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node_modules/multicast-dns/test.js

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+var mdns = require('./')
+var tape = require('tape')
+var dgram = require('dgram')
+
+var port = function (cb) {
+  var s = dgram.createSocket('udp4')
+  s.bind(0, function () {
+    var port = s.address().port
+    s.on('close', function () {
+      cb(port)
+    })
+    s.close()
+  })
+}
+
+var configs = [
+  {ip: '127.0.0.1', multicast: false}
+  // {'interface': '127.0.0.1', multicast: true}
+]
+
+var tests = configs.map(function (config) {
+  return function (name, fn) {
+    tape(name, function (t) {
+      port(function (p) {
+        config.port = p
+        var dns = mdns(config)
+        dns.on('warning', function (e) {
+          t.error(e)
+        })
+        fn(dns, t)
+      })
+    })
+  }
+})
+
+tests.forEach(function (test) {
+  test('works', function (dns, t) {
+    t.plan(3)
+
+    dns.once('query', function (packet) {
+      t.same(packet.type, 'query')
+      dns.destroy(function () {
+        t.ok(true, 'destroys')
+      })
+    })
+
+    dns.query('hello-world', function () {
+      t.ok(true, 'flushed')
+    })
+  })
+
+  test('ANY query', function (dns, t) {
+    dns.once('query', function (packet) {
+      t.same(packet.questions.length, 1, 'one question')
+      t.same(packet.questions[0], {name: 'hello-world', type: 'ANY', class: 'IN'})
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('hello-world', 'ANY')
+  })
+
+  test('A record', function (dns, t) {
+    dns.once('query', function (packet) {
+      t.same(packet.questions.length, 1, 'one question')
+      t.same(packet.questions[0], {name: 'hello-world', type: 'A', class: 'IN'})
+      dns.respond([{type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1'}])
+    })
+
+    dns.once('response', function (packet) {
+      t.same(packet.answers.length, 1, 'one answer')
+      t.same(packet.answers[0], {type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1', class: 'IN', flush: false})
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('hello-world', 'A')
+  })
+
+  test('A record (two questions)', function (dns, t) {
+    dns.once('query', function (packet) {
+      t.same(packet.questions.length, 2, 'two questions')
+      t.same(packet.questions[0], {name: 'hello-world', type: 'A', class: 'IN'})
+      t.same(packet.questions[1], {name: 'hej.verden', type: 'A', class: 'IN'})
+      dns.respond([{type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1'}, {
+        type: 'A',
+        name: 'hej.verden',
+        ttl: 120,
+        data: '127.0.0.2'
+      }])
+    })
+
+    dns.once('response', function (packet) {
+      t.same(packet.answers.length, 2, 'one answers')
+      t.same(packet.answers[0], {type: 'A', name: 'hello-world', ttl: 120, data: '127.0.0.1', class: 'IN', flush: false})
+      t.same(packet.answers[1], {type: 'A', name: 'hej.verden', ttl: 120, data: '127.0.0.2', class: 'IN', flush: false})
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query([{name: 'hello-world', type: 'A'}, {name: 'hej.verden', type: 'A'}])
+  })
+
+  test('AAAA record', function (dns, t) {
+    dns.once('query', function (packet) {
+      t.same(packet.questions.length, 1, 'one question')
+      t.same(packet.questions[0], {name: 'hello-world', type: 'AAAA', class: 'IN'})
+      dns.respond([{type: 'AAAA', name: 'hello-world', ttl: 120, data: 'fe80::5ef9:38ff:fe8c:ceaa'}])
+    })
+
+    dns.once('response', function (packet) {
+      t.same(packet.answers.length, 1, 'one answer')
+      t.same(packet.answers[0], {
+        type: 'AAAA',
+        name: 'hello-world',
+        ttl: 120,
+        data: 'fe80::5ef9:38ff:fe8c:ceaa',
+        class: 'IN',
+        flush: false
+      })
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('hello-world', 'AAAA')
