18 _ "github.com/anacrolix/envpprof"
19 "github.com/anacrolix/missinggo"
20 "github.com/anacrolix/missinggo/filecache"
21 "github.com/anacrolix/missinggo/pubsub"
22 "github.com/bradfitz/iter"
23 "github.com/stretchr/testify/assert"
24 "github.com/stretchr/testify/require"
25 "golang.org/x/time/rate"
27 "github.com/anacrolix/torrent/bencode"
28 "github.com/anacrolix/torrent/internal/testutil"
29 "github.com/anacrolix/torrent/iplist"
30 "github.com/anacrolix/torrent/metainfo"
31 "github.com/anacrolix/torrent/storage"
34 func TestingConfig() *Config {
36 ListenAddr: "localhost:0",
39 DisableTrackers: true,
44 func TestClientDefault(t *testing.T) {
45 cl, err := NewClient(TestingConfig())
46 require.NoError(t, err)
50 func TestBoltPieceCompletionClosedWhenClientClosed(t *testing.T) {
51 cfg := TestingConfig()
52 pc, err := storage.NewBoltPieceCompletion(cfg.DataDir)
53 require.NoError(t, err)
54 ci := storage.NewFileWithCompletion(cfg.DataDir, pc)
56 cfg.DefaultStorage = ci
57 cl, err := NewClient(cfg)
58 require.NoError(t, err)
60 // And again, https://github.com/anacrolix/torrent/issues/158
61 cl, err = NewClient(cfg)
62 require.NoError(t, err)
66 func TestAddDropTorrent(t *testing.T) {
67 cl, err := NewClient(TestingConfig())
68 require.NoError(t, err)
70 dir, mi := testutil.GreetingTestTorrent()
71 defer os.RemoveAll(dir)
72 tt, new, err := cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
73 require.NoError(t, err)
75 tt.SetMaxEstablishedConns(0)
76 tt.SetMaxEstablishedConns(1)
80 func TestAddTorrentNoSupportedTrackerSchemes(t *testing.T) {
84 func TestAddTorrentNoUsableURLs(t *testing.T) {
88 func TestAddPeersToUnknownTorrent(t *testing.T) {
92 func TestPieceHashSize(t *testing.T) {
93 if pieceHash.Size() != 20 {
98 func TestTorrentInitialState(t *testing.T) {
99 dir, mi := testutil.GreetingTestTorrent()
100 defer os.RemoveAll(dir)
102 infoHash: mi.HashInfoBytes(),
103 pieceStateChanges: pubsub.NewPubSub(),
106 tor.storageOpener = storage.NewClient(storage.NewFileWithCompletion(tempDir(), storage.NewMapPieceCompletion()))
107 // Needed to lock for asynchronous piece verification.
110 err := tor.setInfoBytes(mi.InfoBytes)
112 require.NoError(t, err)
113 require.Len(t, tor.pieces, 3)
114 tor.pendAllChunkSpecs(0)
116 assert.EqualValues(t, 3, tor.pieceNumPendingChunks(0))
118 assert.EqualValues(t, chunkSpec{4, 1}, chunkIndexSpec(2, tor.pieceLength(0), tor.chunkSize))
121 func TestUnmarshalPEXMsg(t *testing.T) {
122 var m peerExchangeMessage
123 if err := bencode.Unmarshal([]byte("d5:added12:\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0ce"), &m); err != nil {
126 if len(m.Added) != 2 {
129 if m.Added[0].Port != 0x506 {
134 func TestReducedDialTimeout(t *testing.T) {
137 for _, _case := range []struct {
141 ExpectedReduced time.Duration
143 {cfg.NominalDialTimeout, 40, 0, cfg.NominalDialTimeout},
144 {cfg.NominalDialTimeout, 40, 1, cfg.NominalDialTimeout},
145 {cfg.NominalDialTimeout, 40, 39, cfg.NominalDialTimeout},
146 {cfg.NominalDialTimeout, 40, 40, cfg.NominalDialTimeout / 2},
147 {cfg.NominalDialTimeout, 40, 80, cfg.NominalDialTimeout / 3},
148 {cfg.NominalDialTimeout, 40, 4000, cfg.NominalDialTimeout / 101},
150 reduced := reducedDialTimeout(cfg.MinDialTimeout, _case.Max, _case.HalfOpenLimit, _case.PendingPeers)
151 expected := _case.ExpectedReduced
152 if expected < cfg.MinDialTimeout {
153 expected = cfg.MinDialTimeout
155 if reduced != expected {
156 t.Fatalf("expected %s, got %s", _case.ExpectedReduced, reduced)
161 func TestUTPRawConn(t *testing.T) {
162 l, err := NewUtpSocket("udp", "")
163 require.NoError(t, err)
173 // Connect a UTP peer to see if the RawConn will still work.
