mirror of https://github.com/python/cpython
208 lines
6.9 KiB
Python
208 lines
6.9 KiB
Python
import unittest
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from email import _encoded_words as _ew
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from email import errors
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from test.test_email import TestEmailBase
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class TestDecodeQ(TestEmailBase):
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def _test(self, source, ex_result, ex_defects=[]):
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result, defects = _ew.decode_q(source)
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self.assertEqual(result, ex_result)
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self.assertDefectsEqual(defects, ex_defects)
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def test_no_encoded(self):
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self._test(b'foobar', b'foobar')
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def test_spaces(self):
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self._test(b'foo=20bar=20', b'foo bar ')
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self._test(b'foo_bar_', b'foo bar ')
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def test_run_of_encoded(self):
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self._test(b'foo=20=20=21=2Cbar', b'foo !,bar')
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class TestDecodeB(TestEmailBase):
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def _test(self, source, ex_result, ex_defects=[]):
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result, defects = _ew.decode_b(source)
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self.assertEqual(result, ex_result)
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self.assertDefectsEqual(defects, ex_defects)
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def test_simple(self):
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self._test(b'Zm9v', b'foo')
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def test_missing_padding(self):
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# 1 missing padding character
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self._test(b'dmk', b'vi', [errors.InvalidBase64PaddingDefect])
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# 2 missing padding characters
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self._test(b'dg', b'v', [errors.InvalidBase64PaddingDefect])
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def test_invalid_character(self):
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self._test(b'dm\x01k===', b'vi', [errors.InvalidBase64CharactersDefect])
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def test_invalid_character_and_bad_padding(self):
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self._test(b'dm\x01k', b'vi', [errors.InvalidBase64CharactersDefect,
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errors.InvalidBase64PaddingDefect])
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def test_invalid_length(self):
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self._test(b'abcde', b'abcde', [errors.InvalidBase64LengthDefect])
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class TestDecode(TestEmailBase):
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def test_wrong_format_input_raises(self):
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with self.assertRaises(ValueError):
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_ew.decode('=?badone?=')
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with self.assertRaises(ValueError):
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_ew.decode('=?')
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with self.assertRaises(ValueError):
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_ew.decode('')
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with self.assertRaises(KeyError):
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_ew.decode('=?utf-8?X?somevalue?=')
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def _test(self, source, result, charset='us-ascii', lang='', defects=[]):
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res, char, l, d = _ew.decode(source)
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self.assertEqual(res, result)
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self.assertEqual(char, charset)
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self.assertEqual(l, lang)
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self.assertDefectsEqual(d, defects)
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def test_simple_q(self):
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self._test('=?us-ascii?q?foo?=', 'foo')
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def test_simple_b(self):
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self._test('=?us-ascii?b?dmk=?=', 'vi')
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def test_q_case_ignored(self):
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self._test('=?us-ascii?Q?foo?=', 'foo')
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def test_b_case_ignored(self):
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self._test('=?us-ascii?B?dmk=?=', 'vi')
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def test_non_trivial_q(self):
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self._test('=?latin-1?q?=20F=fcr=20Elise=20?=', ' Für Elise ', 'latin-1')
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def test_q_escaped_bytes_preserved(self):
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self._test(b'=?us-ascii?q?=20\xACfoo?='.decode('us-ascii',
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'surrogateescape'),
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' \uDCACfoo',
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defects = [errors.UndecodableBytesDefect])
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def test_b_undecodable_bytes_ignored_with_defect(self):
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self._test(b'=?us-ascii?b?dm\xACk?='.decode('us-ascii',
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'surrogateescape'),
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'vi',
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defects = [
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errors.InvalidBase64CharactersDefect,
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errors.InvalidBase64PaddingDefect])
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def test_b_invalid_bytes_ignored_with_defect(self):
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self._test('=?us-ascii?b?dm\x01k===?=',
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'vi',
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defects = [errors.InvalidBase64CharactersDefect])
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def test_b_invalid_bytes_incorrect_padding(self):
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self._test('=?us-ascii?b?dm\x01k?=',
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'vi',
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defects = [
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errors.InvalidBase64CharactersDefect,
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errors.InvalidBase64PaddingDefect])
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def test_b_padding_defect(self):
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self._test('=?us-ascii?b?dmk?=',
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'vi',
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defects = [errors.InvalidBase64PaddingDefect])
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def test_nonnull_lang(self):
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self._test('=?us-ascii*jive?q?test?=', 'test', lang='jive')
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def test_unknown_8bit_charset(self):
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self._test('=?unknown-8bit?q?foo=ACbar?=',
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b'foo\xacbar'.decode('ascii', 'surrogateescape'),
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charset = 'unknown-8bit',
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defects = [])
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def test_unknown_charset(self):
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self._test('=?foobar?q?foo=ACbar?=',
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b'foo\xacbar'.decode('ascii', 'surrogateescape'),
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charset = 'foobar',
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# XXX Should this be a new Defect instead?
