apfstests/check

#!/bin/bash
#
# Control script for QA
#
# 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, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
#

tmp=/tmp/$$
status=0
needwrap=true
n_try=0
try=""
n_bad=0
bad=""
notrun=""
interrupt=true
diff="diff -u"
showme=false
have_test_arg=false
randomize=false
here=`pwd`
FSTYP=xfs
xfile=""

# start the initialisation work now
iam=check

export MSGVERB="text:action"
export QA_CHECK_FS=${QA_CHECK_FS:=true}

# number of diff lines from a failed test, 0 for whole output
export DIFF_LENGTH=${DIFF_LENGTH:=10}

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

rm -f $tmp.list $tmp.tmp $tmp.grep $here/$iam.out $tmp.xlist

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

# Autodetect fs type based on what's on $TEST_DEV
if [ "$HOSTOS" == "Linux" ]; then
    FSTYP=`blkid -c /dev/null -s TYPE -o value $TEST_DEV`
fi
export FSTYP

SUPPORTED_TESTS="[0-9][0-9][0-9] [0-9][0-9][0-9][0-9]"
SRC_GROUPS="generic shared"
export SRC_DIR="tests"
export RESULT_BASE=${RESULT_BASE:="$here/results"}

usage()
{
    echo "Usage: $0 [options] [testlist]"'

check options
    -xfs                test XFS (default)
    -udf                test UDF
    -nfs                test NFS
    -l			line mode diff
    -udiff		show unified diff (default)
    -n			show me, do not run tests
    -T			output timestamps
    -r			randomize test order
    --large-fs		optimise scratch device for large filesystems

testlist options
    -g group[,group...]	include tests from these groups
    -x group[,group...]	exclude tests from these groups
    -X file		exclude individual tests
    [testlist]		include tests matching names in testlist
'
	    exit 0
}

get_group_list()
{
	grp=$1

	for d in $SRC_GROUPS $FSTYP; do
		l=$(sed -n < $SRC_DIR/$d/group \
			-e 's/#.*//' \
			-e 's/$/ /' \
			-e "s;\(^[0-9][0-9][0-9]\).* $grp .*;$SRC_DIR/$d/\1;p")
		grpl="$grpl $l"
	done
	echo $grpl
}

# find all tests, excluding files that are test metadata such as group files.
# This assumes that tests are defined purely by alphanumeric filenames with no
# ".xyz" extensions in the name.
get_all_tests()
{
	touch $tmp.list
	for d in $SRC_GROUPS $FSTYP; do
		ls $SRC_DIR/$d/* | \
			grep -v "\..*" | \
			grep -v group >> $tmp.list 2>/dev/null
	done
}

# takes the list of tests to run in $tmp.list, and removes the tests passed to
# the function from that list.
trim_test_list()
{
	test_list="$*"

	rm -f $tmp.grep
	numsed=0
	for t in $test_list
	do
	    if [ $numsed -gt 100 ]; then
		grep -v -f $tmp.grep <$tmp.list >$tmp.tmp
		mv $tmp.tmp $tmp.list
		numsed=0
		rm -f $tmp.grep
	    fi
	    echo "^$t\$" >>$tmp.grep
	    numsed=`expr $numsed + 1`
	done
	grep -v -f $tmp.grep <$tmp.list >$tmp.tmp
	mv $tmp.tmp $tmp.list
}


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

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

# Process command arguments first.
while [ $# -gt 0 ]; do
	case "$1" in
	-\? | -h | --help) usage ;;

	-udf)	FSTYP=udf ;;
	-xfs)	FSTYP=xfs ;;
	-nfs)	FSTYP=nfs ;;

	-g)	group=$2 ; shift ;
		group_list=$(get_group_list $group)
		if [ -z "$group_list" ]; then
		    echo "Group \"$group\" is empty or not defined?"
		    exit 1
		fi

		[ ! -s $tmp.list ] && touch $tmp.list
		for t in $group_list; do
			grep -s "^$t\$" $tmp.list >/dev/null || \
							echo "$t" >>$tmp.list
		done

