btrfs-progs/tests/fsck-tests.sh

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#!/bin/bash
#
# loop through all of our bad images and make sure fsck repairs them properly
LANG=C
SCRIPT_DIR=$(dirname $(readlink -f "$0"))
if [ -z "$TOP" ]; then
TOP=$(readlink -f "$SCRIPT_DIR/../")
if [ -f "$TOP/configure.ac" ]; then
# inside git
TEST_TOP="$TOP/tests"
INTERNAL_BIN="$TOP"
else
# external, defaults to system binaries
TOP=$(dirname `which btrfs`)
TEST_TOP="$SCRIPT_DIR"
INTERNAL_BIN="$TEST_TOP"
fi
else
# assume external, TOP set from commandline
TEST_TOP="$SCRIPT_DIR"
INTERNAL_BIN="$TEST_TOP"
fi
if ! [ -x "$TOP/btrfs" ]; then
echo "ERROR: cannot execute btrfs from TOP=$TOP"
exit 1
fi
TEST_DEV=${TEST_DEV:-}
RESULTS="$TEST_TOP/fsck-tests-results.txt"
IMAGE="$TEST_TOP/test.img"
source "$TEST_TOP/common"
export INTERNAL_BIN
export TEST_TOP
export TOP
export RESULTS
export LANG
export IMAGE
export TEST_DEV
rm -f "$RESULTS"
# test rely on corrupting blocks tool
check_prereq btrfs-corrupt-block
check_prereq btrfs-image
check_prereq btrfs
check_prereq btrfstune
check_kernel_support
run_one_test() {
local testname
testname="$1"
echo " [TEST/fsck] $(basename $testname)"
cd "$testname"
echo "=== START TEST $testname" >> "$RESULTS"
if [ -x test.sh ]; then
# Type 2
./test.sh
if [ $? -ne 0 ]; then
if [[ $TEST_LOG =~ dump ]]; then
cat "$RESULTS"
fi
_fail "test failed for case $(basename $testname)"
fi
# These tests have overridden check_image() and their images may
# have intentional unaligned metadata to trigger subpage
# warnings (like fsck/018), skip the check for their subpage
# warnings.
#
# We care about subpage related warnings for write operations
# (mkfs/convert/repair), not those read-only checks on crafted
# images.
else
# Type 1
check_all_images
fi
cd "$TEST_TOP"
}
# Each dir contains one type of error for btrfsck test.
# Each dir must be one of the following 2 types:
# 1) Only btrfs-image dump
# Only contains one or several btrfs-image dumps (.img)
# Each image will be tested by generic test routine
# (btrfsck --repair and btrfsck).
# This is for case that btree-healthy images.
# 2) Custom test script
# This dir contains test.sh which will do custom image
# generation/check/verification.
# This is for case btrfs-image can't dump or case needs extra
# check/verify
for i in $(find "$TEST_TOP/fsck-tests" -maxdepth 1 -mindepth 1 -type d \
${TEST:+-name "$TEST"} | sort)
do
run_one_test "$i"
done