/usr/share/gocode/src/github.com/hanwen/go-fuse/fuse/pathfs/xattr_test.go is in golang-github-hanwen-go-fuse-dev 0.0~git20171124.0.14c3015-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | // Copyright 2016 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
package pathfs
import (
"bytes"
"os"
"path/filepath"
"testing"
"github.com/hanwen/go-fuse/fuse"
"github.com/hanwen/go-fuse/fuse/nodefs"
"github.com/hanwen/go-fuse/internal/testutil"
)
var xattrGolden = map[string][]byte{
"user.attr1": []byte("val1"),
"user.attr2": []byte("val2")}
var xattrFilename = "filename"
type XAttrTestFs struct {
filename string
attrs map[string][]byte
FileSystem
}
func NewXAttrFs(nm string, m map[string][]byte) *XAttrTestFs {
x := &XAttrTestFs{
filename: nm,
attrs: make(map[string][]byte, len(m)),
FileSystem: NewDefaultFileSystem(),
}
for k, v := range m {
x.attrs[k] = v
}
return x
}
func (fs *XAttrTestFs) GetAttr(name string, context *fuse.Context) (*fuse.Attr, fuse.Status) {
a := &fuse.Attr{}
if name == "" || name == "/" {
a.Mode = fuse.S_IFDIR | 0700
return a, fuse.OK
}
if name == fs.filename {
a.Mode = fuse.S_IFREG | 0600
return a, fuse.OK
}
return nil, fuse.ENOENT
}
func (fs *XAttrTestFs) SetXAttr(name string, attr string, data []byte, flags int, context *fuse.Context) fuse.Status {
if name != fs.filename {
return fuse.ENOENT
}
dest := make([]byte, len(data))
copy(dest, data)
fs.attrs[attr] = dest
return fuse.OK
}
func (fs *XAttrTestFs) GetXAttr(name string, attr string, context *fuse.Context) ([]byte, fuse.Status) {
if name != fs.filename {
return nil, fuse.ENOENT
}
v, ok := fs.attrs[attr]
if !ok {
return nil, fuse.ENOATTR
}
return v, fuse.OK
}
func (fs *XAttrTestFs) ListXAttr(name string, context *fuse.Context) (data []string, code fuse.Status) {
if name != fs.filename {
return nil, fuse.ENOENT
}
for k := range fs.attrs {
data = append(data, k)
}
return data, fuse.OK
}
func (fs *XAttrTestFs) RemoveXAttr(name string, attr string, context *fuse.Context) fuse.Status {
if name != fs.filename {
return fuse.ENOENT
}
_, ok := fs.attrs[attr]
if !ok {
return fuse.ENOATTR
}
delete(fs.attrs, attr)
return fuse.OK
}
func readXAttr(p, a string) (val []byte, err error) {
val = make([]byte, 1024)
return getXAttr(p, a, val)
}
func xattrTestCase(t *testing.T, nm string, m map[string][]byte) (mountPoint string, cleanup func()) {
xfs := NewXAttrFs(nm, m)
mountPoint = testutil.TempDir()
nfs := NewPathNodeFs(xfs, nil)
state, _, err := nodefs.MountRoot(mountPoint, nfs.Root(),
&nodefs.Options{Debug: VerboseTest()})
if err != nil {
t.Fatalf("MountRoot failed: %v", err)
}
go state.Serve()
return mountPoint, func() {
state.Unmount()
os.RemoveAll(mountPoint)
}
}
func TestXAttrNoAttrs(t *testing.T) {
nm := xattrFilename
mountPoint, clean := xattrTestCase(t, nm, make(map[string][]byte))
defer clean()
mounted := filepath.Join(mountPoint, nm)
attrs, err := listXAttr(mounted)
if err != nil {
t.Error("Unexpected ListXAttr error", err)
}
if len(attrs) > 0 {
t.Errorf("ListXAttr(%s) = %s, want empty slice", mounted, attrs)
}
}
func TestXAttrNoExist(t *testing.T) {
nm := xattrFilename
mountPoint, clean := xattrTestCase(t, nm, xattrGolden)
defer clean()
mounted := filepath.Join(mountPoint, nm)
_, err := os.Lstat(mounted)
if err != nil {
t.Error("Unexpected stat error", err)
}
val, err := readXAttr(mounted, "noexist")
if err == nil {
t.Error("Expected GetXAttr error", val)
}
}
func TestXAttrRead(t *testing.T) {
nm := xattrFilename
mountPoint, clean := xattrTestCase(t, nm, xattrGolden)
defer clean()
mounted := filepath.Join(mountPoint, nm)
attrs, err := listXAttr(mounted)
readback := make(map[string][]byte)
if err != nil {
t.Error("Unexpected ListXAttr error", err)
} else {
for _, a := range attrs {
val, err := readXAttr(mounted, a)
if err != nil {
t.Errorf("GetXAttr(%q) failed: %v", a, err)
}
readback[a] = val
}
}
if len(readback) != len(xattrGolden) {
t.Error("length mismatch", xattrGolden, readback)
} else {
for k, v := range readback {
if bytes.Compare(xattrGolden[k], v) != 0 {
t.Error("val mismatch", k, v, xattrGolden[k])
}
}
}
err = sysSetxattr(mounted, "third", []byte("value"), 0)
if err != nil {
t.Error("Setxattr error", err)
}
val, err := readXAttr(mounted, "third")
if err != nil || string(val) != "value" {
t.Error("Read back set xattr:", err, string(val))
}
sysRemovexattr(mounted, "third")
val, err = readXAttr(mounted, "third")
if fuse.ToStatus(err) != fuse.ENOATTR {
t.Error("Data not removed?", err, val)
}
}
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