174 s, err := NewUtpSocket("udp", "")
175 require.NoError(t, err)
177 utpPeer, err := s.Dial(fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
178 require.NoError(t, err)
179 defer utpPeer.Close()
180 peer, err := net.ListenPacket("udp", ":0")
181 require.NoError(t, err)
185 // How many messages to send. I've set this to double the channel buffer
186 // size in the raw packetConn.
188 readerStopped := make(chan struct{})
189 // The reader goroutine.
191 defer close(readerStopped)
192 b := make([]byte, 500)
193 for i := 0; i < N; i++ {
194 n, _, err := l.ReadFrom(b)
195 require.NoError(t, err)
198 fmt.Sscan(string(b[:n]), &d)
199 assert.Equal(t, i, d)
202 udpAddr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("localhost:%d", missinggo.AddrPort(l.Addr())))
203 require.NoError(t, err)
204 for i := 0; i < N; i++ {
205 _, err := peer.WriteTo([]byte(fmt.Sprintf("%d", i)), udpAddr)
206 require.NoError(t, err)
207 time.Sleep(time.Millisecond)
210 case <-readerStopped:
211 case <-time.After(time.Second):
212 t.Fatal("reader timed out")
214 if msgsReceived != N {
215 t.Fatalf("messages received: %d", msgsReceived)
219 func TestTwoClientsArbitraryPorts(t *testing.T) {
220 for i := 0; i < 2; i++ {
221 cl, err := NewClient(TestingConfig())
229 func TestAddDropManyTorrents(t *testing.T) {
230 cl, err := NewClient(TestingConfig())
231 require.NoError(t, err)
233 for i := range iter.N(1000) {
235 binary.PutVarint(spec.InfoHash[:], int64(i))
236 tt, new, err := cl.AddTorrentSpec(&spec)
237 assert.NoError(t, err)
243 type FileCacheClientStorageFactoryParams struct {
246 Wrapper func(*filecache.Cache) storage.ClientImpl
249 func NewFileCacheClientStorageFactory(ps FileCacheClientStorageFactoryParams) storageFactory {
250 return func(dataDir string) storage.ClientImpl {
251 fc, err := filecache.NewCache(dataDir)
256 fc.SetCapacity(ps.Capacity)
258 return ps.Wrapper(fc)
262 type storageFactory func(string) storage.ClientImpl
264 func TestClientTransferDefault(t *testing.T) {
265 testClientTransfer(t, testClientTransferParams{
266 ExportClientStatus: true,
267 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
268 Wrapper: fileCachePieceResourceStorage,
273 func TestClientTransferRateLimitedUpload(t *testing.T) {
274 started := time.Now()
275 testClientTransfer(t, testClientTransferParams{
276 // We are uploading 13 bytes (the length of the greeting torrent). The
277 // chunks are 2 bytes in length. Then the smallest burst we can run
278 // with is 2. Time taken is (13-burst)/rate.
279 SeederUploadRateLimiter: rate.NewLimiter(11, 2),
281 require.True(t, time.Since(started) > time.Second)
284 func TestClientTransferRateLimitedDownload(t *testing.T) {
285 testClientTransfer(t, testClientTransferParams{
286 LeecherDownloadRateLimiter: rate.NewLimiter(512, 512),
290 func fileCachePieceResourceStorage(fc *filecache.Cache) storage.ClientImpl {
291 return storage.NewResourcePieces(fc.AsResourceProvider())
294 func TestClientTransferSmallCache(t *testing.T) {
295 testClientTransfer(t, testClientTransferParams{
296 LeecherStorage: NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
298 // Going below the piece length means it can't complete a piece so
299 // that it can be hashed.
