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var auto = require('run-auto')
var DHT = require('bittorrent-dht/server')
var fs = require('fs')
var parseTorrent = require('parse-torrent')
var test = require('tape')
var WebTorrent = require('../')
var leavesPath = __dirname + '/content/Leaves of Grass by Walt Whitman.epub'
var leavesFile = fs.readFileSync(leavesPath)
var leavesTorrent = fs.readFileSync(__dirname + '/torrents/leaves.torrent')
var leavesParsed = parseTorrent(leavesTorrent)
// remove trackers from .torrent file
leavesParsed.announce = []
leavesParsed.announceList = []
test('Download using DHT (via .torrent file)', function (t) {
t.plan(8)
var dhtServer = new DHT({ bootstrap: false })
dhtServer.on('error', function (err) {
t.fail(err)
})
auto({
dhtPort: function (cb) {
dhtServer.listen(function () {
var port = dhtServer.address().port
cb(null, port)
})
},
client1: ['dhtPort', function (cb, r) {
var client1 = new WebTorrent({
tracker: false,
dht: { bootstrap: '127.0.0.1:' + r.dhtPort }
})
client1.on('error', function (err) { t.fail(err) })
client1.add(leavesParsed)
var announced, wroteStorage
function maybeDone (err) {
if ((announced && wroteStorage) || err) cb(err, client1)
}
client1.on('torrent', function (torrent) {
// torrent metadata has been fetched -- sanity check it
t.equal(torrent.name, 'Leaves of Grass by Walt Whitman.epub')
var names = [ 'Leaves of Grass by Walt Whitman.epub' ]
t.deepEqual(torrent.files.map(function (file) { return file.name }), names)
torrent.on('dhtAnnounce', function () {
announced = true
maybeDone(null)
})
torrent.storage.load(fs.createReadStream(leavesPath), function (err) {
wroteStorage = true
maybeDone(err)
})
})
}],
client2: ['client1', function (cb, r) {
var client2 = new WebTorrent({
tracker: false,
dht: { bootstrap: '127.0.0.1:' + r.dhtPort }
})
client2.on('error', function (err) { t.fail(err) })
client2.add(leavesParsed)
client2.on('torrent', function (torrent) {
torrent.files.forEach(function (file) {
file.getBuffer(function (err, buf) {
if (err) throw err
t.deepEqual(buf, leavesFile, 'downloaded correct content')
})
})
torrent.once('done', function () {
t.pass('client2 downloaded torrent from client1')
cb(null, client2)
})
})
}]
}, function (err, r) {
t.error(err)
r.client1.destroy(function () {
t.pass('client1 destroyed')
})
r.client2.destroy(function () {
t.pass('client2 destroyed')
})
dhtServer.destroy(function () {
t.pass('dht server destroyed')
})
})
})
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