magnet-uri/test/basic.js

Parse a magnet URI and return an object of keys/values

var magnet = require('../')
var test = require('tape')

var leavesOfGrass = 'magnet:?xt=urn:btih:d2474e86c95b19b8bcfdb92bc12c9d44667cfa36&dn=Leaves+of+Grass+by+Walt+Whitman.epub&tr=udp%3A%2F%2Ftracker.openbittorrent.com%3A80&tr=udp%3A%2F%2Ftracker.publicbt.com%3A80&tr=udp%3A%2F%2Ftracker.istole.it%3A6969&tr=udp%3A%2F%2Ftracker.ccc.de%3A80&tr=udp%3A%2F%2Fopen.demonii.com%3A1337'

test('parse valid magnet uris', function (t) {
  t.doesNotThrow(function () {
    magnet(leavesOfGrass)
  })
  t.deepEquals(magnet(leavesOfGrass), {
    "xt": "urn:btih:d2474e86c95b19b8bcfdb92bc12c9d44667cfa36",
    "infoHash": "d2474e86c95b19b8bcfdb92bc12c9d44667cfa36",
    "dn": "Leaves+of+Grass+by+Walt+Whitman.epub",
    "tr": [
      "udp://tracker.openbittorrent.com:80",
      "udp://tracker.publicbt.com:80",
      "udp://tracker.istole.it:6969",
      "udp://tracker.ccc.de:80",
      "udp://open.demonii.com:1337"
    ]
  })
  t.end()
})


test('empty magnet URIs return empty object', function (t) {
  var empty1 = ''
  var empty2 = 'magnet:'
  var empty3 = 'magnet:?'

  t.doesNotThrow(function () { magnet(empty1) })
  t.deepEquals(magnet(empty1), {})
  t.doesNotThrow(function () { magnet(empty2) })
  t.deepEquals(magnet(empty2), {})
  t.doesNotThrow(function () { magnet(empty3) })
  t.deepEquals(magnet(empty3), {})
  t.end()
})

test('empty string as keys is okay', function (t) {
  var uri = 'magnet:?a=&b=&c='

  t.doesNotThrow(function () { magnet(uri) })
  t.deepEquals(magnet(uri), { a: '', b: '', c: '' })
  t.end()
})



test('invalid magnet URIs return empty object', function (t) {
  var invalid1 = 'magnet:?xt=urn:btih:==='
  var invalid2 = 'magnet:?xt'
  var invalid3 = 'magnet:?xt=?dn='

  t.doesNotThrow(function () { magnet(invalid1) })
  t.deepEquals(magnet(invalid1), {})
  t.doesNotThrow(function () { magnet(invalid2) })
  t.deepEquals(magnet(invalid2), {})
  t.doesNotThrow(function () { magnet(invalid3) })
  t.deepEquals(magnet(invalid3), {})
  t.end()
})


test('invalid magnet URIs return only valid keys (ignoring invalid ones)', function (t) {
  var invalid1 = 'magnet:?a=a&==='
  var invalid2 = 'magnet:?a==&b=b'
  var invalid3 = 'magnet:?a=b=&c=c&d==='

  t.doesNotThrow(function () { magnet(invalid1) })
  t.deepEquals(magnet(invalid1), { a: 'a' })
  t.doesNotThrow(function () { magnet(invalid2) })
  t.deepEquals(magnet(invalid2), { b: 'b' })
  t.doesNotThrow(function () { magnet(invalid3) })
  t.deepEquals(magnet(invalid3), { c: 'c' })
  t.end()
})

test('extracts 20-char hex BitTorrent info_hash', function (t) {
  result = magnet('magnet:?xt=urn:btih:aad050ee1bb22e196939547b134535824dabf0ce')
  t.equal(result.infoHash, 'aad050ee1bb22e196939547b134535824dabf0ce')
  t.end()
})

test('extracts 32-char base32 BitTorrent info_hash', function (t) {
  result = magnet('magnet:?xt=urn:btih:64DZYZWMUAVLIWJUXGDIK4QGAAIN7SL6')
  t.equal(result.infoHash, 'f7079c66cca02ab45934b9868572060010dfc97e')
  t.end()
})