301 Wrapper: fileCachePieceResourceStorage,
304 // Can't readahead too far or the cache will thrash and drop data we
307 ExportClientStatus: true,
311 func TestClientTransferVarious(t *testing.T) {
313 for _, ls := range []storageFactory{
314 NewFileCacheClientStorageFactory(FileCacheClientStorageFactoryParams{
315 Wrapper: fileCachePieceResourceStorage,
320 for _, ss := range []func(string) storage.ClientImpl{
324 for _, responsive := range []bool{false, true} {
325 testClientTransfer(t, testClientTransferParams{
326 Responsive: responsive,
330 for _, readahead := range []int64{-1, 0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 20} {
331 testClientTransfer(t, testClientTransferParams{
333 Responsive: responsive,
335 Readahead: readahead,
344 type testClientTransferParams struct {
348 ExportClientStatus bool
349 LeecherStorage func(string) storage.ClientImpl
350 SeederStorage func(string) storage.ClientImpl
351 SeederUploadRateLimiter *rate.Limiter
352 LeecherDownloadRateLimiter *rate.Limiter
355 // Creates a seeder and a leecher, and ensures the data transfers when a read
356 // is attempted on the leecher.
357 func testClientTransfer(t *testing.T, ps testClientTransferParams) {
358 greetingTempDir, mi := testutil.GreetingTestTorrent()
359 defer os.RemoveAll(greetingTempDir)
360 // Create seeder and a Torrent.
361 cfg := TestingConfig()
363 cfg.UploadRateLimiter = ps.SeederUploadRateLimiter
364 // cfg.ListenAddr = "localhost:4000"
365 if ps.SeederStorage != nil {
366 cfg.DefaultStorage = ps.SeederStorage(greetingTempDir)
367 defer cfg.DefaultStorage.Close()
369 cfg.DataDir = greetingTempDir
371 seeder, err := NewClient(cfg)
372 require.NoError(t, err)
374 if ps.ExportClientStatus {
375 testutil.ExportStatusWriter(seeder, "s")
377 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
378 seederTorrent.VerifyData()
379 // Create leecher and a Torrent.
380 leecherDataDir, err := ioutil.TempDir("", "")
381 require.NoError(t, err)
382 defer os.RemoveAll(leecherDataDir)
383 if ps.LeecherStorage == nil {
384 cfg.DataDir = leecherDataDir
386 cfg.DefaultStorage = ps.LeecherStorage(leecherDataDir)
388 cfg.DownloadRateLimiter = ps.LeecherDownloadRateLimiter
389 // cfg.ListenAddr = "localhost:4001"
390 leecher, err := NewClient(cfg)
391 require.NoError(t, err)
392 defer leecher.Close()
393 if ps.ExportClientStatus {
394 testutil.ExportStatusWriter(leecher, "l")
396 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
397 ret = TorrentSpecFromMetaInfo(mi)
401 require.NoError(t, err)
403 // Now do some things with leecher and seeder.
404 addClientPeer(leecherGreeting, seeder)
405 r := leecherGreeting.NewReader()
411 r.SetReadahead(ps.Readahead)
413 assertReadAllGreeting(t, r)
414 // After one read through, we can assume certain torrent statistics.
415 // These are not a strict requirement. It is however interesting to
417 // t.Logf("%#v", seederTorrent.Stats())
418 // assert.EqualValues(t, 13, seederTorrent.Stats().DataBytesWritten)
419 // assert.EqualValues(t, 8, seederTorrent.Stats().ChunksWritten)
420 // assert.EqualValues(t, 13, leecherGreeting.Stats().DataBytesRead)
421 // assert.EqualValues(t, 8, leecherGreeting.Stats().ChunksRead)
422 // Read through again for the cases where the torrent data size exceeds
423 // the size of the cache.
424 assertReadAllGreeting(t, r)
427 func assertReadAllGreeting(t *testing.T, r io.ReadSeeker) {
428 pos, err := r.Seek(0, io.SeekStart)
429 assert.NoError(t, err)
430 assert.EqualValues(t, 0, pos)
431 _greeting, err := ioutil.ReadAll(r)
432 assert.NoError(t, err)
433 assert.EqualValues(t, testutil.GreetingFileContents, _greeting)
436 // Check that after completing leeching, a leecher transitions to a seeding
437 // correctly. Connected in a chain like so: Seeder <-> Leecher <-> LeecherLeecher.
