t/self-check-me.tap

#! /bin/sh
# Copyright (C) 2011-2024 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# Sanity check for the automake testsuite.
# Make sure that $me gets automatically defined by 'test-init.sh'.

am_create_testdir=no
. test-init.sh

plan_ 12

# This test becomes cumbersome if we keep the 'errexit' shell flag set.
# And removing it is no big deal, as this test is a TAP-based one, so
# that false positives remain very unlikely.
set +e

do_check ()
{
  $AM_TEST_RUNNER_SHELL -c '
    am_create_testdir=no # Do not pollute the top-level directory.
   . test-init.sh
    echo me=$me
  ' "$1" | grep "^me=$2$"
  command_ok_ "me=$1" test $? -eq 0
}

for e in sh tap; do
  do_check foo-bar-.$e 'foo-bar-'
  do_check _foo__bar.$e '_foo__bar'
  do_check 012.$e '012'
  do_check a.b.c.$e 'a\.b\.c'
done

do_check foo.bar 'foo\.bar'
do_check abc. 'abc\.'

# A definition of $me in the environment should be ignored.

s=$(me=bad $AM_TEST_RUNNER_SHELL -c '
  # Do not pollute the top-level directory.
  am_create_testdir=no
 . test-init.sh
  echo me=$me
' foo.sh)
command_ok_ "override of \$me before test-init.sh causes no error" \
            test $? -eq 0

r='ok'
printf '%s\n' "$s" | grep '^me=foo$' || r='not ok'
printf '%s\n' "$s" | grep 'me=bad'   && r='not ok'
result_ "$r" "\$me from the environment is ignored"
unset r

: