1 | var mdns = require('./')
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2 | var tape = require('tape')
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3 | var dgram = require('dgram')
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4 |
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5 | var port = function (cb) {
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6 | var s = dgram.createSocket('udp4')
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7 | s.bind(0, function () {
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8 | var port = s.address().port
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9 | s.on('close', function () {
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10 | cb(port)
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11 | })
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12 | s.close()
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13 | })
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14 | }
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15 |
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16 | var configs = [
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17 | {ip: '127.0.0.1', multicast: false}
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18 | // {'interface': '127.0.0.1', multicast: true}
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19 | ]
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20 |
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21 | var tests = configs.map(function (config) {
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22 | return function (name, fn) {
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23 | tape(name, function (t) {
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24 | port(function (p) {
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25 | config.port = p
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26 | var dns = mdns(config)
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27 | dns.on('warning', function (e) {
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28 | t.error(e)
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29 | })
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30 | fn(dns, t)
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31 | })
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32 | })
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33 | }
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34 | })
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35 |
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36 | tests.forEach(function (test) {
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37 | test('works', function (dns, t) {
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38 | t.plan(3)
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39 |
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40 | dns.once('query', function (packet) {
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41 | t.same(packet.type, 'query')
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42 | dns.destroy(function () {
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43 | t.ok(true, 'destroys')
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44 | })
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45 | })
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46 |
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47 | dns.query('hello-world', function () {
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48 | t.ok(true, 'flushed')
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49 | })
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50 | })
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51 |
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52 | test('ANY query', function (dns, t) {
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53 | dns.once('query', function (packet) {
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54 | t.same(packet.questions.length, 1, 'one question')
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55 | t.same(packet.questions[0], {name: 'hello-world', type: 'ANY', class: 1})
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56 | dns.destroy(function () {
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57 | t.end()
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58 | })
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59 | })
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60 |
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61 | dns.query('hello-world', 'ANY')
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62 | })
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63 |
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64 | test('A record', function (dns, t) {
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65 | dns.once('query', function (packet) {
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66 | t.same(packet.questions.length, 1, 'one question')
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67 | t.same(packet.questions[0], {name: 'hello-world', type: 'A', class: 1})
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68 | dns.respond([{type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1'}])
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69 | })
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70 |
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71 | dns.once('response', function (packet) {
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72 | t.same(packet.answers.length, 1, 'one answer')
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73 | t.same(packet.answers[0], {type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1', class: 1, flush: false})
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74 | dns.destroy(function () {
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75 | t.end()
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76 | })
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77 | })
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78 |
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79 | dns.query('hello-world', 'A')
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80 | })
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81 |
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82 | test('A record (two questions)', function (dns, t) {
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83 | dns.once('query', function (packet) {
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84 | t.same(packet.questions.length, 2, 'two questions')
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85 | t.same(packet.questions[0], {name: 'hello-world', type: 'A', class: 1})
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86 | t.same(packet.questions[1], {name: 'hej.verden', type: 'A', class: 1})
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87 | dns.respond([{type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1'}, {
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88 | type: 'A',
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89 | name: 'hej.verden',
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90 | ttl: 120,
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91 | data: '127.0.0.2'
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92 | }])
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93 | })
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94 |
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95 | dns.once('response', function (packet) {
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96 | t.same(packet.answers.length, 2, 'one answers')
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97 | t.same(packet.answers[0], {type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1', class: 1, flush: false})
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98 | t.same(packet.answers[1], {type: 'A', name: 'hej.verden', ttl: 120, data: '127.0.0.2', class: 1, flush: false})
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99 | dns.destroy(function () {
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100 | t.end()
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101 | })
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102 | })
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103 |
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104 | dns.query([{name: 'hello-world', type: 'A'}, {name: 'hej.verden', type: 'A'}])
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105 | })
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106 |
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107 | test('AAAA record', function (dns, t) {
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108 | dns.once('query', function (packet) {
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109 | t.same(packet.questions.length, 1, 'one question')
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110 | t.same(packet.questions[0], {name: 'hello-world', type: 'AAAA', class: 1})
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111 | dns.respond([{type: 'AAAA', name: 'hello-world', ttl: 120, data: 'fe80::5ef9:38ff:fe8c:ceaa'}])
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112 | })
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113 |
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114 | dns.once('response', function (packet) {
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115 | t.same(packet.answers.length, 1, 'one answer')
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116 | t.same(packet.answers[0], {
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117 | type: 'AAAA',
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118 | name: 'hello-world',
