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-rw-r--r--tests/common.convert93
1 files changed, 70 insertions, 23 deletions
diff --git a/tests/common.convert b/tests/common.convert
index 22b0c4de..4e3d49c9 100644
--- a/tests/common.convert
+++ b/tests/common.convert
@@ -81,55 +81,102 @@ populate_fs() {
done
}
-convert_test() {
+# verbose message before the test, same arguments as convert_test
+convert_test_preamble() {
local features
- local nodesize
+ local msg
features="$1"
- shift
-
- if [ -z "$features" ]; then
- echo " [TEST/conv] $1, btrfs defaults"
- else
- echo " [TEST/conv] $1, btrfs $features"
- fi
- nodesize=$2
- shift 2
- echo "creating ext image with: $*" >> $RESULTS
+ msg="$2"
+ shift 3
+ echo " [TEST/conv] $msg, btrfs" "${features:-defaults}"
+ echo "creating ext image with: $@" >> $RESULTS
+}
+
+# prepare TEST_DEV before conversion, create filesystem and mount it, image
+# size is 512MB
+# $@: free form, command to create the filesystem, with appended -F
+convert_test_prep_fs() {
# TEST_DEV not removed as the file might have special permissions, eg.
# when test image is on NFS and would not be writable for root
run_check truncate -s 0 $TEST_DEV
# 256MB is the smallest acceptable btrfs image.
run_check truncate -s 512M $TEST_DEV
- run_check $* -F $TEST_DEV
- CHECKSUMTMP=$(mktemp --tmpdir btrfs-progs-convert.XXXXXXXXXX)
+ run_check "$@" -F $TEST_DEV
- # create a file to check btrfs-convert can convert regular file
- # correct
+ # create a file to check btrfs-convert can convert regular file correct
run_check_mount_test_dev
# create a file inside the fs before convert, to make sure there is
# data covering btrfs backup superblock range (64M)
run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=64 \
of=$TEST_MNT/convert_space_holder
+}
+
+# generate md5 checksums of files on $TEST_MNT
+# $1: path where the checksums will be stored
+convert_test_gen_checksums() {
+ local CHECKSUMTMP
+ CHECKSUMTMP="$1"
- populate_fs
run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/test bs=$nodesize \
count=1 >/dev/null 2>&1
- run_check_stdout $SUDO_HELPER find $TEST_MNT -type f ! -name 'image' -exec md5sum {} \+ > $CHECKSUMTMP
- run_check_umount_test_dev
+ run_check_stdout $SUDO_HELPER find $TEST_MNT -type f ! -name 'image' -exec md5sum {} \+ > "$CHECKSUMTMP"
+}
- run_check $TOP/btrfs-convert ${features:+-O "$features"} -N "$nodesize" $TEST_DEV
+# do conversion with given features and nodesize, fsck afterwards
+# $1: features, argument of -O, can be empty
+# $2: nodesize, argument of -N, can be empty
+convert_test_do_convert() {
+ run_check $TOP/btrfs-convert ${1:+-O "$1"} ${2:+-N "$2"} $TEST_DEV
run_check $TOP/btrfs check $TEST_DEV
run_check $TOP/btrfs-show-super -Ffa $TEST_DEV
+}
+
+# post conversion checks, verify md5sums
+# $1: file with checksums
+convert_test_post_check() {
+ local CHECKSUMTMP
+ CHECKSUMTMP="$1"
run_check_mount_test_dev
- run_check_stdout $SUDO_HELPER md5sum -c $CHECKSUMTMP |
- grep -q 'FAILED' && _fail "file validation failed."
+ run_check_stdout $SUDO_HELPER md5sum -c "$CHECKSUMTMP" |
+ grep -q 'FAILED' && _fail "file validation failed"
run_check_umount_test_dev
- rm $CHECKSUMTMP
+}
+# do rollback and fsck
+convert_test_post_rollback() {
run_check $TOP/btrfs-convert --rollback $TEST_DEV
run_check fsck -n -t ext2,ext3,ext4 $TEST_DEV
}
+# simple wrapper for a convert test
+# $1: btrfs features, argument to -O
+# $2: description of the test "ext2 8k nodesize"
+# $3: nodesize value
+# $4 + rest: command to create the ext2 image
+convert_test() {
+ local features
+ local nodesize
+ local msg
+ local CHECKSUMTMP
+
+ features="$1"
+ msg="$2"
+ nodesize="$3"
+ shift 3
+ convert_test_preamble "$features" "$msg" "$nodesize" "$@"
+ convert_test_prep_fs "$@"
+ populate_fs
+ CHECKSUMTMP=$(mktemp --tmpdir btrfs-progs-convert.XXXXXXXXXX)
+ convert_test_gen_checksums "$CHECKSUMTMP"
+
+ run_check_umount_test_dev
+
+ convert_test_do_convert "$features" "$nodesize"
+ convert_test_post_check "$CHECKSUMTMP"
+ rm $CHECKSUMTMP
+
+ convert_test_post_rollback
+}