#!/bin/bash

# Copyright (C) 2010 Karel Zak <kzak@redhat.com>

TS_TOPDIR="$(dirname $0)/../.."
TS_DESC="context (utab)"

. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_skip_nonroot

TESTPROG="$TS_HELPER_LIBMOUNT_CONTEXT"
LABEL=libmount-test
UUID=$(uuidgen)
MOUNTPOINT="$TS_MOUNTPOINT"

[ -x $TESTPROG ] || ts_skip "test not compiled"

modprobe --dry-run --quiet scsi_debug
[ "$?" == 0 ] || ts_skip "missing scsi_debug module"

ts_log "Init device"
rmmod scsi_debug &> /dev/null
modprobe scsi_debug dev_size_mb=260
[ "$?" == 0 ] || ts_die "Cannot init device"

sleep 3

DEVNAME=$(grep scsi_debug /sys/block/*/device/model | awk -F '/' '{print $4}')
[ "x${DEVNAME}" == "x" ] && ts_die "Cannot find device"

DEVICE="/dev/${DEVNAME}"

ts_log "Create partitions"
$TS_CMD_FDISK ${DEVICE} >> /dev/null 2>&1 <<EOF
n
p
1


w
q
EOF

DEVICE="/dev/${DEVNAME}1"

sleep 3

ts_log "Create filesystem"
mkfs.ext4 -L "$LABEL" -U "$UUID" $DEVICE &> /dev/null

ts_log "Do tests..."

export LIBMOUNT_MTAB=$TS_OUTPUT.mtab
rm -f $LIBMOUNT_MTAB
ln -s /proc/mounts $LIBMOUNT_MTAB

export LIBMOUNT_UTAB=$TS_OUTPUT.utab
rm -f $LIBMOUNT_UTAB
> $LIBMOUNT_UTAB


ts_init_subtest "mount-by-devname"
mkdir -p $MOUNTPOINT &>  /dev/null
ts_valgrind $TESTPROG --mount $DEVICE $MOUNTPOINT >> $TS_OUTPUT 2>&1
grep -q $DEVICE /proc/mounts || \
	echo "(by device) cannot find $DEVICE in /proc/mounts" >> $TS_OUTPUT 2>&1
ts_finalize_subtest

sleep 1

ts_init_subtest "umount-by-devname"
ts_valgrind $TESTPROG --umount $DEVICE >> $TS_OUTPUT 2>&1
grep -q $DEVICE /proc/mounts &&
	echo "umount (device) failed: found $DEVICE in /proc/mounts" >> $TS_OUTPUT 2>&1
ts_finalize_subtest


ts_init_subtest "mount-uhelper"
mkdir -p $MOUNTPOINT &>  /dev/null
ts_valgrind $TESTPROG --mount -o uhelper=foo,rw LABEL="$LABEL" $MOUNTPOINT >> $TS_OUTPUT 2>&1
grep -q $DEVICE $LIBMOUNT_UTAB || \
	echo "(by label) cannot find $DEVICE in $LIBMOUNT_UTAB" >> $TS_OUTPUT 2>&1
ts_finalize_subtest

sleep 1

ts_init_subtest "umount"
ts_valgrind $TESTPROG --umount $MOUNTPOINT >> $TS_OUTPUT 2>&1
grep -q $DEVICE $LIBMOUNT_UTAB && \
	echo "umount (mountpoint) failed: found $DEVICE in $LIBMOUNT_UTAB" >> $TS_OUTPUT 2>&1
ts_finalize_subtest

if [ -x "/sbin/mkfs.btrfs" ]; then
	ts_log "Create filesystem [btrfs]"
	/sbin/mkfs.btrfs -L "$LABEL" $DEVICE &> /dev/null
	mount -t btrfs $DEVICE $MOUNTPOINT &> /dev/null
	/sbin/btrfsctl -S sub $MOUNTPOINT &> /dev/null
	umount $MOUNTPOINT &> /dev/null

	sleep 1

	ts_init_subtest "mount-uhelper-subvol"
	mkdir -p $MOUNTPOINT &>  /dev/null
	ts_valgrind $TESTPROG --mount -o uhelper=foo,rw,subvol=sub $DEVICE  $MOUNTPOINT >> $TS_OUTPUT 2>&1
	grep -q $DEVICE $LIBMOUNT_UTAB || \
		echo "cannot find $DEVICE in $LIBMOUNT_UTAB" >> $TS_OUTPUT 2>&1
	ts_finalize_subtest

	ts_log "All mount options (btrfs subvolume + utab) ---"
	$TS_CMD_FINDMNT --mtab $MOUNTPOINT -o OPTIONS -n >> $TS_OUTPUT 2>&1
	ts_log "---"

	sleep 1

	ts_init_subtest "umount-subvol"
	ts_valgrind $TESTPROG --umount $MOUNTPOINT >> $TS_OUTPUT 2>&1
	grep -q $DEVICE $LIBMOUNT_UTAB && \
		echo "umount (mountpoint) failed: found $DEVICE in $LIBMOUNT_UTAB" >> $TS_OUTPUT 2>&1
	ts_finalize_subtest
fi

ts_log "...done."
rmmod scsi_debug
ts_finalize