Function TestXattr

pkg/fs/fs_test.go:531–635

(t *testing.T)

}

func TestXattr(t *testing.T) {
	setxattr := func(path, attr string, data []byte, flags int) error {
		return ignoringEINTR(func() error {
			return syscallx.Setxattr(path, attr, data, flags)
		})
	}
	getxattr := func(path, attr string, data []byte) (sz int, err error) {
		err = ignoringEINTR(func() error {
			sz, err = syscallx.Getxattr(path, attr, data)
			return err
		})
		return
	}
	listxattr := func(path string, data []byte) (sz int, err error) {
		err = ignoringEINTR(func() error {
			sz, err = syscallx.Listxattr(path, data)
			return err
		})
		return
	}
	removexattr := func(path, attr string) (err error) {
		return ignoringEINTR(func() error {
			return syscallx.Removexattr(path, attr)
		})
	}

	condSkip(t)
	inEmptyMutDir(t, func(env *mountEnv, rootDir string) {
		name1 := filepath.Join(rootDir, "1")
		attr1 := "attr1"
		attr2 := "attr2"

		contents := []byte("Some file contents")

		if err := os.WriteFile(name1, contents, 0644); err != nil {
			t.Fatal(err)
		}

		buf := make([]byte, 8192)
		// list empty
		n, err := listxattr(name1, buf)
		if err != nil {
			t.Errorf("Error in initial listxattr: %v", err)
		}
		if n != 0 {
			t.Errorf("Expected zero-length xattr list, got %q", buf[:n])
		}

		// get missing
		n, err = getxattr(name1, attr1, buf)
		if err == nil {
			t.Errorf("Expected error getting non-existent xattr, got %q", buf[:n])
		}

		// Set (two different attributes)
		err = setxattr(name1, attr1, []byte("hello1"), 0)
		if err != nil {
			t.Fatalf("Error setting xattr: %v", err)