https://github.com/python/cpython/commit/740db907a8bb51bcfb4e226968f112a4e3bdc1bb
commit: 740db907a8bb51bcfb4e226968f112a4e3bdc1bb
branch: 3.13
author: Bera <[email protected]>
committer: sobolevn <[email protected]>
date: 2026-01-20T21:34:43+03:00
summary:
[3.13] gh-143866: Verify return value of `pathlib.write_{bytes,text}` methods
in tests (GH-143870) (#144078)
(cherry picked from commit cb6a662bb0f7a9da9d4ba9dda820053f8d54a9f8)
Co-authored-by: sobolevn <[email protected]>
files:
M Lib/test/test_pathlib/test_pathlib_abc.py
diff --git a/Lib/test/test_pathlib/test_pathlib_abc.py
b/Lib/test/test_pathlib/test_pathlib_abc.py
index d9e51c0e3d6411..170511a26daa8c 100644
--- a/Lib/test/test_pathlib/test_pathlib_abc.py
+++ b/Lib/test/test_pathlib/test_pathlib_abc.py
@@ -1630,20 +1630,22 @@ def test_open_common(self):
def test_read_write_bytes(self):
p = self.cls(self.base)
- (p / 'fileA').write_bytes(b'abcdefg')
- self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
+ data = b'abcdefg'
+ self.assertEqual(len(data), (p / 'fileA').write_bytes(data))
+ self.assertEqual((p / 'fileA').read_bytes(), data)
# Check that trying to write str does not truncate the file.
self.assertRaises(TypeError, (p / 'fileA').write_bytes, 'somestr')
- self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
+ self.assertEqual((p / 'fileA').read_bytes(), data)
def test_read_write_text(self):
p = self.cls(self.base)
- (p / 'fileA').write_text('äbcdefg', encoding='latin-1')
+ data = 'äbcdefg'
+ self.assertEqual(len(data), (p / 'fileA').write_text(data,
encoding='latin-1'))
self.assertEqual((p / 'fileA').read_text(
encoding='utf-8', errors='ignore'), 'bcdefg')
# Check that trying to write bytes does not truncate the file.
self.assertRaises(TypeError, (p / 'fileA').write_text, b'somebytes')
- self.assertEqual((p / 'fileA').read_text(encoding='latin-1'),
'äbcdefg')
+ self.assertEqual((p / 'fileA').read_text(encoding='latin-1'), data)
def test_read_text_with_newlines(self):
p = self.cls(self.base)
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