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const fixtures = require('webtorrent-fixtures')
const fs = require('fs')
const MemoryChunkStore = require('memory-chunk-store')
const series = require('run-series')
const test = require('tape')
const TrackerServer = require('bittorrent-tracker/server')
const WebTorrent = require('../../')
test('Download using UDP tracker (via .torrent file)', t => {
torrentDownloadTest(t, 'udp')
})
test('Download using HTTP tracker (via .torrent file)', t => {
torrentDownloadTest(t, 'http')
})
function torrentDownloadTest (t, serverType) {
t.plan(9)
let trackerStartCount = 0
const parsedTorrent = Object.assign({}, fixtures.leaves.parsedTorrent)
const tracker = new TrackerServer(
serverType === 'udp' ? { http: false, ws: false } : { udp: false, ws: false }
)
tracker.on('error', err => { t.fail(err) })
tracker.on('warning', err => { t.fail(err) })
tracker.on('start', () => {
trackerStartCount += 1
})
let client1, client2
series([
cb => {
tracker.listen(cb)
},
cb => {
client1 = new WebTorrent({ dht: false, lsd: false })
client1.on('error', err => { t.fail(err) })
client1.on('warning', err => { t.fail(err) })
const port = tracker[serverType].address().port
const announceUrl = serverType === 'http'
? `http://127.0.0.1:${port}/announce`
: `udp://127.0.0.1:${port}`
// Overwrite announce with our local tracker
parsedTorrent.announce = [announceUrl]
client1.on('torrent', torrent => {
// torrent metadata has been fetched -- sanity check it
t.equal(torrent.name, 'Leaves of Grass by Walt Whitman.epub')
const names = [
'Leaves of Grass by Walt Whitman.epub'
]
t.deepEqual(torrent.files.map(file => file.name), names)
torrent.load(fs.createReadStream(fixtures.leaves.contentPath), cb)
})
client1.add(parsedTorrent, { store: MemoryChunkStore })
},
cb => {
client2 = new WebTorrent({ dht: false, lsd: false })
client2.on('error', err => { t.fail(err) })
client2.on('warning', err => { t.fail(err) })
client2.add(parsedTorrent, { store: MemoryChunkStore })
client2.on('torrent', torrent => {
let gotBuffer = false
let torrentDone = false
torrent.files.forEach(file => {
file.getBuffer((err, buf) => {
if (err) throw err
t.deepEqual(buf, fixtures.leaves.content, 'downloaded correct content')
gotBuffer = true
maybeDone()
})
})
torrent.once('done', () => {
t.pass('client2 downloaded torrent from client1')
torrentDone = true
maybeDone()
})
function maybeDone () {
if (gotBuffer && torrentDone) cb(null)
}
})
}
], err => {
t.error(err)
t.equal(trackerStartCount, 2)
tracker.close(() => {
t.pass('tracker closed')
})
client1.destroy(err => {
t.error(err, 'client1 destroyed')
})
client2.destroy(err => {
t.error(err, 'client2 destroyed')
})
})
}
|
