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| #!/bin/bash
| | Compression test script for [[QA:Testcase_squashfs-tools_compression | testing squashfs-tools]]. |
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| |
|
| # We need rpmdev-vercmp
| | [[Category:Test Scripts]] |
| rpm -q rpmdevtools > /dev/null 2>&1 || (echo 'rpmdev-vercmp from rpmdevtools is needed to run this script, aborting.'; exit 1)
| |
| | |
| # Define block sizes
| |
| blocks=(4K 1M)
| |
| | |
| # Define fill files
| |
| fill=(/dev/zero /dev/urandom)
| |
| | |
| # Define number of iterations
| |
| iter=5
| |
| | |
| # Define fragment sizes
| |
| frags=(0 1 2047 4095)
| |
| | |
| # Define test directory
| |
| testdir=./test-squashfs
| |
| | |
| # Define mount point
| |
| mp=${testdir}/mnt
| |
| | |
| # Define data directory
| |
| datadir=${testdir}/data
| |
| | |
| # Check for squashfs-tools version and set compression types to test
| |
| sqfsver=`rpm -q --qf '%{EVR}' squashfs-tools`
| |
| if rpmdev-vercmp 4.1 ${sqfsver} > /dev/null; [ $? == '11' ]; then
| |
| ucomp=('gzip')
| |
| elif rpmdev-vercmp 4.2 ${sqfsver} > /dev/null; [ $? == '11' ]; then
| |
| ucomp=(gzip lzo lzma)
| |
| else
| |
| ucomp=(gzip lzo lzma xz)
| |
| fi
| |
| | |
| # Check for kernel verion and set mount test compression types
| |
| kernel=`uname -r`
| |
| if rpmdev-vercmp 2.6.36 ${kernel} > /dev/null; [ $? == '11' ]; then
| |
| mcomp=('gzip')
| |
| elif rpmdev-vercmp 2.6.38 ${kernel} > /dev/null; [ $? == '11' ]; then
| |
| mcomp=(gzip lzo)
| |
| else
| |
| mcomp=(gzip lzo xz)
| |
| fi
| |
| | |
| # Check for uid 0 and print a warning if not
| |
| [ ${UID} -ne 0 ] && echo 'Mount tests will not be performed when not running as root'
| |
| | |
| # Check if test directory exists and make if not
| |
| [ -d ${testdir} ] || mkdir ${testdir}
| |
| [ -d ${testdir} ] || (echo "Unable to make '${testdir}', aborting."; exit 1)
| |
| | |
| # Check if mount point directory exists and make if not
| |
| [ -d ${mp} ] || mkdir ${mp}
| |
| [ -d ${mp} ] || (echo "Unable to make '${mp}', aborting."; exit 1)
| |
| | |
| # Check if data directory exists and make if not
| |
| if [ -d ${datadir} ]; then
| |
| echo "Using existing data directory."
| |
| else
| |
| echo "Building data directory."
| |
| mkdir ${datadir}
| |
| [ -d ${datadir} ] || (echo "Unable to make '${datadir}', aborting."; exit 1)
| |
| for size in ${frags[*]}; do
| |
| for file in ${fill[*]}; do
| |
| dd if=${file} of=${datadir}/frag-`basename ${file}`-${size} bs=1 count=${size} > /dev/null 2>&1
| |
| done
| |
| done
| |
| for size in ${blocks[*]}; do
| |
| for ((count=1;${count}<=${iter};count++)); do
| |
| for file in ${fill[*]}; do
| |
| dd if=${file} of=${datadir}/file-`basename ${file}`-${size}-${count} bs=${size} count=${count} > /dev/null 2>&1
| |
| done
| |
| done
| |
| done
| |
| for size1 in ${frags[*]}; do
| |
| for file1 in ${fill[*]}; do
| |
| for size2 in ${blocks[*]}; do
| |
| for ((count=1;${count}<=${iter};count++)); do
| |
| for file2 in ${fill[*]}; do
| |
| cat ${datadir}/file-`basename ${file2}`-${size2}-${count} ${datadir}/frag-`basename ${file1}`-${size1} > ${datadir}/combined-`basename ${file2}`-${size2}-${count}-`basename ${file1}`-${size1}
| |
| done
| |
| done
| |
| done
| |
| done
| |
| done
| |
| fi
| |
| | |
| # Run unmounted tests
| |
| for comp in ${ucomp[*]}; do
| |
| echo "Building squashfs image using ${comp} compression."
| |
| if [ "${comp}" == gzip ]; then
| |
| mksquashfs ${datadir} ${testdir}/sq.img || (echo "mksquashfs failed for ${comp} compression."; continue)
| |
| else
| |
| mksquashfs ${datadir} ${testdir}/sq.img -comp ${comp} || (echo "mksquashfs failed for ${comp} compression."; continue)
| |
| fi
| |
| echo "Testing unmounted extract using ${comp} compression."
| |
| unsquashfs -d ${testdir}/sq ${testdir}/sq.img || echo "unsquashfs failed for ${comp} compression."
| |
| diff -r -q ${testdir}/sq ${datadir} || echo "Extract test failed for ${comp} compression."
| |
| rm -rf ${testdir}/sq
| |
| if [ ${UID} == 0 ]; then
| |
| for kern in ${mcomp[*]}; do
| |
| if [ ${kern} == ${comp} ]; then
| |
| echo "Testing mounted image using ${comp} compression."
| |
| mount -r -o loop ${testdir}/sq.img ${mp} || echo "Mount failed.";
| |
| diff -r -q ${mp} ${datadir} || echo "Mounted test failed for ${comp} compression."
| |
| umount ${mp}
| |
| break
| |
| fi
| |
| done
| |
| fi
| |
| rm -f ${testdir}/sq ${testdir}/sq.img
| |
| done
| |
