mirror of
https://github.com/restic/restic.git
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148 lines
3.7 KiB
Go
148 lines
3.7 KiB
Go
//go:build !windows
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// +build !windows
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package fs
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import (
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"io/fs"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"syscall"
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"testing"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/restic"
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rtest "github.com/restic/restic/internal/test"
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)
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func stat(t testing.TB, filename string) (fi os.FileInfo, ok bool) {
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fi, err := os.Lstat(filename)
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if err != nil && os.IsNotExist(err) {
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return fi, false
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}
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if err != nil {
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t.Fatal(err)
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}
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return fi, true
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}
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func checkFile(t testing.TB, fi fs.FileInfo, node *restic.Node) {
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t.Helper()
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stat := fi.Sys().(*syscall.Stat_t)
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if uint32(node.Mode.Perm()) != uint32(stat.Mode&0777) {
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t.Errorf("Mode does not match, want %v, got %v", stat.Mode&0777, node.Mode)
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}
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if node.Inode != uint64(stat.Ino) {
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t.Errorf("Inode does not match, want %v, got %v", stat.Ino, node.Inode)
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}
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if node.DeviceID != uint64(stat.Dev) {
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t.Errorf("Dev does not match, want %v, got %v", stat.Dev, node.DeviceID)
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}
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if node.Size != uint64(stat.Size) && node.Type != restic.NodeTypeSymlink {
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t.Errorf("Size does not match, want %v, got %v", stat.Size, node.Size)
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}
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if node.Links != uint64(stat.Nlink) {
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t.Errorf("Links does not match, want %v, got %v", stat.Nlink, node.Links)
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}
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if node.UID != stat.Uid {
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t.Errorf("UID does not match, want %v, got %v", stat.Uid, node.UID)
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}
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if node.GID != stat.Gid {
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t.Errorf("UID does not match, want %v, got %v", stat.Gid, node.GID)
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}
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// use the os dependent function to compare the timestamps
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s := ExtendedStat(fi)
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if node.ModTime != s.ModTime {
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t.Errorf("ModTime does not match, want %v, got %v", s.ModTime, node.ModTime)
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}
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if node.ChangeTime != s.ChangeTime {
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t.Errorf("ChangeTime does not match, want %v, got %v", s.ChangeTime, node.ChangeTime)
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}
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if node.AccessTime != s.AccessTime {
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t.Errorf("AccessTime does not match, want %v, got %v", s.AccessTime, node.AccessTime)
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}
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}
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func checkDevice(t testing.TB, fi fs.FileInfo, node *restic.Node) {
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stat := fi.Sys().(*syscall.Stat_t)
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if node.Device != uint64(stat.Rdev) {
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t.Errorf("Rdev does not match, want %v, got %v", stat.Rdev, node.Device)
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}
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}
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func TestNodeFromFileInfo(t *testing.T) {
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tmp := t.TempDir()
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symlink := filepath.Join(tmp, "symlink")
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rtest.OK(t, os.Symlink("target", symlink))
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type Test struct {
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filename string
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canSkip bool
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}
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var tests = []Test{
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{"node_test.go", false},
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{"/dev/sda", true},
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{symlink, false},
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}
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// on darwin, users are not permitted to list the extended attributes of
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// /dev/null, therefore skip it.
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// on solaris, /dev/null is a symlink to a device node in /devices
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// which does not support extended attributes, therefore skip it.
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if runtime.GOOS != "darwin" && runtime.GOOS != "solaris" {
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tests = append(tests, Test{"/dev/null", true})
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}
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for _, test := range tests {
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t.Run("", func(t *testing.T) {
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fi, found := stat(t, test.filename)
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if !found && test.canSkip {
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t.Skipf("%v not found in filesystem", test.filename)
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return
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}
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if fi.Sys() == nil {
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t.Skip("fi.Sys() is nil")
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return
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}
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fs := &Local{}
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node, err := fs.NodeFromFileInfo(test.filename, fi, false)
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if err != nil {
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t.Fatal(err)
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}
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switch node.Type {
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case restic.NodeTypeFile, restic.NodeTypeSymlink:
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checkFile(t, fi, node)
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case restic.NodeTypeDev, restic.NodeTypeCharDev:
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checkFile(t, fi, node)
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checkDevice(t, fi, node)
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default:
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t.Fatalf("invalid node type %q", node.Type)
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}
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})
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}
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}
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func TestMknodError(t *testing.T) {
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d := t.TempDir()
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// Call mkfifo, which calls mknod, as mknod may give
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// "operation not permitted" on Mac.
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err := mkfifo(d, 0)
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rtest.Assert(t, errors.Is(err, os.ErrExist), "want ErrExist, got %q", err)
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rtest.Assert(t, strings.Contains(err.Error(), d), "filename not in %q", err)
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}
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