update tests to bypass userns restrictons and run in CI

Signed-off-by: Zen <[email protected]>

Author: desultory

.github/workflows/unit_tests.yml

@@ -19,6 +19,12 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - name: Permit unprivileged user namespaces
+      run: |
+        set -x
+        sudo sysctl -w kernel.apparmor_restrict_unprivileged_unconfined=0
+        sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:

src/zenlib/namespace/__init__.py

@@ -1,8 +1,7 @@
-from os import environ
 from platform import system
 from sys import version_info
 
-if environ.get("CI", "false").lower() == "true" or version_info < (3, 12) or system() != "Linux":
+if version_info < (3, 12) or system() != "Linux":
     nsexec, get_id_map = None, None
 else:
     from .namespace import get_id_map

tests/test_namespace.py

@@ -1,4 +1,3 @@
-from os import environ
 from platform import system
 from sys import version_info
 from unittest import TestCase, main, skipIf
@@ -8,10 +7,6 @@
 
 def check_test_compat():
     """Checks if tests are compatible with the current environment"""
-
-    if environ.get("CI", "false").lower() == "true":
-        return
-
     if system() != "Linux":
         return