Example #1
0
func TestUnionFsLink(t *testing.T) {
	wd, clean := setupUfs(t)
	defer clean()

	content := "blabla"
	fn := wd + "/ro/file"
	err := ioutil.WriteFile(fn, []byte(content), 0666)
	CheckSuccess(err)
	freezeRo(wd + "/ro")

	err = os.Link(wd+"/mnt/file", wd+"/mnt/linked")
	CheckSuccess(err)

	fi2, err := os.Lstat(wd + "/mnt/linked")
	CheckSuccess(err)

	fi1, err := os.Lstat(wd + "/mnt/file")
	CheckSuccess(err)

	s1 := fuse.ToStatT(fi1)
	s2 := fuse.ToStatT(fi2)
	if s1.Ino != s2.Ino {
		t.Errorf("inode numbers should be equal for linked files %v, %v", s1.Ino, s2.Ino)
	}
	c, err := ioutil.ReadFile(wd + "/mnt/linked")
	if string(c) != content {
		t.Errorf("content mismatch got %q want %q", string(c), content)
	}
}
Example #2
0
func TestLinkCount(t *testing.T) {
	mp, clean := setupZipfs()
	defer clean()

	fi, err := os.Stat(mp + "/file.txt")
	CheckSuccess(err)
	if fuse.ToStatT(fi).Nlink != 1 {
		t.Fatal("wrong link count", fuse.ToStatT(fi).Nlink)
	}
}
Example #3
0
func TestLinkCount(t *testing.T) {
	mp, clean := setupZipfs(t)
	defer clean()

	fi, err := os.Stat(mp + "/file.txt")
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}
	if fuse.ToStatT(fi).Nlink != 1 {
		t.Fatal("wrong link count", fuse.ToStatT(fi).Nlink)
	}
}
Example #4
0
func (fs *loopbackFileSystem) OpenDir(name string, context *fuse.Context) (stream []fuse.DirEntry, status fuse.Status) {
	// What other ways beyond O_RDONLY are there to open
	// directories?
	f, err := os.Open(fs.GetPath(name))
	if err != nil {
		return nil, fuse.ToStatus(err)
	}
	want := 500
	output := make([]fuse.DirEntry, 0, want)
	for {
		infos, err := f.Readdir(want)
		for i := range infos {
			n := infos[i].Name()
			d := fuse.DirEntry{
				Name: n,
			}
			if s := fuse.ToStatT(infos[i]); s != nil {
				d.Mode = uint32(s.Mode)
			} else {
				log.Printf("ReadDir entry %q for %q has no stat info", n, name)
			}
			output = append(output, d)
		}
		if len(infos) < want || err == io.EOF {
			break
		}
		if err != nil {
			log.Println("Readdir() returned err:", err)
			break
		}
	}
	f.Close()

	return output, fuse.OK
}
Example #5
0
func TestUnionFsLink(t *testing.T) {
	wd, clean := setupUfs(t)
	defer clean()

	content := "blabla"
	fn := wd + "/ro/file"
	err := ioutil.WriteFile(fn, []byte(content), 0666)
	if err != nil {
		t.Fatalf("WriteFile failed: %v", err)
	}
	setRecursiveWritable(t, wd+"/ro", false)

	err = os.Link(wd+"/mnt/file", wd+"/mnt/linked")
	if err != nil {
		t.Fatalf("Link failed: %v", err)
	}

	fi2, err := os.Lstat(wd + "/mnt/linked")
	if err != nil {
		t.Fatalf("Lstat failed: %v", err)
	}

	fi1, err := os.Lstat(wd + "/mnt/file")
	if err != nil {
		t.Fatalf("Lstat failed: %v", err)
	}

	s1 := fuse.ToStatT(fi1)
	s2 := fuse.ToStatT(fi2)
	if s1.Ino != s2.Ino {
		t.Errorf("inode numbers should be equal for linked files %v, %v", s1.Ino, s2.Ino)
	}
	c, err := ioutil.ReadFile(wd + "/mnt/linked")
	if string(c) != content {
		t.Errorf("content mismatch got %q want %q", string(c), content)
	}
}
Example #6
0
func TestUnionFsChtimes(t *testing.T) {
	wd, clean := setupUfs(t)
	defer clean()

