text: const DHT = require('bittorrent-dht/server')
  const fixtures = require('webtorrent-fixtures')
  const series = require('run-series')
  const test = require('tape')
  const WebTorrent = require('../../')
  const common = require('../common')
  
  test('blocklist blocks peers discovered via DHT', t => {
    t.plan(8)
  
    let dhtServer, client1, client2
  
    series([
      cb => {
        dhtServer = new DHT({ bootstrap: false })
        dhtServer.on('error', err => { t.fail(err) })
        dhtServer.on('warning', err => { t.fail(err) })
        dhtServer.listen(cb)
      },
  
      cb => {
        let torrentReady = false
        let announced = false
  
        client1 = new WebTorrent({
          tracker: false,
          lsd: false,
          dht: { bootstrap: `127.0.0.1:${dhtServer.address().port}` }
        })
        client1.on('error', err => { t.fail(err) })
        client1.on('warning', err => { t.fail(err) })
  
        const torrent1 = client1.add(fixtures.leaves.parsedTorrent, {
          path: common.getDownloadPath('client_1', fixtures.leaves.parsedTorrent.infoHash)
        })
  
        torrent1.on('peer', () => {
          t.fail('client1 should not find any peers')
        })
  
        torrent1.on('blockedPeer', () => {
          t.fail('client1 should not block any peers')
        })
  
        torrent1.on('ready', () => {
          t.pass('torrent1 ready')
          torrentReady = true
          maybeDone()
        })
  
        torrent1.on('dhtAnnounce', () => {
          t.pass('client1 announced to dht')
          announced = true
          maybeDone()
        })
  
        function maybeDone () {
          if (torrentReady && announced) cb(null)
        }
      },
  
      cb => {
        client2 = new WebTorrent({
          tracker: false,
          lsd: false,
          dht: { bootstrap: `127.0.0.1:${dhtServer.address().port}` },
          blocklist: ['127.0.0.1']
        })
        client2.on('error', err => { t.fail(err) })
        client2.on('warning', err => { t.fail(err) })
  
        const torrent2 = client2.add(fixtures.leaves.parsedTorrent, {
          path: common.getDownloadPath('client_2', fixtures.leaves.parsedTorrent.infoHash)
        })
  
        torrent2.on('blockedPeer', addr => {
          t.pass(`client2 blocked connection to client1: ${addr}`)
          blockedPeer = true
          maybeDone()
        })
  
        torrent2.on('dhtAnnounce', () => {
          t.pass('client2 announced to dht')
          announced = true
          maybeDone()
        })
  
        torrent2.on('peer', addr => {
          t.fail('client2 should not find any peers')
        })
  
        let blockedPeer, announced
        function maybeDone () {
          if (blockedPeer && announced) cb(null)
        }
      }
  
    ], err => {
      t.error(err)
      dhtServer.destroy(err => {
        t.error(err, 'dht server destroyed')
      })
      client1.destroy(err => {
        t.error(err, 'client1 destroyed')
      })
      client2.destroy(err => {
        t.error(err, 'client2 destroyed')
      })
    })
  })
  