+  })
+
+  test('SRV record', function (dns, t) {
+    dns.once('query', function (packet) {
+      t.same(packet.questions.length, 1, 'one question')
+      t.same(packet.questions[0], {name: 'hello-world', type: 'SRV', class: 'IN'})
+      dns.respond([{
+        type: 'SRV',
+        name: 'hello-world',
+        ttl: 120,
+        data: {port: 11111, target: 'hello.world.com', priority: 10, weight: 12}
+      }])
+    })
+
+    dns.once('response', function (packet) {
+      t.same(packet.answers.length, 1, 'one answer')
+      t.same(packet.answers[0], {
+        type: 'SRV',
+        name: 'hello-world',
+        ttl: 120,
+        data: {port: 11111, target: 'hello.world.com', priority: 10, weight: 12},
+        class: 'IN',
+        flush: false
+      })
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('hello-world', 'SRV')
+  })
+
+  test('TXT record', function (dns, t) {
+    var data = [Buffer.from('black box')]
+
+    dns.once('query', function (packet) {
+      t.same(packet.questions.length, 1, 'one question')
+      t.same(packet.questions[0], {name: 'hello-world', type: 'TXT', class: 'IN'})
+      dns.respond([{type: 'TXT', name: 'hello-world', ttl: 120, data: data}])
+    })
+
+    dns.once('response', function (packet) {
+      t.same(packet.answers.length, 1, 'one answer')
+      t.same(packet.answers[0], {type: 'TXT', name: 'hello-world', ttl: 120, data: data, class: 'IN', flush: false})
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('hello-world', 'TXT')
+  })
+
+  test('TXT array record', function (dns, t) {
+    var data = ['black', 'box']
+
+    dns.once('query', function (packet) {
+      t.same(packet.questions.length, 1, 'one question')
+      t.same(packet.questions[0], {name: 'hello-world', type: 'TXT', class: 'IN'})
+      dns.respond([{type: 'TXT', name: 'hello-world', ttl: 120, data: data}])
+    })
+
+    dns.once('response', function (packet) {
+      t.same(packet.answers.length, 1, 'one answer')
+      t.same(packet.answers[0], {type: 'TXT', name: 'hello-world', ttl: 120, data: data, class: 'IN', flush: false})
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('hello-world', 'TXT')
+  })
+
+  test('QU question bit', function (dns, t) {
+    dns.once('query', function (packet) {
+      t.same(packet.questions, [
+        {type: 'A', name: 'foo', class: 'IN'},
+        {type: 'A', name: 'bar', class: 'IN'}
+      ])
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query([
+      {type: 'A', name: 'foo', class: 'IN'},
+      {type: 'A', name: 'bar', class: 'IN'}
+    ])
+  })
+
+  test('cache flush bit', function (dns, t) {
+    dns.once('query', function (packet) {
+      dns.respond({
+        answers: [
+          {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.1', class: 'IN', flush: true},
+          {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.2', class: 'IN', flush: false}
+        ],
+        additionals: [
+          {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.3', class: 'IN', flush: true}
+        ]
+      })
+    })
+
+    dns.once('response', function (packet) {
+      t.same(packet.answers, [
+        {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.1', class: 'IN', flush: true},
+        {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.2', class: 'IN', flush: false}
+      ])
+      t.same(packet.additionals[0], {type: 'A', name: 'foo', ttl: 120, data: '127.0.0.3', class: 'IN', flush: true})
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('foo', 'A')
+  })
+
+  test('Authoritive Answer bit', function (dns, t) {
+    dns.once('query', function (packet) {
+      dns.respond([])
+    })
+
+    dns.once('response', function (packet) {
+      t.ok(packet.flag_aa, 'should be set')
+      dns.destroy(function () {
+        t.end()
+      })
+    })
+
+    dns.query('foo', 'A')
+  })
+})