#!/bin/sh

# Are we running as root?
unset ROOT
if [ "`id -u`" = 0 ]
then	ROOT=yes
fi

# Initialization
PATH=:/bin:/usr/bin:/sbin
export PATH

rm -rf DIR*			# remove any old junk lying around
passed=`expr 0`			# count number of tests run correctly
failed=`expr 0`			# count number of tests that failed
skipped=`expr 0`		# count number of tests that were skipped
total=`expr 0`			# total number of tests tried
badones=			# list of tests that failed

# In the lists below, shell scripts should be listed without ".sh" suffix

# Programs that require setuid
setuids="test11 test33 test43 test44 test46 test56 test60 test61 test65 \
	 test69 test76 test73 test74 test77 test78"
# Scripts that require to be run as root
rootscripts="testisofs testvnd"

alltests="1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 \
         21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
         41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 \
         61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 \
	 sh1 sh2 interp mfs isofs vnd"
tests_no=`expr 0`

# If root, make sure the setuid tests have the correct permissions
# and make the dir bin-owned.
if [ "$ROOT" ]
then	/usr/sbin/chown bin .
	/usr/sbin/chown root ${setuids}
	chmod 4755 ${setuids}
fi

tests=$alltests

# Are we given any args? If so, we might have to give
# or change our testlist
while getopts 'lt:T' opt
do
	case $opt in
	l)	echo "$alltests"
		exit 0
		;;
	t)      tests="$OPTARG"
		;;
	T)	tapmode=yes
		diagprefix="# "
		;;
	?)      echo "Usage: run [-l] [-t testlist] [-T]" >&2
		echo "	-l: list tests, exit" >&2
		echo "	-t: execute given set of tests, default: all" >&2
		echo "	-T: produce TAP-format output" >&2
		exit 1
	esac
done

# Count tests
for i in `echo $tests`; do
   if [ -x ./test$i -o -x ./test${i}.sh ]; then
      tests_no=`expr $tests_no + 1`
   fi
done

if [  $tests_no -eq 0 ]
then
	echo "No test binaries found. did you compile?"
	exit 1
fi

# Print tests list whenever user asks for TAP mode. It is up
# to the caller to make sure it makes sense, i.e. he knows what it
# represents.
if [ "$tapmode" ]
then	echo "1..$tests_no"
fi

if [ "$tests" = "$alltests" ]
then	# Print test welcome message
	if [ ! "$tapmode" ]; then clear; fi
	echo -n "${diagprefix}Running POSIX compliance test suite. "
	echo "There are $tests_no tests in total."
	echo "${diagprefix}"
fi

# Provide an argument for test63
ARGS_63=`pwd`/mod

runtest() {
	i=$1
	ARG=$2
	# setuid doesn't work with scripts, so we can only run those as root
	if echo "$rootscripts" | tr ' ' '\n' | grep "^test${i}\$" >/dev/null
	then needroot=1
	else needroot=0
	fi
	# depending on where we are, scripts might have a .sh suffix or not
	if [ -x test${i}.sh ]
	then NAME=./test${i}.sh
	else NAME=./test$i
	fi
	if [ "$ROOT" ]
	then
		if [ $needroot -eq 1 ]
		then $NAME $ARG || return 1
		else su bin -c "$NAME $ARG" || return 1
		fi
	else
		if [ $needroot -eq 1 ]
		then echo "skipping test$i, not root." >&2 && return 0
		else $NAME $ARG || return 1
		fi
	fi
	return 0
}

# Run all the tests, keeping track of who failed.
for i in `echo $tests`
do
   if [ -x ./test$i -o -x ./test${i}.sh ]
   then
      total=`expr $total + 1`
      FAIL=0
      ARG=`eval echo "\\${ARGS_$i}"`

      if [ "$tapmode" ]
      then	out=out.$$
		rm -f $out
		runtest $i $ARG >$out 2>&1
      else	runtest $i $ARG
      fi	

      FAIL=$?

      if [ $FAIL -eq 0 ]
         then	if [ "$tapmode" ]
		then	echo "ok test $i"
		fi
		passed=`expr $passed + 1`
         else	if [ "$tapmode" ]
		then	echo "not ok test $i"
		fi
		failed=`expr $failed + 1`
		badones=`echo $badones " " $i`
      fi

      if [ "$tapmode" ]
      then	cat $out | sed "s/^/$diagprefix/"
		rm -f $out
      fi
   else
      echo "${diagprefix}warning: skipping test$i"
      skipped=`expr $skipped + 1` 
   fi
done

# Print results of the tests.
if [ "$tests" = "$alltests" ]
then	echo "${diagprefix}"
	if test $total = $passed
	   then echo "${diagprefix}All $passed tests completed without error ($skipped skipped)."
	   else echo "${diagprefix}Testing completed. Score: $passed passed, $failed failed, skipped $skipped"
	        echo "${diagprefix}The following tests failed: $badones"
	fi
fi

# if any test failed return an error
if [ $failed -gt 0 ] 
then
	exit 1
fi

# echo " "