TST: Add tests for #55431 (#58367)

* Add tests for #55431 * Fix inconsistent pandas namespace usage * Fix inconsistent pandas namespace usage again * Temp disable part of test potentialy due to known bug * Remove unnecessary comments and adjust implementation --------- Co-authored-by: Jason Mok <jasonmok@Jasons-Air-4.attlocal.net> Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>

Author: 3 people

pandas/tests/reshape/test_cut.py

@@ -789,3 +789,17 @@ def test_cut_with_nullable_int64():
  result = cut(series, bins=bins)
 
  tm.assert_series_equal(result, expected)
+
+
+def test_cut_datetime_array_no_attributeerror():
+ # GH 55431
+ ser = Series(to_datetime(["2023-10-06 12:00:00+0000", "2023-10-07 12:00:00+0000"]))
+
+ result = cut(ser.array, bins=2)
+
+ categories = result.categories
+ expected = Categorical.from_codes([0, 1], categories=categories, ordered=True)
+
+ tm.assert_categorical_equal(
+ result, expected, check_dtype=True, check_category_order=True
+ )