		;;

	-x)	xgroup=$2 ; shift ;

		# Note: behaviour is dependent on command line ordering of
		# -g and -x parameters. If there are no preceding -g commands,
		# this works on all tests, otherwise just the tests specified by
		# the early -g inclusions.
		[ ! -s $tmp.list ] && get_all_tests

		group_list=$(get_group_list $xgroup)
		if [ -z "$group_list" ]; then
		    echo "Group \"$xgroup\" is empty or not defined?"
		    exit 1
		fi

		trim_test_list $group_list
		;;

	-X)	xfile=$2; shift ;
		for d in $SRC_GROUPS $FSTYP; do
			[ -f $SRC_DIR/$d/$xfile ] || continue
			for f in `cat $SRC_DIR/$d/$xfile`; do
				echo $d/$f >> $tmp.xlist
			done
		done
		;;

	-l)	diff="diff" ;;
	-udiff)	diff="$diff -u" ;;

	-n)	showme=true ;;
        -r)	randomize=true ;;

	-T)	timestamp=true ;;

	--large-fs) export LARGE_SCRATCH_DEV=yes ;;
	--extra-space=*) export SCRATCH_DEV_EMPTY_SPACE=${r#*=} ;;

	-*)	usage ;;
	*)	# not an argument, we've got tests now.
		have_test_arg=true ;;
	esac

	# if we've found a test specification, the break out of the processing
	# loop before we shift the arguments so that this is the first argument
	# that we process in the test arg loop below.
	if $have_test_arg; then
		break;
	fi

	shift
done

# Process tests from command line now.
if $have_test_arg; then
	while [ $# -gt 0 ]; do
		case "$1" in
		-*)	echo "Argments before tests, please!"
			status=1
			exit $status
			;;
		*)	test_dir=`dirname $1`
			test_name=`basename $1`
			group_file=$SRC_DIR/$test_dir/group

			if grep "^$testname" $group_file >/dev/null ; then
				# in group file ... OK
				echo $SRC_DIR/$1 >>$tmp.list
			else
				# oops
				echo "$1 - unknown test, ignored"
			fi
			;;
		esac

		shift
	done
fi

if [ -s $tmp.list ]; then
    # found some valid test numbers ... this is good
    :
elif $have_test_arg; then
	# had test numbers, but none in group file ... do nothing
	touch $tmp.list
else
	# no test numbers, do everything from group file
	sed -n -e '/^[0-9][0-9][0-9]*/s/[ 	].*//p' <group >$tmp.list
fi

# sort the list of tests into numeric order
list=`sort -n $tmp.list`
rm -f $tmp.list $tmp.tmp $tmp.grep

if $randomize
then
    list=`echo $list | awk -f randomize.awk`
fi

# 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

# Ok, time to start running...

_wrapup()
{
    seq="check"
    check="$RESULT_BASE/check"

    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

	echo "" >>$check.log
	date >>$check.log
	echo $list | fmt | sed -e 's/^/    /' -e "s;$SRC_DIR/;;g" >>$check.log
	$interrupt && echo "Interrupted!" >>$check.log
        
        if [ ! -z "$n_try" -a $n_try != 0 ]
	then
	    echo "Ran:$try"
	fi

	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 $n_try tests"
	    echo "Failures:$bad" | fmt >>$check.log
	    echo "Failed $n_bad of $n_try tests" >>$check.log
	else
	    echo "Passed all $n_try tests"
	    echo "Passed all $n_try tests" >>$check.log
	fi
	needwrap=false
    fi

    rm -f /tmp/*.rawout /tmp/*.out /tmp/*.err /tmp/*.time
    rm -f $tmp.*
}

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

mkdir -p $RESULT_BASE
if [ ! -d $RESULT_BASE ]; then
	echo "failed to create results directory $RESULTS_BASE"
	exit 1;
fi

seq="check"
check="$RESULT_BASE/check"

