Align MultiIndex.get_indexder with pandas 2.2 change

python/cudf/cudf/core/multiindex.py

@@ -1862,6 +1862,12 @@ def get_indexer(self, target, method=None, limit=None, tolerance=None):
         result_series = cudf.Series(result)
 
         if method in {"ffill", "bfill", "pad", "backfill"}:
+            if not (
+                self.is_monotonic_increasing or self.is_monotonic_decreasing
+            ):
+                raise ValueError(
+                    "index must be monotonic increasing or decreasing"
+                )
             result_series = _get_indexer_basic(
                 index=self,
                 positions=result_series,

python/cudf/cudf/tests/test_index.py

@@ -2067,14 +2067,6 @@ def test_get_loc_multi_numeric_deviate(idx, key, result):
         assert_eq(expected, got)
 
 
-@pytest.mark.parametrize(
-    "idx",
-    [
-        pd.MultiIndex.from_tuples(
-            [(2, 1, 1), (1, 2, 3), (1, 2, 1), (1, 1, 10), (1, 1, 1), (2, 2, 1)]
-        )
-    ],
-)
 @pytest.mark.parametrize(
     "key",
     [
@@ -2084,19 +2076,29 @@ def test_get_loc_multi_numeric_deviate(idx, key, result):
     ],
 )
 @pytest.mark.parametrize("method", [None, "ffill", "bfill"])
-def test_get_indexer_multi_numeric_deviate(request, idx, key, method):
-    pi = idx
+def test_get_indexer_multi_numeric_deviate(request, key, method):
+    pi = pd.MultiIndex.from_tuples(
+        [(2, 1, 1), (1, 2, 3), (1, 2, 1), (1, 1, 10), (1, 1, 1), (2, 2, 1)]
+    )
     gi = cudf.from_pandas(pi)
     request.applymarker(
         pytest.mark.xfail(
-            condition=method is not None and key == ((1, 2, 3),),
+            condition=method is not None
+            and key == ((1, 2, 3),)
+            and not PANDAS_GE_220,
             reason="https://github.com/pandas-dev/pandas/issues/53452",
         )
     )
-    expected = pi.get_indexer(key, method=method)
-    got = gi.get_indexer(key, method=method)
-
-    assert_eq(expected, got)
+    if method is not None:
+        with pytest.raises(ValueError):
+            gi.get_indexer(key, method=method)
+        if PANDAS_GE_220:
+            with pytest.raises(ValueError):
+                pi.get_indexer(key, method=method)
+    else:
+        got = gi.get_indexer(key, method=method)
+        expected = pi.get_indexer(key, method=method)
+        assert_eq(got, expected)
 
 
 @pytest.mark.parametrize(
@@ -3094,7 +3096,7 @@ def test_index_with_index_dtype(data, dtype):
 
 
 def test_period_index_error():
-    pidx = pd.PeriodIndex(year=[2000, 2002], quarter=[1, 3])
+    pidx = pd.PeriodIndex(data=[pd.Period("2020-01")])
     with pytest.raises(NotImplementedError):
         cudf.from_pandas(pidx)
     with pytest.raises(NotImplementedError):