AlenkaF commented on code in PR #39593:
URL: https://github.com/apache/arrow/pull/39593#discussion_r1461593226


##########
python/pyarrow/tests/test_dataset.py:
##########
@@ -701,6 +701,16 @@ def test_partitioning():
             load_back_table = load_back.to_table()
             assert load_back_table.equals(table)
 
+    # test invalid partitioning input
+    with tempfile.TemporaryDirectory() as tempdir:
+        partitioning = ds.DirectoryPartitioning(partitioning_schema)
+        ds.write_dataset(table, tempdir,
+                         format='ipc', partitioning=partitioning)
+        load_back = None
+        with pytest.raises(ValueError):

Review Comment:
   ```suggestion
           with pytest.raises(ValueError,
                              match="Expected Partitioning or 
PartitioningFactory"):
   ```



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