zip method.', function() {
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28 | assert.ok(runtime.zip);
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29 | });
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30 |
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31 | it('implements the subscribe method.', function() {
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32 | assert.ok(runtime.subscribe);
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33 | });
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34 |
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35 | it('implements the observe method.', function() {
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36 | assert.ok(runtime.observe);
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37 | });
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38 |
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39 | it('calls the calls the filter method on deviceready', function() {
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40 | var d = new EventEmitter();
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41 | d.type = 'test';
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42 |
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43 | runtime
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44 | .filter(function(e) {
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45 | assert.equal(e.type, 'test');
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46 | done();
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47 | });
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48 |
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49 | runtime.emit('deviceready', d);
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50 | });
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51 |
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52 | it('calls subscribe when the observable chain is complete.', function(done) {
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53 | var d = new EventEmitter();
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54 | d.type = 'test';
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55 | runtime
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56 | .subscribe(function(d) {
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57 | assert.equal(d.type, 'test');
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58 | done();
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59 | });
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60 |
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61 | runtime.emit('deviceready', d);
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62 | });
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63 |
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64 | it('calls map on the observable chain when an event occurs', function(done) {
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65 | var d = new EventEmitter();
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66 | d.type = 'test';
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67 |
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68 | runtime
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69 | .map(function(d) {
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70 | assert.equal(d.type, 'test');
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71 | return d;
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72 | })
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73 | .subscribe(function(x) {
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74 | assert.equal(x.type, 'test');
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75 | done();
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76 | });
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77 |
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78 | runtime.emit('deviceready', d);
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79 |
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80 | });
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81 |
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82 | it('only calls zip when all conditions are fulfilled.', function(done) {
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83 | var d1 = new EventEmitter();
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84 | d1.type = 'test';
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85 | var d2 = new EventEmitter();
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86 | d2.type = 'test2';
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87 |
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88 | var filter2 = runtime.filter(function(d) {
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89 | return d.type == 'test2';
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90 | });
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91 |
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92 | runtime
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93 | .filter(function(d) {
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94 | return d.type == 'test';
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95 | }).zip(filter2, function(){
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96 | return arguments;
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97 | })
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98 | .subscribe(function(x) {
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99 | assert.equal(x[0].type, 'test');
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100 | assert.equal(x[1].type, 'test2');
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101 | done();
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102 | });
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103 |
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104 | runtime.emit('deviceready', d1);
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105 | runtime.emit('deviceready', d2);
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106 | });
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107 |
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108 | describe('Runtime#observe', function() {
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109 | it('returns a Subscription when a subscribe function is provided', function() {
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110 | var q = runtime.where({ type: 'test' });
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111 |
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112 | var sub = runtime.observe(q, function(device) {
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113 |
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114 | });
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115 |
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116 | assert(typeof(sub.dispose) === 'function');
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117 | });
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118 |
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119 | it('returns an Observable when a subscribe function is not provided', function() {
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120 | var q = runtime.where({ type: 'test' });
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121 |
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122 | var obs = runtime.observe(q);
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123 |
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124 | assert(typeof(obs.subscribe) === 'function');
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125 | });
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126 |
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127 | it('will take a single query as the first argument', function(done) {
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128 | var q = runtime.where({ type: 'test' });
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129 | var d = new EventEmitter();
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130 | d.type = 'test';
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131 |
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132 | runtime.observe(q, function(device) {
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133 | assert.equal(device.type, 'test');
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134 | done();
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135 | });
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136 |
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137 | runtime.emit('deviceready', d);
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138 | });
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139 |
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140 | it('will call the observe callback when the query is fullfilled.', function(done) {
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141 | var q = runtime.where({type: 'test'});
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142 | var d = new EventEmitter();
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143 | d.type = 'test';
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144 | runtime.observe([q], function(device) {
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145 | assert.equal(device.type, 'test');
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146 | done();
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147 | });
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148 |
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149 | runtime.emit('deviceready', d);
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150 | });
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151 |
