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var auto = require('run-auto')
var WebTorrent = require('../')
var BlockStream = require('block-stream')
var DHT = require('bittorrent-dht/client')
var fs = require('fs')
var parseTorrent = require('parse-torrent')
var test = require('tape')
var TrackerServer = require('bittorrent-tracker/server')
var leavesFile = __dirname + '/torrents/Leaves of Grass by Walt Whitman.epub'
var leavesTorrent = fs.readFileSync(__dirname + '/torrents/leaves.torrent')
var leavesParsed = parseTorrent(leavesTorrent)
function downloadTrackerTest (t, serverType) {
t.plan(8)
var trackerStartCount = 0
auto({
tracker: function (cb) {
var tracker = new TrackerServer(
serverType === 'udp' ? { http: false } : { udp: false }
)
tracker.on('error', function (err) {
t.fail(err)
})
tracker.on('start', function () {
trackerStartCount += 1
})
tracker.listen(function (port) {
var announceUrl = serverType === 'http'
? 'http://127.0.0.1:' + port + '/announce'
: 'udp://127.0.0.1:' + port
// Overwrite announce with our local tracker
leavesParsed.announce = [ announceUrl ]
leavesParsed.announceList = [[ announceUrl ]]
cb(null, tracker)
})
},
client1: ['tracker', function (cb) {
var client1 = new WebTorrent({ dht: false })
client1.on('error', function (err) { t.fail(err) })
client1.add(leavesParsed)
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.storage.load(fs.createReadStream(leavesFile), function (err) {
cb(err, client1)
})
})
}],
client2: ['client1', function (cb) {
var client2 = new WebTorrent({ dht: false })
client2.on('error', function (err) { t.fail(err) })
client2.add(leavesParsed)
client2.on('torrent', function (torrent) {
torrent.files.forEach(function (file) {
file.createReadStream()
})
torrent.once('done', function () {
t.pass('client2 downloaded torrent from client1')
cb(null, client2)
})
})
}]
}, function (err, r) {
t.error(err)
t.equal(trackerStartCount, 2)
r.tracker.close(function () {
t.pass('tracker closed')
})
r.client1.destroy(function () {
t.pass('client1 destroyed')
})
r.client2.destroy(function () {
t.pass('client2 destroyed')
})
})
}
test('Simple download using UDP tracker', function (t) {
downloadTrackerTest(t, 'udp')
})
test('Simple download using HTTP tracker', function (t) {
downloadTrackerTest(t, 'http')
})
test('Simple download using a tracker (only) via a magnet uri', function (t) {
t.plan(8)
var trackerStartCount = 0
var magnetUri
auto({
tracker: function (cb) {
var tracker = new TrackerServer('udp')
tracker.on('error', function (err) {
t.fail(err)
})
tracker.on('start', function () {
trackerStartCount += 1
})
tracker.listen(function (port) {
var announceUrl = 'udp://127.0.0.1:' + port
leavesParsed.announce = [ announceUrl ]
leavesParsed.announceList = [[ announceUrl ]]
magnetUri = 'magnet:?xt=urn:btih:' + leavesParsed.infoHash + '&tr=' + encodeURIComponent(announceUrl)
cb(null, tracker)
})
},
client1: ['tracker', function (cb) {
var client1 = new WebTorrent({ dht: false })
client1.on('error', function (err) { t.fail(err) })
client1.add(leavesParsed)
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.storage.load(fs.createReadStream(leavesFile), function (err) {
cb(err, client1)
})
})
}],
client2: ['client1', function (cb) {
var client2 = new WebTorrent({ dht: false })
client2.on('error', function (err) { t.fail(err) })
client2.add(magnetUri)
client2.on('torrent', function (torrent) {
torrent.files.forEach(function (file) {
file.createReadStream()
})
torrent.once('done', function () {
t.pass('client2 downloaded torrent from client1')
cb(null, client2)
})
})
}]
}, function (err, r) {
t.error(err)
t.equal(trackerStartCount, 2)
r.tracker.close(function () {
t.pass('tracker closed')
})
r.client1.destroy(function () {
t.pass('client1 destroyed')
})
r.client2.destroy(function () {
t.pass('client2 destroyed')
})
})
})
test('Simple download using DHT', function (t) {
t.plan(7)
// no trackers
leavesParsed.announce = []
leavesParsed.announceList = []
// TODO: use actual DHT server here, instead of client
var dhtServer = new DHT({ bootstrap: false })
dhtServer.on('error', function (err) {
t.fail(err)
})
auto({
dhtPort: function (cb) {
dhtServer.listen(function (port) {
cb(null, port)
})
},
client1: ['dhtPort', function (cb, r) {
var client1 = new WebTorrent({
trackers: 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(leavesFile), function (err) {
wroteStorage = true
maybeDone(err)
})
})
}],
client2: ['client1', function (cb, r) {
var client2 = new WebTorrent({
trackers: 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.createReadStream()
})
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')
})
})
})
|
