add single scrape, multi scrape, all scrape tests

Author: feross

test/scrape.js

@@ -0,0 +1,168 @@
+var bencode = require('bencode')
+var Client = require('../')
+var common = require('../lib/common')
+var concat = require('concat-stream')
+var fs = require('fs')
+var http = require('http')
+var parseTorrent = require('parse-torrent')
+var portfinder = require('portfinder')
+var querystring = require('querystring')
+var Server = require('../').Server
+var test = require('tape')
+
+var infoHash1 = 'aaa67059ed6bd08362da625b3ae77f6f4a075aaa'
+var encodedInfoHash1 = common.bytewiseEncodeURIComponent(
+  new Buffer(infoHash1, 'hex')
+)
+var infoHash2 = 'bbb67059ed6bd08362da625b3ae77f6f4a075bbb'
+var encodedInfoHash2 = common.bytewiseEncodeURIComponent(
+  new Buffer(infoHash2, 'hex')
+)
+
+var bitlove = fs.readFileSync(__dirname + '/torrents/bitlove-intro.torrent')
+var parsedBitlove = parseTorrent(bitlove)
+var encodedBitlove = common.bytewiseEncodeURIComponent(
+  new Buffer(parsedBitlove.infoHash, 'hex')
+)
+var peerId = new Buffer('01234567890123456789')
+
+test('server: single info_hash scrape', function (t) {
+  var server = new Server({ udp: false })
+  server.on('error', function (err) {
+    t.error(err)
+  })
+  server.on('warning', function (err) {
+    t.error(err)
+  })
+
+  portfinder.getPort(function (err, port) {
+    t.error(err)
+    server.listen(port)
+    var scrapeUrl = 'http://127.0.0.1:' + port + '/scrape'
+
+    server.once('listening', function () {
+      var url = scrapeUrl + '?' + querystring.stringify({
+        info_hash: encodedInfoHash1
+      })
+      http.get(url, function (res) {
+        t.equal(res.statusCode, 200)
+        res.pipe(concat(function (data) {
+          data = bencode.decode(data)
+          t.ok(data.files)
+          t.equal(Object.keys(data.files).length, 1)
+          t.ok(data.files[encodedInfoHash1])
+          t.equal(typeof data.files[encodedInfoHash1].complete, 'number')
+          t.equal(typeof data.files[encodedInfoHash1].incomplete, 'number')
+          t.equal(typeof data.files[encodedInfoHash1].downloaded, 'number')
+
+          server.close(function () {
+            t.end()
+          })
+        }))
+      }).on('error', function (e) {
+        t.error(err)
+      })
+    })
+  })
+})
+
+test('server: multiple info_hash scrape', function (t) {
+  var server = new Server({ udp: false })
+  server.on('error', function (err) {
+    t.error(err)
+  })
+  server.on('warning', function (err) {
+    t.error(err)
+  })
+
+  portfinder.getPort(function (err, port) {
+    t.error(err)
+    server.listen(port)
+    var scrapeUrl = 'http://127.0.0.1:' + port + '/scrape'
+
+    server.once('listening', function () {
+      var url = scrapeUrl + '?' + querystring.stringify({
+        info_hash: [ encodedInfoHash1, encodedInfoHash2 ]
+      })
+      http.get(url, function (res) {
+        t.equal(res.statusCode, 200)
+        res.pipe(concat(function (data) {
+          data = bencode.decode(data)
+          t.ok(data.files)
+          t.equal(Object.keys(data.files).length, 2)
+
+          t.ok(data.files[encodedInfoHash1])
+          t.equal(typeof data.files[encodedInfoHash1].complete, 'number')
+          t.equal(typeof data.files[encodedInfoHash1].incomplete, 'number')
+          t.equal(typeof data.files[encodedInfoHash1].downloaded, 'number')
+
+          t.ok(data.files[encodedInfoHash2])
+          t.equal(typeof data.files[encodedInfoHash2].complete, 'number')
+          t.equal(typeof data.files[encodedInfoHash2].incomplete, 'number')
+          t.equal(typeof data.files[encodedInfoHash2].downloaded, 'number')
+
+          server.close(function () {
+            t.end()
+          })
+        }))
+      }).on('error', function (e) {
+        t.error(err)
+      })
+    })
+  })
+})
+
+test('server: all info_hash scrape', function (t) {
+  var server = new Server({ udp: false })
+  server.on('error', function (err) {
+    t.error(err)
+  })
+  server.on('warning', function (err) {
+    t.error(err)
+  })
+
+  portfinder.getPort(function (err, port) {
+    t.error(err)
+    server.listen(port)
+    var announceUrl = 'http://127.0.0.1:' + port + '/announce'
+    var scrapeUrl = 'http://127.0.0.1:' + port + '/scrape'
+
+    parsedBitlove.announce = [ announceUrl ]
+
+    server.once('listening', function () {
+
+      // announce a torrent to the tracker
+      var client = new Client(peerId, port, parsedBitlove)
+      client.on('error', function (err) {
+        t.error(err)
+      })
+      client.start()
+
+      server.once('start', function (data) {
+
+        // now do a scrape of everything by omitting the info_hash param
+        http.get(scrapeUrl, function (res) {
+
+          t.equal(res.statusCode, 200)
+          res.pipe(concat(function (data) {
+            data = bencode.decode(data)
+            t.ok(data.files)
+            t.equal(Object.keys(data.files).length, 1)
+
+            t.ok(data.files[encodedBitlove])
+            t.equal(typeof data.files[encodedBitlove].complete, 'number')
+            t.equal(typeof data.files[encodedBitlove].incomplete, 'number')
+            t.equal(typeof data.files[encodedBitlove].downloaded, 'number')
+
+            client.stop()
+            server.close(function () {
+              t.end()
+            })
+          }))
+        }).on('error', function (e) {
+          t.error(err)
+        })
+      })
+    })
+  })
+})