#!/bin/sh
#
#	aegis - project change supervisor
#	Copyright (C) 2004, 2006-2008 Peter Miller
#
#	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 3 of the License, 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/>.
#

unset AEGIS_PROJECT
unset AEGIS_CHANGE
unset AEGIS_PATH
unset AEGIS
umask 022

LINES=24
export LINES
COLS=80
export COLS

USER=${USER:-${LOGNAME:-`whoami`}}

work=${AEGIS_TMP:-/tmp}/$$
PAGER=cat
export PAGER
AEGIS_FLAGS="delete_file_preference = no_keep; \
	lock_wait_preference = always; \
	diff_preference = automatic_merge; \
	pager_preference = never; \
	persevere_preference = all; \
	log_file_preference = never;"
export AEGIS_FLAGS
AEGIS_THROTTLE=-1
export AEGIS_THROTTLE

here=`pwd`
if test $? -ne 0 ; then exit 2; fi

if test "$1" != "" ; then bin="$here/$1/bin"; else bin="$here/bin"; fi

if test "$EXEC_SEARCH_PATH" != ""
then
    tpath=
    hold="$IFS"
    IFS=":$IFS"
    for tpath2 in $EXEC_SEARCH_PATH
    do
	tpath=${tpath}${tpath2}/${1-.}/bin:
    done
    IFS="$hold"
    PATH=${tpath}${PATH}
else
    PATH=${bin}:${PATH}
fi
export PATH

pass()
{
	set +x
	echo PASSED 1>&2
	cd $here
	find $work -type d -user $USER -exec chmod u+w {} \;
	rm -rf $work
	exit 0
}
fail()
{
	set +x
	echo "FAILED test of the aemeasure functionality ($activity)" 1>&2
	cd $here
	find $work -type d -user $USER -exec chmod u+w {} \;
	rm -rf $work
	exit 1
}
no_result()
{
	set +x
	echo "NO RESULT when testing the aemeasure functionality ($activity)" 1>&2
	cd $here
	find $work -type d -user $USER -exec chmod u+w {} \;
	rm -rf $work
	exit 2
}
trap \"no_result\" 1 2 3 15

activity="create test directory"
mkdir $work $work/lib
if test $? -ne 0 ; then no_result; fi
chmod 777 $work/lib
if test $? -ne 0 ; then no_result; fi
cd $work
if test $? -ne 0 ; then no_result; fi

#
# use the built-in error messages
#
AEGIS_MESSAGE_LIBRARY=$work/no-such-dir
export AEGIS_MESSAGE_LIBRARY
unset LANG
unset LANGUAGE

#
# test the aemeasure functionality
#
activity="something descriptive"
cat > test.in << 'fubar'
one
two
three
# four
fubar
if test $? -ne 0 ; then no_result; fi

cat > test.ok << 'fubar'
metrics = [
{ name = "lines"; value = 4; },
{ name = "code_lines"; value = 4; },
{ name = "comment_lines"; value = 0; },
{ name = "blank_lines"; value = 0; },
];
fubar
if test $? -ne 0 ; then no_result; fi

aemeasure < test.in > test.out 2>&1
if test $? -ne 0 ; then cat test.out; fail; fi

diff test.ok test.out
if test $? -ne 0 ; then fail; fi

#
# Only definite negatives are possible.
# The functionality exercised by this test appears to work,
# no other guarantees are made.
#
pass