Add clean shutdown data consistency test

Signed-off-by: Katarzyna Lapinska <katarzyna.lapinska@intel.com>

test/functional/tests/initialize/test_clean_reboot.py

@@ -0,0 +1,75 @@
+#
+# Copyright(c) 2020 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+import os
+import pytest
+from api.cas import casadm
+from api.cas.cache_config import CacheMode
+from core.test_run import TestRun
+from storage_devices.disk import DiskTypeSet, DiskType, DiskTypeLowerThan
+from test_tools.dd import Dd
+from test_tools.disk_utils import Filesystem
+from test_utils.filesystem.file import File
+from test_utils.size import Size, Unit
+
+
+mount_point = "/mnt/test"
+
+
+@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
+@pytest.mark.require_disk("core", DiskTypeLowerThan("cache"))
+@pytest.mark.parametrizex("cache_mode", CacheMode)
+@pytest.mark.parametrizex("filesystem", Filesystem)
+@pytest.mark.parametrizex("reboot_type", ["soft", "hard"])
+@pytest.mark.require_plugin("power_control")
+def test_load_after_clean_shutdown(reboot_type, cache_mode, filesystem):
+    """
+        title: Planned system shutdown test.
+        description: Test for data consistency after clean system shutdown.
+        pass_criteria:
+          - DUT should reboot successfully.
+          - Checksum of file on core device should be the same before and after reboot.
+    """
+    with TestRun.step("Prepare CAS device."):
+        cache_disk = TestRun.disks['cache']
+        cache_disk.create_partitions([Size(1, Unit.GibiByte)])
+        cache_dev = cache_disk.partitions[0]
+        core_dev = TestRun.disks['core']
+        cache = casadm.start_cache(cache_dev, cache_mode)
+        core = cache.add_core(core_dev)
+        core.create_filesystem(filesystem, blocksize=int(Size(1, Unit.Blocks4096)))
+        core.mount(mount_point)
+
+    with TestRun.step("Create file on cache and count its checksum."):
+        test_file = File(os.path.join(mount_point, "test_file"))
+        Dd()\
+            .input("/dev/zero")\
+            .output(test_file.full_path)\
+            .block_size(Size(1, Unit.KibiByte))\
+            .count(1024)\
+            .run()
+        test_file.refresh_item()
+        test_file_md5 = test_file.md5sum()
+
+    with TestRun.step("Reset platform."):
+        if reboot_type == "soft":
+            TestRun.executor.reboot()
+        else:
+            power_control = TestRun.plugin_manager.get_plugin('power_control')
+            power_control.power_cycle()
+
+    with TestRun.step("Load cache."):
+        cache = casadm.load_cache(cache_dev)
+        core.mount(mount_point)
+
+    with TestRun.step("Check file md5sum."):
+        test_file.refresh_item()
+        if test_file_md5 != test_file.md5sum():
+            TestRun.LOGGER.error("Checksums does not match - file is corrupted.")
+        else:
+            TestRun.LOGGER.info("File checksum is correct.")
+
+    with TestRun.step("Remove test file."):
+        test_file.remove()