2867 lines
		
	
	
		
			66 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			2867 lines
		
	
	
		
			66 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
const util = require('util')
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const test = require('tape')
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const mqtt = require('./')
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const WS = require('readable-stream').Writable
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function normalExpectedObject (object) {
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  if (object.username != null) object.username = object.username.toString()
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  if (object.password != null) object.password = Buffer.from(object.password)
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  return object
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}
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function testParseGenerate (name, object, buffer, opts) {
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  test(`${name} parse`, t => {
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    t.plan(2)
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    const parser = mqtt.parser(opts)
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    const expected = object
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    const fixture = buffer
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    parser.on('packet', packet => {
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      if (packet.cmd !== 'publish') {
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        delete packet.topic
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        delete packet.payload
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      }
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      t.deepLooseEqual(packet, normalExpectedObject(expected), 'expected packet')
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    })
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    parser.on('error', err => {
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      t.fail(err)
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    })
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    t.equal(parser.parse(fixture), 0, 'remaining bytes')
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  })
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  test(`${name} generate`, t => {
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    // For really large buffers, the expanded hex string can be so long as to
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    // generate an error in nodejs 14.x, so only do the test with extra output
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    // for relatively small buffers.
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    const bigLength = 10000
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    const generatedBuffer = mqtt.generate(object, opts)
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    if (generatedBuffer.length < bigLength && buffer.length < bigLength) {
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      t.equal(generatedBuffer.toString('hex'), buffer.toString('hex'))
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    } else {
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      const bufferOkay = generatedBuffer.equals(buffer)
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      if (bufferOkay) {
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        t.pass()
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      } else {
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        // Output abbreviated representations of the buffers.
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        t.comment('Expected:\n' + util.inspect(buffer))
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        t.comment('Got:\n' + util.inspect(generatedBuffer))
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        t.fail('Large buffers not equal')
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      }
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    }
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    t.end()
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  })
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  test(`${name} mirror`, t => {
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    t.plan(2)
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    const parser = mqtt.parser(opts)
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    const expected = object
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    const fixture = mqtt.generate(object, opts)
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    parser.on('packet', packet => {
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      if (packet.cmd !== 'publish') {
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        delete packet.topic
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        delete packet.payload
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      }
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      t.deepLooseEqual(packet, normalExpectedObject(expected), 'expected packet')
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    })
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    parser.on('error', err => {
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      t.fail(err)
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    })
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    t.equal(parser.parse(fixture), 0, 'remaining bytes')
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  })
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  test(`${name} writeToStream`, t => {
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    const stream = WS()
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    stream.write = () => true
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    stream.on('error', (err) => t.fail(err))
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    const result = mqtt.writeToStream(object, stream, opts)
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    t.equal(result, true, 'should return true')
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    t.end()
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  })
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}
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// the API allows to pass strings as buffers to writeToStream and generate
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// parsing them back will result in a string so only generate and compare to buffer
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function testGenerateOnly (name, object, buffer, opts) {
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  test(name, t => {
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    t.equal(mqtt.generate(object, opts).toString('hex'), buffer.toString('hex'))
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    t.end()
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  })
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}
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function testParseOnly (name, object, buffer, opts) {
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  test(name, t => {
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    const parser = mqtt.parser(opts)
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    // const expected = object
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    // const fixture = buffer
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    t.plan(2 + Object.keys(object).length)
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    parser.on('packet', packet => {
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      t.equal(Object.keys(object).length, Object.keys(packet).length, 'key count')
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      Object.keys(object).forEach(key => {
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        t.deepEqual(packet[key], object[key], `expected packet property ${key}`)
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      })
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    })
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    t.equal(parser.parse(buffer), 0, 'remaining bytes')
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    t.end()
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  })
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}
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function testParseError (expected, fixture, opts) {
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  test(expected, t => {
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    t.plan(1)
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    const parser = mqtt.parser(opts)
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    parser.on('error', err => {
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      t.equal(err.message, expected, 'expected error message')
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    })
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    parser.on('packet', () => {
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      t.fail('parse errors should not be followed by packet events')
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    })
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    parser.parse(fixture)
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    t.end()
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  })
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}
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function testGenerateError (expected, fixture, opts, name) {
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  test(name || expected, t => {
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    t.plan(1)
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    try {
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      mqtt.generate(fixture, opts)
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    } catch (err) {
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      t.equal(expected, err.message)
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    }
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    t.end()
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  })
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}
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function testGenerateErrorMultipleCmds (cmds, expected, fixture, opts) {
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  cmds.forEach(cmd => {
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    const obj = Object.assign({}, fixture)
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    obj.cmd = cmd
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    testGenerateError(expected, obj, opts, `${expected} on ${cmd}`)
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  }
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  )
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}
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function testParseGenerateDefaults (name, object, buffer, generated, opts) {
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  testParseOnly(`${name} parse`, generated, buffer, opts)
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  testGenerateOnly(`${name} generate`, object, buffer, opts)
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}
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function testParseAndGenerate (name, object, buffer, opts) {
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  testParseOnly(`${name} parse`, object, buffer, opts)
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  testGenerateOnly(`${name} generate`, object, buffer, opts)
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}
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function testWriteToStreamError (expected, fixture) {
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  test(`writeToStream ${expected} error`, t => {
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    t.plan(2)
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    const stream = WS()
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    stream.write = () => t.fail('should not have called write')
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    stream.on('error', () => t.pass('error emitted'))
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    const result = mqtt.writeToStream(fixture, stream)
