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