test: store_manager sanity check

Refs: OPS.19

tests/test_store.py

@@ -0,0 +1,21 @@
+# do not remove this import. This is needed for
+# pytest fixtures to work
+import pytest
+
+from senju.store_manager import StoreManager  # noqa: F401
+
+
+def test_temp_data_dir(store_manager: StoreManager):
+    thing = {
+        "color": "blue",
+        "number": 19,
+        "inner": {
+            "no": "yes"
+        }
+    }
+    thing_id = store_manager.save(thing)
+    thing_loaded = store_manager.load(thing_id)
+    if thing_loaded is None:
+        assert False, "the store manager load did not return anything"
+    for key in thing.keys():
+        assert thing[key] == thing_loaded[key]