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    t.false(result, 'result should be false')
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    t.end()
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  })
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}
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test('cacheNumbers get/set/unset', t => {
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  t.true(mqtt.writeToStream.cacheNumbers, 'initial state of cacheNumbers is enabled')
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  mqtt.writeToStream.cacheNumbers = false
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  t.false(mqtt.writeToStream.cacheNumbers, 'cacheNumbers can be disabled')
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  mqtt.writeToStream.cacheNumbers = true
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  t.true(mqtt.writeToStream.cacheNumbers, 'cacheNumbers can be enabled')
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  t.end()
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})
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test('disabled numbers cache', t => {
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  const stream = WS()
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  const message = {
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    cmd: 'publish',
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    retain: false,
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    qos: 0,
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    dup: false,
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    length: 10,
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    topic: Buffer.from('test'),
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    payload: Buffer.from('test')
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  }
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  const expected = Buffer.from([
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    48, 10, // Header
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    0, 4, // Topic length
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    116, 101, 115, 116, // Topic (test)
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    116, 101, 115, 116 // Payload (test)
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  ])
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  let written = Buffer.alloc(0)
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  stream.write = (chunk) => {
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    written = Buffer.concat([written, chunk])
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  }
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  mqtt.writeToStream.cacheNumbers = false
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  mqtt.writeToStream(message, stream)
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  t.deepEqual(written, expected, 'written buffer is expected')
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  mqtt.writeToStream.cacheNumbers = true
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  stream.end()
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  t.end()
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})
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testGenerateError('Unknown command', {})
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testParseError('Not supported', Buffer.from([0, 1, 0]), {})
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// Length header field
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testParseError('Invalid variable byte integer', Buffer.from(
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  [16, 255, 255, 255, 255]
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), {})
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testParseError('Invalid variable byte integer', Buffer.from(
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  [16, 255, 255, 255, 128]
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), {})
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testParseError('Invalid variable byte integer', Buffer.from(
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  [16, 255, 255, 255, 255, 1]
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), {})
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testParseError('Invalid variable byte integer', Buffer.from(
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  [16, 255, 255, 255, 255, 127]
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), {})
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testParseError('Invalid variable byte integer', Buffer.from(
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  [16, 255, 255, 255, 255, 128]
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), {})
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testParseError('Invalid variable byte integer', Buffer.from(
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  [16, 255, 255, 255, 255, 255, 1]
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), {})
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testParseGenerate('minimal connect', {
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  cmd: 'connect',
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  retain: false,
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  qos: 0,
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  dup: false,
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  length: 18,
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  protocolId: 'MQIsdp',
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  protocolVersion: 3,
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  clean: false,
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  keepalive: 30,
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  clientId: 'test'
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}, Buffer.from([
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  16, 18, // Header
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  0, 6, // Protocol ID length
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  77, 81, 73, 115, 100, 112, // Protocol ID
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  3, // Protocol version
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  0, // Connect flags
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  0, 30, // Keepalive
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  0, 4, // Client ID length
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  116, 101, 115, 116 // Client ID
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]))
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testGenerateOnly('minimal connect with clientId as Buffer', {
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  cmd: 'connect',
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  retain: false,
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  qos: 0,
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  dup: false,
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  length: 18,
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  protocolId: 'MQIsdp',
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  protocolVersion: 3,
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  clean: false,
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  keepalive: 30,
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  clientId: Buffer.from('test')
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}, Buffer.from([
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  16, 18, // Header
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  0, 6, // Protocol ID length
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  77, 81, 73, 115, 100, 112, // Protocol ID
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  3, // Protocol version
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  0, // Connect flags
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  0, 30, // Keepalive
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  0, 4, // Client ID length
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  116, 101, 115, 116 // Client ID
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]))
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testParseGenerate('connect MQTT bridge 131', {
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  cmd: 'connect',
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  retain: false,
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  qos: 0,
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  dup: false,
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  length: 18,
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  protocolId: 'MQIsdp',
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  protocolVersion: 3,
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  bridgeMode: true,
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  clean: false,
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  keepalive: 30,
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  clientId: 'test'
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}, Buffer.from([
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  16, 18, // Header
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  0, 6, // Protocol ID length
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  77, 81, 73, 115, 100, 112, // Protocol ID
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  131, // Protocol version
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  0, // Connect flags
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  0, 30, // Keepalive
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  0, 4, // Client ID length
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  116, 101, 115, 116 // Client ID
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]))
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testParseGenerate('connect MQTT bridge 132', {
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  cmd: 'connect',
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  retain: false,
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  qos: 0,
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  dup: false,
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  length: 18,
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  protocolId: 'MQIsdp',
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  protocolVersion: 4,
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  bridgeMode: true,
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  clean: false,
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  keepalive: 30,
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  clientId: 'test'
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}, Buffer.from([
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  16, 18, // Header
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  0, 6, // Protocol ID length
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  77, 81, 73, 115, 100, 112, // Protocol ID
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  132, // Protocol version
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  0, // Connect flags
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  0, 30, // Keepalive
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  0, 4, // Client ID length
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  116, 101, 115, 116 // Client ID
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]))
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testParseGenerate('connect MQTT 5', {
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  cmd: 'connect',
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  retain: false,
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  qos: 0,
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  dup: false,
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  length: 125,
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  protocolId: 'MQTT',
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  protocolVersion: 5,
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  will: {
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    retain: true,
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    qos: 2,
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    properties: {
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      willDelayInterval: 1234,
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      payloadFormatIndicator: false,
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      messageExpiryInterval: 4321,