438 func TestSeedAfterDownloading(t *testing.T) {
439 greetingTempDir, mi := testutil.GreetingTestTorrent()
440 defer os.RemoveAll(greetingTempDir)
441 cfg := TestingConfig()
443 cfg.DataDir = greetingTempDir
444 seeder, err := NewClient(cfg)
445 require.NoError(t, err)
447 testutil.ExportStatusWriter(seeder, "s")
448 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
449 seederTorrent.VerifyData()
450 cfg.DataDir, err = ioutil.TempDir("", "")
451 require.NoError(t, err)
452 defer os.RemoveAll(cfg.DataDir)
453 leecher, err := NewClient(cfg)
454 require.NoError(t, err)
455 defer leecher.Close()
456 testutil.ExportStatusWriter(leecher, "l")
458 // cfg.TorrentDataOpener = nil
459 cfg.DataDir, err = ioutil.TempDir("", "")
460 require.NoError(t, err)
461 defer os.RemoveAll(cfg.DataDir)
462 leecherLeecher, _ := NewClient(cfg)
463 defer leecherLeecher.Close()
464 testutil.ExportStatusWriter(leecherLeecher, "ll")
465 leecherGreeting, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
466 ret = TorrentSpecFromMetaInfo(mi)
470 llg, _, _ := leecherLeecher.AddTorrentSpec(func() (ret *TorrentSpec) {
471 ret = TorrentSpecFromMetaInfo(mi)
475 // Simultaneously DownloadAll in Leecher, and read the contents
476 // consecutively in LeecherLeecher. This non-deterministically triggered a
477 // case where the leecher wouldn't unchoke the LeecherLeecher.
478 var wg sync.WaitGroup
484 b, err := ioutil.ReadAll(r)
485 require.NoError(t, err)
486 assert.EqualValues(t, testutil.GreetingFileContents, b)
488 addClientPeer(leecherGreeting, seeder)
489 addClientPeer(leecherGreeting, leecherLeecher)
493 leecherGreeting.DownloadAll()
499 func TestMergingTrackersByAddingSpecs(t *testing.T) {
500 cl, err := NewClient(TestingConfig())
501 require.NoError(t, err)
503 spec := TorrentSpec{}
504 T, new, _ := cl.AddTorrentSpec(&spec)
508 spec.Trackers = [][]string{{"http://a"}, {"udp://b"}}
509 _, new, _ = cl.AddTorrentSpec(&spec)
511 assert.EqualValues(t, [][]string{{"http://a"}, {"udp://b"}}, T.metainfo.AnnounceList)
512 // Because trackers are disabled in TestingConfig.
513 assert.EqualValues(t, 0, len(T.trackerAnnouncers))
516 type badStorage struct{}
518 var _ storage.ClientImpl = badStorage{}
520 func (bs badStorage) OpenTorrent(*metainfo.Info, metainfo.Hash) (storage.TorrentImpl, error) {
524 func (bs badStorage) Close() error {
528 func (bs badStorage) Piece(p metainfo.Piece) storage.PieceImpl {
529 return badStoragePiece{p}
532 type badStoragePiece struct {
536 var _ storage.PieceImpl = badStoragePiece{}
538 func (p badStoragePiece) WriteAt(b []byte, off int64) (int, error) {
542 func (p badStoragePiece) Completion() storage.Completion {
543 return storage.Completion{Complete: true, Ok: true}
546 func (p badStoragePiece) MarkComplete() error {
547 return errors.New("psyyyyyyyche")
550 func (p badStoragePiece) MarkNotComplete() error {
551 return errors.New("psyyyyyyyche")
554 func (p badStoragePiece) randomlyTruncatedDataString() string {
555 return "hello, world\n"[:rand.Intn(14)]
558 func (p badStoragePiece) ReadAt(b []byte, off int64) (n int, err error) {
559 r := strings.NewReader(p.randomlyTruncatedDataString())
560 return r.ReadAt(b, off+p.p.Offset())
563 // We read from a piece which is marked completed, but is missing data.
