diff --git a/test/test_config_store.py b/test/test_config_store.py
new file mode 100644
index 0000000..3d76bc4
--- /dev/null
+++ b/test/test_config_store.py
@@ -0,0 +1,61 @@
+#  SPDX-License-Identifier: MPL-2.0
+#    Copyright (c) 2022 Philipp Le <philipp@philipple.de>.
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+import unittest
+from typing import List
+from pydantic import BaseModel
+
+from dcs.config.store import Store, ConfigObject
+
+
+class ExampleSub(BaseModel):
+    id: int
+    title: str
+
+
+class ExampleConfig(ConfigObject):
+    _KEY = 'example'
+    id: int
+    name: str
+    sub: List[ExampleSub]
+
+
+class StoreTest(unittest.TestCase):
+    def test_deserialize(self):
+        in_data = {
+            'example': {
+                'id': 1,
+                'name': 'Test1',
+                'sub': [
+                    {
+                        'id': 0,
+                        'title': 'Title1',
+                    },
+                    {
+                        'id': 1,
+                        'title': 'Title2',
+                    },
+                ]
+            }
+        }
+
+        loaded_store = Store.load_obj(in_data, 'default')
+
+        store = Store.get_instance('default')
+        self.assertEqual(id(loaded_store), id(store))
+
+        cfg = store.get_config(ExampleConfig)
+        self.assertEqual(ExampleConfig, type(cfg))
+        self.assertEqual(2, len(cfg.sub))
+        self.assertEqual(ExampleSub, type(cfg.sub[0]))
+        self.assertEqual(ExampleSub, type(cfg.sub[1]))
+
+        sub0 = cfg.sub[0]
+        self.assertEqual(id(cfg.sub[0]), id(sub0))
+
+        self.assertEqual(id(cfg), id(store.get_config(ExampleConfig)))
+
+        self.assertEqual(in_data, store.dump_obj())