17 fusefs "bazil.org/fuse/fs"
18 _ "github.com/anacrolix/envpprof"
19 "github.com/anacrolix/missinggo"
20 "github.com/stretchr/testify/assert"
21 "github.com/stretchr/testify/require"
23 "github.com/anacrolix/torrent"
24 "github.com/anacrolix/torrent/internal/testutil"
25 "github.com/anacrolix/torrent/metainfo"
26 "github.com/anacrolix/torrent/storage"
30 log.SetFlags(log.Flags() | log.Lshortfile)
33 func TestTCPAddrString(t *testing.T) {
34 l, err := net.Listen("tcp4", "localhost:0")
39 c, err := net.Dial("tcp", l.Addr().String())
44 ras := c.RemoteAddr().String()
46 IP: net.IPv4(127, 0, 0, 1),
47 Port: missinggo.AddrPort(l.Addr()),
55 type testLayout struct {
59 Metainfo *metainfo.MetaInfo
62 func (tl *testLayout) Destroy() error {
63 return os.RemoveAll(tl.BaseDir)
66 func newGreetingLayout() (tl testLayout, err error) {
67 tl.BaseDir, err = ioutil.TempDir("", "torrentfs")
71 tl.Completed = filepath.Join(tl.BaseDir, "completed")
72 os.Mkdir(tl.Completed, 0777)
73 tl.MountDir = filepath.Join(tl.BaseDir, "mnt")
74 os.Mkdir(tl.MountDir, 0777)
75 testutil.CreateDummyTorrentData(tl.Completed)
76 tl.Metainfo = testutil.GreetingMetaInfo()
80 // Unmount without first killing the FUSE connection while there are FUSE
81 // operations blocked inside the filesystem code.
82 func TestUnmountWedged(t *testing.T) {
83 layout, err := newGreetingLayout()
84 require.NoError(t, err)
86 err := layout.Destroy()
91 cfg := torrent.NewDefaultClientConfig()
92 cfg.DataDir = filepath.Join(layout.BaseDir, "incomplete")
93 cfg.DisableTrackers = true
97 client, err := torrent.NewClient(cfg)
98 require.NoError(t, err)
100 tt, err := client.AddTorrent(layout.Metainfo)
101 require.NoError(t, err)
103 fuseConn, err := fuse.Mount(layout.MountDir)
106 case "cannot locate OSXFUSE":
108 case "fusermount: exit status 1":
114 server := fusefs.New(fuseConn, &fusefs.Config{
115 Debug: func(msg interface{}) {
122 if err := fuseConn.MountError; err != nil {
123 t.Fatalf("mount error: %s", err)
125 ctx, cancel := context.WithCancel(context.Background())
126 // Read the greeting file, though it will never be available. This should
127 // "wedge" FUSE, requiring the fs object to be forcibly destroyed. The
128 // read call will return with a FS error.
137 _, err := ioutil.ReadFile(filepath.Join(layout.MountDir, tt.Info().Name))
138 require.Error(t, err)
141 // Wait until the read has blocked inside the filesystem code.
143 for fs.blockedReads != 1 && ctx.Err() == nil {
151 err = fuse.Unmount(layout.MountDir)
153 t.Logf("error unmounting: %s", err)
154 time.Sleep(time.Millisecond)
160 err = fuseConn.Close()
161 assert.NoError(t, err)
164 func TestDownloadOnDemand(t *testing.T) {
165 layout, err := newGreetingLayout()
166 require.NoError(t, err)
167 defer layout.Destroy()
168 cfg := torrent.NewDefaultClientConfig()
169 cfg.DataDir = layout.Completed
170 cfg.DisableTrackers = true
174 cfg.ListenHost = torrent.LoopbackListenHost
175 seeder, err := torrent.NewClient(cfg)
176 require.NoError(t, err)
178 defer testutil.ExportStatusWriter(seeder, "s", t)()
179 // Just to mix things up, the seeder starts with the data, but the leecher
180 // starts with the metainfo.
181 seederTorrent, err := seeder.AddMagnet(fmt.Sprintf("magnet:?xt=urn:btih:%s", layout.Metainfo.HashInfoBytes().HexString()))
182 require.NoError(t, err)
184 // Wait until we get the metainfo, then check for the data.
185 <-seederTorrent.GotInfo()
186 seederTorrent.VerifyData()
188 cfg = torrent.NewDefaultClientConfig()
189 cfg.DisableTrackers = true
191 cfg.DisableTCP = true
192 cfg.DefaultStorage = storage.NewMMap(filepath.Join(layout.BaseDir, "download"))
193 cfg.ListenHost = torrent.LoopbackListenHost
195 leecher, err := torrent.NewClient(cfg)
196 require.NoError(t, err)
197 testutil.ExportStatusWriter(leecher, "l", t)()
198 defer leecher.Close()
199 leecherTorrent, err := leecher.AddTorrent(layout.Metainfo)
200 require.NoError(t, err)
201 leecherTorrent.AddClientPeer(seeder)
205 node, _ := root.(fusefs.NodeStringLookuper).Lookup(netContext.Background(), "greeting")
207 node.Attr(netContext.Background(), &attr)
209 data := make([]byte, size)
210 h, err := node.(fusefs.NodeOpener).Open(context.TODO(), nil, nil)
211 require.NoError(t, err)
213 // torrent.Reader.Read no longer tries to fill the entire read buffer, so this is a ReadFull for
217 resp := fuse.ReadResponse{Data: data[n:]}
218 err := h.(fusefs.HandleReader).Read(netContext.Background(), &fuse.ReadRequest{
222 assert.NoError(t, err)
226 assert.EqualValues(t, testutil.GreetingFileContents, data)
229 func TestIsSubPath(t *testing.T) {
230 for _, case_ := range []struct {
237 {"a/b", "a/bc", false},
238 {"a/b", "a/b", false},
239 {"a/b", "a/b/c", true},
240 {"a/b", "a//b", false},
242 assert.Equal(t, case_.is, isSubPath(case_.parent, case_.child))