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u-boot/test/fs/fs-test.sh
Stephen Warren 47b7164450 fs-test.sh: fix pre-requisite detection 
In the following snippet:

if [ ! -x `which $prereq` ]; then

When $prereq does not exist, `which $prereq` evaluates to the empty string,
which results in *no* argument being passed to the -x operator, which then
evaluates to true, which is the equivalent of the prereq having been found. In
order for this to fail as expected, we must pass an empty argument, which then
causes -x to fail. Do this by wrapping the `` in quotes so there's always an
argument to -x, even if the value of the argument is zero-length.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
2015-10-24 13:50:34 -04:00

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#!/bin/bash
#
# (C) Copyright 2014 Suriyan Ramasami
#
# SPDX-License-Identifier: GPL-2.0+
#
# Invoke this test script from U-Boot base directory as ./test/fs/fs-test.sh
# It currently tests the fs/sb and native commands for ext4 and fat partitions
# Expected results are as follows:
# EXT4 tests:
# fs-test.sb.ext4.out: Summary: PASS: 17 FAIL: 2
# fs-test.ext4.out: Summary: PASS: 10 FAIL: 9
# fs-test.fs.ext4.out: Summary: PASS: 10 FAIL: 9
# FAT tests:
# fs-test.sb.fat.out: Summary: PASS: 17 FAIL: 2
# fs-test.fat.out: Summary: PASS: 19 FAIL: 0
# fs-test.fs.fat.out: Summary: PASS: 19 FAIL: 0
# Total Summary: TOTAL PASS: 92 TOTAL FAIL: 22
# pre-requisite binaries list.
PREREQ_BINS="md5sum mkfs mount umount dd fallocate mkdir"
# All generated output files from this test will be in $OUT_DIR
# Hence everything is sandboxed.
OUT_DIR="sandbox/test/fs"
# Location of generated sandbox u-boot
UBOOT="./sandbox/u-boot"
# Our mount directory will be in the sandbox
MOUNT_DIR="${OUT_DIR}/mnt"
# The file system image we create will have the $IMG prefix.
IMG="${OUT_DIR}/3GB"
# $SMALL_FILE is the name of the 1MB file in the file system image
SMALL_FILE="1MB.file"
# $BIG_FILE is the name of the 2.5GB file in the file system image
BIG_FILE="2.5GB.file"
# $MD5_FILE will have the expected md5s when we do the test
# They shall have a suffix which represents their file system (ext4/fat)
MD5_FILE="${OUT_DIR}/md5s.list"
# $OUT shall be the prefix of the test output. Their suffix will be .out
OUT="${OUT_DIR}/fs-test"
# Full Path of the 1 MB file that shall be created in the fs image.
MB1="${MOUNT_DIR}/${SMALL_FILE}"
GB2p5="${MOUNT_DIR}/${BIG_FILE}"
# ************************
# * Functions start here *
# ************************
# Check if the prereq binaries exist, or exit
function check_prereq() {
for prereq in $PREREQ_BINS; do
if [ ! -x "`which $prereq`" ]; then
echo "Missing $prereq binary. Exiting!"
exit
fi
done
# We use /dev/urandom to create files. Check if it exists.
if [ ! -c /dev/urandom ]; then
echo "Missing character special /dev/urandom. Exiting!"
exit
fi
}
# If 1st param is "clean", then clean out the generated files and exit
function check_clean() {
if [ "$1" = "clean" ]; then
rm -rf "$OUT_DIR"
echo "Cleaned up generated files. Exiting"
exit
fi
}
# Generate sandbox U-Boot - gleaned from /test/dm/test-dm.sh
function compile_sandbox() {
unset CROSS_COMPILE
NUM_CPUS=$(cat /proc/cpuinfo |grep -c processor)
make O=sandbox sandbox_config
make O=sandbox -s -j${NUM_CPUS}
# Check if U-Boot exists
if [ ! -x "$UBOOT" ]; then
echo "$UBOOT does not exist or is not executable"
echo "Build error?"
