Fixed #32301 -- Made clearsessions raise CommandError when clear_expired() is not implemented.

2 files changed, 17 insertions, 0 deletions

diff --git a/tests/sessions_tests/no_clear_expired.py b/tests/sessions_tests/no_clear_expired.py
new file mode 100644
index 0000000000..0bdfcab6da
--- /dev/null
+++ b/tests/sessions_tests/no_clear_expired.py
@@ -0,0 +1,6 @@
+from django.contrib.sessions.backends.base import SessionBase
+
+
+class SessionStore(SessionBase):
+    """Session store without support for clearing expired sessions."""
+    pass
diff --git a/tests/sessions_tests/tests.py b/tests/sessions_tests/tests.py
index 2832fd8970..73d2a13a9f 100644
--- a/tests/sessions_tests/tests.py
+++ b/tests/sessions_tests/tests.py
@@ -910,3 +910,14 @@ class CookieSessionTests(SessionTestsMixin, SimpleTestCase):
     @unittest.skip("CookieSession is stored in the client and there is no way to query it.")
     def test_session_save_does_not_resurrect_session_logged_out_in_other_context(self):
         pass
+
+
+class ClearSessionsCommandTests(SimpleTestCase):
+    def test_clearsessions_unsupported(self):
+        msg = (
+            "Session engine 'tests.sessions_tests.no_clear_expired' doesn't "
+            "support clearing expired sessions."
+        )
+        with self.settings(SESSION_ENGINE='tests.sessions_tests.no_clear_expired'):
+            with self.assertRaisesMessage(management.CommandError, msg):
+                management.call_command('clearsessions')