#!/bin/bash
#
# Copyright (C) 2009 Red Hat, Inc.
# Copyright (c) 2000-2002,2006 Silicon Graphics, Inc.  All Rights Reserved.
#
# 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.
#
# This program is distributed in the hope that it would 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/>.
#
#
# Control script for QA
#

tmp=/tmp/$$
status=0
needwrap=true
try=0
n_bad=0
bad=""
notrun=""
interrupt=true

# by default don't output timestamps
timestamp=${TIMESTAMP:=false}

# generic initialization
iam=check

# we need common.config
if ! . ./common.config
then
    echo "$iam: failed to source common.config"
    exit 1
fi

# we need common
. ./common

# we need common.rc
if ! . ./common.rc
then
    echo "check: failed to source common.rc"
    exit 1
fi

#if [ `id -u` -ne 0 ]
#then
#    echo "check: QA must be run as root"
#    exit 1
#fi

_wallclock()
{
    date "+%H %M %S" | $AWK_PROG '{ print $1*3600 + $2*60 + $3 }'
}

_timestamp()
{
    now=`date "+%T"`
    echo -n " [$now]"
}

_wrapup()
{
    # for hangcheck ...
    # remove files that were used by hangcheck
    #
    [ -f /tmp/check.pid ] && rm -rf /tmp/check.pid
    [ -f /tmp/check.sts ] && rm -rf /tmp/check.sts

    if $showme
    then
	:
    elif $needwrap
    then
	if [ -f check.time -a -f $tmp.time ]
	then
	    cat check.time $tmp.time \
	    | $AWK_PROG '
	{ t[$1] = $2 }
END	{ if (NR > 0) {
	    for (i in t) print i " " t[i]
	  }
	}' \
	    | sort -n >$tmp.out
	    mv $tmp.out check.time
	fi

	if [ -f $tmp.expunged ]
	then
	    notrun=`wc -l <$tmp.expunged | sed -e 's/  *//g'`
	    try=`expr $try - $notrun`
	    list=`echo "$list" | sed -f $tmp.expunged`
	fi

	echo "" >>check.log
	date >>check.log
	echo $list | fmt | sed -e 's/^/    /' >>check.log
	$interrupt && echo "Interrupted!" >>check.log
        
	if [ ! -z "$notrun" ]
	then
	    echo "Not run:$notrun"
	    echo "Not run:$notrun" >>check.log
	fi
        if [ ! -z "$n_bad" -a $n_bad != 0 ]
	then
	    echo "Failures:$bad"
	    echo "Failed $n_bad of $try tests"
	    echo "Failures:$bad" | fmt >>check.log
	    echo "Failed $n_bad of $try tests" >>check.log
	else
	    echo "Passed all $try tests"
	    echo "Passed all $try tests" >>check.log
	fi
	needwrap=false
    fi

    rm -f /tmp/*.out /tmp/*.err /tmp/*.time
    rm -f /tmp/check.pid /tmp/check.sts
    rm -f $tmp.*
}

trap "_wrapup; exit \$status" 0 1 2 3 15

# for hangcheck ...
# Save pid of check in a well known place, so that hangcheck can be sure it
# has the right pid (getting the pid from ps output is not reliable enough).
#
rm -rf /tmp/check.pid
echo $$ >/tmp/check.pid

# for hangcheck ...
# Save the status of check in a well known place, so that hangcheck can be
# sure to know where check is up to (getting test number from ps output is
# not reliable enough since the trace stuff has been introduced).
#
rm -rf /tmp/check.sts
echo "preamble" >/tmp/check.sts

# don't leave old full output behind on a clean run
rm -f check.full

[ -f check.time ] || touch check.time

FULL_IMGFMT_DETAILS=`_full_imgfmt_details`
FULL_HOST_DETAILS=`_full_platform_details`
#FULL_MKFS_OPTIONS=`_scratch_mkfs_options`
#FULL_MOUNT_OPTIONS=`_scratch_mount_options`

cat <<EOF
IMGFMT        -- $FULL_IMGFMT_DETAILS
PLATFORM      -- $FULL_HOST_DETAILS

EOF
#MKFS_OPTIONS  -- $FULL_MKFS_OPTIONS
#MOUNT_OPTIONS -- $FULL_MOUNT_OPTIONS

seq="check"

[ -n "$TESTS_REMAINING_LOG" ] && echo $list > $TESTS_REMAINING_LOG

for seq in $list
do
    err=false
    echo -n "$seq"
    if [ -n "$TESTS_REMAINING_LOG" ] ; then
        sed -e "s/$seq//" -e 's/  / /' -e 's/^ *//' $TESTS_REMAINING_LOG > $TESTS_REMAINING_LOG.tmp
        mv $TESTS_REMAINING_LOG.tmp $TESTS_REMAINING_LOG
        sync
    fi

    if $showme
    then
	echo
	continue
    elif [ -f expunged ] && $expunge && egrep "^$seq([ 	]|\$)" expunged >/dev/null
    then
	echo " - expunged"
	rm -f $seq.out.bad
	echo "/^$seq\$/d" >>$tmp.expunged
    elif [ ! -f $seq ]
    then
	echo " - no such test?"
	echo "/^$seq\$/d" >>$tmp.expunged
    else
	# really going to try and run this one
	#
	rm -f $seq.out.bad
	lasttime=`sed -n -e "/^$seq /s/.* //p" <check.time`
	if [ "X$lasttime" != X ]; then
		echo -n " ${lasttime}s ..."
	else
		echo -n "	"	# prettier output with timestamps.
	fi
	rm -f core $seq.notrun

	# for hangcheck ...
	echo "$seq" >/tmp/check.sts

	start=`_wallclock`
	$timestamp && echo -n "	["`date "+%T"`"]"
	[ ! -x $seq ] && chmod u+x $seq # ensure we can run it
	./$seq >$tmp.out 2>&1
	sts=$?
	$timestamp && _timestamp
	stop=`_wallclock`

	if [ -f core ]
	then
	    echo -n " [dumped core]"
	    mv core $seq.core
	    err=true
	fi

	if [ -f $seq.notrun ]
	then
	    $timestamp || echo -n " [not run] "
	    $timestamp && echo " [not run]" && echo -n "	$seq -- "
	    cat $seq.notrun
	    notrun="$notrun $seq"
	else
	    if [ $sts -ne 0 ]
	    then
		echo -n " [failed, exit status $sts]"
		err=true
	    fi
	    if [ ! -f $seq.out ]
	    then
		echo " - no qualified output"
		err=true
	    else
		if diff $seq.out $tmp.out >/dev/null 2>&1
		then
		    echo ""
		    if $err
		    then
			:
		    else
			echo "$seq `expr $stop - $start`" >>$tmp.time
		    fi
		else
		    echo " - output mismatch (see $seq.out.bad)"
		    mv $tmp.out $seq.out.bad
		    $diff $seq.out $seq.out.bad
		    err=true
		fi
	    fi
	fi

    fi

    # come here for each test, except when $showme is true
    #
    if $err
    then
	bad="$bad $seq"
	n_bad=`expr $n_bad + 1`
	quick=false
    fi
    [ -f $seq.notrun ] || try=`expr $try + 1`
    
    seq="after_$seq"
done

interrupt=false
status=`expr $n_bad`
exit