echo "Please run this script as ./test/fs/`basename $0`"
exit
fi
}
# Clean out all generated files other than the file system images
# We save time by not deleting and recreating the file system images
function prepare_env() {
rm -f ${MD5_FILE}.* ${OUT}.*
mkdir ${OUT_DIR}
}
# 1st parameter is the name of the image file to be created
# 2nd parameter is the filesystem - fat ext4 etc
# -F cant be used with fat as it means something else.
function create_image() {
# Create image if not already present - saves time, while debugging
if [ "$2" = "ext4" ]; then
MKFS_OPTION="-F"
else
MKFS_OPTION=""
fi
if [ ! -f "$1" ]; then
fallocate -l 3G "$1" &> /dev/null
mkfs -t "$2" $MKFS_OPTION "$1" &> /dev/null
if [ $? -ne 0 -a "$2" = "fat" ]; then
# If we fail and we did fat, try vfat.
mkfs -t vfat $MKFS_OPTION "$1" &> /dev/null
fi
fi
}
# 1st parameter is the FS type: fat/ext4
# 2nd parameter is the name of small file
# Returns filename which can be used for fat or ext4 for writing
function fname_for_write() {
case $1 in
ext4)
# ext4 needs absolute path name of file
echo /${2}.w
;;
*)
echo ${2}.w
;;
esac
}
# 1st parameter is image file
# 2nd parameter is file system type - fat/ext4
# 3rd parameter is name of small file
# 4th parameter is name of big file
# 5th parameter is fs/nonfs/sb - to dictate generic fs commands or
# otherwise or sb hostfs
# 6th parameter is the directory path for the files. Its "" for generic
# fs and ext4/fat and full patch for sb hostfs
# UBOOT is set in env
function test_image() {
addr="0x01000008"
length="0x00100000"
case "$2" in
fat)
PREFIX="fat"
WRITE="write"
;;
ext4)
PREFIX="ext4"
WRITE="write"
;;
*)
echo "Unhandled filesystem $2. Exiting!"
exit
;;
esac
case "$5" in
fs)
PREFIX=""
WRITE="save"
SUFFIX=" 0:0"
;;
nonfs)
SUFFIX=" 0:0"
;;
sb)
PREFIX="sb "
WRITE="save"
SUFFIX="fs -"
;;
*)
echo "Unhandled mode $5. Exiting!"
exit
;;
esac
if [ -z "$6" ]; then
FILE_WRITE=`fname_for_write $2 $3`
FILE_SMALL=$3
FILE_BIG=$4
else
FILE_WRITE=$6/`fname_for_write $2 $3`
FILE_SMALL=$6/$3
FILE_BIG=$6/$4
fi
# In u-boot commands, <interface> stands for host or hostfs
# hostfs maps to the host fs.
# host maps to the "sb bind" that we do
$UBOOT << EOF
sb=$5
setenv bind 'if test "\$sb" != sb; then sb bind 0 "$1"; fi'
