tests/df/total-unprocessed.sh

   1 #!/bin/sh
   2 # Ensure that df exits non-Zero and writes an error message when
   3 # --total is used but no file system has been processed.
   4
   5 # Copyright (C) 2012-2023 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  21 print_ver_ df
  22 require_mount_list_
  23
  24 cat <<\EOF > exp || framework_failure_
  25 df: no file systems processed
  26 EOF
  27
  28 # Check we exit with non-Zero.
  29 # Note we don't check when the file system can't be determined
  30 # as -t filtering is not applied in that case.
  31 if test "$(df --output=fstype . | tail -n1)" != '-'; then
  32   df -t _non_existent_fstype_ --total . 2>out && fail=1
  33   compare exp out || fail=1
  34 fi
  35
  36 cat <<\EOF > exp || framework_failure_
  37 df: _does_not_exist_: No such file or directory
  38 EOF
  39
  40 # Ensure that df writes the error message also in the following case.
  41 df --total _does_not_exist_ 2>out && fail=1
  42 compare exp out || fail=1
  43
  44 Exit $fail