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#!/bin/sh
#
# The regression-test driver script.  This used to be explicit in the
# makefile before we regrouped the regression tests by stable and unstable 
# drivers.
#
PATH=.:$PATH
export PATH

mode=regress
opts=""
while getopts strbvo:n opt
do
    case $opt in
	s) mode=regress ;;	# Run regression tests
	t) opts="-b $opts" mode=regress ;;	# Run regression tests w/baton
	r) mode=superraw ;;	# Run superraw regressions (r=2 mode)
	b) mode=build ;;	# Rebuild regression check files
	v) mode=view ;;		# View result of generating a check file
	o) opts="$opts $OPTARG" ;;	# Pass options to gpsfake
	n) do=echo ;;		# Just echo commands, don't do them
    esac
done
shift $(($OPTIND - 1))

# Enables us to turn debugging up high without screwing up the diff checks
GPSFILTER='^GPSD,X|^gpsd:|^gpsfake:|^GPS DATA'

case $mode in
    regress)
        echo "Testing the daemon..."
        errors=0; total=0; notfound=0;
        for f in $*; do
            dir=`dirname $f`
	    if [ -r $f.chk ]
	    then
		$do gpsfake -s 38400 -1 -p $opts ${f} | egrep -v "${GPSFILTER}" >$dir/test.chk;
		$do sed <$dir/test.chk >$dir/test-trunc.chk -e '$d'
		diff -ub ${f}.chk $dir/test.chk >$dir/diff
		diff -ub ${f}.chk $dir/test-trunc.chk >>$dir/diff
		if test -s $dir/diff; then :; else
		    errors=`expr $errors + 1`;
		fi;
	    else
		echo "*** No check log $f.chk exists"
		notfound=`expr $notfound + 1`;
	    fi
	    total=`expr $total + 1`;
        done; 
	$do rm -f $dir/test.chk;
        if test $errors -gt 0; then
            echo "Regression test FAILED: $errors errors in $total tests total  ($notfound not found).";
            exit 1;
        else
            echo "Regression test successful: no errors in $total tests ($notfound not found).";
            exit 0;
        fi
        ;;
    superraw)
        echo "Testing super-raw mode..."
        for f in $*; do
            dir=`dirname $f`
            $do gpsfake -s 38400 -1 -b -p -r "r=2" $opts ${f} \
            | ./striplog -1 >$dir/test1.chk;
            $do ./striplog <$${f} >$dir/test2.chk;
            $do cmp $dir/test[12].chk;
        done; rm $dir/test[12].chk
        ;;
    build)
	echo "Rebuilding regressions..."
        for f in $*; do
            gpsfake -s 38400 -1 -b -p $opts ${f} | egrep -v "${GPSFILTER}" >${f}.chk;
        done
        exit 0
        ;;
    view)
        echo "Viewing..."
        for f in $*; do
            $do gpsfake -s 38400 -1 -b -p $opts ${f}
        done
        exit 0
        ;;
esac