Fixed #30181 -- Made cache.get() with default work correctly on PyLibMCCache if None is cached.

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/cache/tests.py b/tests/cache/tests.py
index 9f717cfa23..ced86fc8f6 100644
--- a/tests/cache/tests.py
+++ b/tests/cache/tests.py
@@ -274,6 +274,11 @@ class BaseCacheTests:
         cache.set("key", "value")
         self.assertEqual(cache.get("key"), "value")
 
+    def test_default_used_when_none_is_set(self):
+        """If None is cached, get() returns it instead of the default."""
+        cache.set('key_default_none', None)
+        self.assertIsNone(cache.get('key_default_none', default='default'))
+
     def test_add(self):
         # A key can be added to a cache
         cache.add("addkey1", "value")
@@ -1365,6 +1370,14 @@ class MemcachedCacheTests(BaseMemcachedTests, TestCase):
     def test_memcached_options(self):
         self.assertEqual(cache._cache.server_max_value_length, 9999)
 
+    def test_default_used_when_none_is_set(self):
+        """
+        python-memcached doesn't support default in get() so this test
+        overrides the one in BaseCacheTests.
+        """
+        cache.set('key_default_none', None)
+        self.assertEqual(cache.get('key_default_none', default='default'), 'default')
+
 
 @unittest.skipUnless(PyLibMCCache_params, "PyLibMCCache backend not configured")
 @override_settings(CACHES=caches_setting_for_tests(