MAINT Parameters validation for sklearn.utils.resample (scikit-learn#26139)

Author: elabongaatuo

sklearn/tests/test_public_functions.py

@@ -254,6 +254,7 @@ def _check_function_param_validation(
     "sklearn.tree.export_text",
     "sklearn.tree.plot_tree",
     "sklearn.utils.gen_batches",
+    "sklearn.utils.resample",
 ]
 
 

sklearn/utils/__init__.py

@@ -465,6 +465,14 @@ def _get_column_indices(X, key):
         )
 
 
+@validate_params(
+    {
+        "replace": ["boolean"],
+        "n_samples": [Interval(numbers.Integral, 1, None, closed="left"), None],
+        "random_state": ["random_state"],
+        "stratify": ["array-like", None],
+    }
+)
 def resample(*arrays, replace=True, n_samples=None, random_state=None, stratify=None):
     """Resample arrays or sparse matrices in a consistent way.