83 lines · bash
1#!/bin/bash2# SPDX-License-Identifier: GPL-2.03#4# Run filesystem operations tests on an 1 MiB disk image that is formatted with5# 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 -e11set -u12set -o pipefail13 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 "${MNT_PATH}" && unmount_image22 rm -rf "${TMP_DIR}"23}24trap cleanup SIGINT SIGTERM EXIT25 26create_loopback()27{28 touch "${IMG_PATH}"29 chattr +C "${IMG_PATH}" >/dev/null 2>&1 || true30 31 truncate -s 1M "${IMG_PATH}"32 mkfs.vfat "${IMG_PATH}" >/dev/null 2>&133}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 "${old_path}" >/dev/null 2>&148 echo new | sudo tee "${new_path}" >/dev/null 2>&149 sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&150 sudo sync -f "${MNT_PATH}"51 grep new "${old_path}" >/dev/null 2>&152 grep old "${new_path}" >/dev/null 2>&153}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>&164 echo new | sudo tee "${new_path}" >/dev/null 2>&165 sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&166 sudo sync -f "${MNT_PATH}"67 grep new "${old_path}" >/dev/null 2>&168 grep old "${new_path}" >/dev/null 2>&169}70 71unmount_image()72{73 sudo umount "${MNT_PATH}" &> /dev/null74}75 76create_loopback77mount_image78rename_exchange_test79rename_exchange_subdir_test80unmount_image81 82exit 083