run bind
# Test Case 1 - ls
${PREFIX}ls host${SUFFIX} $6
#
# We want ${PREFIX}size host 0:0 $3 for host commands and
# sb size hostfs - $3 for hostfs commands.
# 1MB is 0x0010 0000
# Test Case 2 - size of small file
${PREFIX}size host${SUFFIX} $FILE_SMALL
printenv filesize
setenv filesize
# 2.5GB (1024*1024*2500) is 0x9C40 0000
# Test Case 3 - size of big file
${PREFIX}size host${SUFFIX} $FILE_BIG
printenv filesize
setenv filesize
# Notes about load operation
# If I use 0x01000000 I get DMA misaligned error message
# Last two parameters are size and offset.
# Test Case 4a - Read full 1MB of small file
${PREFIX}load host${SUFFIX} $addr $FILE_SMALL
printenv filesize
# Test Case 4b - Read full 1MB of small file
md5sum $addr \$filesize
setenv filesize
# Test Case 5a - First 1MB of big file
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x0
printenv filesize
# Test Case 5b - First 1MB of big file
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 6a - Last 1MB of big file
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x9C300000
printenv filesize
# Test Case 6b - Last 1MB of big file
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 7a - One from the last 1MB chunk of 2GB
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x7FF00000
printenv filesize
# Test Case 7b - One from the last 1MB chunk of 2GB
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 8a - One from the start 1MB chunk from 2GB
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x80000000
printenv filesize
# Test Case 8b - One from the start 1MB chunk from 2GB
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 9a - One 1MB chunk crossing the 2GB boundary
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x7FF80000
printenv filesize
# Test Case 9b - One 1MB chunk crossing the 2GB boundary
md5sum $addr \$filesize
setenv filesize
# Generic failure case
# Test Case 10 - 2MB chunk from the last 1MB of big file
${PREFIX}load host${SUFFIX} $addr $FILE_BIG 0x00200000 0x9C300000
printenv filesize
#
# Read 1MB from small file
${PREFIX}load host${SUFFIX} $addr $FILE_SMALL
# Write it back to test the writes
# Test Case 11a - Check that the write succeeded
${PREFIX}${WRITE} host${SUFFIX} $addr $FILE_WRITE \$filesize
mw.b $addr 00 100
${PREFIX}load host${SUFFIX} $addr $FILE_WRITE
# Test Case 11b - Check md5 of written to is same as the one read from
md5sum $addr \$filesize
setenv filesize
#
reset
EOF
}
# 1st argument is the name of the image file.
# 2nd argument is the file where we generate the md5s of the files
# generated with the appropriate start and length that we use to test.
# It creates the necessary files in the image to test.
# $GB2p5 is the path of the big file (2.5 GB)
# $MB1 is the path of the small file (1 MB)
# $MOUNT_DIR is the path we can use to mount the image file.
function create_files() {
# Mount the image so we can populate it.
mkdir -p "$MOUNT_DIR"
sudo mount -o loop,rw "$1" "$MOUNT_DIR"
# Create big file in this image.
# Note that we work only on the start 1MB, couple MBs in the 2GB range
# and the last 1 MB of the huge 2.5GB file.
# So, just put random values only in those areas.
if [ ! -f "${GB2p5}" ]; then
sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 \
&> /dev/null
sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=2 seek=2047 \
&> /dev/null
sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 seek=2499 \
&> /dev/null
fi
# Create a small file in this image.
if [ ! -f "${MB1}" ]; then
sudo dd if=/dev/urandom of="${MB1}" bs=1M count=1 \
&> /dev/null
fi
# Delete the small file which possibly is written as part of a
# previous test.
sudo rm -f "${MB1}.w"
# Generate the md5sums of reads that we will test against small file
dd if="${MB1}" bs=1M skip=0 count=1 2> /dev/null | md5sum > "$2"
# Generate the md5sums of reads that we will test against big file
# One from beginning of file.
dd if="${GB2p5}" bs=1M skip=0 count=1 \
2> /dev/null | md5sum >> "$2"