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defects = [errors.CharsetError])
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def test_invalid_character_in_charset(self):
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self._test('=?utf-8\udce2\udc80\udc9d?q?foo=ACbar?=',
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b'foo\xacbar'.decode('ascii', 'surrogateescape'),
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charset = 'utf-8\udce2\udc80\udc9d',
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# XXX Should this be a new Defect instead?
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defects = [errors.CharsetError])
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def test_q_nonascii(self):
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self._test('=?utf-8?q?=C3=89ric?=',
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'Éric',
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charset='utf-8')
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class TestEncodeQ(TestEmailBase):
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def _test(self, src, expected):
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self.assertEqual(_ew.encode_q(src), expected)
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def test_all_safe(self):
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self._test(b'foobar', 'foobar')
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def test_spaces(self):
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self._test(b'foo bar ', 'foo_bar_')
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def test_run_of_encodables(self):
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self._test(b'foo ,,bar', 'foo__=2C=2Cbar')
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class TestEncodeB(TestEmailBase):
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def test_simple(self):
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self.assertEqual(_ew.encode_b(b'foo'), 'Zm9v')
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def test_padding(self):
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self.assertEqual(_ew.encode_b(b'vi'), 'dmk=')
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class TestEncode(TestEmailBase):
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def test_q(self):
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self.assertEqual(_ew.encode('foo', 'utf-8', 'q'), '=?utf-8?q?foo?=')
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def test_b(self):
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self.assertEqual(_ew.encode('foo', 'utf-8', 'b'), '=?utf-8?b?Zm9v?=')
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def test_auto_q(self):
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self.assertEqual(_ew.encode('foo', 'utf-8'), '=?utf-8?q?foo?=')
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def test_auto_q_if_short_mostly_safe(self):
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self.assertEqual(_ew.encode('vi.', 'utf-8'), '=?utf-8?q?vi=2E?=')
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def test_auto_b_if_enough_unsafe(self):
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self.assertEqual(_ew.encode('.....', 'utf-8'), '=?utf-8?b?Li4uLi4=?=')
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def test_auto_b_if_long_unsafe(self):
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self.assertEqual(_ew.encode('vi.vi.vi.vi.vi.', 'utf-8'),
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'=?utf-8?b?dmkudmkudmkudmkudmku?=')
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def test_auto_q_if_long_mostly_safe(self):
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self.assertEqual(_ew.encode('vi vi vi.vi ', 'utf-8'),
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'=?utf-8?q?vi_vi_vi=2Evi_?=')
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def test_utf8_default(self):
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self.assertEqual(_ew.encode('foo'), '=?utf-8?q?foo?=')
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def test_lang(self):
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self.assertEqual(_ew.encode('foo', lang='jive'), '=?utf-8*jive?q?foo?=')
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def test_unknown_8bit(self):
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self.assertEqual(_ew.encode('foo\uDCACbar', charset='unknown-8bit'),
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'=?unknown-8bit?q?foo=ACbar?=')
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if __name__ == '__main__':
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unittest.main()
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