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      contentType: 'test',
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      responseTopic: 'topic',
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      correlationData: Buffer.from([1, 2, 3, 4]),
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      userProperties: {
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        test: 'test'
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      }
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    },
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    topic: 'topic',
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    payload: Buffer.from([4, 3, 2, 1])
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  },
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  clean: true,
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  keepalive: 30,
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  properties: {
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    sessionExpiryInterval: 1234,
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    receiveMaximum: 432,
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    maximumPacketSize: 100,
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    topicAliasMaximum: 456,
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    requestResponseInformation: true,
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    requestProblemInformation: true,
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    userProperties: {
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      test: 'test'
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    },
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    authenticationMethod: 'test',
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    authenticationData: Buffer.from([1, 2, 3, 4])
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  },
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  clientId: 'test'
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}, Buffer.from([
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  16, 125, // Header
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  0, 4, // Protocol ID length
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  77, 81, 84, 84, // Protocol ID
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						|
  5, // Protocol version
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						|
  54, // Connect flags
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						|
  0, 30, // Keepalive
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						|
  47, // properties length
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						|
  17, 0, 0, 4, 210, // sessionExpiryInterval
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						|
  33, 1, 176, // receiveMaximum
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  39, 0, 0, 0, 100, // maximumPacketSize
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  34, 1, 200, // topicAliasMaximum
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  25, 1, // requestResponseInformation
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  23, 1, // requestProblemInformation,
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  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties,
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  21, 0, 4, 116, 101, 115, 116, // authenticationMethod
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  22, 0, 4, 1, 2, 3, 4, // authenticationData
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  0, 4, // Client ID length
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  116, 101, 115, 116, // Client ID
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  47, // will properties
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  24, 0, 0, 4, 210, // will delay interval
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  1, 0, // payload format indicator
 | 
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  2, 0, 0, 16, 225, // message expiry interval
 | 
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  3, 0, 4, 116, 101, 115, 116, // content type
 | 
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  8, 0, 5, 116, 111, 112, 105, 99, // response topic
 | 
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  9, 0, 4, 1, 2, 3, 4, // corelation data
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  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // user properties
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  0, 5, // Will topic length
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  116, 111, 112, 105, 99, // Will topic
 | 
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  0, 4, // Will payload length
 | 
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  4, 3, 2, 1// Will payload
 | 
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]))
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testParseGenerate('connect MQTT 5 with will properties but with empty will payload', {
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  cmd: 'connect',
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  retain: false,
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  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 121,
 | 
						|
  protocolId: 'MQTT',
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  protocolVersion: 5,
 | 
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  will: {
 | 
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    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    properties: {
 | 
						|
      willDelayInterval: 1234,
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      payloadFormatIndicator: false,
 | 
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      messageExpiryInterval: 4321,
 | 
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      contentType: 'test',
 | 
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      responseTopic: 'topic',
 | 
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      correlationData: Buffer.from([1, 2, 3, 4]),
 | 
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      userProperties: {
 | 
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        test: 'test'
 | 
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      }
 | 
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    },
 | 
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    topic: 'topic',
 | 
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    payload: Buffer.from([])
 | 
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  },
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  clean: true,
 | 
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  keepalive: 30,
 | 
						|
  properties: {
 | 
						|
    sessionExpiryInterval: 1234,
 | 
						|
    receiveMaximum: 432,
 | 
						|
    maximumPacketSize: 100,
 | 
						|
    topicAliasMaximum: 456,
 | 
						|
    requestResponseInformation: true,
 | 
						|
    requestProblemInformation: true,
 | 
						|
    userProperties: {
 | 
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      test: 'test'
 | 
						|
    },
 | 
						|
    authenticationMethod: 'test',
 | 
						|
    authenticationData: Buffer.from([1, 2, 3, 4])
 | 
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  },
 | 
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  clientId: 'test'
 | 
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}, Buffer.from([
 | 
						|
  16, 121, // Header
 | 
						|
  0, 4, // Protocol ID length
 | 
						|
  77, 81, 84, 84, // Protocol ID
 | 
						|
  5, // Protocol version
 | 
						|
  54, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  47, // properties length
 | 
						|
  17, 0, 0, 4, 210, // sessionExpiryInterval
 | 
						|
  33, 1, 176, // receiveMaximum
 | 
						|
  39, 0, 0, 0, 100, // maximumPacketSize
 | 
						|
  34, 1, 200, // topicAliasMaximum
 | 
						|
  25, 1, // requestResponseInformation
 | 
						|
  23, 1, // requestProblemInformation,
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties,
 | 
						|
  21, 0, 4, 116, 101, 115, 116, // authenticationMethod
 | 
						|
  22, 0, 4, 1, 2, 3, 4, // authenticationData
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  47, // will properties
 | 
						|
  24, 0, 0, 4, 210, // will delay interval
 | 
						|
  1, 0, // payload format indicator
 | 
						|
  2, 0, 0, 16, 225, // message expiry interval
 | 
						|
  3, 0, 4, 116, 101, 115, 116, // content type
 | 
						|
  8, 0, 5, 116, 111, 112, 105, 99, // response topic
 | 
						|
  9, 0, 4, 1, 2, 3, 4, // corelation data
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // user properties
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 0 // Will payload length
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('connect MQTT 5 w/o will properties', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 78,
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 5,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: Buffer.from([4, 3, 2, 1])
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  properties: {
 | 
						|
    sessionExpiryInterval: 1234,
 | 
						|
    receiveMaximum: 432,
 | 
						|
    maximumPacketSize: 100,
 | 
						|
    topicAliasMaximum: 456,
 | 
						|
    requestResponseInformation: true,
 | 
						|
    requestProblemInformation: true,
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    },
 | 
						|
    authenticationMethod: 'test',
 | 
						|
    authenticationData: Buffer.from([1, 2, 3, 4])
 | 
						|
  },
 | 
						|
  clientId: 'test'
 | 
						|
}, Buffer.from([
 | 
						|
  16, 78, // Header
 | 
						|
  0, 4, // Protocol ID length
 | 
						|
  77, 81, 84, 84, // Protocol ID
 | 
						|
  5, // Protocol version
 | 
						|
  54, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  47, // properties length
 | 
						|
  17, 0, 0, 4, 210, // sessionExpiryInterval
 | 
						|
  33, 1, 176, // receiveMaximum
 | 
						|
  39, 0, 0, 0, 100, // maximumPacketSize
 | 
						|
  34, 1, 200, // topicAliasMaximum
 | 
						|
  25, 1, // requestResponseInformation
 | 
						|
  23, 1, // requestProblemInformation,
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties,
 | 
						|
  21, 0, 4, 116, 101, 115, 116, // authenticationMethod
 | 
						|
  22, 0, 4, 1, 2, 3, 4, // authenticationData
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, // will properties
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 4, // Will payload length
 | 
						|
  4, 3, 2, 1// Will payload
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('no clientId with 3.1.1', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 12,
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 4,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: ''
 | 
						|
}, Buffer.from([
 | 
						|
  16, 12, // Header
 | 
						|
  0, 4, // Protocol ID length
 | 
						|
  77, 81, 84, 84, // Protocol ID
 | 
						|
  4, // Protocol version
 | 
						|
  2, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 0 // Client ID length
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerateDefaults('no clientId with 5.0', {
 | 
						|
  cmd: 'connect',
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 5,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 60,
 | 
						|
  properties:
 | 
						|
  {
 | 
						|
    receiveMaximum: 20
 | 
						|
  },
 | 
						|
  clientId: ''
 | 
						|
}, Buffer.from(
 | 
						|
  [16, 16, 0, 4, 77, 81, 84, 84, 5, 2, 0, 60, 3, 33, 0, 20, 0, 0]
 | 
						|
), {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 16,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 5,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 60,
 | 
						|
  properties: {
 | 
						|
    receiveMaximum: 20
 | 
						|
  },
 | 
						|
  clientId: ''
 | 
						|
}, { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerateDefaults('utf-8 clientId with 5.0', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 23,
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 4,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'Ŧėśt🜄'
 | 
						|
}, Buffer.from([
 | 
						|
  16, 23, // Header
 | 
						|
  0, 4, // Protocol ID length
 | 
						|
  77, 81, 84, 84, // Protocol ID
 | 
						|
  4, // Protocol version
 | 
						|
  2, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 11, // Client ID length
 | 
						|
  197, 166, // Ŧ (UTF-8: 0xc5a6)
 | 
						|
  196, 151, // ė (UTF-8: 0xc497)
 | 
						|
  197, 155, // ś (utf-8: 0xc59b)
 | 
						|
  116, // t (utf-8: 0x74)
 | 
						|
  240, 159, 156, 132 // 🜄 (utf-8: 0xf09f9c84)
 | 
						|