# One from end of file.
dd if="${GB2p5}" bs=1M skip=2499 count=1 \
2> /dev/null | md5sum >> "$2"
# One from the last 1MB chunk of 2GB
dd if="${GB2p5}" bs=1M skip=2047 count=1 \
2> /dev/null | md5sum >> "$2"
# One from the start 1MB chunk from 2GB
dd if="${GB2p5}" bs=1M skip=2048 count=1 \
2> /dev/null | md5sum >> "$2"
# One 1MB chunk crossing the 2GB boundary
dd if="${GB2p5}" bs=512K skip=4095 count=2 \
2> /dev/null | md5sum >> "$2"
sync
sudo umount "$MOUNT_DIR"
rmdir "$MOUNT_DIR"
}
# 1st parameter is the text to print
# if $? is 0 its a pass, else a fail
# As a side effect it shall update env variable PASS and FAIL
function pass_fail() {
if [ $? -eq 0 ]; then
echo pass - "$1"
PASS=$((PASS + 1))
else
echo FAIL - "$1"
FAIL=$((FAIL + 1))
fi
}
# 1st parameter is the string which leads to an md5 generation
# 2nd parameter is the file we grep, for that string
# 3rd parameter is the name of the file which has md5s in it
# 4th parameter is the line # in the md5 file that we match it against
# This function checks if the md5 of the file in the sandbox matches
# that calculated while generating the file
# 5th parameter is the string to print with the result
check_md5() {
# md5sum in u-boot has output of form:
# md5 for 01000008 ... 01100007 ==> <md5>
# the 7th field is the actual md5
md5_src=`grep -A3 "$1" "$2" | grep "md5 for"`
md5_src=($md5_src)
md5_src=${md5_src[6]}
# The md5 list, each line is of the form:
# - <md5>
# the 2nd field is the actual md5
md5_dst=`sed -n $4p $3`
md5_dst=($md5_dst)
md5_dst=${md5_dst[0]}
# For a pass they should match.
[ "$md5_src" = "$md5_dst" ]
pass_fail "$5"
}
# 1st parameter is the name of the output file to check
# 2nd parameter is the name of the file containing the md5 expected
# 3rd parameter is the name of the small file
# 4th parameter is the name of the big file
# 5th paramter is the name of the written file
# This function checks the output file for correct results.
function check_results() {
echo "** Start $1"
PASS=0
FAIL=0
# Check if the ls is showing correct results for 2.5 gb file
grep -A6 "Test Case 1 " "$1" | egrep -iq "2621440000 *$4"
pass_fail "TC1: ls of $4"
# Check if the ls is showing correct results for 1 mb file
grep -A6 "Test Case 1 " "$1" | egrep -iq "1048576 *$3"
pass_fail "TC1: ls of $3"
# Check size command on 1MB.file
egrep -A3 "Test Case 2 " "$1" | grep -q "filesize=100000"
pass_fail "TC2: size of $3"
# Check size command on 2.5GB.file
egrep -A3 "Test Case 3 " "$1" | grep -q "filesize=9c400000"
pass_fail "TC3: size of $4"
# Check read full mb of 1MB.file
grep -A6 "Test Case 4a " "$1" | grep -q "filesize=100000"
pass_fail "TC4: load of $3 size"
check_md5 "Test Case 4b " "$1" "$2" 1 "TC4: load from $3"
# Check first mb of 2.5GB.file
grep -A6 "Test Case 5a " "$1" | grep -q "filesize=100000"
pass_fail "TC5: load of 1st MB from $4 size"
check_md5 "Test Case 5b " "$1" "$2" 2 "TC5: load of 1st MB from $4"
# Check last mb of 2.5GB.file
grep -A6 "Test Case 6a " "$1" | grep -q "filesize=100000"
pass_fail "TC6: load of last MB from $4 size"
check_md5 "Test Case 6b " "$1" "$2" 3 "TC6: load of last MB from $4"
# Check last 1mb chunk of 2gb from 2.5GB file
grep -A6 "Test Case 7a " "$1" | grep -q "filesize=100000"
pass_fail "TC7: load of last 1mb chunk of 2GB from $4 size"
check_md5 "Test Case 7b " "$1" "$2" 4 \
"TC7: load of last 1mb chunk of 2GB from $4"
# Check first 1mb chunk after 2gb from 2.5GB file
grep -A6 "Test Case 8a " "$1" | grep -q "filesize=100000"
pass_fail "TC8: load 1st MB chunk after 2GB from $4 size"
check_md5 "Test Case 8b " "$1" "$2" 5 \
"TC8: load 1st MB chunk after 2GB from $4"
# Check 1mb chunk crossing the 2gb boundary from 2.5GB file
grep -A6 "Test Case 9a " "$1" | grep -q "filesize=100000"
pass_fail "TC9: load 1MB chunk crossing 2GB boundary from $4 size"
check_md5 "Test Case 9b " "$1" "$2" 6 \
"TC9: load 1MB chunk crossing 2GB boundary from $4"
# Check 2mb chunk from the last 1MB of 2.5GB file loads 1MB
grep -A6 "Test Case 10 " "$1" | grep -q "filesize=100000"
pass_fail "TC10: load 2MB from the last 1MB of $4 loads 1MB"
# Check 1mb chunk write
grep -A3 "Test Case 11a " "$1" | \
egrep -q '1048576 bytes written|update journal'
pass_fail "TC11: 1MB write to $5 - write succeeded"
check_md5 "Test Case 11b " "$1" "$2" 1 \
"TC11: 1MB write to $5 - content verified"
echo "** End $1"