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

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

# print out our test configuration
echo "FSTYP         -- `_full_fstyp_details`"
echo "PLATFORM      -- `_full_platform_details`"
if [ ! -z "$SCRATCH_DEV" ]; then
  echo "MKFS_OPTIONS  -- `_scratch_mkfs_options`"
  echo "MOUNT_OPTIONS -- `_scratch_mount_options`"
fi
echo


if [ ! -z "$SCRATCH_DEV" ]; then
  umount $SCRATCH_DEV 2>/dev/null
  # call the overridden mkfs - make sure the FS is built
  # the same as we'll create it later.

  if ! _scratch_mkfs $flag >$tmp.err 2>&1
  then
      echo "our local _scratch_mkfs routine ..."
      cat $tmp.err
      echo "check: failed to mkfs \$SCRATCH_DEV using specified options"
      exit 1
  fi

  # call the overridden mount - make sure the FS mounts with
  # the same options that we'll mount with later.
  if ! _scratch_mount >$tmp.err 2>&1
  then
      echo "our local mount routine ..."
      cat $tmp.err
      echo "check: failed to mount \$SCRATCH_DEV using specified options"
      exit 1
  fi
fi

seqres="$check"
_check_test_fs

for seq in $list
do
    err=false

    # the filename for the test and the name output are different.
    # we don't include the tests/ directory in the name output.
    seqnum=`echo $seq | sed -e "s;$SRC_DIR/;;"`

    # Similarly, the result directory needs to replace the tests/
    # part of the test location.
    group=`dirname $seq`
    export RESULT_DIR=`echo $group | sed -e "s;$SRC_DIR;$RESULT_BASE;"`
    mkdir -p $RESULT_DIR
    seqres="$RESULT_BASE/$seqnum"

    echo -n "$seqnum"

    if $showme
    then
	echo
	continue
    elif [ ! -f $seq ]
    then
	echo " - no such test?"
    else
	# really going to try and run this one
	#
	rm -f $seqres.out.bad

	# check if we really should run it
	if [ -s $tmp.xlist ]; then
		if grep $seqnum $tmp.xlist > /dev/null 2>&1 ; then
			echo "       [expunged]"
			continue
		fi
	fi

	# slashes now in names, sed barfs on them so use grep
	lasttime=`grep -w ^$seqnum $check.time | awk '// {print $2}'`
	if [ "X$lasttime" != X ]; then
		echo -n " ${lasttime}s ..."
	else
		echo -n "	"	# prettier output with timestamps.
	fi
	rm -f core $seqres.notrun

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

	_fix_malloc <$tmp.rawout >$tmp.out
	rm -f $tmp.rawout

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

	if [ -f $seqres.notrun ]
	then
	    $timestamp || echo -n " [not run] "
	    $timestamp && echo " [not run]" && echo -n "	$seqnum -- "
	    cat $seqres.notrun
	    notrun="$notrun $seqnum"
	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
		    if $err
		    then
			:
		    else
			echo "$seqnum `expr $stop - $start`" >>$tmp.time
			echo -n " `expr $stop - $start`s"
		    fi
		    echo ""
		else
		    echo " - output mismatch (see $seqres.out.bad)"
		    mv $tmp.out $seqres.out.bad
		    $diff $seq.out $seqres.out.bad | {
		        if test "$DIFF_LENGTH" -le 0; then
				cat
			else
				head -n "$DIFF_LENGTH"
			fi; } | \
			sed -e 's/^\(.\)/    \1/'
		    echo "     ..."
		    echo "     (Run '$diff $seq.out $seqres.out.bad' to see the" \
			 "entire diff)"
		    err=true
		fi
	    fi
	fi

    fi

    # come here for each test, except when $showme is true
    #
    if $err
    then
	bad="$bad $seqnum"
	n_bad=`expr $n_bad + 1`
	quick=false
    fi
    if [ ! -f $seqres.notrun ]
    then
	try="$try $seqnum"
	n_try=`expr $n_try + 1`
        _check_test_fs
    fi

    seq="after_$seqnum"
done

interrupt=false
status=`expr $n_bad`
exit