]), {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 23,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 4,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'Ŧėśt🜄'
 | 
						|
}, { protocol: 5 })
 | 
						|
 | 
						|
testParseGenerateDefaults('default connect', {
 | 
						|
  cmd: 'connect',
 | 
						|
  clientId: 'test'
 | 
						|
}, Buffer.from([
 | 
						|
  16, 16, 0, 4, 77, 81, 84,
 | 
						|
  84, 4, 2, 0, 0,
 | 
						|
  0, 4, 116, 101, 115, 116
 | 
						|
]), {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 16,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 4,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 0,
 | 
						|
  clientId: 'test'
 | 
						|
})
 | 
						|
 | 
						|
testParseAndGenerate('Version 4 CONACK', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  sessionPresent: false,
 | 
						|
  returnCode: 1
 | 
						|
}, Buffer.from([
 | 
						|
  32, 2, // Fixed Header (CONNACK, Remaining Length)
 | 
						|
  0, 1 // Variable Header (Session not present, Connection Refused - unacceptable protocol version)
 | 
						|
]), {}) // Default protocolVersion (4)
 | 
						|
 | 
						|
testParseAndGenerate('Version 5 CONACK', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 3,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  sessionPresent: false,
 | 
						|
  reasonCode: 140
 | 
						|
}, Buffer.from([
 | 
						|
  32, 3, // Fixed Header (CONNACK, Remaining Length)
 | 
						|
  0, 140, // Variable Header (Session not present, Bad authentication method)
 | 
						|
  0 // Property Length Zero
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseOnly('Version 4 CONACK in Version 5 mode', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  sessionPresent: false,
 | 
						|
  reasonCode: 1 // a version 4 return code stored in the version 5 reasonCode because this client is in version 5
 | 
						|
}, Buffer.from([
 | 
						|
  32, 2, // Fixed Header (CONNACK, Remaining Length)
 | 
						|
  0, 1 // Variable Header (Session not present, Connection Refused - unacceptable protocol version)
 | 
						|
]), { protocolVersion: 5 }) // message is in version 4 format, but this client is in version 5 mode
 | 
						|
 | 
						|
testParseOnly('Version 5 PUBACK test 1', {
 | 
						|
  cmd: 'puback',
 | 
						|
  messageId: 42,
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  64, 2, // Fixed Header (PUBACK, Remaining Length)
 | 
						|
  0, 42 // Variable Header (2 Bytes: Packet Identifier 42, Implied Reason code: Success, Implied no properties)
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseAndGenerate('Version 5 PUBACK test 2', {
 | 
						|
  cmd: 'puback',
 | 
						|
  messageId: 42,
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 3,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  64, 3, // Fixed Header (PUBACK, Remaining Length)
 | 
						|
  0, 42, 0 // Variable Header (2 Bytes: Packet Identifier 42, Reason code: 0 Success, Implied no properties)
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseOnly('Version 5 PUBACK test 3', {
 | 
						|
  cmd: 'puback',
 | 
						|
  messageId: 42,
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 4,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  64, 4, // Fixed Header (PUBACK, Remaining Length)
 | 
						|
  0, 42, 0, // Variable Header (2 Bytes: Packet Identifier 42, Reason code: 0 Success)
 | 
						|
  0 // no properties
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseOnly('Version 5 CONNACK test 1', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 1,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  sessionPresent: true,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  32, 1, // Fixed Header (CONNACK, Remaining Length)
 | 
						|
  1 // Variable Header (Session Present: 1 => true, Implied Reason code: Success, Implied no properties)
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseOnly('Version 5 CONNACK test 2', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  sessionPresent: true,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  32, 2, // Fixed Header (CONNACK, Remaining Length)
 | 
						|
  1, 0 // Variable Header (Session Present: 1 => true, Connect Reason code: Success, Implied no properties)
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseAndGenerate('Version 5 CONNACK test 3', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 3,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  sessionPresent: true,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  32, 3, // Fixed Header (CONNACK, Remaining Length)
 | 
						|
  1, 0, // Variable Header (Session Present: 1 => true, Connect Reason code: Success)
 | 
						|
  0 // no properties
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseOnly('Version 5 DISCONNECT test 1', {
 | 
						|
  cmd: 'disconnect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 0,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  224, 0 // Fixed Header (DISCONNECT, Remaining Length), Implied Reason code: Normal Disconnection
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseOnly('Version 5 DISCONNECT test 2', {
 | 
						|
  cmd: 'disconnect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 1,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  224, 1, // Fixed Header (DISCONNECT, Remaining Length)
 | 
						|
  0 // reason Code (Normal disconnection)
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseAndGenerate('Version 5 DISCONNECT test 3', {
 | 
						|
  cmd: 'disconnect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  topic: null,
 | 
						|
  payload: null,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  224, 2, // Fixed Header (DISCONNECT, Remaining Length)
 | 
						|
  0, // reason Code (Normal disconnection)
 | 
						|
  0 // no properties
 | 
						|
]), { protocolVersion: 5 }
 | 
						|
)
 | 
						|
 | 
						|
testParseGenerate('empty will payload', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 47,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: Buffer.alloc(0)
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: Buffer.from('password')
 | 
						|
}, Buffer.from([
 | 
						|
  16, 47, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 0, // Will payload length
 | 
						|
  // Will payload
 | 
						|
  0, 8, // Username length
 | 
						|
  117, 115, 101, 114, 110, 97, 109, 101, // Username
 | 
						|
  0, 8, // Password length
 | 
						|
  112, 97, 115, 115, 119, 111, 114, 100 // Password
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('empty buffer username payload', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 20,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: Buffer.from('')
 | 
						|
}, Buffer.from([
 | 
						|
  16, 20, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  130, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 0 // Username length
 | 
						|
  // Empty Username payload
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('empty string username payload', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 20,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: ''
 | 
						|
}, Buffer.from([
 | 
						|
  16, 20, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  130, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 0 // Username length
 | 
						|
  // Empty Username payload
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('empty buffer password payload', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 30,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: Buffer.from('')
 | 
						|
}, Buffer.from([
 | 
						|
  16, 30, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  194, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 8, // Username length
 | 
						|
  117, 115, 101, 114, 110, 97, 109, 101, // Username payload
 | 
						|
  0, 0 // Password length
 | 
						|
  // Empty password payload
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('empty string password payload', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 30,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: ''
 | 
						|
}, Buffer.from([
 | 
						|
  16, 30, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  194, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 8, // Username length
 | 
						|
  117, 115, 101, 114, 110, 97, 109, 101, // Username payload
 | 
						|
  0, 0 // Password length
 | 
						|
  // Empty password payload
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('empty string username and password payload', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 22,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: '',
 | 
						|
  password: Buffer.from('')
 | 
						|
}, Buffer.from([
 | 
						|
  16, 22, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  194, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 0, // Username length
 | 
						|
  // Empty Username payload
 | 
						|
  0, 0 // Password length
 | 
						|
  // Empty password payload
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('maximal connect', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: Buffer.from('payload')
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: Buffer.from('password')
 | 
						|
}, Buffer.from([
 | 
						|
  16, 54, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 7, // Will payload length
 | 
						|
  112, 97, 121, 108, 111, 97, 100, // Will payload
 | 
						|
  0, 8, // Username length
 | 
						|
  117, 115, 101, 114, 110, 97, 109, 101, // Username
 | 
						|
  0, 8, // Password length
 | 
						|
  112, 97, 115, 115, 119, 111, 114, 100 // Password
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('max connect with special chars', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 57,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'tòpic',
 | 
						|
    payload: Buffer.from('pay£oad')
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'te$t',
 | 
						|
  username: 'u$ern4me',
 | 
						|
  password: Buffer.from('p4$$w0£d')
 | 
						|
}, Buffer.from([
 | 
						|
  16, 57, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 36, 116, // Client ID
 | 
						|
  0, 6, // Will topic length
 | 
						|
  116, 195, 178, 112, 105, 99, // Will topic
 | 
						|
  0, 8, // Will payload length
 | 
						|
  112, 97, 121, 194, 163, 111, 97, 100, // Will payload
 | 
						|
  0, 8, // Username length
 | 
						|
  117, 36, 101, 114, 110, 52, 109, 101, // Username
 | 
						|
  0, 9, // Password length
 | 
						|
  112, 52, 36, 36, 119, 48, 194, 163, 100 // Password
 | 
						|
]))
 | 
						|
 | 
						|
testGenerateOnly('connect all strings generate', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
}, Buffer.from([
 | 
						|
  16, 54, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116, // Client ID
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 7, // Will payload length
 | 
						|
  112, 97, 121, 108, 111, 97, 100, // Will payload
 | 
						|
  0, 8, // Username length
 | 
						|
  117, 115, 101, 114, 110, 97, 109, 101, // Username
 | 
						|
  0, 8, // Password length
 | 
						|
  112, 97, 115, 115, 119, 111, 114, 100 // Password
 | 
						|
]))
 | 
						|
 | 
						|
testParseError('Cannot parse protocolId', Buffer.from([
 | 
						|
  16, 4,
 | 
						|
  0, 6,
 | 
						|
  77, 81
 | 
						|
]))
 | 
						|
 | 
						|
// missing protocol version on connect
 | 
						|
testParseError('Packet too short', Buffer.from([
 | 
						|
  16, 8, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112 // Protocol ID
 | 
						|
]))
 | 
						|
 | 
						|
// missing keepalive on connect
 | 
						|
testParseError('Packet too short', Buffer.from([
 | 
						|
  16, 10, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246 // Connect flags
 | 
						|
]))
 | 
						|
 | 
						|
// missing clientid on connect
 | 
						|
testParseError('Packet too short', Buffer.from([
 | 
						|
  16, 10, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30 // Keepalive
 | 
						|
]))
 | 
						|
 | 
						|
// missing will topic on connect
 | 
						|
testParseError('Cannot parse will topic', Buffer.from([
 | 
						|
  16, 16, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 2, // Will topic length
 | 
						|
  0, 0 // Will topic
 | 
						|
]))
 | 
						|
 | 
						|
// missing will payload on connect
 | 
						|
testParseError('Cannot parse will payload', Buffer.from([
 | 
						|
  16, 23, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 2, // Will payload length
 | 
						|
  0, 0 // Will payload
 | 
						|
]))
 | 
						|
 | 
						|
// missing username on connect
 | 
						|
testParseError('Cannot parse username', Buffer.from([
 | 
						|
