diff options
Diffstat (limited to 'Lib/test/test_pathlib.py')
| -rw-r--r-- | Lib/test/test_pathlib.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Lib/test/test_pathlib.py b/Lib/test/test_pathlib.py index 2cb6738..17292dc 100644 --- a/Lib/test/test_pathlib.py +++ b/Lib/test/test_pathlib.py @@ -1510,6 +1510,26 @@ class _BasePathTest(object): self.assertRaises(TypeError, (p / 'fileA').write_text, b'somebytes') self.assertEqual((p / 'fileA').read_text(encoding='latin-1'), 'äbcdefg') + def test_write_text_with_newlines(self): + p = self.cls(BASE) + # Check that `\n` character change nothing + (p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\n') + self.assertEqual((p / 'fileA').read_bytes(), + b'abcde\r\nfghlk\n\rmnopq') + # Check that `\r` character replaces `\n` + (p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\r') + self.assertEqual((p / 'fileA').read_bytes(), + b'abcde\r\rfghlk\r\rmnopq') + # Check that `\r\n` character replaces `\n` + (p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\r\n') + self.assertEqual((p / 'fileA').read_bytes(), + b'abcde\r\r\nfghlk\r\n\rmnopq') + # Check that no argument passed will change `\n` to `os.linesep` + os_linesep_byte = bytes(os.linesep, encoding='ascii') + (p / 'fileA').write_text('abcde\nfghlk\n\rmnopq') + self.assertEqual((p / 'fileA').read_bytes(), + b'abcde' + os_linesep_byte + b'fghlk' + os_linesep_byte + b'\rmnopq') + def test_iterdir(self): P = self.cls p = P(BASE) |