	writeToFile(wd+"/ro/file", "a")
	err := os.Chtimes(wd+"/ro/file", time.Unix(42, 0), time.Unix(43, 0))
	CheckSuccess(err)

	err = os.Chtimes(wd+"/mnt/file", time.Unix(82, 0), time.Unix(83, 0))
	CheckSuccess(err)

	fi, err := os.Lstat(wd + "/mnt/file")
	stat := fuse.ToStatT(fi)
	if stat.Atim.Sec != 82 || stat.Mtim.Sec != 83 {
		t.Error("Incorrect timestamp", fi)
	}
}
Example #7
0
func TestUnionFsChtimes(t *testing.T) {
	wd, clean := setupUfs(t)
	defer clean()

	WriteFile(t, wd+"/ro/file", "a")
	err := os.Chtimes(wd+"/ro/file", time.Unix(42, 0), time.Unix(43, 0))
	if err != nil {
		t.Fatalf("Chtimes failed: %v", err)
	}

	err = os.Chtimes(wd+"/mnt/file", time.Unix(82, 0), time.Unix(83, 0))
	if err != nil {
		t.Fatalf("Chtimes failed: %v", err)
	}

	fi, err := os.Lstat(wd + "/mnt/file")
	stat := fuse.ToStatT(fi)
	if stat.Atim.Sec != 82 || stat.Mtim.Sec != 83 {
		t.Error("Incorrect timestamp", fi)
	}
}
Example #8
0
func (fs *KakigooriFileSystem) OpenDir(name string, context *fuse.Context) (stream []fuse.DirEntry, status fuse.Status) {
	fullPath := fs.GetPath(name)
	f, err := os.Open(fullPath)
	if err != nil {
		return nil, fuse.ToStatus(err)
	}
	want := 500
	output := make([]fuse.DirEntry, 0, want)
	for {
		infos, err := f.Readdir(want)
		for i := range infos {
			// workaround for https://code.google.com/p/go/issues/detail?id=5960
			if infos[i] == nil {
				continue
			}
			n := infos[i].Name()
			d := fuse.DirEntry{
				Name: n,
			}
			if s := fuse.ToStatT(infos[i]); s != nil {
				d.Mode = uint32(s.Mode)
			} else {
				log.Printf("ReadDir entry %q for %q has no stat info", n, name)
			}
			output = append(output, d)
		}
		if len(infos) < want || err == io.EOF {
			break
		}
		if err != nil {
			log.Println("Readdir() returned err:", err)
			break
		}
	}
	f.Close()
	go event.Notify(event.OpenDir, fullPath)
	return output, fuse.OK
}
Example #9
0
func TestFSetAttr(t *testing.T) {
	fSetAttrFs := &FSetAttrFs{
		FileSystem: pathfs.NewDefaultFileSystem(),
	}
	fs := pathfs.NewLockingFileSystem(fSetAttrFs)
	dir, clean := setupFAttrTest(t, fs)
	defer func() {
		if clean != nil {
			clean()
		}
	}()

	fn := dir + "/file"
	f, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY, 0755)

	if err != nil {
		t.Fatalf("OpenFile failed: %v", err)
	}
	defer f.Close()
	fi, err := f.Stat()
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}