  16, 32, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 7, // Will payload length
 | 
						|
  112, 97, 121, 108, 111, 97, 100, // Will payload
 | 
						|
  0, 2, // Username length
 | 
						|
  0, 0 // Username
 | 
						|
]))
 | 
						|
 | 
						|
// missing password on connect
 | 
						|
testParseError('Cannot parse password', Buffer.from([
 | 
						|
  16, 42, // Header
 | 
						|
  0, 6, // Protocol ID length
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  3, // Protocol version
 | 
						|
  246, // Connect flags
 | 
						|
  0, 30, // Keepalive
 | 
						|
  0, 5, // Will topic length
 | 
						|
  116, 111, 112, 105, 99, // Will topic
 | 
						|
  0, 7, // Will payload length
 | 
						|
  112, 97, 121, 108, 111, 97, 100, // Will payload
 | 
						|
  0, 8, // Username length
 | 
						|
  117, 115, 101, 114, 110, 97, 109, 101, // Username
 | 
						|
  0, 2, // Password length
 | 
						|
  0, 0 // Password
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('connack with return code 0', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  sessionPresent: false,
 | 
						|
  returnCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  32, 2, 0, 0
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('connack MQTT 5 with properties', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 87,
 | 
						|
  sessionPresent: false,
 | 
						|
  reasonCode: 0,
 | 
						|
  properties: {
 | 
						|
    sessionExpiryInterval: 1234,
 | 
						|
    receiveMaximum: 432,
 | 
						|
    maximumQoS: 2,
 | 
						|
    retainAvailable: true,
 | 
						|
    maximumPacketSize: 100,
 | 
						|
    assignedClientIdentifier: 'test',
 | 
						|
    topicAliasMaximum: 456,
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    },
 | 
						|
    wildcardSubscriptionAvailable: true,
 | 
						|
    subscriptionIdentifiersAvailable: true,
 | 
						|
    sharedSubscriptionAvailable: false,
 | 
						|
    serverKeepAlive: 1234,
 | 
						|
    responseInformation: 'test',
 | 
						|
    serverReference: 'test',
 | 
						|
    authenticationMethod: 'test',
 | 
						|
    authenticationData: Buffer.from([1, 2, 3, 4])
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  32, 87, 0, 0,
 | 
						|
  84, // properties length
 | 
						|
  17, 0, 0, 4, 210, // sessionExpiryInterval
 | 
						|
  33, 1, 176, // receiveMaximum
 | 
						|
  36, 2, // Maximum qos
 | 
						|
  37, 1, // retainAvailable
 | 
						|
  39, 0, 0, 0, 100, // maximumPacketSize
 | 
						|
  18, 0, 4, 116, 101, 115, 116, // assignedClientIdentifier
 | 
						|
  34, 1, 200, // topicAliasMaximum
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  40, 1, // wildcardSubscriptionAvailable
 | 
						|
  41, 1, // subscriptionIdentifiersAvailable
 | 
						|
  42, 0, // sharedSubscriptionAvailable
 | 
						|
  19, 4, 210, // serverKeepAlive
 | 
						|
  26, 0, 4, 116, 101, 115, 116, // responseInformation
 | 
						|
  28, 0, 4, 116, 101, 115, 116, // serverReference
 | 
						|
  21, 0, 4, 116, 101, 115, 116, // authenticationMethod
 | 
						|
  22, 0, 4, 1, 2, 3, 4 // authenticationData
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('connack MQTT 5 with properties and doubled user properties', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 100,
 | 
						|
  sessionPresent: false,
 | 
						|
  reasonCode: 0,
 | 
						|
  properties: {
 | 
						|
    sessionExpiryInterval: 1234,
 | 
						|
    receiveMaximum: 432,
 | 
						|
    maximumQoS: 2,
 | 
						|
    retainAvailable: true,
 | 
						|
    maximumPacketSize: 100,
 | 
						|
    assignedClientIdentifier: 'test',
 | 
						|
    topicAliasMaximum: 456,
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: ['test', 'test']
 | 
						|
    },
 | 
						|
    wildcardSubscriptionAvailable: true,
 | 
						|
    subscriptionIdentifiersAvailable: true,
 | 
						|
    sharedSubscriptionAvailable: false,
 | 
						|
    serverKeepAlive: 1234,
 | 
						|
    responseInformation: 'test',
 | 
						|
    serverReference: 'test',
 | 
						|
    authenticationMethod: 'test',
 | 
						|
    authenticationData: Buffer.from([1, 2, 3, 4])
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  32, 100, 0, 0,
 | 
						|
  97, // properties length
 | 
						|
  17, 0, 0, 4, 210, // sessionExpiryInterval
 | 
						|
  33, 1, 176, // receiveMaximum
 | 
						|
  36, 2, // Maximum qos
 | 
						|
  37, 1, // retainAvailable
 | 
						|
  39, 0, 0, 0, 100, // maximumPacketSize
 | 
						|
  18, 0, 4, 116, 101, 115, 116, // assignedClientIdentifier
 | 
						|
  34, 1, 200, // topicAliasMaximum
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116,
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  40, 1, // wildcardSubscriptionAvailable
 | 
						|
  41, 1, // subscriptionIdentifiersAvailable
 | 
						|
  42, 0, // sharedSubscriptionAvailable
 | 
						|
  19, 4, 210, // serverKeepAlive
 | 
						|
  26, 0, 4, 116, 101, 115, 116, // responseInformation
 | 
						|
  28, 0, 4, 116, 101, 115, 116, // serverReference
 | 
						|
  21, 0, 4, 116, 101, 115, 116, // authenticationMethod
 | 
						|
  22, 0, 4, 1, 2, 3, 4 // authenticationData
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('connack with return code 0 session present bit set', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  sessionPresent: true,
 | 
						|
  returnCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  32, 2, 1, 0
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('connack with return code 5', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  sessionPresent: false,
 | 
						|
  returnCode: 5
 | 
						|
}, Buffer.from([
 | 
						|
  32, 2, 0, 5
 | 
						|
]))
 | 
						|
 | 
						|
testGenerateError('Invalid return code', {
 | 
						|
  cmd: 'connack',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  sessionPresent: false,
 | 
						|
  returnCode: '5' // returncode must be a number
 | 
						|
})
 | 
						|
 | 
						|
testParseGenerate('minimal publish', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 10,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test')
 | 
						|
}, Buffer.from([
 | 
						|
  48, 10, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  116, 101, 115, 116 // Payload (test)
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('publish MQTT 5 properties', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 86,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: true,
 | 
						|
    messageExpiryInterval: 4321,
 | 
						|
    topicAlias: 100,
 | 
						|
    responseTopic: 'topic',
 | 
						|
    correlationData: Buffer.from([1, 2, 3, 4]),
 | 
						|
    userProperties: {
 | 
						|
      test: ['test', 'test', 'test']
 | 
						|
    },
 | 
						|
    subscriptionIdentifier: 120,
 | 
						|
    contentType: 'test'
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  61, 86, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0, 10, // Message ID
 | 
						|
  73, // properties length
 | 
						|
  1, 1, // payloadFormatIndicator
 | 
						|
  2, 0, 0, 16, 225, // message expiry interval
 | 
						|
  35, 0, 100, // topicAlias
 | 
						|
  8, 0, 5, 116, 111, 112, 105, 99, // response topic
 | 
						|
  9, 0, 4, 1, 2, 3, 4, // correlationData
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  11, 120, // subscriptionIdentifier
 | 
						|
  3, 0, 4, 116, 101, 115, 116, // content type
 | 
						|
  116, 101, 115, 116 // Payload (test)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('publish MQTT 5 with multiple same properties', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 64,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: true,
 | 
						|
    messageExpiryInterval: 4321,
 | 
						|
    topicAlias: 100,
 | 
						|
    responseTopic: 'topic',
 | 
						|
    correlationData: Buffer.from([1, 2, 3, 4]),
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    },
 | 
						|
    subscriptionIdentifier: [120, 121, 122],
 | 
						|
    contentType: 'test'
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  61, 64, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0, 10, // Message ID
 | 
						|
  51, // properties length
 | 
						|
  1, 1, // payloadFormatIndicator
 | 
						|
  2, 0, 0, 16, 225, // message expiry interval
 | 
						|
  35, 0, 100, // topicAlias
 | 
						|
  8, 0, 5, 116, 111, 112, 105, 99, // response topic
 | 
						|
  9, 0, 4, 1, 2, 3, 4, // correlationData
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  11, 120, // subscriptionIdentifier
 | 
						|
  11, 121, // subscriptionIdentifier
 | 
						|
  11, 122, // subscriptionIdentifier
 | 
						|
  3, 0, 4, 116, 101, 115, 116, // content type
 | 
						|
  116, 101, 115, 116 // Payload (test)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('publish MQTT 5 properties with 0-4 byte varbyte', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 27,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: false,
 | 
						|
    subscriptionIdentifier: [128, 16384, 2097152] // this tests the varbyte handling
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  61, 27, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0, 10, // Message ID
 | 
						|
  14, // properties length
 | 
						|
  1, 0, // payloadFormatIndicator
 | 
						|
  11, 128, 1, // subscriptionIdentifier
 | 
						|
  11, 128, 128, 1, // subscriptionIdentifier
 | 
						|
  11, 128, 128, 128, 1, // subscriptionIdentifier
 | 
						|
  116, 101, 115, 116 // Payload (test)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('publish MQTT 5 properties with max value varbyte', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 22,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: false,
 | 
						|
    subscriptionIdentifier: [1, 268435455]
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  61, 22, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0, 10, // Message ID
 | 
						|
  9, // properties length
 | 
						|
  1, 0, // payloadFormatIndicator
 | 
						|
  11, 1, // subscriptionIdentifier
 | 
						|
  11, 255, 255, 255, 127, // subscriptionIdentifier (max value)
 | 
						|
  116, 101, 115, 116 // Payload (test)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
; (() => {
 | 
						|
  const buffer = Buffer.alloc(2048)
 | 
						|
  testParseGenerate('2KB publish packet', {
 | 
						|
    cmd: 'publish',
 | 
						|
    retain: false,
 | 
						|
    qos: 0,
 | 
						|
    dup: false,
 | 
						|
    length: 2054,
 | 
						|
    topic: 'test',
 | 
						|
    payload: buffer
 | 
						|
  }, Buffer.concat([Buffer.from([
 | 
						|
    48, 134, 16, // Header
 | 
						|
    0, 4, // Topic length
 | 
						|
    116, 101, 115, 116 // Topic (test)
 | 
						|
  ]), buffer]))
 | 
						|
})()
 | 
						|
 | 
						|
; (() => {
 | 
						|
  const maxLength = 268435455
 | 
						|
  const buffer = Buffer.alloc(maxLength - 6)
 | 
						|
  testParseGenerate('Max payload publish packet', {
 | 
						|
    cmd: 'publish',
 | 
						|
    retain: false,
 | 
						|
    qos: 0,
 | 
						|
    dup: false,
 | 
						|
    length: maxLength,
 | 
						|
    topic: 'test',
 | 
						|
    payload: buffer
 | 
						|
  }, Buffer.concat([Buffer.from([
 | 
						|
    48, 255, 255, 255, 127, // Header
 | 
						|
    0, 4, // Topic length
 | 
						|
    116, 101, 115, 116 // Topic (test)
 | 
						|
  ]), buffer]))
 | 
						|
})()
 | 
						|
 | 
						|
testParseGenerate('maximal publish', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  length: 12,
 | 
						|
  dup: true,
 | 
						|
  topic: 'test',
 | 
						|
  messageId: 10,
 | 
						|
  payload: Buffer.from('test')
 | 
						|
}, Buffer.from([
 | 
						|
  61, 12, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116, // Topic
 | 
						|
  0, 10, // Message ID
 | 
						|
  116, 101, 115, 116 // Payload
 | 
						|
]))
 | 
						|
 | 
						|
test('publish all strings generate', t => {
 | 
						|
  const message = {
 | 
						|
    cmd: 'publish',
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    length: 12,
 | 
						|
    dup: true,
 | 
						|
    topic: 'test',
 | 
						|
    messageId: 10,
 | 
						|
    payload: Buffer.from('test')
 | 
						|
  }
 | 
						|
  const expected = Buffer.from([
 | 
						|
    61, 12, // Header
 | 
						|
    0, 4, // Topic length
 | 
						|
    116, 101, 115, 116, // Topic
 | 
						|
    0, 10, // Message ID
 | 
						|
    116, 101, 115, 116 // Payload
 | 
						|
  ])
 | 
						|
 | 
						|
  t.equal(mqtt.generate(message).toString('hex'), expected.toString('hex'))
 | 
						|
  t.end()
 | 
						|
})
 | 
						|
 | 
						|
