ceph/src/spdk/ocf/tests/functional/tests/management/test_change_mode.py

   1 #
   2 # Copyright(c) 2019 Intel Corporation
   3 # SPDX-License-Identifier: BSD-3-Clause-Clear
   4 #
   5
   6 import pytest
   7
   8 from pyocf.types.cache import Cache, CacheMode
   9 from pyocf.types.volume import Volume
  10 from pyocf.utils import Size as S
  11 from pyocf.types.shared import CacheLineSize
  12
  13
  14 @pytest.mark.parametrize("from_cm", CacheMode)
  15 @pytest.mark.parametrize("to_cm", CacheMode)
  16 @pytest.mark.parametrize("cls", CacheLineSize)
  17 def test_change_cache_mode(pyocf_ctx, from_cm, to_cm, cls):
  18     # Start cache device
  19     cache_device = Volume(S.from_MiB(30))
  20     cache = Cache.start_on_device(
  21         cache_device, cache_mode=from_cm, cache_line_size=cls
  22     )
  23
  24     # Check if started with correct cache mode
  25     stats = cache.get_stats()
  26     assert stats["conf"]["cache_mode"] == from_cm
  27
  28     # Change cache mode and check if stats are as expected
  29     cache.change_cache_mode(to_cm)
  30     stats_after = cache.get_stats()
  31     assert stats_after["conf"]["cache_mode"] == to_cm