564 func TestCompletedPieceWrongSize(t *testing.T) {
565 cfg := TestingConfig()
566 cfg.DefaultStorage = badStorage{}
567 cl, err := NewClient(cfg)
568 require.NoError(t, err)
570 info := metainfo.Info{
572 Pieces: make([]byte, 20),
573 Files: []metainfo.FileInfo{
574 {Path: []string{"greeting"}, Length: 13},
577 b, err := bencode.Marshal(info)
578 require.NoError(t, err)
579 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
581 InfoHash: metainfo.HashBytes(b),
583 require.NoError(t, err)
588 b, err = ioutil.ReadAll(r)
590 assert.NoError(t, err)
593 func BenchmarkAddLargeTorrent(b *testing.B) {
594 cfg := TestingConfig()
595 cfg.DisableTCP = true
596 cfg.DisableUTP = true
597 cfg.ListenAddr = "redonk"
598 cl, err := NewClient(cfg)
599 require.NoError(b, err)
601 for range iter.N(b.N) {
602 t, err := cl.AddTorrentFromFile("testdata/bootstrap.dat.torrent")
610 func TestResponsive(t *testing.T) {
611 seederDataDir, mi := testutil.GreetingTestTorrent()
612 defer os.RemoveAll(seederDataDir)
613 cfg := TestingConfig()
615 cfg.DataDir = seederDataDir
616 seeder, err := NewClient(cfg)
619 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
620 seederTorrent.VerifyData()
621 leecherDataDir, err := ioutil.TempDir("", "")
623 defer os.RemoveAll(leecherDataDir)
624 cfg = TestingConfig()
625 cfg.DataDir = leecherDataDir
626 leecher, err := NewClient(cfg)
628 defer leecher.Close()
629 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
630 ret = TorrentSpecFromMetaInfo(mi)
634 addClientPeer(leecherTorrent, seeder)
635 reader := leecherTorrent.NewReader()
637 reader.SetReadahead(0)
638 reader.SetResponsive()
640 _, err = reader.Seek(3, io.SeekStart)
641 require.NoError(t, err)
642 _, err = io.ReadFull(reader, b)
644 assert.EqualValues(t, "lo", string(b))
645 _, err = reader.Seek(11, io.SeekStart)
646 require.NoError(t, err)
647 n, err := io.ReadFull(reader, b)
649 assert.EqualValues(t, 2, n)
650 assert.EqualValues(t, "d\n", string(b))
653 func TestTorrentDroppedDuringResponsiveRead(t *testing.T) {
654 seederDataDir, mi := testutil.GreetingTestTorrent()
655 defer os.RemoveAll(seederDataDir)
656 cfg := TestingConfig()
658 cfg.DataDir = seederDataDir
659 seeder, err := NewClient(cfg)
662 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
663 seederTorrent.VerifyData()
664 leecherDataDir, err := ioutil.TempDir("", "")
666 defer os.RemoveAll(leecherDataDir)
667 cfg = TestingConfig()
668 cfg.DataDir = leecherDataDir
669 leecher, err := NewClient(cfg)
671 defer leecher.Close()
672 leecherTorrent, _, _ := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
673 ret = TorrentSpecFromMetaInfo(mi)
677 addClientPeer(leecherTorrent, seeder)
678 reader := leecherTorrent.NewReader()
680 reader.SetReadahead(0)
681 reader.SetResponsive()
683 _, err = reader.Seek(3, io.SeekStart)
684 require.NoError(t, err)
685 _, err = io.ReadFull(reader, b)
687 assert.EqualValues(t, "lo", string(b))
688 go leecherTorrent.Drop()
689 _, err = reader.Seek(11, io.SeekStart)
690 require.NoError(t, err)
691 n, err := reader.Read(b)
692 assert.EqualError(t, err, "torrent closed")
693 assert.EqualValues(t, 0, n)
696 func TestDHTInheritBlocklist(t *testing.T) {
697 ipl := iplist.New(nil)
698 require.NotNil(t, ipl)
699 cfg := TestingConfig()
700 cfg.IPBlocklist = ipl
702 cl, err := NewClient(cfg)
703 require.NoError(t, err)
705 require.Equal(t, ipl, cl.DHT().IPBlocklist())
708 // Check that stuff is merged in subsequent AddTorrentSpec for the same
710 func TestAddTorrentSpecMerging(t *testing.T) {
711 cl, err := NewClient(TestingConfig())
712 require.NoError(t, err)
