add 1400-simple.sh test

tests/1400-simple.sh

@@ -0,0 +1,109 @@
+#!/bin/bash -e
+#
+# SPDX-License-Identifier: GPL-2.0+
+
+
+if [ -z $1 ]
+then
+	echo "Should be specified empty test block device."
+	exit 255
+else
+	DEVICE=$1
+fi
+
+if [ -z $2 ]
+then
+	DIFF_STORAGE_DIR=${HOME}
+else
+	DIFF_STORAGE_DIR=$1
+fi
+echo "Diff storage directory ${DIFF_STORAGE_DIR}"
+
+. ./functions.sh
+. ./blksnap.sh
+BLOCK_SIZE=$(block_size_mnt ${DIFF_STORAGE_DIR})
+
+echo "---"
+echo "Simple test start"
+
+blksnap_load
+
+# check module is ready
+blksnap_version
+
+MPDIR=/mnt/blksnap-test
+rm -rf ${MPDIR}
+mkdir -p ${MPDIR}
+
+DIFF_STORAGE="${DIFF_STORAGE_DIR}/diff_storage"
+fallocate --length 4KiB ${DIFF_STORAGE}
+
+echo "Create new filesystem on ${DEVICE}"
+#echo "press ..."
+#read -n 1
+mkfs.ext4 ${DEVICE}
+
+MOUNTPOINT=${MPDIR}/simple
+mkdir -p ${MOUNTPOINT}
+mount ${DEVICE} ${MOUNTPOINT}
+
+generate_files_direct ${MOUNTPOINT} "before" 9
+drop_cache
+
+#echo "Block device prepared, press ..."
+#read -n 1
+
+blksnap_snapshot_create "${DEVICE}" "${DIFF_STORAGE}" "2G"
+blksnap_snapshot_take
+
+#echo "Snapshot was token, press ..."
+#read -n 1
+
+#echo "Write something" > ${MOUNTPOINT}/something.txt
+echo "Write to original"
+generate_files_direct ${MOUNTPOINT} "after" 3
+drop_cache
+
+check_files ${MOUNTPOINT}
+
+echo "Check snapshots"
+DEVICE_IMAGE=$(blksnap_get_image ${DEVICE})
+IMAGE=${TESTDIR}/image0
+mkdir -p ${IMAGE}
+mount ${DEVICE_IMAGE} ${IMAGE}
+#echo "pause, press ..."
+#read -n 1
+check_files ${IMAGE}
+
+echo "Write to snapshot"
+generate_files_direct ${IMAGE} "snapshot" 3
+
+drop_cache
+umount ${DEVICE_IMAGE}
+mount ${DEVICE_IMAGE} ${IMAGE}
+
+#echo "pause, press ..."
+#read -n 1
+check_files ${IMAGE}
+
+umount ${IMAGE}
+
+blksnap_snapshot_destroy
+
+#echo "Destroy snapshot, press ..."
+#read -n 1
+
+drop_cache
+umount ${DEVICE}
+mount ${DEVICE} ${MOUNTPOINT}
+
+check_files ${MOUNTPOINT}
+
+echo "Destroy first device"
+blksnap_detach ${DEVICE}
+umount ${MOUNTPOINT}
+
+blksnap_unload
+
+echo "Simple test finish"
+echo "---"