tests/test-init.sh

   1 #!/bin/sh
   2 # Unit tests for init.sh
   3 # Copyright (C) 2011-2024 Free Software Foundation, Inc.
   4 # This file is part of the GNUlib Library.
   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 : "${srcdir=.}"
  20 . "$srcdir/init.sh"; path_prepend_ .
  21
  22 fail=0
  23
  24 test_compare()
  25 {
  26   touch empty || fail=1
  27   echo xyz > in || fail=1
  28
  29   compare /dev/null /dev/null >out 2>err || fail=1
  30   test -s out && fail_ "out not empty: $(cat out)"
  31   # "err" should be empty, too, but has "set -x" output when VERBOSE=yes
  32   case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
  33
  34   compare /dev/null empty >out 2>err || fail=1
  35   test -s out && fail_ "out not empty: $(cat out)"
  36   case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
  37
  38   compare in in >out 2>err || fail=1
  39   test -s out && fail_ "out not empty: $(cat out)"
  40   case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
  41
  42   compare /dev/null in >out 2>err && fail=1
  43   cat <<\EOF > exp
  44 diff -u /dev/null in
  45 --- /dev/null   1970-01-01
  46 +++ in  1970-01-01
  47 +xyz
  48 EOF
  49   compare exp out || fail=1
  50   case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
  51
  52   compare empty in >out 2>err && fail=1
  53   # Compare against expected output only if compare is using diff -u.
  54   if grep @ out >/dev/null; then
  55     # Remove the TAB-date suffix on each --- and +++ line,
  56     # for both the expected and the actual output files.
  57     # Also remove the @@ line, since Solaris 5.10 and GNU diff formats differ:
  58     # -@@ -0,0 +1 @@
  59     # +@@ -1,0 +1,1 @@
  60     # Also, remove space after leading '+', since AIX 7.1 diff outputs a space.
  61     sed 's/     .*//;/^@@/d;s/^+ /+/' out > k && mv k out
  62     cat <<\EOF > exp
  63 --- empty
  64 +++ in
  65 +xyz
  66 EOF
  67     compare exp out || fail=1
  68   fi
  69   case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
  70 }
  71
  72 test_compare
  73
  74 Exit $fail