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119 | ttl: 120,
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120 | data: 'fe80::5ef9:38ff:fe8c:ceaa',
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121 | class: 1,
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122 | flush: false
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123 | })
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124 | dns.destroy(function () {
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125 | t.end()
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126 | })
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127 | })
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128 |
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129 | dns.query('hello-world', 'AAAA')
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130 | })
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131 |
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132 | test('SRV record', function (dns, t) {
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133 | dns.once('query', function (packet) {
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134 | t.same(packet.questions.length, 1, 'one question')
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135 | t.same(packet.questions[0], {name: 'hello-world', type: 'SRV', class: 1})
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136 | dns.respond([{
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137 | type: 'SRV',
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138 | name: 'hello-world',
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139 | ttl: 120,
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140 | data: {port: 11111, target: 'hello.world.com', priority: 10, weight: 12}
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141 | }])
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142 | })
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143 |
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144 | dns.once('response', function (packet) {
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145 | t.same(packet.answers.length, 1, 'one answer')
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146 | t.same(packet.answers[0], {
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147 | type: 'SRV',
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148 | name: 'hello-world',
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149 | ttl: 120,
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150 | data: {port: 11111, target: 'hello.world.com', priority: 10, weight: 12},
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151 | class: 1,
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152 | flush: false
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153 | })
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154 | dns.destroy(function () {
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155 | t.end()
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156 | })
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157 | })
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158 |
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159 | dns.query('hello-world', 'SRV')
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160 | })
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161 |
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162 | test('TXT record', function (dns, t) {
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163 | var data = Buffer.from('black box')
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164 |
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165 | dns.once('query', function (packet) {
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166 | t.same(packet.questions.length, 1, 'one question')
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167 | t.same(packet.questions[0], {name: 'hello-world', type: 'TXT', class: 1})
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168 | dns.respond([{type: 'TXT', name: 'hello-world', ttl: 120, data: data}])
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169 | })
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170 |
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171 | dns.once('response', function (packet) {
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172 | t.same(packet.answers.length, 1, 'one answer')
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173 | t.same(packet.answers[0], {type: 'TXT', name: 'hello-world', ttl: 120, data: data, class: 1, flush: false})
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174 | dns.destroy(function () {
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175 | t.end()
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176 | })
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177 | })
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178 |
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179 | dns.query('hello-world', 'TXT')
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180 | })
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181 |
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182 | test('QU question bit', function (dns, t) {
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183 | dns.once('query', function (packet) {
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184 | t.same(packet.questions, [
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185 | {type: 'A', name: 'foo', class: 1},
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186 | {type: 'A', name: 'bar', class: 1}
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187 | ])
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188 | dns.destroy(function () {
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189 | t.end()
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190 | })
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191 | })
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192 |
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193 | dns.query([
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194 | {type: 'A', name: 'foo', class: 32769},
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195 | {type: 'A', name: 'bar', class: 1}
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196 | ])
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197 | })
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198 |
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199 | test('cache flush bit', function (dns, t) {
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200 | dns.once('query', function (packet) {
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201 | dns.respond({
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202 | answers: [
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203 | {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.1', class: 1, flush: true},
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204 | {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.2', class: 1, flush: false}
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205 | ],
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206 | additionals: [
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207 | {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.3', class: 1, flush: true}
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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 | dns.once('response', function (packet) {
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213 | t.same(packet.answers, [
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214 | {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.1', class: 1, flush: true},
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215 | {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.2', class: 1, flush: false}
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216 | ])
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217 | t.same(packet.additionals[0], {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.3', class: 1, flush: true})
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218 | dns.destroy(function () {
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219 | t.end()
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220 | })
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221 | })
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222 |
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223 | dns.query('foo', 'A')
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224 | })
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225 |
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226 | test('Authoritive Answer bit', function (dns, t) {
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227 | dns.once('query', function (packet) {
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228 | dns.respond([])
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229 | })
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230 |
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231 | dns.once('response', function (packet) {
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232 | t.ok(packet.flag_auth, 'should be set')
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233 | dns.destroy(function () {
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234 | t.end()
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235 | })
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236 | })
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237 |
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238 | dns.query('foo', 'A')
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239 | })
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240 | })
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