#! /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
#
#
test_mpi2=0
runtests=1
quiet=0
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 $margs"
	;;
	-small)
	makeeach=1
	;;
	-quiet)
	shift
	quiet=1
	;;
	-help|-u)
	echo "runtests [-checkonly] [-margs='...']"
	echo "run tests in this directory.  If -checkonly set, just run"
	echo "the differences check (do NO rerun the test programs)."
	echo "If -margs is used, these options are passed to mpirun."
	echo "If -small is used, the examples are built, run, and deleted."
	exit 1
	;;
	*)
	if test -n "$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
        if [ ! -x $1 ] ; then 
	    echo "Could not build executable $1; aborting tests"
	    exit 1
        fi
    fi
}
CleanExe() {
    if [ $makeeach = 1 ] ; then
	/bin/rm $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 attrt -a $makeeach = 0 -a $runtests = 1 ] ; then
    $MAKE default
fi

testfiles=""
if [ $runtests = 1 ] ; then

#
# Run Fortran tests ONLY if Fortran available
if [ 1 = 1 ] ; then 
    RunTest attrtest 2 "*** Testing attributes from Fortran ***"

    if [ $test_mpi2 = 1 ] ; then
       RunTest commnamesf 1 "*** Testing Communicator Names from Fortran ***"
    fi
fi

RunTest attrt 2 "*** Testing attributes ***"

RunTest attrerr 1 "*** Testing attributes (2) ***"

RunTest grouptest 4 "*** Testing Groups ***"

RunTest groupcreate 4 "*** Testing Group creation ***"

RunTest ictest 4 "*** Testing Intercommunicators ***"

#
# ictest2 relies on a inconsistency in the standard, to wit, that the
# leader in both groups can be the same process.  This seems to be
# essential in a dynamic setting, since the only process both groups can
# access may be the single parent process (other than using client/server
# intercommunicator creating routines, with the parent providing the common
# information).
#
#testfiles="$testfiles ictest2.out"
#/bin/rm -f ictest2.out
#MakeExe ictest2
#echo '*** Testing Intercommunicators (2) ***'
#echo '*** Testing Intercommunicators (2) ***' >> ictest2.out
#$mpirun $args -np 4 ictest2 $* >> ictest2.out 2>&1
#echo '*** Testing Intercommunicators (2) ***' >> ictest2.out
#CleanExe ictest2

RunTest ictest3 4 "*** Testing Intercommunicators (3) ***"

if [ $test_mpi2 = 1 ] ; then

    RunTest commnames 2 "*** Testing Communicator Names ***"
fi
else
    # Just run checks
    testfiles=`echo *.out`
fi

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



