Extend smoke tests set

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>

test/smoke_test/write_back/02

@@ -0,0 +1,114 @@
+#!/bin/bash
+#
+# Copyright(c) 2012-2019 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+# The line below specified that line under it should be used as the test's short description when launching test via run_tests script.
+# The text should not be longer than 80 chars - if it is, the script will strip addititonal characters
+# DESCRIPTION Write Back - Sequential cache read vs. Sequential cache HDD
+
+# The line below says that this test should be included in BVT - it will be launched, when we use "./run_tests -b"
+
+# USE_IN_NIGHTLY
+
+# Standard beginning for every test - get the main tests directory and
+# link the cas_lib file for CAS API, then use "start_test $*" to pass params
+# and do other necessary checks and setup.
+TESTS_DIR="$(dirname $0)/../"
+. $TESTS_DIR/cas_lib
+start_test $*
+
+CACHE_DEVICE_SIZE=1G
+CORE_DEVICE_SIZE=2G
+TEST_DEVICE=${DEVICE_NAME}1-1
+TEST_FILE=/tmp/cas.testfile
+TEST_BS=32k
+TEST_COUNT=16
+
+wb_init() {
+    # Use CACHE_DEVICE and CORE_DEVICE provided by configuration file and remove partitions from those devices
+    TARGET_DEVICE_OPTION="$CACHE_DEVICE" remove_partitions
+    TARGET_DEVICE_OPTION="$CORE_DEVICE" remove_partitions
+
+    # Create 1 primary partitions on CACHE_DEVICE
+    TARGET_DEVICE_OPTION="$CACHE_DEVICE" PARTITION_SIZE_OPTION=$CACHE_DEVICE_SIZE PARTITION_IDS_OPTION="1" make_primary_partitions
+
+    # Create 1 primary partitions on CORE_DEVICE
+    TARGET_DEVICE_OPTION="$CORE_DEVICE" PARTITION_SIZE_OPTION=$CORE_DEVICE_SIZE PARTITION_IDS_OPTION="1" make_primary_partitions
+
+    # Make ext3 file system
+    TARGET_DEVICE_OPTION="${CORE_DEVICE}1" FILESYSTEM_TYPE="ext3" make_filesystem
+
+    # Start cache on CACHE_DEVICE1
+    CACHE_MODE_OPTION="wb" CACHE_ID_OPTION="1" CACHE_DEVICE_OPTION="${CACHE_DEVICE}1" start_cache
+
+    # Add a core device using CORE_DEVICE1
+    CACHE_ID_OPTION="1" CORE_DEVICE_OPTION="${CORE_DEVICE}1" add_core
+}
+
+wb_deinit() {
+    # Remove the core device from cache
+    CACHE_ID_OPTION="1" CORE_ID_OPTION="1" remove_core
+
+    # Clean up after the test
+    CACHE_ID_OPTION="1" stop_cache
+}
+
+wb_test() {
+    wb_init
+
+    local L_MD5_1
+    local L_MD5_2
+
+    test_log_trace "Fill cache, ${TEST_DEVICE}"
+    dd if=/dev/urandom of=${TEST_DEVICE} bs=${TEST_BS} count=${TEST_COUNT} oflag=direct
+
+    test_log_trace "Calculate MD5SUM of ${TEST_DEVICE}"
+    local T_START=$(date '+%s')
+    L_MD5_1=$(md5sum -b ${TEST_DEVICE} | awk '{ print $1 }')
+    test_log_trace "MD5 check sum of ${TEST_DEVICE} : $L_MD5_1"
+    local T_STOP=$(date '+%s')
+    let T_DURATION=${T_STOP}-${T_START}
+    test_log_trace "Calculation duration of ${TEST_DEVICE} is $T_DURATION"
+
+    wb_deinit
+
+    # Calculate md5sum of HDD
+    test_log_trace "Calculate MD5SUM of ${CORE_DEVICE}1"
+    local T_START=$(date '+%s')
+    L_MD5_2=$(md5sum -b ${CORE_DEVICE}1 | awk '{ print $1 }')
+    test_log_trace "MD5 check sum of ${CORE_DEVICE}1 : $L_MD5_2"
+    local T_STOP=$(date '+%s')
+    let T_DURATION=${T_STOP}-${T_START}
+    test_log_trace "Calculation duration of ${CORE_DEVICE}1 is $T_DURATION"
+
+    if [ "$L_MD5_1" != "$L_MD5_2" ]
+    then
+        test_log_trace "MD5 sum ERROR"
+        test_log_stop
+        return 1
+    fi
+
+    return 0
+}
+
+#
+# START TEST
+#
+
+test_log_start
+
+run_cmd wb_test
+
+test_log_stop
+
+#
+# END TEST
+#
+
+# Always return 0 at the end of the test - if at any point something has failed
+# in the API functions, test will end and return a proper result.
+# If you need to check other things during the test and end the test earlier, you
+# should end the test using "end_test $retval" function
+end_test 0