#! /bin/sh
# Copyright (C) 2007, 2008, 2010 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 <http://www.gnu.org/licenses/>.

# Test Automake TESTS color output, using the expect(1) program.
# Keep this in sync with the sister test `color.test'.

. ./defs || Exit 1

set -e

TERM=ansi
export TERM

red=''
grn=''
lgn=''
blu=''
std=''

# Check that grep can parse nonprinting characters.
# BSD 'grep' works from a pipe, but not a seekable file.
# GNU or BSD 'grep -a' works on files, but is not portable.
case `echo "$std" | grep .` in
  "$std") ;;
  *) echo "$me: grep can't parse nonprinting characters" >&2; Exit 77;;
esac

# Check that we have a working expect program.
cat >expect-check <<'END'
#! /usr/bin/expect -f
spawn $env(THE_SYSTEM_SHELL) -c :
expect eof
END
THE_SYSTEM_SHELL=/bin/sh expect -f expect-check || {
    echo "$me: failed to find a working expect program" >&2
    Exit 77
}

# Do the tests.

cat >>configure.in <<END
AC_OUTPUT
END

cat >Makefile.am <<'END'
AUTOMAKE_OPTIONS = color-tests
TESTS = $(check_SCRIPTS)
check_SCRIPTS = pass fail skip xpass xfail
XFAIL_TESTS = xpass xfail
END

cat >pass <<END
#! /bin/sh
exit 0
END

cat >fail <<END
#! /bin/sh
exit 1
END

cat >skip <<END
#! /bin/sh
exit 77
END

cp fail xfail
cp pass xpass
chmod +x pass fail skip xpass xfail

$ACLOCAL
$AUTOMAKE
$AUTOCONF
./configure

test_color ()
{
  # Not a useless use of cat; see above comments about grep.
  cat stdout | grep ": pass" | $FGREP "$grn"
  cat stdout | grep ": fail" | $FGREP "$red"
  cat stdout | grep ": xfail" | $FGREP "$lgn"
  cat stdout | grep ": xpass" | $FGREP "$red"
  cat stdout | grep ": skip" | $FGREP "$blu"
}

test_no_color ()
{
  # Not a useless use of cat; see above comments about grep.
  cat stdout | grep ": pass" | $FGREP "$grn" && Exit 1
  cat stdout | grep ": fail" | $FGREP "$red" && Exit 1
  cat stdout | grep ": xfail" | $FGREP "$lgn" && Exit 1
  cat stdout | grep ": xpass" | $FGREP "$red" && Exit 1
  cat stdout | grep ": skip" | $FGREP "$blu" && Exit 1
  :
}

cat >expect-make <<'END'
#! /usr/bin/expect -f
spawn $env(MAKE) -e check
expect eof
END

MAKE=$MAKE expect -f expect-make >stdout \
  || { cat stdout; Exit 1; }
cat stdout
test_color

AM_COLOR_TESTS=no MAKE=$MAKE expect -f expect-make >stdout \
  || { cat stdout; Exit 1; }
cat stdout
test_no_color