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152 | it('will call the observe callback when all queries are fullfilled.', function(done) {
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153 | var q1 = runtime.where({ type: 'test1' });
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154 | var q2 = runtime.where({ type: 'test2' });
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155 |
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156 | var d1 = new EventEmitter();
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157 | d1.type = 'test1';
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158 | var d2 = new EventEmitter();
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159 | d2.type = 'test2';
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160 |
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161 | runtime.observe([q1, q2], function(one, two) {
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162 | assert.equal(one.type, 'test1');
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163 | assert.equal(two.type, 'test2');
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164 | done();
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165 | });
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166 |
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167 | runtime.emit('deviceready', d1);
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168 | runtime.emit('deviceready', d2);
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169 | });
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170 |
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171 | it('will call the observe callback when all queries are fullfilled, and when events happen in any order', function(done) {
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172 | var q1 = runtime.where({ type: 'test1' });
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173 | var q2 = runtime.where({ type: 'test2' });
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174 |
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175 | var d1 = new EventEmitter();
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176 | d1.type = 'test1';
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177 | var d2 = new EventEmitter();
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178 | d2.type = 'test2';
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179 | runtime.observe([q1, q2], function(one, two) {
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180 | assert.equal(one.type, 'test1');
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181 | assert.equal(two.type, 'test2');
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182 | done();
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183 | });
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184 |
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185 | runtime.emit('deviceready', d2);
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186 | runtime.emit('deviceready', d1);
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187 | });
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188 |
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189 | it('will fire if a device exists in the registry and doesn\'t call deviceready', function(done) {
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190 | runtime._jsDevices['1'] = { id: '1', type: 'test1' };
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191 |
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192 | var q1 = runtime.where({ type: 'test1' });
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193 | var q2 = runtime.where({ type: 'test2' });
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194 |
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195 | var d2 = new EventEmitter();
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196 | d2.type = 'test2';
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197 |
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198 | runtime.observe([q1, q2], function(one, two) {
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199 | assert.equal(one.type, 'test1');
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200 | assert.equal(two.type, 'test2');
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201 | done();
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202 | });
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203 |
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204 | runtime.emit('deviceready', d2);
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205 | });
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206 | });
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207 |
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208 | describe('Device deletion from runtime', function() {
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209 | it('will delete a remote device from the runtime', function(done) {
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210 | var peerName = 'hub';
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211 | var id = '1';
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212 | var peer = new EventEmitter();
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213 | peer.subscribe = function() {};
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214 | peer.name = peerName;
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215 | var data = { 'properties': { 'id': id }, 'actions': [], 'links': [{'title': 'logs', 'href': 'http://localhost/servers/hub/devices/1?topic=logs', 'rel': []}]};
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216 | runtime._remoteDevices[peerName] = {};
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217 | var virtualDevice = runtime._createRemoteDevice(peer, data);
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218 | virtualDevice._eventEmitter.emit('zetta-device-destroy');
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219 | setTimeout(function() {
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220 | assert.ok(!runtime._remoteDevices[peerName][id]);
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221 | done();
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222 | }, 100);
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223 | });
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224 |
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225 |
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226 | it('will delete a device from the runtime', function(done) {
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227 | var emitter = new EventEmitter();
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228 | emitter.id = '1';
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229 | emitter.type = 'test1';
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230 | runtime._jsDevices['1'] = emitter;
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231 | runtime.registry.db.put('1', {'id': '1', 'type': 'test1'}, {valueEncoding: 'json'}, function() {
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232 | runtime.emit('deviceready', emitter);
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233 | emitter.emit('destroy', emitter);
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234 | setTimeout(function() {
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235 | assert.ok(!runtime._jsDevices.hasOwnProperty('1'));
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236 | done();
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237 | }, 100);
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238 | });
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239 | });
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240 |
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241 | it('will delete a device from the runtime using _destroyDevice', function(done) {
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242 | var emitter = new EventEmitter();
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243 | emitter.id = '1';
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244 | emitter.type = 'test1';
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245 | runtime._jsDevices['1'] = emitter;
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246 | runtime.registry.db.put('1', {'id': '1', 'type': 'test1'}, {valueEncoding: 'json'}, function() {
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247 | runtime.emit('deviceready', emitter);
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248 | runtime._destroyDevice(emitter, function(err) {
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249 | assert.ok(!err);
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250 | assert.ok(!runtime._jsDevices.hasOwnProperty('1'));
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251 | done();
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252 | });
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253 | });
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254 | });
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255 |
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256 | it('_destroyDevice callback will pass an error if _sendLogStreamEvent is not a function on the device prototype.', function(done) {
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257 | var emitter = new EventEmitter();
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258 | emitter.id = '1';
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259 | emitter.type = 'test1';
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260 | emitter._sendLogStreamEvent = null;
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261 | runtime._jsDevices['1'] = emitter;
