tests/misc/nohup

   1 #!/bin/sh
   2 # test nohup
   3
   4 # Copyright (C) 2003, 2006-2011 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 <http://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/init.sh"; path_prepend_ ../src
  20 print_ver_ nohup
  21
  22
  23 nohup sh -c 'echo stdout; echo stderr 1>&2' 2>err || fail=1
  24
  25 # Be careful.  The results of the above nohup command
  26 # change depending on whether stdin and stdout are redirected.
  27 if test -t 1; then
  28   test "`cat nohup.out`" = stdout || fail=1
  29   if test -t 0; then
  30     echo 'nohup: ignoring input and appending output to `nohup.out'\'
  31   else
  32     echo 'nohup: appending output to `nohup.out'\'
  33   fi >exp || fail=1
  34 else
  35   # Here it should not even exist.
  36   test -f nohup.out && fail=1
  37   if test -t 0; then
  38     echo 'nohup: ignoring input' >exp
  39   else
  40     rm -f exp
  41   fi || fail=1
  42 fi
  43 echo 'stderr' >> exp || fail=1
  44
  45 compare exp err || fail=1
  46 rm -f nohup.out err exp
  47 # ----------------------
  48
  49 # Be careful.  The results of the following nohup command
  50 # change depending on whether stderr is redirected.
  51 nohup sh -c 'echo stdout; echo stderr 1>&2' >out || fail=1
  52 if test -t 2; then
  53   test "`cat out|tr '\n' -`" = stdout-stderr- || fail=1
  54 else
  55   test "`cat out|tr '\n' -`" = stdout- || fail=1
  56 fi
  57 # It must *not* exist.
  58 test -f nohup.out && fail=1
  59 rm -f nohup.out err
  60 # ----------------------
  61
  62 # Bug present through coreutils 8.0: failure to print advisory message
  63 # to stderr must be fatal.  Requires stdout to be terminal.
  64 if test -w /dev/full && test -c /dev/full; then
  65 (
  66   exec >/dev/tty
  67   test -t 1 || exit 0
  68   nohup echo hi 2> /dev/full
  69   test $? = 125 || fail=1
  70   test -f nohup.out || fail=1
  71   test -s nohup.out && fail=1
  72   rm -f nohup.out
  73   exit $fail
  74 ) || fail=1
  75 fi
  76
  77 nohup no-such-command 2> err
  78 errno=$?
  79 if test -t 1; then
  80   test $errno = 127 || fail=1
  81   # It must exist.
  82   test -f nohup.out || fail=1
  83   # It must be empty.
  84   test -s nohup.out && fail=1
  85 fi
  86
  87 cat <<\EOF > exp || fail=1
  88 nohup: appending output to `nohup.out'
  89 nohup: cannot run command `no-such-command': No such file or directory
  90 EOF
  91 # Disable these comparisons.  Too much variation in 2nd line.
  92 # compare exp err || fail=1
  93 rm -f nohup.out err exp
  94 # ----------------------
  95
  96 touch k; chmod 0 k
  97 nohup ./k 2> err
  98 errno=$?
  99 test $errno = 126 || fail=1
 100 if test -t 1; then
 101   # It must exist.
 102   test -f nohup.out || fail=1
 103   # It must be empty.
 104   test -s nohup.out && fail=1
 105 fi
 106
 107 cat <<\EOF > exp || fail=1
 108 nohup: appending output to `nohup.out'
 109 nohup: cannot run command `./k': Permission denied
 110 EOF
 111 # Disable these comparisons.  Too much variation in 2nd line.
 112 # compare exp err || fail=1
 113
 114 # Make sure it fails with exit status of 125 when given too few arguments,
 115 # except that POSIX requires 127 in this case.
 116 nohup >/dev/null 2>&1
 117 test $? = 125 || fail=1
 118 POSIXLY_CORRECT=1 nohup >/dev/null 2>&1
 119 test $? = 127 || fail=1
 120
 121 Exit $fail