#! /bin/sh
#
# Run some of the tests.  If any arguments are provided, pass them to the
# test programs.
#
# -mvhome is needed for the ANL SP, and is ignored by others
args="-mvhome"
device=ch_gm
if [ "$device" = "ch_p4mpd" ] ; then
    args=""
fi
STOPFILE=$HOME/.stopmpichtests
#
# Some people don't include "." in their path (! in case an ls trojan horse,
# I guess - if someone does that to you, you have bigger problems).  This
# code tests to see if you have a path to mpirun; if not, it tries ./mpirun.
#
# One particular problem is having multiple mpiruns in the path.  An
# absolute path for mpirun will fix many problems
mpirun="/usr/rels/mpich-1.2..4pre2/bin/mpirun"
if [ -z "$MPICH_USE_LIB_MPIRUN" -a ! -x "$mpirun" ] ; then
    IFS="${IFS= 	}"; saveifs="$IFS"; IFS="${IFS}:"
    for dir in $PATH ; do 
        if [ -x $dir/mpirun ] ; then
	    if [ -n "" ] ; then
		# Test that we've found the correct mpirun
		if strings $dir/mpirun | grep "MPIRUN for MPICH" > /dev/null ; then
		    :
		else
		    # echo "$dir/mpirun isn't for MPICH"
		    continue
		fi
	    fi
            mpirun="mpirun"
            break
        fi
    done
    IFS="$saveifs"
fi
if [ -z "$mpirun" -a -x "./mpirun" ] ; then
    mpirun=./mpirun
fi
#
# Here is the location of the MPICH version of mpirun
if [ -z "$mpirun" -a -x ./bin/mpirun ] ; then 
    mpirun="./bin/mpirun"
fi
if [ -z "$mpirun" ] ; then
    echo "No mpirun in path.  Testing can not proceed."
    exit 1
fi
#
quiet=0
runtests=1
makeeach=0
MAKE="make --no-print-directory"
for arg in "$@" ; do
    case $arg in 
	-checkonly )
	runtests=0
	;;
        -margs=*)
	margs=`echo $arg | sed 's/-margs=//'`
	args="$args $margs"
	;;
	-small)
	makeeach=1
	shift
	;;
	-quiet)
	shift
	quiet=1
	;;
	-help|-u)
	echo "runtests [-checkonly] [-margs='...']"
	echo "run tests in this directory.  If -checkonly set, just run"
	echo "the differences check (do NO rerun the test programs)."
	echo "If -margs is used, these options are passed to mpirun."
	echo "If -small is used, the examples are built, run, and deleted."
	exit 1
	;;
	*)
	if test -n "$arg" ; then
   	    echo "runtests: Unknown argument ($arg)"
	    exit 1
        fi
	;;
    esac
done

MakeExe() {
    if [ -s $STOPFILE ] ; then 
        echo "Found stopfile; exiting"
	exit 0
    fi
    if [ ! -x $1 ] ; then
	$MAKE $1
    fi
}
CleanExe() {
    if [ $makeeach = 1 ] ; then
	/bin/rm -f $1 $1.o
    fi
}
# Output marker
OutTime() {
    if [ $quiet = 0 ] ; then
	if [ -z "$hostname" ] ; then
	    hostname=`hostname`
	fi
	d=`date`
	echo "$hostname : $d"
    fi
}

# Runtest pgm-name np marker-test args outfiles
RunTest() {
    OutTime
    testfiles="$testfiles $1.out"
    /bin/rm -f $1.out
    MakeExe $1
    mname=$3
    if [ -z "$mname" ] ; then mname="*** $1 ***" ; fi
    echo "$mname" >> $1.out
    echo "$mname"
    mvarg=""
    if [ -n "$5" ] ; then rm -f $5 ; 
	if [ "$device" != "ch_p4mpd" ] ; then
            if [ -n "-mvback" ] ; then mvarg="-mvback $5" ; fi 
        fi
    fi
    $mpirun $args -np $2 $mvarg $1 $4 </dev/null >> $1.out 2>&1
    if [ -n "$5" ] ; then cat $5 >> $1.out ; rm -f $5 ; fi
    echo "$mname" >> $1.out
    #CheckOutput $1
    CleanExe $1
}

# If the programs are not available, run make.
if [ ! -x sigchk -a $makeeach = 0 -a $runtests = 1 ] ; then
    $MAKE default
fi
#
testfiles=""
if [ $runtests = 1 ] ; then

RunTest timers 1 "*** Timer tests ***"

RunTest init 2 "*** MPI_Initialized tests ***"

RunTest baseattr 1 "*** Basic attributes ***"

RunTest gtime 1 "*** WTIME_IS_GLOBAL ***"

RunTest errhand 1 "*** Tests of error handling ***"