714 dir, mi := testutil.GreetingTestTorrent()
715 defer os.RemoveAll(dir)
716 tt, new, err := cl.AddTorrentSpec(&TorrentSpec{
717 InfoHash: mi.HashInfoBytes(),
719 require.NoError(t, err)
721 require.Nil(t, tt.Info())
722 _, new, err = cl.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
723 require.NoError(t, err)
724 require.False(t, new)
725 require.NotNil(t, tt.Info())
728 func TestTorrentDroppedBeforeGotInfo(t *testing.T) {
729 dir, mi := testutil.GreetingTestTorrent()
731 cl, _ := NewClient(TestingConfig())
733 tt, _, _ := cl.AddTorrentSpec(&TorrentSpec{
734 InfoHash: mi.HashInfoBytes(),
737 assert.EqualValues(t, 0, len(cl.Torrents()))
745 func writeTorrentData(ts *storage.Torrent, info metainfo.Info, b []byte) {
746 for i := range iter.N(info.NumPieces()) {
748 ts.Piece(p).WriteAt(b[p.Offset():p.Offset()+p.Length()], 0)
752 func testAddTorrentPriorPieceCompletion(t *testing.T, alreadyCompleted bool, csf func(*filecache.Cache) storage.ClientImpl) {
753 fileCacheDir, err := ioutil.TempDir("", "")
754 require.NoError(t, err)
755 defer os.RemoveAll(fileCacheDir)
756 fileCache, err := filecache.NewCache(fileCacheDir)
757 require.NoError(t, err)
758 greetingDataTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
759 defer os.RemoveAll(greetingDataTempDir)
760 filePieceStore := csf(fileCache)
761 defer filePieceStore.Close()
762 info, err := greetingMetainfo.UnmarshalInfo()
763 require.NoError(t, err)
764 ih := greetingMetainfo.HashInfoBytes()
765 greetingData, err := storage.NewClient(filePieceStore).OpenTorrent(&info, ih)
766 require.NoError(t, err)
767 writeTorrentData(greetingData, info, []byte(testutil.GreetingFileContents))
768 // require.Equal(t, len(testutil.GreetingFileContents), written)
769 // require.NoError(t, err)
770 for i := 0; i < info.NumPieces(); i++ {
772 if alreadyCompleted {
773 require.NoError(t, greetingData.Piece(p).MarkComplete())
776 cfg := TestingConfig()
777 // TODO: Disable network option?
778 cfg.DisableTCP = true
779 cfg.DisableUTP = true
780 cfg.DefaultStorage = filePieceStore
781 cl, err := NewClient(cfg)
782 require.NoError(t, err)
784 tt, err := cl.AddTorrent(greetingMetainfo)
785 require.NoError(t, err)
786 psrs := tt.PieceStateRuns()
787 assert.Len(t, psrs, 1)
788 assert.EqualValues(t, 3, psrs[0].Length)
789 assert.Equal(t, alreadyCompleted, psrs[0].Complete)
790 if alreadyCompleted {
792 b, err := ioutil.ReadAll(r)
793 assert.NoError(t, err)
794 assert.EqualValues(t, testutil.GreetingFileContents, b)
798 func TestAddTorrentPiecesAlreadyCompleted(t *testing.T) {
799 testAddTorrentPriorPieceCompletion(t, true, fileCachePieceResourceStorage)
802 func TestAddTorrentPiecesNotAlreadyCompleted(t *testing.T) {
803 testAddTorrentPriorPieceCompletion(t, false, fileCachePieceResourceStorage)
806 func TestAddMetainfoWithNodes(t *testing.T) {
807 cfg := TestingConfig()
808 cfg.ListenAddr = ":0"
810 // For now, we want to just jam the nodes into the table, without
811 // verifying them first. Also the DHT code doesn't support mixing secure
812 // and insecure nodes if security is enabled (yet).
813 cfg.DHTConfig.NoSecurity = true
814 cl, err := NewClient(cfg)
815 require.NoError(t, err)
817 assert.EqualValues(t, 0, cl.DHT().NumNodes()+cl.DHT().Stats().OutstandingTransactions)
818 tt, err := cl.AddTorrentFromFile("metainfo/testdata/issue_65a.torrent")
819 require.NoError(t, err)
820 // Nodes are not added or exposed in Torrent's metainfo. We just randomly
821 // check if the announce-list is here instead. TODO: Add nodes.
822 assert.Len(t, tt.metainfo.AnnounceList, 5)
823 // There are 6 nodes in the torrent file.
