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package fs
import (
"fmt"
"os"
"path/filepath"
"reflect"
"runtime"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/restic"
"github.com/restic/restic/internal/test"
rtest "github.com/restic/restic/internal/test"
)
func BenchmarkNodeFromFileInfo(t *testing.B) {
tempfile, err := os.CreateTemp(t.TempDir(), "restic-test-temp-")
rtest.OK(t, err)
path := tempfile.Name()
rtest.OK(t, tempfile.Close())
fs := Local{}
f, err := fs.OpenFile(path, O_NOFOLLOW, true)
rtest.OK(t, err)
_, err = f.Stat()
rtest.OK(t, err)
t.ResetTimer()
for i := 0; i < t.N; i++ {
_, err := f.ToNode(false)
rtest.OK(t, err)
}
rtest.OK(t, f.Close())
}
func parseTime(s string) time.Time {
t, err := time.Parse("2006-01-02 15:04:05.999", s)
if err != nil {
panic(err)
}
return t.Local()
}
var nodeTests = []restic.Node{
{
Name: "testFile",
Type: restic.NodeTypeFile,
Content: restic.IDs{},
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0604,
ModTime: parseTime("2015-05-14 21:07:23.111"),
AccessTime: parseTime("2015-05-14 21:07:24.222"),
ChangeTime: parseTime("2015-05-14 21:07:25.333"),
},
{
Name: "testSuidFile",
Type: restic.NodeTypeFile,
Content: restic.IDs{},
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0755 | os.ModeSetuid,
ModTime: parseTime("2015-05-14 21:07:23.111"),
AccessTime: parseTime("2015-05-14 21:07:24.222"),
ChangeTime: parseTime("2015-05-14 21:07:25.333"),
},
{
Name: "testSuidFile2",
Type: restic.NodeTypeFile,
Content: restic.IDs{},
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0755 | os.ModeSetgid,
ModTime: parseTime("2015-05-14 21:07:23.111"),
AccessTime: parseTime("2015-05-14 21:07:24.222"),
ChangeTime: parseTime("2015-05-14 21:07:25.333"),
},
{
Name: "testSticky",
Type: restic.NodeTypeFile,
Content: restic.IDs{},
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0755 | os.ModeSticky,
ModTime: parseTime("2015-05-14 21:07:23.111"),
AccessTime: parseTime("2015-05-14 21:07:24.222"),
ChangeTime: parseTime("2015-05-14 21:07:25.333"),
},
{
Name: "testDir",
Type: restic.NodeTypeDir,
Subtree: nil,
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0750 | os.ModeDir,
ModTime: parseTime("2015-05-14 21:07:23.111"),
AccessTime: parseTime("2015-05-14 21:07:24.222"),
ChangeTime: parseTime("2015-05-14 21:07:25.333"),
},
{
Name: "testSymlink",
Type: restic.NodeTypeSymlink,
LinkTarget: "invalid",
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0777 | os.ModeSymlink,
ModTime: parseTime("2015-05-14 21:07:23.111"),
AccessTime: parseTime("2015-05-14 21:07:24.222"),
ChangeTime: parseTime("2015-05-14 21:07:25.333"),
},
// include "testFile" and "testDir" again with slightly different
// metadata, so we can test if CreateAt works with pre-existing files.
{
Name: "testFile",
Type: restic.NodeTypeFile,
Content: restic.IDs{},
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0604,
ModTime: parseTime("2005-05-14 21:07:03.111"),
AccessTime: parseTime("2005-05-14 21:07:04.222"),
ChangeTime: parseTime("2005-05-14 21:07:05.333"),
},
{
Name: "testDir",
Type: restic.NodeTypeDir,
Subtree: nil,
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0750 | os.ModeDir,
ModTime: parseTime("2005-05-14 21:07:03.111"),
AccessTime: parseTime("2005-05-14 21:07:04.222"),
ChangeTime: parseTime("2005-05-14 21:07:05.333"),
},
{
Name: "testXattrFile",
Type: restic.NodeTypeFile,
Content: restic.IDs{},
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0604,
ModTime: parseTime("2005-05-14 21:07:03.111"),
AccessTime: parseTime("2005-05-14 21:07:04.222"),
ChangeTime: parseTime("2005-05-14 21:07:05.333"),
ExtendedAttributes: []restic.ExtendedAttribute{
{Name: "user.foo", Value: []byte("bar")},
},
},
{
Name: "testXattrDir",
Type: restic.NodeTypeDir,
Subtree: nil,
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0750 | os.ModeDir,
ModTime: parseTime("2005-05-14 21:07:03.111"),
AccessTime: parseTime("2005-05-14 21:07:04.222"),
ChangeTime: parseTime("2005-05-14 21:07:05.333"),
ExtendedAttributes: []restic.ExtendedAttribute{
{Name: "user.foo", Value: []byte("bar")},
},
},
{
Name: "testXattrFileMacOSResourceFork",
Type: restic.NodeTypeFile,
Content: restic.IDs{},
UID: uint32(os.Getuid()),
GID: uint32(os.Getgid()),
Mode: 0604,
ModTime: parseTime("2005-05-14 21:07:03.111"),
AccessTime: parseTime("2005-05-14 21:07:04.222"),
ChangeTime: parseTime("2005-05-14 21:07:05.333"),
ExtendedAttributes: []restic.ExtendedAttribute{
{Name: "com.apple.ResourceFork", Value: []byte("bar")},
},
},
}
func TestNodeRestoreAt(t *testing.T) {
tempdir := t.TempDir()
for _, test := range nodeTests {
t.Run("", func(t *testing.T) {
var nodePath string
if test.ExtendedAttributes != nil {
if runtime.GOOS == "windows" {
// In windows extended attributes are case insensitive and windows returns
// the extended attributes in UPPER case.
