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tests/functional: add skipLockedMemoryTest decorator

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Used in future commit to skipping execution of a tests if the system's
locked memory limit is below the required threshold.

Signed-off-by: Alexandr Moshkov <dtalexundeer@yandex-team.ru>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250605065908.299979-2-dtalexundeer@yandex-team.ru>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Alexandr Moshkov 2025-06-05 11:59:09 +05:00 • committed by Thomas Huth
parent 3f11e5f400
commit 23c90999f6
2 changed files with 19 additions and 1 deletions
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2
tests/functional/qemu_test/__init__.py
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@ -15,6 +15,6 @@ from .testcase import QemuBaseTest, QemuUserTest, QemuSystemTest
from .linuxkernel import LinuxKernelTest
from .decorators import skipIfMissingCommands, skipIfNotMachine, \
skipFlakyTest, skipUntrustedTest, skipBigDataTest, skipSlowTest, \
skipIfMissingImports, skipIfOperatingSystem
skipIfMissingImports, skipIfOperatingSystem, skipLockedMemoryTest
from .archive import archive_extract
from .uncompress import uncompress

18
tests/functional/qemu_test/decorators.py
View file

@ -5,6 +5,7 @@
import importlib
import os
import platform
import resource
from unittest import skipIf, skipUnless
from .cmd import which
@ -131,3 +132,20 @@ def skipIfMissingImports(*args):
return skipUnless(has_imports, 'required import(s) "%s" not installed' %
", ".join(args))
'''
Decorator to skip execution of a test if the system's
locked memory limit is below the required threshold.
Takes required locked memory threshold in kB.
Example:
@skipLockedMemoryTest(2_097_152)
'''
def skipLockedMemoryTest(locked_memory):
# get memlock hard limit in bytes
_, ulimit_memory = resource.getrlimit(resource.RLIMIT_MEMLOCK)
return skipUnless(
ulimit_memory == resource.RLIM_INFINITY or ulimit_memory >= locked_memory * 1024,
f'Test required {locked_memory} kB of available locked memory',
)