test current setup

Author: aaronchucarroll

pandas/core/strings/accessor.py

@@ -2482,9 +2482,11 @@ def get_dummies(
         1   False  False   False
         2   True   False   True
         """
+        from pandas.core.dtypes.common import is_string_dtype
+
         from pandas.core.frame import DataFrame
 
-        if dtype in (str, "str[pyarrow]"):
+        if is_string_dtype(dtype):
             raise ValueError("string dtype not supported, please use a numeric dtype")
         # we need to cast to Series of strings as only that has all
         # methods available for making the dummies...

pandas/tests/strings/test_get_dummies.py

@@ -1,8 +1,6 @@
 import numpy as np
 import pytest
 
-from pandas._config import using_string_dtype
-
 import pandas.util._test_decorators as td
 
 from pandas import (
@@ -13,6 +11,11 @@
     _testing as tm,
 )
 
+try:
+    import pyarrow as pa
+except ImportError:
+    pa = None
+
 
 def test_get_dummies(any_string_dtype):
     s = Series(["a|b", "a|c", np.nan], dtype=any_string_dtype)
@@ -93,7 +96,6 @@ def test_get_dummies_with_pyarrow_dtype(any_string_dtype, dtype):
 
 
 # GH#47872
-@pytest.mark.xfail(using_string_dtype(), reason="TODO(infer_string)")
 def test_get_dummies_with_str_dtype(any_string_dtype):
     s = Series(["a|b", "a|c", np.nan], dtype=any_string_dtype)
     with pytest.raises(