Extract test for shutil.rmtree callback to its own file

setuptools/tests/test_bdist_wheel.py

@@ -11,20 +11,14 @@
 import sysconfig
 from contextlib import suppress
 from inspect import cleandoc
-from unittest.mock import Mock
 from zipfile import ZipFile
 
 import jaraco.path
 import pytest
 from packaging import tags
 
 import setuptools
-from setuptools.command.bdist_wheel import (
-    bdist_wheel,
-    get_abi_tag,
-    remove_readonly,
-    remove_readonly_exc,
-)
+from setuptools.command.bdist_wheel import bdist_wheel, get_abi_tag
 from setuptools.dist import Distribution
 from setuptools.warnings import SetuptoolsDeprecationWarning
 
@@ -510,29 +504,6 @@ def test_platform_with_space(dummy_dist, monkeypatch):
     bdist_wheel_cmd(plat_name="isilon onefs").run()
 
 
-def test_rmtree_readonly(monkeypatch, tmp_path):
-    """Verify onerr works as expected"""
-
-    bdist_dir = tmp_path / "with_readonly"
-    bdist_dir.mkdir()
-    some_file = bdist_dir.joinpath("file.txt")
-    some_file.touch()
-    some_file.chmod(stat.S_IREAD)
-
-    expected_count = 1 if sys.platform.startswith("win") else 0
-
-    if sys.version_info < (3, 12):
-        count_remove_readonly = Mock(side_effect=remove_readonly)
-        shutil.rmtree(bdist_dir, onerror=count_remove_readonly)
-        assert count_remove_readonly.call_count == expected_count
-    else:
-        count_remove_readonly_exc = Mock(side_effect=remove_readonly_exc)
-        shutil.rmtree(bdist_dir, onexc=count_remove_readonly_exc)
-        assert count_remove_readonly_exc.call_count == expected_count
-
-    assert not bdist_dir.is_dir()
-
-
 def test_data_dir_with_tag_build(monkeypatch, tmp_path):
     """
     Setuptools allow authors to set PEP 440's local version segments

setuptools/tests/test_shutil_wrapper.py

@@ -0,0 +1,23 @@
+import stat
+import sys
+from unittest.mock import Mock
+
+from setuptools import _shutil
+
+
+def test_rmtree_readonly(monkeypatch, tmp_path):
+    """Verify onerr works as expected"""
+
+    tmp_dir = tmp_path / "with_readonly"
+    tmp_dir.mkdir()
+    some_file = tmp_dir.joinpath("file.txt")
+    some_file.touch()
+    some_file.chmod(stat.S_IREAD)
+
+    expected_count = 1 if sys.platform.startswith("win") else 0
+    chmod_fn = Mock(wraps=_shutil.attempt_chmod_verbose)
+    monkeypatch.setattr(_shutil, "attempt_chmod_verbose", chmod_fn)
+
+    _shutil.rmtree(tmp_dir)
+    assert chmod_fn.call_count == expected_count
+    assert not tmp_dir.is_dir()