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var auto = require('run-auto')
var fs = require('fs')
var parseTorrent = require('parse-torrent')
var test = require('tape')
var TrackerServer = require('bittorrent-tracker/server')
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)
test('Download using UDP tracker (via .torrent file)', function (t) {
torrentDownloadTest(t, 'udp')
})
test('Download using HTTP tracker (via .torrent file)', function (t) {
torrentDownloadTest(t, 'http')
})
function torrentDownloadTest (t, serverType) {
t.plan(9)
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 () {
var port = tracker[serverType].address().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(leavesPath), 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.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)
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')
})
})
}
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