824 assert.EqualValues(t, 6, cl.DHT().NumNodes()+cl.DHT().Stats().OutstandingTransactions)
827 type testDownloadCancelParams struct {
828 ExportClientStatus bool
829 SetLeecherStorageCapacity bool
830 LeecherStorageCapacity int64
834 func testDownloadCancel(t *testing.T, ps testDownloadCancelParams) {
835 greetingTempDir, mi := testutil.GreetingTestTorrent()
836 defer os.RemoveAll(greetingTempDir)
837 cfg := TestingConfig()
839 cfg.DataDir = greetingTempDir
840 seeder, err := NewClient(cfg)
841 require.NoError(t, err)
843 if ps.ExportClientStatus {
844 testutil.ExportStatusWriter(seeder, "s")
846 seederTorrent, _, _ := seeder.AddTorrentSpec(TorrentSpecFromMetaInfo(mi))
847 seederTorrent.VerifyData()
848 leecherDataDir, err := ioutil.TempDir("", "")
849 require.NoError(t, err)
850 defer os.RemoveAll(leecherDataDir)
851 fc, err := filecache.NewCache(leecherDataDir)
852 require.NoError(t, err)
853 if ps.SetLeecherStorageCapacity {
854 fc.SetCapacity(ps.LeecherStorageCapacity)
856 cfg.DefaultStorage = storage.NewResourcePieces(fc.AsResourceProvider())
857 cfg.DataDir = leecherDataDir
858 leecher, _ := NewClient(cfg)
859 defer leecher.Close()
860 if ps.ExportClientStatus {
861 testutil.ExportStatusWriter(leecher, "l")
863 leecherGreeting, new, err := leecher.AddTorrentSpec(func() (ret *TorrentSpec) {
864 ret = TorrentSpecFromMetaInfo(mi)
868 require.NoError(t, err)
870 psc := leecherGreeting.SubscribePieceStateChanges()
872 leecherGreeting.DownloadAll()
874 leecherGreeting.CancelPieces(0, leecherGreeting.NumPieces())
876 addClientPeer(leecherGreeting, seeder)
877 completes := make(map[int]bool, 3)
880 // started := time.Now()
882 case _v := <-psc.Values:
883 // log.Print(time.Since(started))
884 v := _v.(PieceStateChange)
885 completes[v.Index] = v.Complete
886 case <-time.After(100 * time.Millisecond):
891 assert.EqualValues(t, map[int]bool{0: false, 1: false, 2: false}, completes)
893 assert.EqualValues(t, map[int]bool{0: true, 1: true, 2: true}, completes)
898 func TestTorrentDownloadAll(t *testing.T) {
899 testDownloadCancel(t, testDownloadCancelParams{})
902 func TestTorrentDownloadAllThenCancel(t *testing.T) {
903 testDownloadCancel(t, testDownloadCancelParams{
908 // Ensure that it's an error for a peer to send an invalid have message.
909 func TestPeerInvalidHave(t *testing.T) {
910 cl, err := NewClient(TestingConfig())
911 require.NoError(t, err)
913 info := metainfo.Info{
915 Pieces: make([]byte, 20),
916 Files: []metainfo.FileInfo{{Length: 1}},
918 infoBytes, err := bencode.Marshal(info)
919 require.NoError(t, err)
920 tt, _new, err := cl.AddTorrentSpec(&TorrentSpec{
921 InfoBytes: infoBytes,
922 InfoHash: metainfo.HashBytes(infoBytes),
923 Storage: badStorage{},
925 require.NoError(t, err)
931 assert.NoError(t, cn.peerSentHave(0))
932 assert.Error(t, cn.peerSentHave(1))
935 func TestPieceCompletedInStorageButNotClient(t *testing.T) {
936 greetingTempDir, greetingMetainfo := testutil.GreetingTestTorrent()
937 defer os.RemoveAll(greetingTempDir)
938 cfg := TestingConfig()
939 cfg.DataDir = greetingTempDir
940 seeder, err := NewClient(TestingConfig())
941 require.NoError(t, err)
942 seeder.AddTorrentSpec(&TorrentSpec{
943 InfoBytes: greetingMetainfo.InfoBytes,
947 func TestPrepareTrackerAnnounce(t *testing.T) {
949 blocked, urlToUse, host, err := cl.prepareTrackerAnnounceUnlocked("http://localhost:1234/announce?herp")
950 require.NoError(t, err)
951 assert.False(t, blocked)
952 assert.EqualValues(t, "localhost:1234", host)
953 assert.EqualValues(t, "http://127.0.0.1:1234/announce?herp", urlToUse)
956 // Check that when the listen port is 0, all the protocols listened on have
957 // the same port, and it isn't zero.
