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diff --git a/tests/atf_python/Makefile b/tests/atf_python/Makefile
--- a/tests/atf_python/Makefile
+++ b/tests/atf_python/Makefile
@@ -2,7 +2,7 @@
.PATH: ${.CURDIR}
-FILES= __init__.py atf_pytest.py
+FILES= __init__.py atf_pytest.py utils.py
SUBDIR= sys
.include <bsd.own.mk>
diff --git a/tests/atf_python/sys/net/tools.py b/tests/atf_python/sys/net/tools.py
--- a/tests/atf_python/sys/net/tools.py
+++ b/tests/atf_python/sys/net/tools.py
@@ -1,13 +1,6 @@
#!/usr/local/bin/python3
import json
import os
-import socket
-import time
-from ctypes import cdll
-from ctypes import get_errno
-from ctypes.util import find_library
-from typing import List
-from typing import Optional
class ToolsHelper(object):
diff --git a/tests/atf_python/sys/net/vnet.py b/tests/atf_python/sys/net/vnet.py
--- a/tests/atf_python/sys/net/vnet.py
+++ b/tests/atf_python/sys/net/vnet.py
@@ -5,17 +5,14 @@
import socket
import sys
import time
-from ctypes import cdll
-from ctypes import get_errno
-from ctypes.util import find_library
from multiprocessing import Pipe
from multiprocessing import Process
from typing import Dict
from typing import List
from typing import NamedTuple
-from typing import Optional
from atf_python.sys.net.tools import ToolsHelper
+from atf_python.utils import libc, BaseTest
def run_cmd(cmd: str, verbose=True) -> str:
@@ -145,7 +142,7 @@
def __init__(self, test_name: str):
self.test_name = test_name
- test_id = convert_test_name(test_name)
+ self.test_id = convert_test_name(test_name)
self.file_name = self.INTERFACES_FNAME
def _register_iface(self, iface_name: str):
@@ -204,13 +201,9 @@
@staticmethod
def attach_jid(jid: int):
- _path: Optional[str] = find_library("c")
- if _path is None:
- raise Exception("libc not found")
- path: str = _path
- libc = cdll.LoadLibrary(path)
- if libc.jail_attach(jid) != 0:
- raise Exception("jail_attach() failed: errno {}".format(get_errno()))
+ error_code = libc.jail_attach(jid)
+ if error_code != 0:
+ raise Exception("jail_attach() failed: errno {}".format(error_code))
def attach(self):
self.attach_jid(self.jid)
@@ -290,7 +283,7 @@
vnet_aliases: List[str]
-class VnetTestTemplate(object):
+class VnetTestTemplate(BaseTest):
TOPOLOGY = {}
def _get_vnet_handler(self, vnet_alias: str):
@@ -395,6 +388,7 @@
# 'test_ip6_output.py::TestIP6Output::test_output6_pktinfo[ipandif] (setup)'
test_id = os.environ.get("PYTEST_CURRENT_TEST").split(" ")[0]
test_name = test_id.split("::")[-1]
+ self.check_constraints()
topology = self.TOPOLOGY
# First, setup kernel objects - interfaces & vnets
obj_map = self.setup_topology(topology, test_name)
diff --git a/tests/atf_python/utils.py b/tests/atf_python/utils.py
new file mode 100644
--- /dev/null
+++ b/tests/atf_python/utils.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+import os
+from ctypes import CDLL
+from ctypes import get_errno
+from ctypes.util import find_library
+from typing import List
+from typing import Optional
+
+import pytest
+
+
+class LibCWrapper(object):
+ def __init__(self):
+ path: Optional[str] = find_library("c")
+ if path is None:
+ raise RuntimeError("libc not found")
+ self._libc = CDLL(path, use_errno=True)
+
+ def modfind(self, mod_name: str) -> int:
+ if self._libc.modfind(bytes(mod_name, encoding="ascii")) == -1:
+ return get_errno()
+ return 0
+
+ def jail_attach(self, jid: int) -> int:
+ if self._libc.jail_attach(jid) != 0:
+ return get_errno()
+ return 0
+
+
+libc = LibCWrapper()
+
+
+class BaseTest(object):
+ REQUIRED_MODULES: List[str] = []
+
+ def _check_modules(self):
+ for mod_name in self.REQUIRED_MODULES:
+ error_code = libc.modfind(mod_name)
+ if error_code != 0:
+ err_str = os.strerror(error_code)
+ pytest.skip(
+ "kernel module '{}' not available: {}".format(mod_name, err_str)
+ )
+
+ def check_constraints(self):
+ self._check_modules()
diff --git a/tests/sys/Makefile b/tests/sys/Makefile
--- a/tests/sys/Makefile
+++ b/tests/sys/Makefile
@@ -24,6 +24,7 @@
TESTS_SUBDIRS+= netinet
TESTS_SUBDIRS+= netinet6
TESTS_SUBDIRS+= netipsec
+TESTS_SUBDIRS+= netlink
TESTS_SUBDIRS+= netmap
TESTS_SUBDIRS+= netpfil
TESTS_SUBDIRS+= opencrypto
diff --git a/tests/sys/netlink/test_rtnl_iface.py b/tests/sys/netlink/test_rtnl_iface.py
--- a/tests/sys/netlink/test_rtnl_iface.py
+++ b/tests/sys/netlink/test_rtnl_iface.py
@@ -22,6 +22,8 @@
class TestRtNlIface(SingleVnetTestTemplate):
+ REQUIRED_MODULES = ["netlink"]
+
def setup_method(self, method):
super().setup_method(method)
self.helper = NlHelper()

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