Bugfix: set_many did not set cache key version

redis_cache/backends/single.py

@@ -60,7 +60,7 @@ class RedisCache(BaseRedisCache):
         If timeout is given, that timeout will be used for the key; otherwise
         the default cache timeout will be used.
         """
-        versioned_keys = self.make_keys(data.keys())
+        versioned_keys = self.make_keys(data.keys(), version=version)
         if timeout is None:
             new_data = {}
             for key in versioned_keys:

tests/testapp/tests/base_tests.py

@@ -349,6 +349,11 @@ class BaseRedisTestCase(SetupMixin):
         self.assertIsNone(self.cache.get("key1"))
         self.assertIsNone(self.cache.get("key2"))
 
+    def test_set_many_version(self):
+        self.cache.set_many({"key1": "spam", "key2": "eggs"}, version=2)
+        self.assertEqual(self.cache.get("key1", version=2), "spam")
+        self.assertEqual(self.cache.get("key2", version=2), "eggs")
+
     def test_delete_many(self):
         # Multiple keys can be deleted using delete_many
         self.cache.set("key1", "spam")