TST: Extend test for https://gitlab.com/linkahead/linkahead-pylib/-/issues/119

tests/test_issues_pylib.py

@@ -36,7 +36,7 @@ import pytest
 
 from linkahead import administration as admin
 from linkahead.exceptions import (TransactionError, HTTPClientError)
-from linkahead.apiutils import empty_diff, merge_entities
+from linkahead.apiutils import compare_entities, empty_diff, merge_entities
 
 CURATOR_ROLE = "curator"
 
@@ -156,9 +156,14 @@ def test_gitlab_com_119():
     # Ensure rec1 has prop, rec2 does not
     assert not empty_diff(rec1, rec2)
     assert len(rec2.properties) == 0
+    diff1, diff2 = compare_entities(rec1, rec2)
+    assert prop.id in diff1["properties"]
+    assert None not in diff1["properties"]
+    assert len(diff2["properties"]) == 0
 
     # Merge and check rec2 now has prop
     merge_entities(rec2, rec1)
+    assert rec2.get_property(prop) is not None
     assert empty_diff(rec1.get_property(prop), rec2.get_property(prop))