ENH: Improved test for xml serialization. #89

tests/test_xmlparsing.py

@@ -140,8 +140,6 @@ def test_container_xml(tmp_path):
 
 For issue 89: https://gitlab.com/caosdb/caosdb-pylib/-/issues/89
 """
-    with warnings.catch_warnings():
-
     # Create XML with container with one RecordType.
     db.RecordType(name="TestRT").insert()
     cont = db.execute_query("FIND RecordType TestRT")
@@ -152,7 +150,11 @@ For issue 89: https://gitlab.com/caosdb/caosdb-pylib/-/issues/89
     # Read from file again.
     with open(xml_file, "r", encoding="utf-8") as opened:
         xml_str = opened.read()
+    with warnings.catch_warnings(record=True) as raised_warnings:
         cont_restored = db.Container.from_xml(xml_str)
+        assert not raised_warnings, (
+            f"Loading from xml did not run smoothly.\n{raised_warnings[0].message}"
+        )
 
     # Test if the serialization and deserialization worked.
     assert cont[0].id == cont_restored[0].id