RunTest errhand2 1 "*** Tests of error handling reference counting ***"

RunTest sigchk 1 "*** Tests of signals used ***"

OutTime
testfiles="$testfiles cmdline.out"
/bin/rm -f cmdline.out
MakeExe cmdline
echo "*** Tests of command line handling ***"
echo "*** Tests of command line handling ***" >> cmdline.out
$mpirun $args -np 2 cmdline a "b c" "d'e" 'f"g" h' $* </dev/null l>> cmdline.out 2>&1
echo "*** Tests of command line handling ***" >> cmdline.out
CleanExe cmdline

#
# If there was a Unix standard interface to ps, we could check for orphaned
# processes...
if ps -ef > /dev/null 2>&1 ; then
   PSPGM="ps -ef"
else
   PSPGM="ps auxww"
fi
OutTime
testfiles="$testfiles aborttest.out"
/bin/rm -f aborttest.out aborttest.p1 aborttest.p2
MakeExe aborttest
echo "*** Tests of MPI_Abort ***"
echo "*** Tests of MPI_Abort ***" >> aborttest.out
$PSPGM | grep $LOGNAME > aborttest.p1
$mpirun $args -np 2 aborttest $* < /dev/null > /dev/null 2>&1
$PSPGM | grep $LOGNAME > aborttest.p2
# If there was a consistant format, we could process it ...
ndiff="`cat aborttest.p1 | wc -l` - `cat aborttest.p2 | wc -l`"
ndiff=`expr $ndiff`
if test "$ndiff" = 0 ; then
    echo "All processes aborted" >> aborttest.out    
else
    echo "Suspicious processes remain" >> aborttest.out
    echo "Processes before" >> aborttest.out
    cat aborttest.p1 >> aborttest.out
    echo "Processes after" >> aborttest.out
    cat aborttest.p2 >> aborttest.out
    echo "Differences are" >> aborttest.out
    diff -b aborttest.p1 aborttest.p2 >> aborttest.out
fi
echo "*** Tests of MPI_Abort ***" >> aborttest.out
CleanExe aborttest

OutTime
/bin/rm -f aborttest.p1 aborttest.p2
echo "*** Tests of MPI_Abort (alt) ***"
echo "*** Tests of MPI_Abort (alt) ***" >> aborttest.out
$PSPGM | grep $LOGNAME > aborttest.p1
$mpirun $args -np 2 aborttest -altmaster $* > /dev/null 2>&1
$PSPGM | grep $LOGNAME > aborttest.p2
ndiff="`cat aborttest.p1 | wc -l` - `cat aborttest.p2 | wc -l`"
ndiff=`expr $ndiff`
if test "$ndiff" = 0 ; then
    echo "All processes aborted" >> aborttest.out    
else
    echo "Suspicious processes remain" >> aborttest.out
    echo "Processes before" >> aborttest.out
    cat aborttest.p1 >> aborttest.out
    echo "Processes after" >> aborttest.out
    cat aborttest.p2 >> aborttest.out
fi
echo "*** Tests of MPI_Abort (alt) ***" >> aborttest.out
/bin/rm -f aborttest.p1 aborttest.p2
CleanExe aborttest

#
# Run Fortran tests ONLY if Fortran available
if [ 1 = 1 ] ; then 

    OutTime
    testfiles="$testfiles errstringsf.out"
    /bin/rm -f errstringsf.out
    MakeExe errstringsf
    echo "*** Tests of Fortran error strings ***"
    echo "*** Tests of  Fortran error strings ***" >> errstringsf.out
    $mpirun $args -np 1 errstringsf $* >> errstringsf.out 2>&1
    echo "*** Tests of  Fortran error strings ***" >> errstringsf.out
    CleanExe errstringsf

fi

else
    # Just run checks
    testfiles=*.out
    if test "$testfiles" eq "*.out" ; then
	echo "No output files remain from previous test!"
	exit 1
    fi
fi

#
echo '*** Checking for differences from expected output ***'
/bin/rm -f env.diff
nodiff=1
srcdir=/usr/rels/mpich-1.2..4pre2/examples/test/env
for file in $testfiles ; do
    stdfile=$srcdir/`basename $file .out`.std
    if [ -s $stdfile ] ; then
        if diff -b $file $stdfile > /dev/null ; then
	    true
        else
	    echo "Differences in `basename $file .out`" >> env.diff
	    diff -b $file $stdfile >> env.diff
	    nodiff=0
	fi
    else
        echo "Cannot find file $stdfile to compare against for test `basename $file .out`"
    fi
done
if [ -s env.diff ] ; then
   cat env.diff
elif [ $nodiff = 1 ] ; then
   echo "-- No differences found; test successful"
fi
exit 0