testParseGenerate('empty publish', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 6,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.alloc(0)
 | 
						|
}, Buffer.from([
 | 
						|
  48, 6, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116 // Topic
 | 
						|
  // Empty payload
 | 
						|
]))
 | 
						|
 | 
						|
test('splitted publish parse', t => {
 | 
						|
  t.plan(3)
 | 
						|
 | 
						|
  const parser = mqtt.parser()
 | 
						|
  const expected = {
 | 
						|
    cmd: 'publish',
 | 
						|
    retain: false,
 | 
						|
    qos: 0,
 | 
						|
    dup: false,
 | 
						|
    length: 10,
 | 
						|
    topic: 'test',
 | 
						|
    payload: Buffer.from('test')
 | 
						|
  }
 | 
						|
 | 
						|
  parser.on('packet', packet => {
 | 
						|
    t.deepLooseEqual(packet, expected, 'expected packet')
 | 
						|
  })
 | 
						|
 | 
						|
  t.equal(parser.parse(Buffer.from([
 | 
						|
    48, 10, // Header
 | 
						|
    0, 4, // Topic length
 | 
						|
    116, 101, 115, 116 // Topic (test)
 | 
						|
  ])), 6, 'remaining bytes')
 | 
						|
 | 
						|
  t.equal(parser.parse(Buffer.from([
 | 
						|
    116, 101, 115, 116 // Payload (test)
 | 
						|
  ])), 0, 'remaining bytes')
 | 
						|
})
 | 
						|
 | 
						|
test('split publish longer', t => {
 | 
						|
  t.plan(3)
 | 
						|
 | 
						|
  const length = 255
 | 
						|
  const topic = 'test'
 | 
						|
  // Minus two bytes for the topic length specifier
 | 
						|
  const payloadLength = length - topic.length - 2
 | 
						|
 | 
						|
  const parser = mqtt.parser()
 | 
						|
  const expected = {
 | 
						|
    cmd: 'publish',
 | 
						|
    retain: false,
 | 
						|
    qos: 0,
 | 
						|
    dup: false,
 | 
						|
    length: length,
 | 
						|
    topic: topic,
 | 
						|
    payload: Buffer.from('a'.repeat(payloadLength))
 | 
						|
  }
 | 
						|
 | 
						|
  parser.on('packet', packet => {
 | 
						|
    t.deepLooseEqual(packet, expected, 'expected packet')
 | 
						|
  })
 | 
						|
 | 
						|
  t.equal(parser.parse(Buffer.from([
 | 
						|
    48, 255, 1, // Header
 | 
						|
    0, topic.length, // Topic length
 | 
						|
    116, 101, 115, 116 // Topic (test)
 | 
						|
  ])), 6, 'remaining bytes')
 | 
						|
 | 
						|
  t.equal(parser.parse(Buffer.from(Array(payloadLength).fill(97))),
 | 
						|
    0, 'remaining bytes')
 | 
						|
})
 | 
						|
 | 
						|
test('split length parse', t => {
 | 
						|
  t.plan(4)
 | 
						|
 | 
						|
  const length = 255
 | 
						|
  const topic = 'test'
 | 
						|
  const payloadLength = length - topic.length - 2
 | 
						|
 | 
						|
  const parser = mqtt.parser()
 | 
						|
  const expected = {
 | 
						|
    cmd: 'publish',
 | 
						|
    retain: false,
 | 
						|
    qos: 0,
 | 
						|
    dup: false,
 | 
						|
    length: length,
 | 
						|
    topic: topic,
 | 
						|
    payload: Buffer.from('a'.repeat(payloadLength))
 | 
						|
  }
 | 
						|
 | 
						|
  parser.on('packet', packet => {
 | 
						|
    t.deepLooseEqual(packet, expected, 'expected packet')
 | 
						|
  })
 | 
						|
 | 
						|
  t.equal(parser.parse(Buffer.from([
 | 
						|
    48, 255 // Header (partial length)
 | 
						|
  ])), 1, 'remaining bytes')
 | 
						|
 | 
						|
  t.equal(parser.parse(Buffer.from([
 | 
						|
    1, // Rest of header length
 | 
						|
    0, topic.length, // Topic length
 | 
						|
    116, 101, 115, 116 // Topic (test)
 | 
						|
  ])), 6, 'remaining bytes')
 | 
						|
 | 
						|
  t.equal(parser.parse(Buffer.from(Array(payloadLength).fill(97))),
 | 
						|
    0, 'remaining bytes')
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid variable byte integer: 268435456', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: (268435455 + 1),
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.alloc(268435455 + 1 - 6)
 | 
						|
}, {}, 'Length var byte integer over max allowed value throws error')
 | 
						|
 | 
						|
testGenerateError('Invalid subscriptionIdentifier: 268435456', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 27,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: false,
 | 
						|
    subscriptionIdentifier: 268435456
 | 
						|
  }
 | 
						|
}, { protocolVersion: 5 }, 'MQTT 5.0 var byte integer >24 bits throws error')
 | 
						|
 | 
						|
testParseGenerate('puback', {
 | 
						|
  cmd: 'puback',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  messageId: 2
 | 
						|
}, Buffer.from([
 | 
						|
  64, 2, // Header
 | 
						|
  0, 2 // Message ID
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('puback with reason and no MQTT 5 properties', {
 | 
						|
  cmd: 'puback',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 3,
 | 
						|
  messageId: 2,
 | 
						|
  reasonCode: 16
 | 
						|
}, Buffer.from([
 | 
						|
  64, 3, // Header
 | 
						|
  0, 2, // Message ID
 | 
						|
  16 // reason code
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('puback MQTT 5 properties', {
 | 
						|
  cmd: 'puback',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 24,
 | 
						|
  messageId: 2,
 | 
						|
  reasonCode: 16,
 | 
						|
  properties: {
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  64, 24, // Header
 | 
						|
  0, 2, // Message ID
 | 
						|
  16, // reason code
 | 
						|
  20, // properties length
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116 // userProperties
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('pubrec', {
 | 
						|
  cmd: 'pubrec',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  messageId: 2
 | 
						|
}, Buffer.from([
 | 
						|
  80, 2, // Header
 | 
						|
  0, 2 // Message ID
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('pubrec MQTT 5 properties', {
 | 
						|
  cmd: 'pubrec',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 24,
 | 
						|
  messageId: 2,
 | 
						|
  reasonCode: 16,
 | 
						|
  properties: {
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  80, 24, // Header
 | 
						|
  0, 2, // Message ID
 | 
						|
  16, // reason code
 | 
						|
  20, // properties length
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116 // userProperties
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('pubrel', {
 | 
						|
  cmd: 'pubrel',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  messageId: 2
 | 
						|
}, Buffer.from([
 | 
						|
  98, 2, // Header
 | 
						|
  0, 2 // Message ID
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('pubrel MQTT5 properties', {
 | 
						|
  cmd: 'pubrel',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 24,
 | 
						|
  messageId: 2,
 | 
						|
  reasonCode: 16,
 | 
						|
  properties: {
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  98, 24, // Header
 | 
						|
  0, 2, // Message ID
 | 
						|
  16, // reason code
 | 
						|
  20, // properties length
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116 // userProperties
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('pubcomp', {
 | 
						|
  cmd: 'pubcomp',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  messageId: 2
 | 
						|
}, Buffer.from([
 | 
						|
  112, 2, // Header
 | 
						|
  0, 2 // Message ID
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('pubcomp MQTT 5 properties', {
 | 
						|
  cmd: 'pubcomp',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 24,
 | 
						|
  messageId: 2,
 | 
						|
  reasonCode: 16,
 | 
						|
  properties: {
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  112, 24, // Header
 | 
						|
  0, 2, // Message ID
 | 
						|
  16, // reason code
 | 
						|
  20, // properties length
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116 // userProperties
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseError('Wrong subscribe header', Buffer.from([
 | 
						|
  128, 9, // Header (subscribeqos=0length=9)
 | 
						|
  0, 6, // Message ID (6)
 | 
						|
  0, 4, // Topic length,
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0 // Qos (0)
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('subscribe to one topic', {
 | 
						|
  cmd: 'subscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 9,
 | 
						|
  subscriptions: [
 | 
						|
    {
 | 
						|
      topic: 'test',
 | 
						|
      qos: 0
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  messageId: 6
 | 
						|
}, Buffer.from([
 | 
						|
  130, 9, // Header (subscribeqos=1length=9)
 | 
						|
  0, 6, // Message ID (6)
 | 
						|
  0, 4, // Topic length,
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0 // Qos (0)
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('subscribe to one topic by MQTT 5', {
 | 
						|
  cmd: 'subscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 26,
 | 
						|
  subscriptions: [
 | 
						|
    {
 | 
						|
      topic: 'test',
 | 
						|
      qos: 0,
 | 
						|
      nl: false,
 | 
						|
      rap: true,
 | 
						|
      rh: 1
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  messageId: 6,
 | 
						|
  properties: {
 | 
						|
    subscriptionIdentifier: 145,
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  130, 26, // Header (subscribeqos=1length=9)
 | 
						|
  0, 6, // Message ID (6)
 | 
						|
  16, // properties length
 | 
						|
  11, 145, 1, // subscriptionIdentifier
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  0, 4, // Topic length,
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  24 // settings(qos: 0, noLocal: false, Retain as Published: true, retain handling: 1)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('subscribe to three topics', {
 | 
						|
  cmd: 'subscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 23,
 | 
						|
  subscriptions: [
 | 
						|
    {
 | 
						|
      topic: 'test',
 | 
						|
      qos: 0
 | 
						|
    }, {
 | 
						|
      topic: 'uest',
 | 
						|
      qos: 1
 | 
						|
    }, {
 | 
						|
      topic: 'tfst',
 | 
						|
      qos: 2
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  messageId: 6
 | 
						|
}, Buffer.from([
 | 
						|
  130, 23, // Header (publishqos=1length=9)
 | 
						|
  0, 6, // Message ID (6)
 | 
						|
  0, 4, // Topic length,
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0, // Qos (0)
 | 
						|
  0, 4, // Topic length
 | 
						|
  117, 101, 115, 116, // Topic (uest)
 | 
						|
  1, // Qos (1)
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 102, 115, 116, // Topic (tfst)
 | 
						|
  2 // Qos (2)
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('subscribe to 3 topics by MQTT 5', {
 | 
						|
  cmd: 'subscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 40,
 | 
						|
  subscriptions: [
 | 
						|
    {
 | 
						|
      topic: 'test',
 | 
						|
      qos: 0,
 | 
						|
      nl: false,
 | 
						|
      rap: true,
 | 
						|
      rh: 1
 | 
						|
    },
 | 
						|
    {
 | 
						|
      topic: 'uest',
 | 
						|
      qos: 1,
 | 
						|
      nl: false,
 | 
						|
      rap: false,
 | 
						|
      rh: 0
 | 
						|
    }, {
 | 
						|
      topic: 'tfst',
 | 
						|
      qos: 2,
 | 
						|
      nl: true,
 | 
						|
      rap: false,
 | 
						|
      rh: 0
 | 
						|
    }
 | 
						|
  ],
 | 
						|
  messageId: 6,
 | 
						|
  properties: {
 | 
						|
    subscriptionIdentifier: 145,
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  130, 40, // Header (subscribeqos=1length=9)
 | 
						|
  0, 6, // Message ID (6)
 | 
						|
  16, // properties length
 | 
						|
  11, 145, 1, // subscriptionIdentifier
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  0, 4, // Topic length,
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  24, // settings(qos: 0, noLocal: false, Retain as Published: true, retain handling: 1)
 | 
						|
  0, 4, // Topic length
 | 
						|
  117, 101, 115, 116, // Topic (uest)
 | 
						|
  1, // Qos (1)
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 102, 115, 116, // Topic (tfst)
 | 
						|
  6 // Qos (2), No Local: true
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('suback', {
 | 
						|
  cmd: 'suback',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 6,
 | 
						|
  granted: [0, 1, 2, 128],
 | 
						|
  messageId: 6
 | 
						|
}, Buffer.from([
 | 
						|
  144, 6, // Header
 | 
						|
  0, 6, // Message ID
 | 
						|
  0, 1, 2, 128 // Granted qos (0, 1, 2) and a rejected being 0x80
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('suback MQTT 5', {
 | 
						|
  cmd: 'suback',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 27,
 | 
						|
  granted: [0, 1, 2, 128],
 | 
						|
  messageId: 6,
 | 
						|
  properties: {
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  144, 27, // Header
 | 