}
# Takes in one parameter which is "fs" or "nonfs", which then dictates
# if a fs test (size/load/save) or a nonfs test (fatread/extread) needs to
# be performed.
function test_fs_nonfs() {
echo "Creating files in $fs image if not already present."
create_files $IMAGE $MD5_FILE_FS
OUT_FILE="${OUT}.$1.${fs}.out"
test_image $IMAGE $fs $SMALL_FILE $BIG_FILE $1 "" \
> ${OUT_FILE} 2>&1
check_results $OUT_FILE $MD5_FILE_FS $SMALL_FILE $BIG_FILE \
$WRITE_FILE
TOTAL_FAIL=$((TOTAL_FAIL + FAIL))
TOTAL_PASS=$((TOTAL_PASS + PASS))
echo "Summary: PASS: $PASS FAIL: $FAIL"
echo "--------------------------------------------"
}
# ********************
# * End of functions *
# ********************
check_clean "$1"
check_prereq
compile_sandbox
prepare_env
# Track TOTAL_FAIL and TOTAL_PASS
TOTAL_FAIL=0
TOTAL_PASS=0
# In each loop, for a given file system image, we test both the
# fs command, like load/size/write, the file system specific command
# like: ext4load/ext4size/ext4write and the sb load/ls/save commands.
for fs in ext4 fat; do
echo "Creating $fs image if not already present."
IMAGE=${IMG}.${fs}.img
MD5_FILE_FS="${MD5_FILE}.${fs}"
create_image $IMAGE $fs
# sb commands test
echo "Creating files in $fs image if not already present."
create_files $IMAGE $MD5_FILE_FS
# Lets mount the image and test sb hostfs commands
mkdir -p "$MOUNT_DIR"
if [ "$fs" = "fat" ]; then
uid="uid=`id -u`"
else
uid=""
fi
sudo mount -o loop,rw,$uid "$IMAGE" "$MOUNT_DIR"
sudo chmod 777 "$MOUNT_DIR"
OUT_FILE="${OUT}.sb.${fs}.out"
test_image $IMAGE $fs $SMALL_FILE $BIG_FILE sb `pwd`/$MOUNT_DIR \
> ${OUT_FILE} 2>&1
sudo umount "$MOUNT_DIR"
rmdir "$MOUNT_DIR"
check_results $OUT_FILE $MD5_FILE_FS $SMALL_FILE $BIG_FILE \
$WRITE_FILE
TOTAL_FAIL=$((TOTAL_FAIL + FAIL))
TOTAL_PASS=$((TOTAL_PASS + PASS))
echo "Summary: PASS: $PASS FAIL: $FAIL"
echo "--------------------------------------------"
test_fs_nonfs nonfs
test_fs_nonfs fs
done
echo "Total Summary: TOTAL PASS: $TOTAL_PASS TOTAL FAIL: $TOTAL_FAIL"
echo "--------------------------------------------"
if [ $TOTAL_FAIL -eq 0 ]; then
echo "PASSED"
exit 0
else
echo "FAILED"
exit 1
fi
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