1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3# 4# Run filesystem operations tests on an 1 MiB disk image that is formatted with 5# a vfat filesystem and mounted in a temporary directory using a loop device. 6# 7# Copyright 2022 Red Hat Inc. 8# Author: Javier Martinez Canillas <javierm@redhat.com> 9 10set -e 11set -u 12set -o pipefail 13 14BASE_DIR="$(dirname $0)" 15TMP_DIR="$(mktemp -d /tmp/fat_tests_tmp.XXXXXX)" 16IMG_PATH="${TMP_DIR}/fat.img" 17MNT_PATH="${TMP_DIR}/mnt" 18 19cleanup() 20{ 21 mountpoint -q "${MNT_PATH}" && unmount_image 22 rm -rf "${TMP_DIR}" 23} 24trap cleanup SIGINT SIGTERM EXIT 25 26create_loopback() 27{ 28 touch "${IMG_PATH}" 29 chattr +C "${IMG_PATH}" >/dev/null 2>&1 || true 30 31 truncate -s 1M "${IMG_PATH}" 32 mkfs.vfat "${IMG_PATH}" >/dev/null 2>&1 33} 34 35mount_image() 36{ 37 mkdir -p "${MNT_PATH}" 38 sudo mount -o loop "${IMG_PATH}" "${MNT_PATH}" 39} 40 41rename_exchange_test() 42{ 43 local rename_exchange="${BASE_DIR}/rename_exchange" 44 local old_path="${MNT_PATH}/old_file" 45 local new_path="${MNT_PATH}/new_file" 46 47 echo old | sudo tee "${old_path}" >/dev/null 2>&1 48 echo new | sudo tee "${new_path}" >/dev/null 2>&1 49 sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&1 50 sudo sync -f "${MNT_PATH}" 51 grep new "${old_path}" >/dev/null 2>&1 52 grep old "${new_path}" >/dev/null 2>&1 53} 54 55rename_exchange_subdir_test() 56{ 57 local rename_exchange="${BASE_DIR}/rename_exchange" 58 local dir_path="${MNT_PATH}/subdir" 59 local old_path="${MNT_PATH}/old_file" 60 local new_path="${dir_path}/new_file" 61 62 sudo mkdir -p "${dir_path}" 63 echo old | sudo tee "${old_path}" >/dev/null 2>&1 64 echo new | sudo tee "${new_path}" >/dev/null 2>&1 65 sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&1 66 sudo sync -f "${MNT_PATH}" 67 grep new "${old_path}" >/dev/null 2>&1 68 grep old "${new_path}" >/dev/null 2>&1 69} 70 71unmount_image() 72{ 73 sudo umount "${MNT_PATH}" &> /dev/null 74} 75 76create_loopback 77mount_image 78rename_exchange_test 79rename_exchange_subdir_test 80unmount_image 81 82exit 0 83