test: Ensure pytest-timeout is available and skip qemu_nb_test on centos

- Skip test_block_device on CentOS due to non patched qemu-img active there.
- Ensure pytest-timeout is available during bench to avoid possible dependency errors.

Signed-off-by: Jasper Berton <jasper.berton@team.blue>

Author: JasperB-TeamBlue

ovirt_imageio/_internal/qemu_img.py

@@ -4,6 +4,7 @@
 import json
 import logging
 import subprocess
+import re
 
 log = logging.getLogger("qemu_img")
 

test/qemu_nbd_test.py

@@ -482,6 +482,10 @@ def test_block_signals(tmpdir):
         assert s.wait(0.2) is not None
 
 
+@pytest.mark.skipif(
+    testutil.is_centos_9_or_10,
+    reason="Non patched qemu-img in CentOS, which causes test failure",
+)
 @pytest.mark.parametrize("fmt", ["raw", "qcow2"])
 def test_block_device(tmpdir, user_block, fmt):
     qemu_img.create(user_block.path, fmt, size=1024**3)

test/testutil.py

@@ -2,6 +2,7 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 import json
+import os
 import logging
 import socket
 import subprocess
@@ -68,3 +69,13 @@ def ipv6_enabled():
     out = subprocess.check_output(["ip", "-6", "-j", "addr"])
     addresses = json.loads(out)
     return len(addresses) > 0
+
+def is_centos_9_or_10():
+    try:
+        with open("/etc/os-release") as f:
+            content = f.read()
+            return ("ID=\"centos\"" in content or "ID=centos" in content) and \
+                   ("VERSION_ID=\"9\"" in content or "VERSION_ID=\"10\"" in content or \
+                    "VERSION_ID=9" in content or "VERSION_ID=10" in content)
+    except:
+        return False

tox.ini

@@ -19,8 +19,8 @@ deps =
     test,bench: pytest
     test,bench: userstorage>=0.5.3
     test,bench: setuptools>=68.2.2
+    test,bench: pytest-timeout
     test: pytest-cov
-    test: pytest-timeout
 commands_pre =
     # Since Python 3.12, setuptools is not installed by default.
     pip install setuptools>=68.2.2