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262 | runtime.registry.db.put('1', {'id': '1', 'type': 'test1'}, {valueEncoding: 'json'}, function() {
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263 | runtime.emit('deviceready', emitter);
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264 | runtime._destroyDevice(emitter, function(err) {
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265 | assert.ok(err);
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266 | assert.equal(err.message, 'Device not compatible');
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267 | done();
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268 | });
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269 | });
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270 | });
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271 | });
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272 |
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273 | describe('Extended reactive syntax', function() {
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274 | it('will respond the same way using the extended reactive syntax.', function(done) {
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275 | runtime
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276 | .filter(function(d) {
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277 | return d.type === 'test1';
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278 | })
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279 | .zip(runtime.filter(function(d){
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280 | return d.type === 'test2';
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281 | }), function() {
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282 | return Array.prototype.slice.call(arguments);
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283 | })
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284 | .subscribe(function(x) {
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285 | var devOne = x[0];
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286 | var devTwo = x[1];
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287 | assert.equal(devOne.type, 'test1');
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288 | assert.equal(devTwo.type, 'test2');
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289 | done();
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290 | });
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291 |
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292 | var d1 = new EventEmitter();
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293 | d1.type = 'test1';
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294 | var d2 = new EventEmitter();
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295 | d2.type = 'test2';
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296 |
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297 | runtime.emit('deviceready', d1);
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298 | runtime.emit('deviceready', d2);
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299 | });
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300 |
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301 | it('take will only fire with one pair.', function(done) {
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302 | var emitter = new EventEmitter();
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303 | var fired = 0;
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304 | runtime
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305 | .filter(function(d) {
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306 | return d.type === 'test1';
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307 | })
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308 | .zip(runtime.filter(function(d){
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309 | return d.type === 'test2';
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310 | }), function() {
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311 | return Array.prototype.slice.call(arguments);
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312 | })
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313 | .take(1)
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314 | .subscribe(function(x) {
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315 | var devOne = x[0];
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316 | var devTwo = x[1];
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317 | assert.equal(devOne.type, 'test1');
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318 | assert.equal(devTwo.type, 'test2');
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319 | fired++;
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320 | emitter.on('complete', function() {
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321 | assert.equal(fired, 1);
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322 | done();
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323 | });
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324 | });
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325 |
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326 | var d1 = new EventEmitter();
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327 | d1.type = 'test1';
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328 | var d2 = new EventEmitter();
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329 | d2.type = 'test2';
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330 |
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331 | runtime.emit('deviceready', d1);
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332 | runtime.emit('deviceready', d2);
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333 | runtime.emit('deviceready', d1);
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334 | runtime.emit('deviceready', d2);
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335 | emitter.emit('complete');
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336 | });
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337 |
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338 | it('will only fire take one time', function(done) {
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339 | var d = new EventEmitter();
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340 | d.type = 'test';
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341 | var fired = 0;
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342 | var emitter = new EventEmitter();
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343 | runtime
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344 | .take(1)
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345 | .subscribe(function(x) {
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346 | assert.equal(x.type, 'test');
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347 | fired++;
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348 | emitter.on('complete', function(){
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349 | assert.equal(fired, 1);
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350 | done();
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351 | });
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352 | });
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353 |
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354 | runtime.emit('deviceready', d);
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355 | emitter.emit('complete');
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356 | });
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357 |
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358 | it('will only fire take twice.', function(done) {
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359 | var d = new EventEmitter();
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360 | d.type = 'test';
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361 | var fired = 0;
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362 | var emitter = new EventEmitter();
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363 | runtime
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364 | .take(2)
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365 | .subscribe(function(x) {
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366 | assert.equal(x.type, 'test');
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367 | fired++;
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368 | if(fired > 1) {
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369 | emitter.on('complete', function(){
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370 | assert.equal(fired, 2);
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371 | done();
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372 | });
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373 | }
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374 | });
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375 |
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376 | runtime.emit('deviceready', d);
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377 | runtime.emit('deviceready', d);
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378 | runtime.emit('deviceready', d);
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379 | emitter.emit('complete');
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380 | });
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381 | });
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382 | });
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383 | });
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384 |
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