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import sys
import unittest
from unittest.mock import patch
from gajim.common.helpers import sanitize_filename
class SanitizeTest(unittest.TestCase):
'''Tests for the sanitize_filename function.'''
@patch.object(sys, 'platform', 'win32')
def test_invalid_chars(self):
'''Make sure invalid characters are removed in filenames'''
self.assertEqual(sanitize_filename('A/B/C'), 'ABC')
self.assertEqual(sanitize_filename('A*C.d'), 'AC.d')
self.assertEqual(sanitize_filename('A?C.d'), 'AC.d')
@patch.object(sys, 'platform', 'win32')
def test_invalid_suffix(self):
'''Dots are not allowed at the end'''
self.assertEqual(sanitize_filename('def.'), 'def')
self.assertEqual(sanitize_filename('def.ghi'), 'def.ghi')
self.assertTrue(sanitize_filename('X' * 1000 + '.').endswith('X'))
@patch.object(sys, 'platform', 'win32')
def test_reserved_words(self):
'''Make sure reserved Windows words are prefixed'''
self.assertEqual(sanitize_filename('NUL'), '__NUL')
self.assertEqual(sanitize_filename('..'), '__')
@patch.object(sys, 'platform', 'win32')
def test_long_names(self):
'''Make sure long names are truncated'''
self.assertEqual(len(sanitize_filename('X' * 300)), 50)
self.assertEqual(len(sanitize_filename(
'.'.join(['X' * 100, 'X' * 100, 'X' * 100]))), 50)
self.assertEqual(len(sanitize_filename(
'.'.join(['X' * 300, 'X' * 300, 'X' * 300]))), 50)
self.assertEqual(len(sanitize_filename('.' * 300 + '.txt')), 50)
@patch.object(sys, 'platform', 'win32')
def test_unicode_normalization(self):
'''Names should be NFKD normalized'''
self.assertEqual(sanitize_filename('ў'), chr(1091) + chr(774))
@patch.object(sys, 'platform', 'win32')
def test_extensions(self):
'''Filename extensions should be preserved when possible.'''
really_long_name = 'X' * 1000 + '.pdf'
self.assertTrue(sanitize_filename(really_long_name).endswith('.pdf'))
self.assertTrue(sanitize_filename('X' * 1000).endswith('X'))
self.assertTrue(sanitize_filename(
'X' * 100 + '.' + 'X' * 100 + '.pdf').endswith('.pdf'))
self.assertTrue(sanitize_filename(
'X' * 100 + '.' + 'X' * 400).endswith('X'))
self.assertTrue(sanitize_filename(
'X' * 100 + '.' + 'X' * 400 + '.pdf').endswith('.pdf'))
if __name__ == '__main__':
unittest.main()
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