958 func TestClientDynamicListenPortAllProtocols(t *testing.T) {
959 cl, err := NewClient(TestingConfig())
960 require.NoError(t, err)
962 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
963 assert.Equal(t, missinggo.AddrPort(cl.utpSock.Addr()), missinggo.AddrPort(cl.tcpListener.Addr()))
966 func TestClientDynamicListenTCPOnly(t *testing.T) {
967 cfg := TestingConfig()
968 cfg.DisableUTP = true
969 cl, err := NewClient(cfg)
970 require.NoError(t, err)
972 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
973 assert.Nil(t, cl.utpSock)
976 func TestClientDynamicListenUTPOnly(t *testing.T) {
977 cfg := TestingConfig()
978 cfg.DisableTCP = true
979 cl, err := NewClient(cfg)
980 require.NoError(t, err)
982 assert.NotEqual(t, 0, missinggo.AddrPort(cl.ListenAddr()))
983 assert.Nil(t, cl.tcpListener)
986 func TestClientDynamicListenPortNoProtocols(t *testing.T) {
987 cfg := TestingConfig()
988 cfg.DisableTCP = true
989 cfg.DisableUTP = true
990 cl, err := NewClient(cfg)
991 require.NoError(t, err)
993 assert.Nil(t, cl.ListenAddr())
996 func addClientPeer(t *Torrent, cl *Client) {
999 IP: missinggo.AddrIP(cl.ListenAddr()),
1000 Port: missinggo.AddrPort(cl.ListenAddr()),
1005 func totalConns(tts []*Torrent) (ret int) {
1006 for _, tt := range tts {
1008 ret += len(tt.conns)
1014 func TestSetMaxEstablishedConn(t *testing.T) {
1016 ih := testutil.GreetingMetaInfo().HashInfoBytes()
1017 for i := range iter.N(3) {
1018 cl, err := NewClient(TestingConfig())
1019 require.NoError(t, err)
1021 tt, _ := cl.AddTorrentInfoHash(ih)
1022 tt.SetMaxEstablishedConns(2)
1023 testutil.ExportStatusWriter(cl, fmt.Sprintf("%d", i))
1024 tts = append(tts, tt)
1026 addPeers := func() {
1027 for i, tt := range tts {
1028 for _, _tt := range tts[:i] {
1029 addClientPeer(tt, _tt.cl)
1033 waitTotalConns := func(num int) {
1034 for totalConns(tts) != num {
1035 time.Sleep(time.Millisecond)
1040 tts[0].SetMaxEstablishedConns(1)
1042 tts[0].SetMaxEstablishedConns(0)
1044 tts[0].SetMaxEstablishedConns(1)
1047 tts[0].SetMaxEstablishedConns(2)
1052 func makeMagnet(t *testing.T, cl *Client, dir string, name string) string {
1053 os.MkdirAll(dir, 0770)
1054 file, err := os.Create(filepath.Join(dir, name))
1055 require.NoError(t, err)
1056 file.Write([]byte(name))
1058 mi := metainfo.MetaInfo{}
1060 info := metainfo.Info{PieceLength: 256 * 1024}
1061 err = info.BuildFromFilePath(filepath.Join(dir, name))
1062 require.NoError(t, err)
1063 mi.InfoBytes, err = bencode.Marshal(info)
1064 require.NoError(t, err)
1065 magnet := mi.Magnet(name, mi.HashInfoBytes()).String()
1066 tr, err := cl.AddTorrent(&mi)
1067 require.NoError(t, err)
1068 require.True(t, tr.Seeding())
1073 // https://github.com/anacrolix/torrent/issues/114
1074 func TestMultipleTorrentsWithEncryption(t *testing.T) {
1075 cfg := TestingConfig()
1076 cfg.DisableUTP = true
1078 cfg.DataDir = filepath.Join(cfg.DataDir, "server")
1080 cfg.ForceEncryption = true
1081 os.Mkdir(cfg.DataDir, 0755)
1082 server, err := NewClient(cfg)
1083 require.NoError(t, err)
1084 defer server.Close()
1085 testutil.ExportStatusWriter(server, "s")
1086 magnet1 := makeMagnet(t, server, cfg.DataDir, "test1")
1087 makeMagnet(t, server, cfg.DataDir, "test2")
1088 cfg = TestingConfig()
1089 cfg.DisableUTP = true
1090 cfg.DataDir = filepath.Join(cfg.DataDir, "client")
1092 cfg.ForceEncryption = true
1093 client, err := NewClient(cfg)
1094 require.NoError(t, err)
1095 defer client.Close()
1096 testutil.ExportStatusWriter(client, "c")
1097 tr, err := client.AddMagnet(magnet1)
1098 require.NoError(t, err)
1099 tr.AddPeers([]Peer{{
1100 IP: missinggo.AddrIP(server.ListenAddr()),
1101 Port: missinggo.AddrPort(server.ListenAddr()),
1108 func TestClientAddressInUse(t *testing.T) {
1109 s, _ := NewUtpSocket("udp", ":50007")
1113 cfg := TestingConfig()
1114 cfg.ListenAddr = ":50007"
1115 cl, err := NewClient(cfg)
1116 require.Error(t, err)