tests/df/df-output.sh

   1 #!/bin/sh
   2 # Exercise df's --output option.
   3
   4 # Copyright (C) 2012-2025 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ df
  21
  22 # Ensure that --output is mutually exclusive with -i, -P, and -T.
  23 # Ensure that this limitation is not depending on the order of options.
  24 cat <<\EOF > exp || framework_failure_
  25 df: options OPT and --output are mutually exclusive
  26 Try 'df --help' for more information.
  27 EOF
  28
  29 df -i --output '.' 2>out && fail=1
  30 sed 's/ -i / OPT /' out > out2
  31 compare exp out2 || fail=1
  32
  33 df --output -i '.' 2>out && fail=1
  34 sed 's/ -i / OPT /' out > out2
  35 compare exp out2 || fail=1
  36
  37 df -P --output '.' 2>out && fail=1
  38 sed 's/ -P / OPT /' out > out2
  39 compare exp out2 || fail=1
  40
  41 df --output -P '.' 2>out && fail=1
  42 sed 's/ -P / OPT /' out > out2
  43 compare exp out2 || fail=1
  44
  45 df -T --output '.' 2>out && fail=1
  46 sed 's/ -T / OPT /' out > out2
  47 compare exp out2 || fail=1
  48
  49 df --output -T '.' 2>out && fail=1
  50 sed 's/ -T / OPT /' out > out2
  51 compare exp out2 || fail=1
  52
  53 # Ensure that each field is only used once for the --output argument.
  54 cat <<\EOF > exp || framework_failure_
  55 df: option --output: field 'target' used more than once
  56 Try 'df --help' for more information.
  57 EOF
  58
  59 df --output=target,source,target '.' 2>out && fail=1
  60 compare exp out || fail=1
  61
  62 # Ensure that this limitation also works for split --output options.
  63 df --out=target,source --out=target '.' 2>out && fail=1
  64 compare exp out || fail=1
  65
  66 # Ensure that the full output includes all fields, and
  67 # that --o (without argument) is identical to the full list.
  68
  69 cat <<\EOF > exp || framework_failure_
  70 Filesystem Type Inodes IUsed IFree IUse% Size Used Avail Use% File Mounted on
  71 EOF
  72
  73 df -h --o=source,fstype,itotal,iused,iavail,ipcent \
  74  --o=size,used,avail,pcent,file,target '.' >out || fail=1
  75 sed -e '1 {
  76           s/ [ ]*/ /g
  77           q
  78         }' out > out2
  79 compare exp out2 || fail=1
  80
  81 df -h --output '.' >out || fail=1
  82 sed -e '1 {
  83           s/ [ ]*/ /g
  84           q
  85         }' out > out2
  86 compare exp out2 || fail=1
  87
  88 # Ensure that --output indicates the block size
  89 # when not using --human-readable
  90 cat <<\EOF > exp || framework_failure_
  91 1K-blocks
  92 EOF
  93
  94 df -B1K --output=size '.' >out || fail=1
  95 sed -e '1 {
  96           s/ *//
  97           q
  98         }' out > out2
  99 compare exp out2 || fail=1
 100
 101 # Ensure that the grand total line now contains a "-" in the TARGET field ...
 102 cat <<\EOF > exp || framework_failure_
 103 -
 104 EOF
 105
 106 df --output=source,target --total '.' >out || fail=1
 107 sed -n -e '3 {
 108              s/^total[ ]*//
 109              p
 110              q
 111            }' out > out2
 112 compare exp out2 || fail=1
 113
 114 # ... but it should read "total" if there is no SOURCE field.
 115 cat <<\EOF > exp || framework_failure_
 116 total
 117 EOF
 118
 119 df --output=target --total '.' >out || fail=1
 120 sed -n -e '3 {
 121              p
 122              q
 123            }' out > out2
 124 compare exp out2 || fail=1
 125
 126 # Ensure that --output is mentioned in the usage.
 127 df --help > out || fail=1
 128 grep ' --output' out >/dev/null || { fail=1; cat out; }
 129
 130 # Ensure that the FILE field contains the argument.
 131 cat <<\EOF > exp || framework_failure_
 132 .
 133 exp
 134 EOF
 135
 136 df --output=file '.' exp >out || fail=1
 137 sed '1d' out > out2
 138 compare exp out2 || fail=1
 139
 140 Exit $fail