// Update the tests to use UPPER case xattr names for windows.
extAttrArr := test.ExtendedAttributes
// Iterate through the array using pointers
for i := 0; i < len(extAttrArr); i++ {
extAttrArr[i].Name = strings.ToUpper(extAttrArr[i].Name)
}
}
for _, attr := range test.ExtendedAttributes {
if strings.HasPrefix(attr.Name, "com.apple.") && runtime.GOOS != "darwin" {
t.Skipf("attr %v only relevant on macOS", attr.Name)
}
}
// tempdir might be backed by a filesystem that does not support
// extended attributes
nodePath = test.Name
defer func() {
_ = os.Remove(nodePath)
}()
} else {
nodePath = filepath.Join(tempdir, test.Name)
}
rtest.OK(t, NodeCreateAt(&test, nodePath))
// Restore metadata, restoring all xattrs
rtest.OK(t, NodeRestoreMetadata(&test, nodePath, func(msg string) { rtest.OK(t, fmt.Errorf("Warning triggered for path: %s: %s", nodePath, msg)) },
func(_ string) bool { return true }))
fs := &Local{}
meta, err := fs.OpenFile(nodePath, O_NOFOLLOW, true)
rtest.OK(t, err)
n2, err := meta.ToNode(false)
rtest.OK(t, err)
n3, err := meta.ToNode(true)
rtest.OK(t, err)
rtest.OK(t, meta.Close())
rtest.Assert(t, n2.Equals(*n3), "unexpected node info mismatch %v", cmp.Diff(n2, n3))
rtest.Assert(t, test.Name == n2.Name,
"%v: name doesn't match (%v != %v)", test.Type, test.Name, n2.Name)
rtest.Assert(t, test.Type == n2.Type,
"%v: type doesn't match (%v != %v)", test.Type, test.Type, n2.Type)
rtest.Assert(t, test.Size == n2.Size,
"%v: size doesn't match (%v != %v)", test.Size, test.Size, n2.Size)
if runtime.GOOS != "windows" {
rtest.Assert(t, test.UID == n2.UID,
"%v: UID doesn't match (%v != %v)", test.Type, test.UID, n2.UID)
rtest.Assert(t, test.GID == n2.GID,
"%v: GID doesn't match (%v != %v)", test.Type, test.GID, n2.GID)
if test.Type != restic.NodeTypeSymlink {
// On OpenBSD only root can set sticky bit (see sticky(8)).
if runtime.GOOS != "openbsd" && runtime.GOOS != "netbsd" && runtime.GOOS != "solaris" && test.Name == "testSticky" {
rtest.Assert(t, test.Mode == n2.Mode,
"%v: mode doesn't match (0%o != 0%o)", test.Type, test.Mode, n2.Mode)
}
}
}
AssertFsTimeEqual(t, "AccessTime", test.Type, test.AccessTime, n2.AccessTime)
AssertFsTimeEqual(t, "ModTime", test.Type, test.ModTime, n2.ModTime)
if len(n2.ExtendedAttributes) == 0 {
n2.ExtendedAttributes = nil
}
rtest.Assert(t, reflect.DeepEqual(test.ExtendedAttributes, n2.ExtendedAttributes),
"%v: xattrs don't match (%v != %v)", test.Name, test.ExtendedAttributes, n2.ExtendedAttributes)
})
}
}
func AssertFsTimeEqual(t *testing.T, label string, nodeType restic.NodeType, t1 time.Time, t2 time.Time) {
var equal bool
// Go currently doesn't support setting timestamps of symbolic links on darwin and bsd
if nodeType == restic.NodeTypeSymlink {
switch runtime.GOOS {
case "darwin", "freebsd", "openbsd", "netbsd", "solaris":
return
}
}
switch runtime.GOOS {
case "darwin":
// HFS+ timestamps don't support sub-second precision,
// see https://en.wikipedia.org/wiki/Comparison_of_file_systems
diff := int(t1.Sub(t2).Seconds())
equal = diff == 0
default:
equal = t1.Equal(t2)
}
rtest.Assert(t, equal, "%s: %s doesn't match (%v != %v)", label, nodeType, t1, t2)
}
func TestNodeRestoreMetadataError(t *testing.T) {
tempdir := t.TempDir()
node := &nodeTests[0]
nodePath := filepath.Join(tempdir, node.Name)
// This will fail because the target file does not exist
err := NodeRestoreMetadata(node, nodePath, func(msg string) { rtest.OK(t, fmt.Errorf("Warning triggered for path: %s: %s", nodePath, msg)) },
func(_ string) bool { return true })
test.Assert(t, errors.Is(err, os.ErrNotExist), "failed for an unexpected reason")
}
|
