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Diffstat (limited to 'Lib/test/test_shutil.py')
| -rw-r--r-- | Lib/test/test_shutil.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py index 3490362..9325bc7 100644 --- a/Lib/test/test_shutil.py +++ b/Lib/test/test_shutil.py @@ -1,6 +1,7 @@ # Copyright (C) 2003 Python Software Foundation import unittest +import unittest.mock import shutil import tempfile import sys @@ -758,6 +759,20 @@ class TestShutil(unittest.TestCase): self.assertEqual(os.stat(restrictive_subdir).st_mode, os.stat(restrictive_subdir_dst).st_mode) + @unittest.mock.patch('os.chmod') + def test_copytree_winerror(self, mock_patch): + # When copying to VFAT, copystat() raises OSError. On Windows, the + # exception object has a meaningful 'winerror' attribute, but not + # on other operating systems. Do not assume 'winerror' is set. + src_dir = tempfile.mkdtemp() + dst_dir = os.path.join(tempfile.mkdtemp(), 'destination') + self.addCleanup(shutil.rmtree, src_dir) + self.addCleanup(shutil.rmtree, os.path.dirname(dst_dir)) + + mock_patch.side_effect = PermissionError('ka-boom') + with self.assertRaises(shutil.Error): + shutil.copytree(src_dir, dst_dir) + @unittest.skipIf(os.name == 'nt', 'temporarily disabled on Windows') @unittest.skipUnless(hasattr(os, 'link'), 'requires os.link') def test_dont_copy_file_onto_link_to_itself(self): |