						|
  0, 6, // Message ID
 | 
						|
  20, // properties length
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  0, 1, 2, 128 // Granted qos (0, 1, 2) and a rejected being 0x80
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('unsubscribe', {
 | 
						|
  cmd: 'unsubscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 14,
 | 
						|
  unsubscriptions: [
 | 
						|
    'tfst',
 | 
						|
    'test'
 | 
						|
  ],
 | 
						|
  messageId: 7
 | 
						|
}, Buffer.from([
 | 
						|
  162, 14,
 | 
						|
  0, 7, // Message ID (7)
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 102, 115, 116, // Topic (tfst)
 | 
						|
  0, 4, // Topic length,
 | 
						|
  116, 101, 115, 116 // Topic (test)
 | 
						|
]))
 | 
						|
 | 
						|
testGenerateError('Invalid unsubscriptions', {
 | 
						|
  cmd: 'unsubscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: true,
 | 
						|
  length: 5,
 | 
						|
  unsubscriptions: 5,
 | 
						|
  messageId: 7
 | 
						|
}, {}, 'unsubscribe with unsubscriptions not an array')
 | 
						|
 | 
						|
testGenerateError('Invalid unsubscriptions', {
 | 
						|
  cmd: 'unsubscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: true,
 | 
						|
  length: 5,
 | 
						|
  unsubscriptions: [1, 2],
 | 
						|
  messageId: 7
 | 
						|
}, {}, 'unsubscribe with unsubscriptions as an object')
 | 
						|
 | 
						|
testParseGenerate('unsubscribe MQTT 5', {
 | 
						|
  cmd: 'unsubscribe',
 | 
						|
  retain: false,
 | 
						|
  qos: 1,
 | 
						|
  dup: false,
 | 
						|
  length: 28,
 | 
						|
  unsubscriptions: [
 | 
						|
    'tfst',
 | 
						|
    'test'
 | 
						|
  ],
 | 
						|
  messageId: 7,
 | 
						|
  properties: {
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  162, 28,
 | 
						|
  0, 7, // Message ID (7)
 | 
						|
  13, // properties length
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 102, 115, 116, // Topic (tfst)
 | 
						|
  0, 4, // Topic length,
 | 
						|
  116, 101, 115, 116 // Topic (test)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('unsuback', {
 | 
						|
  cmd: 'unsuback',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  messageId: 8
 | 
						|
}, Buffer.from([
 | 
						|
  176, 2, // Header
 | 
						|
  0, 8 // Message ID
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('unsuback MQTT 5', {
 | 
						|
  cmd: 'unsuback',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 25,
 | 
						|
  messageId: 8,
 | 
						|
  properties: {
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  },
 | 
						|
  granted: [0, 128]
 | 
						|
}, Buffer.from([
 | 
						|
  176, 25, // Header
 | 
						|
  0, 8, // Message ID
 | 
						|
  20, // properties length
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  0, 128 // success and error
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('pingreq', {
 | 
						|
  cmd: 'pingreq',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 0
 | 
						|
}, Buffer.from([
 | 
						|
  192, 0 // Header
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('pingresp', {
 | 
						|
  cmd: 'pingresp',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 0
 | 
						|
}, Buffer.from([
 | 
						|
  208, 0 // Header
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('disconnect', {
 | 
						|
  cmd: 'disconnect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 0
 | 
						|
}, Buffer.from([
 | 
						|
  224, 0 // Header
 | 
						|
]))
 | 
						|
 | 
						|
testParseGenerate('disconnect MQTT 5', {
 | 
						|
  cmd: 'disconnect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 34,
 | 
						|
  reasonCode: 0,
 | 
						|
  properties: {
 | 
						|
    sessionExpiryInterval: 145,
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    },
 | 
						|
    serverReference: 'test'
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  224, 34, // Header
 | 
						|
  0, // reason code
 | 
						|
  32, // properties length
 | 
						|
  17, 0, 0, 0, 145, // sessionExpiryInterval
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  28, 0, 4, 116, 101, 115, 116// serverReference
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('disconnect MQTT 5 with no properties', {
 | 
						|
  cmd: 'disconnect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 2,
 | 
						|
  reasonCode: 0
 | 
						|
}, Buffer.from([
 | 
						|
  224, 2, // Fixed Header (DISCONNECT, Remaining Length)
 | 
						|
  0, // Reason Code (Normal Disconnection)
 | 
						|
  0 // Property Length (0 => No Properties)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseGenerate('auth MQTT 5', {
 | 
						|
  cmd: 'auth',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 36,
 | 
						|
  reasonCode: 0,
 | 
						|
  properties: {
 | 
						|
    authenticationMethod: 'test',
 | 
						|
    authenticationData: Buffer.from([0, 1, 2, 3]),
 | 
						|
    reasonString: 'test',
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    }
 | 
						|
  }
 | 
						|
}, Buffer.from([
 | 
						|
  240, 36, // Header
 | 
						|
  0, // reason code
 | 
						|
  34, // properties length
 | 
						|
  21, 0, 4, 116, 101, 115, 116, // auth method
 | 
						|
  22, 0, 4, 0, 1, 2, 3, // auth data
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116 // userProperties
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testGenerateError('Invalid protocolId', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 42,
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid protocol version', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 1,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('clientId must be supplied before 3.1.1', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('clientId must be given if cleanSession set to 0', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQTT',
 | 
						|
  protocolVersion: 4,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: false,
 | 
						|
  keepalive: 30,
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid keepalive', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 'hello',
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid keepalive', {
 | 
						|
  cmd: 'connect',
 | 
						|
  keepalive: 3.1416
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid will', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: 42,
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid will topic', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid will payload', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 42
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid username', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 42,
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid password', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  username: 'username',
 | 
						|
  password: 42
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Username is required to use password', {
 | 
						|
  cmd: 'connect',
 | 
						|
  retain: false,
 | 
						|
  qos: 0,
 | 
						|
  dup: false,
 | 
						|
  length: 54,
 | 
						|
  protocolId: 'MQIsdp',
 | 
						|
  protocolVersion: 3,
 | 
						|
  will: {
 | 
						|
    retain: true,
 | 
						|
    qos: 2,
 | 
						|
    topic: 'topic',
 | 
						|
    payload: 'payload'
 | 
						|
  },
 | 
						|
  clean: true,
 | 
						|
  keepalive: 30,
 | 
						|
  clientId: 'test',
 | 
						|
  password: 'password'
 | 
						|
})
 | 
						|
 | 
						|
testGenerateError('Invalid messageExpiryInterval: -4321', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 60,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: true,
 | 
						|
    messageExpiryInterval: -4321,
 | 
						|
    topicAlias: 100,
 | 
						|
    responseTopic: 'topic',
 | 
						|
    correlationData: Buffer.from([1, 2, 3, 4]),
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    },
 | 
						|
    subscriptionIdentifier: 120,
 | 
						|
    contentType: 'test'
 | 
						|
  }
 | 
						|
}, { protocolVersion: 5 })
 | 
						|
 | 
						|
testGenerateError('Invalid topicAlias: -100', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 60,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: true,
 | 
						|
    messageExpiryInterval: 4321,
 | 
						|
    topicAlias: -100,
 | 
						|
    responseTopic: 'topic',
 | 
						|
    correlationData: Buffer.from([1, 2, 3, 4]),
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    },
 | 
						|
    subscriptionIdentifier: 120,
 | 
						|
    contentType: 'test'
 | 
						|
  }
 | 
						|
}, { protocolVersion: 5 })
 | 
						|
 | 
						|
testGenerateError('Invalid subscriptionIdentifier: -120', {
 | 
						|
  cmd: 'publish',
 | 
						|
  retain: true,
 | 
						|
  qos: 2,
 | 
						|
  dup: true,
 | 
						|
  length: 60,
 | 
						|
  topic: 'test',
 | 
						|
  payload: Buffer.from('test'),
 | 
						|
  messageId: 10,
 | 
						|
  properties: {
 | 
						|
    payloadFormatIndicator: true,
 | 
						|
    messageExpiryInterval: 4321,
 | 
						|
    topicAlias: 100,
 | 
						|
    responseTopic: 'topic',
 | 
						|
    correlationData: Buffer.from([1, 2, 3, 4]),
 | 
						|
    userProperties: {
 | 
						|
      test: 'test'
 | 
						|
    },
 | 
						|
    subscriptionIdentifier: -120,
 | 
						|
    contentType: 'test'
 | 
						|
  }
 | 
						|
}, { protocolVersion: 5 })
 | 
						|
 | 
						|
test('support cork', t => {
 | 
						|
  t.plan(9)
 | 
						|
 | 
						|
  const dest = WS()
 | 
						|
 | 
						|
  dest._write = (chunk, enc, cb) => {
 | 
						|
    t.pass('_write called')
 | 
						|
    cb()
 | 
						|
  }
 | 
						|
 | 
						|
  mqtt.writeToStream({
 | 
						|
    cmd: 'connect',
 | 
						|
    retain: false,
 | 
						|
    qos: 0,
 | 
						|
    dup: false,
 | 
						|
    length: 18,
 | 
						|
    protocolId: 'MQIsdp',
 | 
						|
    protocolVersion: 3,
 | 
						|
    clean: false,
 | 
						|
    keepalive: 30,
 | 
						|
    clientId: 'test'
 | 
						|
  }, dest)
 | 
						|
 | 
						|
  dest.end()
 | 
						|
})
 | 
						|
 | 
						|
// The following test case was designed after experiencing errors
 | 
						|
// when trying to connect with tls on a non tls mqtt port
 | 
						|
// the specific behaviour is:
 | 
						|
// - first byte suggests this is a connect message
 | 
						|
// - second byte suggests message length to be smaller than buffer length
 | 
						|
//   thus payload processing starts
 | 
						|
// - the first two bytes suggest a protocol identifier string length
 | 
						|
//   that leads the parser pointer close to the end of the buffer
 | 
						|
// - when trying to read further connect flags the buffer produces
 | 
						|
//   a "out of range" Error
 | 
						|
//
 | 
						|
testParseError('Packet too short', Buffer.from([
 | 
						|
  16, 9,
 | 
						|
  0, 6,
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  3
 | 
						|
]))
 | 
						|
 | 
						|
// CONNECT Packets that show other protocol IDs than
 | 
						|
// the valid values MQTT and MQIsdp should cause an error
 | 
						|
// those packets are a hint that this is not a mqtt connection
 | 
						|
testParseError('Invalid protocolId', Buffer.from([
 | 
						|
  16, 18,
 | 
						|
  0, 6,
 | 
						|
  65, 65, 65, 65, 65, 65, // AAAAAA
 | 
						|
  3, // Protocol version
 | 
						|
  0, // Connect flags
 | 
						|
  0, 10, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116 // Client ID
 | 
						|
]))
 | 
						|
 | 
						|
// CONNECT Packets that contain an unsupported protocol version
 | 
						|
// Flag (i.e. not `3` or `4` or '5') should cause an error
 | 
						|
testParseError('Invalid protocol version', Buffer.from([
 | 
						|
  16, 18,
 | 
						|
  0, 6,
 | 
						|
  77, 81, 73, 115, 100, 112, // Protocol ID
 | 
						|
  1, // Protocol version
 | 
						|
  0, // Connect flags
 | 
						|
  0, 10, // Keepalive
 | 
						|
  0, 4, // Client ID length
 | 
						|
  116, 101, 115, 116 // Client ID
 | 
						|
]))
 | 
						|
 | 
						|
// When a packet contains a string in the variable header and the
 | 
						|
// given string length of this exceeds the overall length of the packet that
 | 
						|
// was specified in the fixed header, parsing must fail.
 | 
						|
// this case simulates this behavior with the protocol ID string of the
 | 
						|
// CONNECT packet. The fixed header suggests a remaining length of 8 bytes
 | 
						|
// which would be exceeded by the string length of 15
 | 
						|
// in this case, a protocol ID parse error is expected
 | 
						|
testParseError('Cannot parse protocolId', Buffer.from([
 | 
						|
  16, 8, // Fixed header
 | 
						|
  0, 15, // string length 15 --> 15 > 8 --> error!
