#! /bin/sh
# Copyright (C) 2011-2018 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/>.

# Check that the developer can extend the site.exp generated by the
# automake-generated Makefile.

required=runtest
. test-init.sh

write_check_for ()
{
  echo "send_user \"$1: \$$1\\n\""
  unindent << END
    if { \$$1 == "/$1/" } {
        pass "test_$1"
    } else {
        fail "test_$1"
    }
END
}

cat >> configure.ac << 'END'
AC_OUTPUT
END

cat > Makefile.am << 'END'
AUTOMAKE_OPTIONS = dejagnu
DEJATOOL = tool

EXTRA_DIST = tool.test/tool.exp

EXTRA_DEJAGNU_SITE_CONFIG = foo.exp
EXTRA_DIST += foo.exp
END

echo 'set foo "/foo/"' > foo.exp

mkdir tool.test
write_check_for foo > tool.test/tool.exp
cat tool.test/tool.exp

$ACLOCAL
$AUTOCONF
$AUTOMAKE --add-missing

./configure

$MAKE check
cat foo.exp
cat site.exp
grep 'PASS: test_foo' tool.sum

write_check_for bar >> tool.test/tool.exp
write_check_for baz >> tool.test/tool.exp
cat tool.test/tool.exp

# Ensure that foo.exp will be newer than site.exp, which will
# thus have to be remade.
$sleep
# With this, below we'll also check that settings in files coming later in
# $(EXTRA_DEJAGNU_SITE_CONFIG) override those in files coming earlier.
cat >> foo.exp <<'END'
set bar "/foo/"
set baz "/foo/"
set qux "/foo/"
END

$MAKE check && { cat site.exp; exit 1; }
grep 'PASS: test_foo' tool.sum
grep 'FAIL: test_bar' tool.sum
grep 'FAIL: test_baz' tool.sum

cat >> Makefile.am << 'END'
EXTRA_DEJAGNU_SITE_CONFIG += bar bar.dir/bar
EXTRA_DIST += bar
DISTCLEANFILES = bar.dir/bar
bar.dir/bar:
	test -d bar.dir || mkdir bar.dir
	echo 'set baz "/baz/"' > $@
END

echo 'set bar "/bar/"' > bar
# This will allow us to check one more time that settings in files
# coming later in $(EXTRA_DEJAGNU_SITE_CONFIG) override those in
# files coming earlier.
echo 'set baz "/xyz/"' >> bar

# Ensure that the Makefile will be newer than site.exp, which will
# thus have to be remade.
$sleep
$AUTOMAKE Makefile
./config.status Makefile

$MAKE check || { cat site.exp; exit 1; }
cat site.exp
cat bar.dir/bar
$FGREP '/bar/' site.exp
$FGREP '/baz/' site.exp
grep 'PASS: test_foo' tool.sum
grep 'PASS: test_bar' tool.sum
grep 'PASS: test_baz' tool.sum

# Check that the features we're testing behave well in VPATH builds.
$MAKE distcheck

# Check that the user can edit the site.exp file, and that his edits
# are retained.
write_check_for zardoz >> tool.test/tool.exp
cat tool.test/tool.exp
echo 'set zardoz "/zardoz/"' >> site.exp

$MAKE check
cat site.exp
grep 'PASS: test_zardoz' tool.sum

cat >> Makefile.am << 'END'
EXTRA_DEJAGNU_SITE_CONFIG += quux.exp
quux.exp:
	echo 'set zardoz "/quux/"' > $@
END

# Ensure that the Makefile will be newer than on site.exp, which will
# thus have to be remade.
$sleep
$AUTOMAKE Makefile
./config.status Makefile
grep 'zardoz.*/quux/' Makefile

$MAKE site.exp
cat site.exp
cat quux.exp
grep 'zardoz.*/quux/' site.exp

$MAKE check
grep 'PASS: test_zardoz' tool.sum
grep 'zardoz: /zardoz/' tool.log
grep 'zardoz.*quux' tool.log && exit 1

# Check that files in $(EXTRA_DEJAGNU_SITE_CONFIG) are not distributed
# by default.
$MAKE distdir
ls -l $distdir
test ! -e $distdir/bar.dir/bar
test ! -e $distdir/quux.exp

: