#!/bin/bash

TS_TOPDIR="$(dirname $0)/../.."
TS_DESC="umount"

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

#
# Note that eject --force is required because scsi_debug is 
# not removable device.
#

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

rmmod scsi_debug &> /dev/null

function init_device {
	modprobe scsi_debug dev_size_mb=100
	[ "$?" == 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"

	echo "/dev/${DEVNAME}"
	
}

function init_partitions {
	local dev=$1

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

+50M
n
p
2


p
w
EOF
	sleep 1
	mkfs.ext2 -q ${dev}1 
	mkfs.ext2 -q ${dev}2
}

function deinit_device {
	sleep 3
	rmmod scsi_debug
}


ts_init_subtest "by-disk"
DEVICE=$(init_device)
$TS_CMD_EJECT --force $DEVICE && ts_log "Success"
deinit_device
ts_finalize_subtest

ts_init_subtest "by-disk-mounted"
DEVICE=$(init_device)
mkfs.ext2 -q -F $DEVICE
mkdir -p $TS_MOUNTPOINT
mount $DEVICE $TS_MOUNTPOINT
sleep 1
$TS_CMD_EJECT --force $DEVICE && ts_log "Success"
deinit_device
ts_finalize_subtest


ts_init_subtest "by-disk-mounted-partition"
DEVICE=$(init_device)
init_partitions $DEVICE
mkdir -p ${TS_MOUNTPOINT}1
mkdir -p ${TS_MOUNTPOINT}2
mount ${DEVICE}1 ${TS_MOUNTPOINT}1
mount ${DEVICE}2 ${TS_MOUNTPOINT}2
$TS_CMD_EJECT --force $DEVICE && ts_log "Success"
deinit_device
ts_finalize_subtest


ts_init_subtest "by-partition"
DEVICE=$(init_device)
init_partitions $DEVICE
$TS_CMD_EJECT --force ${DEVICE}1 && ts_log "Success"
deinit_device
ts_finalize_subtest


ts_init_subtest "by-partition-mounted"
DEVICE=$(init_device)
init_partitions $DEVICE
mkdir -p ${TS_MOUNTPOINT}1
mkdir -p ${TS_MOUNTPOINT}2
mount ${DEVICE}1 ${TS_MOUNTPOINT}1
mount ${DEVICE}2 ${TS_MOUNTPOINT}2
$TS_CMD_EJECT --force ${DEVICE}1 && ts_log "Success"
deinit_device
ts_finalize_subtest


ts_finalize