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  77, 81, 73, 115, 100, 112,
 | 
						|
  77, 81, 73, 115, 100, 112
 | 
						|
]))
 | 
						|
 | 
						|
testParseError('Unknown property', Buffer.from([
 | 
						|
  61, 60, // Header
 | 
						|
  0, 4, // Topic length
 | 
						|
  116, 101, 115, 116, // Topic (test)
 | 
						|
  0, 10, // Message ID
 | 
						|
  47, // properties length
 | 
						|
  126, 1, // unknown property
 | 
						|
  2, 0, 0, 16, 225, // message expiry interval
 | 
						|
  35, 0, 100, // topicAlias
 | 
						|
  8, 0, 5, 116, 111, 112, 105, 99, // response topic
 | 
						|
  9, 0, 4, 1, 2, 3, 4, // correlationData
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116, // userProperties
 | 
						|
  11, 120, // subscriptionIdentifier
 | 
						|
  3, 0, 4, 116, 101, 115, 116, // content type
 | 
						|
  116, 101, 115, 116 // Payload (test)
 | 
						|
]), { protocolVersion: 5 })
 | 
						|
 | 
						|
testParseError('Not supported auth packet for this version MQTT', Buffer.from([
 | 
						|
  240, 36, // Header
 | 
						|
  0, // reason code
 | 
						|
  34, // properties length
 | 
						|
  21, 0, 4, 116, 101, 115, 116, // auth method
 | 
						|
  22, 0, 4, 0, 1, 2, 3, // auth data
 | 
						|
  31, 0, 4, 116, 101, 115, 116, // reasonString
 | 
						|
  38, 0, 4, 116, 101, 115, 116, 0, 4, 116, 101, 115, 116 // userProperties
 | 
						|
]))
 | 
						|
 | 
						|
// When a Subscribe packet contains a topic_filter and the given
 | 
						|
// length is topic_filter.length + 1 then the last byte (requested QoS) is interpreted as topic_filter
 | 
						|
// reading the requested_qos at the end causes 'Index out of range' read
 | 
						|
testParseError('Malformed Subscribe Payload', Buffer.from([
 | 
						|
  130, 14, // subscribe header and remaining length
 | 
						|
  0, 123, // packet ID
 | 
						|
  0, 10, // topic filter length
 | 
						|
  104, 105, 106, 107, 108, 47, 109, 110, 111, // topic filter with length of 9 bytes
 | 
						|
  0 // requested QoS
 | 
						|
]))
 | 
						|
 | 
						|
test('Cannot parse property code type', t => {
 | 
						|
  const packets = Buffer.from([
 | 
						|
    16, 16, 0, 4, 77, 81, 84, 84, 5, 2, 0, 60, 3, 33, 0, 20, 0, 0, 98, 2, 211, 1, 224, 2, 0, 32
 | 
						|
  ])
 | 
						|
 | 
						|
  t.plan(3)
 | 
						|
 | 
						|
  const parser = mqtt.parser()
 | 
						|
 | 
						|
  parser.on('error', err => {
 | 
						|
    t.equal(err.message, 'Cannot parse property code type', 'expected error message')
 | 
						|
    t.end()
 | 
						|
  })
 | 
						|
 | 
						|
  parser.on('packet', (packet) => {
 | 
						|
    t.pass('Packet parsed')
 | 
						|
  })
 | 
						|
 | 
						|
  parser.parse(packets)
 | 
						|
})
 | 
						|
 | 
						|
testWriteToStreamError('Invalid command', {
 | 
						|
  cmd: 'invalid'
 | 
						|
})
 | 
						|
 | 
						|
testWriteToStreamError('Invalid protocolId', {
 | 
						|
  cmd: 'connect',
 | 
						|
  protocolId: {}
 | 
						|
})
 | 
						|
 | 
						|
test('userProperties null prototype', t => {
 | 
						|
  t.plan(3)
 | 
						|
 | 
						|
  const packet = mqtt.generate({
 | 
						|
    cmd: 'connect',
 | 
						|
    retain: false,
 | 
						|
    qos: 0,
 | 
						|
    dup: false,
 | 
						|
    length: 125,
 | 
						|
    protocolId: 'MQTT',
 | 
						|
    protocolVersion: 5,
 | 
						|
    will: {
 | 
						|
      retain: true,
 | 
						|
      qos: 2,
 | 
						|
      properties: {
 | 
						|
        willDelayInterval: 1234,
 | 
						|
        payloadFormatIndicator: false,
 | 
						|
        messageExpiryInterval: 4321,
 | 
						|
        contentType: 'test',
 | 
						|
        responseTopic: 'topic',
 | 
						|
        correlationData: Buffer.from([1, 2, 3, 4]),
 | 
						|
        userProperties: {
 | 
						|
          test: 'test'
 | 
						|
        }
 | 
						|
      },
 | 
						|
      topic: 'topic',
 | 
						|
      payload: Buffer.from([4, 3, 2, 1])
 | 
						|
    },
 | 
						|
    clean: true,
 | 
						|
    keepalive: 30,
 | 
						|
    properties: {
 | 
						|
      sessionExpiryInterval: 1234,
 | 
						|
      receiveMaximum: 432,
 | 
						|
      maximumPacketSize: 100,
 | 
						|
      topicAliasMaximum: 456,
 | 
						|
      requestResponseInformation: true,
 | 
						|
      requestProblemInformation: true,
 | 
						|
      userProperties: {
 | 
						|
        test: 'test'
 | 
						|
      },
 | 
						|
      authenticationMethod: 'test',
 | 
						|
      authenticationData: Buffer.from([1, 2, 3, 4])
 | 
						|
    },
 | 
						|
    clientId: 'test'
 | 
						|
  })
 | 
						|
 | 
						|
  const parser = mqtt.parser()
 | 
						|
 | 
						|
  parser.on('packet', packet => {
 | 
						|
    t.equal(packet.cmd, 'connect')
 | 
						|
    t.equal(Object.getPrototypeOf(packet.properties.userProperties), null)
 | 
						|
    t.equal(Object.getPrototypeOf(packet.will.properties.userProperties), null)
 | 
						|
  })
 | 
						|
 | 
						|
  parser.parse(packet)
 | 
						|
})
 | 
						|
 | 
						|
test('stops parsing after first error', t => {
 | 
						|
  t.plan(4)
 | 
						|
 | 
						|
  const parser = mqtt.parser()
 | 
						|
 | 
						|
  let packetCount = 0
 | 
						|
  let errorCount = 0
 | 
						|
  let expectedPackets = 1
 | 
						|
  let expectedErrors = 1
 | 
						|
 | 
						|
  parser.on('packet', packet => {
 | 
						|
    t.ok(++packetCount <= expectedPackets, `expected <= ${expectedPackets} packets`)
 | 
						|
  })
 | 
						|
 | 
						|
  parser.on('error', erroneous => {
 | 
						|
    t.ok(++errorCount <= expectedErrors, `expected <= ${expectedErrors} errors`)
 | 
						|
  })
 | 
						|
 | 
						|
  parser.parse(Buffer.from([
 | 
						|
    // First, a valid connect packet:
 | 
						|
 | 
						|
    16, 12, // Header
 | 
						|
    0, 4, // Protocol ID length
 | 
						|
    77, 81, 84, 84, // Protocol ID
 | 
						|
    4, // Protocol version
 | 
						|
    2, // Connect flags
 | 
						|
    0, 30, // Keepalive
 | 
						|
    0, 0, // Client ID length
 | 
						|
 | 
						|
    // Then an invalid subscribe packet:
 | 
						|
 | 
						|
    128, 9, // Header (subscribeqos=0length=9)
 | 
						|
    0, 6, // Message ID (6)
 | 
						|
    0, 4, // Topic length,
 | 
						|
    116, 101, 115, 116, // Topic (test)
 | 
						|
    0, // Qos (0)
 | 
						|
 | 
						|
    // And another invalid subscribe packet:
 | 
						|
 | 
						|
    128, 9, // Header (subscribeqos=0length=9)
 | 
						|
    0, 6, // Message ID (6)
 | 
						|
    0, 4, // Topic length,
 | 
						|
    116, 101, 115, 116, // Topic (test)
 | 
						|
    0, // Qos (0)
 | 
						|
 | 
						|
    // Finally, a valid disconnect packet:
 | 
						|
 | 
						|
    224, 0 // Header
 | 
						|
  ]))
 | 
						|
 | 
						|
  // Calling parse again clears the error and continues parsing
 | 
						|
  packetCount = 0
 | 
						|
  errorCount = 0
 | 
						|
  expectedPackets = 2
 | 
						|
  expectedErrors = 0
 | 
						|
 | 
						|
  parser.parse(Buffer.from([
 | 
						|
    // Connect:
 | 
						|
 | 
						|
    16, 12, // Header
 | 
						|
    0, 4, // Protocol ID length
 | 
						|
    77, 81, 84, 84, // Protocol ID
 | 
						|
    4, // Protocol version
 | 
						|
    2, // Connect flags
 | 
						|
    0, 30, // Keepalive
 | 
						|
    0, 0, // Client ID length
 | 
						|
 | 
						|
    // Disconnect:
 | 
						|
 | 
						|
    224, 0 // Header
 | 
						|
  ]))
 | 
						|
})
 | 
						|
 | 
						|
testGenerateErrorMultipleCmds([
 | 
						|
  'publish',
 | 
						|
  'puback',
 | 
						|
  'pubrec',
 | 
						|
  'pubrel',
 | 
						|
  'subscribe',
 | 
						|
  'suback',
 | 
						|
  'unsubscribe',
 | 
						|
  'unsuback'
 | 
						|
], 'Invalid messageId', {
 | 
						|
  qos: 1, // required for publish
 | 
						|
  topic: 'test', // required for publish
 | 
						|
  messageId: 'a'
 | 
						|
}, {})
 |