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tests: update tests

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Signed-off-by: Kamil Gierszewski <kamil.gierszewski@huawei.com>
This commit is contained in:
Kamil Gierszewski
2024-08-29 12:04:26 +02:00
parent ec0e03fb39
commit e8bdcdae4f
23 changed files with 2129 additions and 1665 deletions
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51
test/functional/tests/cli/test_cas_memory_usage.py
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@@ -10,69 +10,60 @@ from api.cas.cas_module import CasModule
from core.test_run import TestRun
from test_utils.size import Unit
from test_utils.os_utils import (allocate_memory,
defaultize_memory_affecting_functions,
disable_memory_affecting_functions,
drop_caches,
get_mem_free,
is_kernel_module_loaded,
load_kernel_module,
unload_kernel_module,
unmount_ramfs)
)
@pytest.mark.os_dependent
def test_insufficient_memory_for_cas_module():
"""
title: Negative test of ability to load OpenCAS kernel module with insufficient memory.
description: |
Check that OpenCAS kernel module won’t be loaded in case not enough memory is available.
pass_criteria:
- Loading OpenCAS kernel module returns error.
title: Negative test for the ability of CAS to load the kernel module with insufficient memory.
description: |
Check that the CAS kernel module won’t be loaded if enough memory is not available
pass_criteria:
- CAS module cannot be loaded with not enough memory.
- Loading CAS with not enough memory returns error.
"""
with TestRun.step("Disable caching and memory over-committing."):
with TestRun.step("Disable caching and memory over-committing"):
disable_memory_affecting_functions()
drop_caches()
with TestRun.step("Measure memory usage without OpenCAS module."):
with TestRun.step("Measure memory usage without OpenCAS module"):
if is_kernel_module_loaded(CasModule.cache.value):
unload_kernel_module(CasModule.cache.value)
available_mem_before_cas = get_mem_free()
with TestRun.step("Load OpenCAS module"):
output = load_kernel_module(CasModule.cache.value)
if output.exit_code != 0:
TestRun.fail("Cannot load OpenCAS module!")
with TestRun.step("Load CAS module"):
load_kernel_module(CasModule.cache.value)
with TestRun.step("Measure memory usage with OpenCAS module."):
with TestRun.step("Measure memory usage with CAS module"):
available_mem_with_cas = get_mem_free()
memory_used_by_cas = available_mem_before_cas - available_mem_with_cas
TestRun.LOGGER.info(
f"OpenCAS module uses {memory_used_by_cas.get_value(Unit.MiB):.2f} MiB of DRAM."
)
with TestRun.step("Unload OpenCAS module."):
with TestRun.step("Unload CAS module"):
unload_kernel_module(CasModule.cache.value)
with TestRun.step("Allocate memory leaving not enough memory for OpenCAS module."):
memory_to_leave = memory_used_by_cas * (3 / 4)
try:
allocate_memory(get_mem_free() - memory_to_leave)
except Exception as ex:
TestRun.LOGGER.error(f"{ex}")
with TestRun.step("Allocate memory, leaving not enough memory for CAS module"):
memory_to_leave = get_mem_free() - (memory_used_by_cas * (3 / 4))
allocate_memory(memory_to_leave)
TestRun.LOGGER.info(
f"Memory left for OpenCAS module: {get_mem_free().get_value(Unit.MiB):0.2f} MiB."
)
with TestRun.step(
"Try to load OpenCAS module and check if error message is printed on failure."
"Try to load OpenCAS module and check if correct error message is printed on failure"
):
output = load_kernel_module(CasModule.cache.value)
if output.stderr and output.exit_code != 0:
memory_left = get_mem_free()
TestRun.LOGGER.info(
f"Memory left for OpenCAS module: {memory_left.get_value(Unit.MiB):0.2f} MiB."
)
TestRun.LOGGER.info(f"Cannot load OpenCAS module as expected.\n{output.stderr}")
else:
TestRun.LOGGER.error("Loading OpenCAS module successfully finished, but should fail.")
with TestRun.step("Set memory options to default"):
unmount_ramfs()
defaultize_memory_affecting_functions()