17 fusefs "bazil.org/fuse/fs"
18 _ "github.com/anacrolix/envpprof"
19 "github.com/anacrolix/missinggo"
20 "github.com/anacrolix/torrent"
21 "github.com/anacrolix/torrent/internal/testutil"
22 "github.com/anacrolix/torrent/metainfo"
23 "github.com/anacrolix/torrent/storage"
24 "github.com/stretchr/testify/assert"
25 "github.com/stretchr/testify/require"
29 log.SetFlags(log.Flags() | log.Lshortfile)
32 func TestTCPAddrString(t *testing.T) {
33 l, err := net.Listen("tcp4", "localhost:0")
38 c, err := net.Dial("tcp", l.Addr().String())
43 ras := c.RemoteAddr().String()
45 IP: net.IPv4(127, 0, 0, 1),
46 Port: missinggo.AddrPort(l.Addr()),
54 type testLayout struct {
58 Metainfo *metainfo.MetaInfo
61 func (tl *testLayout) Destroy() error {
62 return os.RemoveAll(tl.BaseDir)
65 func newGreetingLayout() (tl testLayout, err error) {
66 tl.BaseDir, err = ioutil.TempDir("", "torrentfs")
70 tl.Completed = filepath.Join(tl.BaseDir, "completed")
71 os.Mkdir(tl.Completed, 0777)
72 tl.MountDir = filepath.Join(tl.BaseDir, "mnt")
73 os.Mkdir(tl.MountDir, 0777)
74 testutil.CreateDummyTorrentData(tl.Completed)
75 tl.Metainfo = testutil.GreetingMetaInfo()
79 // Unmount without first killing the FUSE connection while there are FUSE
80 // operations blocked inside the filesystem code.
81 func TestUnmountWedged(t *testing.T) {
82 layout, err := newGreetingLayout()
83 require.NoError(t, err)
85 err := layout.Destroy()
90 cfg := torrent.NewDefaultClientConfig()
91 cfg.DataDir = filepath.Join(layout.BaseDir, "incomplete")
92 cfg.DisableTrackers = true
96 client, err := torrent.NewClient(cfg)
97 require.NoError(t, err)
99 tt, err := client.AddTorrent(layout.Metainfo)
100 require.NoError(t, err)
102 fuseConn, err := fuse.Mount(layout.MountDir)
105 case "cannot locate OSXFUSE":
107 case "fusermount: exit status 1":
113 server := fusefs.New(fuseConn, &fusefs.Config{
114 Debug: func(msg interface{}) {
121 if err := fuseConn.MountError; err != nil {
122 t.Fatalf("mount error: %s", err)
124 ctx, cancel := context.WithCancel(context.Background())
125 // Read the greeting file, though it will never be available. This should
126 // "wedge" FUSE, requiring the fs object to be forcibly destroyed. The
127 // read call will return with a FS error.
136 _, err := ioutil.ReadFile(filepath.Join(layout.MountDir, tt.Info().Name))
137 require.Error(t, err)
140 // Wait until the read has blocked inside the filesystem code.
142 for fs.blockedReads != 1 && ctx.Err() == nil {
150 err = fuse.Unmount(layout.MountDir)
152 t.Logf("error unmounting: %s", err)
153 time.Sleep(time.Millisecond)
159 err = fuseConn.Close()
160 assert.NoError(t, err)
163 func TestDownloadOnDemand(t *testing.T) {
164 layout, err := newGreetingLayout()
165 require.NoError(t, err)
166 defer layout.Destroy()
167 cfg := torrent.NewDefaultClientConfig()
168 cfg.DataDir = layout.Completed
169 cfg.DisableTrackers = true
172 cfg.ListenHost = torrent.LoopbackListenHost
173 seeder, err := torrent.NewClient(cfg)
174 require.NoError(t, err)
176 defer testutil.ExportStatusWriter(seeder, "s")()
177 // Just to mix things up, the seeder starts with the data, but the leecher
178 // starts with the metainfo.
179 seederTorrent, err := seeder.AddMagnet(fmt.Sprintf("magnet:?xt=urn:btih:%s", layout.Metainfo.HashInfoBytes().HexString()))
180 require.NoError(t, err)
182 // Wait until we get the metainfo, then check for the data.
183 <-seederTorrent.GotInfo()
184 seederTorrent.VerifyData()
186 cfg = torrent.NewDefaultClientConfig()
187 cfg.DisableTrackers = true
189 cfg.DisableTCP = true
190 cfg.DefaultStorage = storage.NewMMap(filepath.Join(layout.BaseDir, "download"))
191 cfg.ListenHost = torrent.LoopbackListenHost
192 leecher, err := torrent.NewClient(cfg)
193 require.NoError(t, err)
194 testutil.ExportStatusWriter(leecher, "l")()
195 defer leecher.Close()
196 leecherTorrent, err := leecher.AddTorrent(layout.Metainfo)
197 require.NoError(t, err)
198 leecherTorrent.AddClientPeer(seeder)
202 node, _ := root.(fusefs.NodeStringLookuper).Lookup(netContext.Background(), "greeting")
204 node.Attr(netContext.Background(), &attr)
206 resp := &fuse.ReadResponse{
207 Data: make([]byte, size),
209 h, err := node.(fusefs.NodeOpener).Open(context.TODO(), nil, nil)
210 require.NoError(t, err)
211 h.(fusefs.HandleReader).Read(netContext.Background(), &fuse.ReadRequest{
214 assert.EqualValues(t, testutil.GreetingFileContents, resp.Data)
217 func TestIsSubPath(t *testing.T) {
218 for _, case_ := range []struct {
225 {"a/b", "a/bc", false},
226 {"a/b", "a/b", false},
227 {"a/b", "a/b/c", true},
228 {"a/b", "a//b", false},
230 assert.Equal(t, case_.is, isSubPath(case_.parent, case_.child))