	_, err = f.WriteString("hello")
	if err != nil {
		t.Fatalf("WriteString failed: %v", err)
	}

	code := syscall.Ftruncate(int(f.Fd()), 3)
	if code != nil {
		t.Error("truncate retval", os.NewSyscallError("Ftruncate", code))
	}

	if a, status := fs.GetAttr("file", nil); !status.Ok() {
		t.Fatalf("GetAttr: status %v", status)
	} else if a.Size != 3 {
		t.Errorf("truncate: size %d, status %v", a.Size, status)
	}

	if err := f.Chmod(024); err != nil {
		t.Fatalf("Chmod failed: %v", err)
	}

	if a, status := fs.GetAttr("file", nil); !status.Ok() {
		t.Errorf("chmod: %v", status)
	} else if a.Mode&07777 != 024 {
		t.Errorf("getattr after chmod: %o", a.Mode&0777)
	}

	if err := os.Chtimes(fn, time.Unix(0, 100e3), time.Unix(0, 101e3)); err != nil {
		t.Fatalf("Chtimes failed: %v", err)
	}

	if a, status := fs.GetAttr("file", nil); !status.Ok() {
		t.Errorf("GetAttr: %v", status)
	} else if a.Atimensec != 100e3 || a.Mtimensec != 101e3 {
		t.Errorf("Utimens: atime %d != 100e3 mtime %d != 101e3",
			a.Atimensec, a.Mtimensec)
	}

	newFi, err := f.Stat()
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}
	i1 := fuse.ToStatT(fi).Ino
	i2 := fuse.ToStatT(newFi).Ino
	if i1 != i2 {
		t.Errorf("f.Lstat().Ino = %d. Returned %d before.", i2, i1)
	}

	if code := syscall.Fsync(int(f.Fd())); code != nil {
		t.Error("Fsync failed:", os.NewSyscallError("Fsync", code))
	}

	// Close the file, otherwise we can't unmount.
	f.Close()

	// Shutdown the FUSE FS so we can safely look at fSetAttrFs
	clean()
	clean = nil
	if !fSetAttrFs.file.FsyncCalled {
		t.Error("Fsync was not called")
	}
}
Example #10
0
func TestFSetAttr(t *testing.T) {
	fs := pathfs.NewLockingFileSystem(&FSetAttrFs{
		FileSystem: pathfs.NewDefaultFileSystem(),
	})
	dir, clean := setupFAttrTest(t, fs)
	defer clean()

	fn := dir + "/file"
	f, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY, 0755)

	if err != nil {
		t.Fatalf("OpenFile failed: %v", err)
	}
	defer f.Close()
	fi, err := f.Stat()
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}

	_, err = f.WriteString("hello")
	if err != nil {
		t.Fatalf("WriteString failed: %v", err)
	}

	code := syscall.Ftruncate(int(f.Fd()), 3)
	if code != nil {
		t.Error("truncate retval", os.NewSyscallError("Ftruncate", code))
	}

	if a, status := fs.GetAttr("file", nil); !status.Ok() {
		t.Fatalf("GetAttr: status %v", status)
	} else if a.Size != 3 {
		t.Errorf("truncate: size %d, status %v", a.Size, status)
	}

	if err := f.Chmod(024); err != nil {
		t.Fatalf("Chmod failed: %v", err)
	}

	if a, status := fs.GetAttr("file", nil); !status.Ok() {
		t.Errorf("chmod: %v", status)
	} else if a.Mode&07777 != 024 {
		t.Errorf("getattr after chmod: %o", a.Mode&0777)
	}

	if err := os.Chtimes(fn, time.Unix(0, 100e3), time.Unix(0, 101e3)); err != nil {
		t.Fatalf("Chtimes failed: %v", err)
	}

	if a, status := fs.GetAttr("file", nil); !status.Ok() {
		t.Errorf("GetAttr: %v", status)
	} else if a.Atimensec != 100e3 || a.Mtimensec != 101e3 {
		t.Errorf("Utimens: atime %d != 100e3 mtime %d != 101e3",
			a.Atimensec, a.Mtimensec)
	}

	newFi, err := f.Stat()
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}
	i1 := fuse.ToStatT(fi).Ino
	i2 := fuse.ToStatT(newFi).Ino
	if i1 != i2 {
		t.Errorf("f.Lstat().Ino = %d. Returned %d before.", i2, i1)
	}
	// TODO - test chown if run as root.
}