| import codecs |
| import contextlib |
| import io |
| import re |
| import sys |
| import unittest |
| import unittest.mock as mock |
| import _testcapi |
| from test.support import import_helper |
| |
| _testlimitedcapi = import_helper.import_module('_testlimitedcapi') |
| |
| NULL = None |
| BAD_ARGUMENT = re.escape('bad argument type for built-in operation') |
| |
| |
| class CAPIUnicodeTest(unittest.TestCase): |
| # TODO: Test the following functions: |
| # |
| # PyUnicode_BuildEncodingMap |
| # PyUnicode_FSConverter |
| # PyUnicode_FSDecoder |
| # PyUnicode_DecodeMBCS |
| # PyUnicode_DecodeMBCSStateful |
| # PyUnicode_DecodeCodePageStateful |
| # PyUnicode_AsMBCSString |
| # PyUnicode_EncodeCodePage |
| # PyUnicode_DecodeLocaleAndSize |
| # PyUnicode_DecodeLocale |
| # PyUnicode_EncodeLocale |
| # PyUnicode_DecodeFSDefault |
| # PyUnicode_DecodeFSDefaultAndSize |
| # PyUnicode_EncodeFSDefault |
| |
| def test_fromencodedobject(self): |
| """Test PyUnicode_FromEncodedObject()""" |
| fromencodedobject = _testlimitedcapi.unicode_fromencodedobject |
| |
| self.assertEqual(fromencodedobject(b'abc', NULL), 'abc') |
| self.assertEqual(fromencodedobject(b'abc', 'ascii'), 'abc') |
| b = b'a\xc2\xa1\xe4\xbd\xa0\xf0\x9f\x98\x80' |
| s = 'a\xa1\u4f60\U0001f600' |
| self.assertEqual(fromencodedobject(b, NULL), s) |
| self.assertEqual(fromencodedobject(b, 'utf-8'), s) |
| self.assertEqual(fromencodedobject(b, 'latin1'), b.decode('latin1')) |
| self.assertRaises(UnicodeDecodeError, fromencodedobject, b, 'ascii') |
| self.assertEqual(fromencodedobject(b, 'ascii', 'replace'), |
| 'a' + '\ufffd'*9) |
| self.assertEqual(fromencodedobject(bytearray(b), NULL), s) |
| self.assertEqual(fromencodedobject(bytearray(b), 'utf-8'), s) |
| self.assertRaises(LookupError, fromencodedobject, b'abc', 'foo') |
| self.assertRaises(LookupError, fromencodedobject, b, 'ascii', 'foo') |
| self.assertRaises(TypeError, fromencodedobject, 'abc', NULL) |
| self.assertRaises(TypeError, fromencodedobject, 'abc', 'ascii') |
| self.assertRaises(TypeError, fromencodedobject, [], NULL) |
| self.assertRaises(TypeError, fromencodedobject, [], 'ascii') |
| self.assertRaises(SystemError, fromencodedobject, NULL, NULL) |
| self.assertRaises(SystemError, fromencodedobject, NULL, 'ascii') |
| |
| def test_decode(self): |
| """Test PyUnicode_Decode()""" |
| decode = _testlimitedcapi.unicode_decode |
| |
| self.assertEqual(decode(b'[\xe2\x82\xac]', 'utf-8'), '[\u20ac]') |
| self.assertEqual(decode(b'[\xa4]', 'iso8859-15'), '[\u20ac]') |
| self.assertEqual(decode(b'[\xa4]', 'iso8859-15', 'strict'), '[\u20ac]') |
| self.assertRaises(UnicodeDecodeError, decode, b'[\xa4]', 'utf-8') |
| self.assertEqual(decode(b'[\xa4]', 'utf-8', 'replace'), '[\ufffd]') |
| |
| self.assertEqual(decode(b'[\xe2\x82\xac]', NULL), '[\u20ac]') |
| self.assertEqual(decode(b'[\xa4]', NULL, 'replace'), '[\ufffd]') |
| |
| self.assertRaises(LookupError, decode, b'\xa4', 'foo') |
| self.assertRaises(LookupError, decode, b'\xa4', 'utf-8', 'foo') |
| # TODO: Test PyUnicode_Decode() with NULL as data and |
| # negative size. |
| |
| def test_asencodedstring(self): |
| """Test PyUnicode_AsEncodedString()""" |
| asencodedstring = _testlimitedcapi.unicode_asencodedstring |
| |
| self.assertEqual(asencodedstring('abc', NULL), b'abc') |
| self.assertEqual(asencodedstring('abc', 'ascii'), b'abc') |
| s = 'a\xa1\u4f60\U0001f600' |
| b = b'a\xc2\xa1\xe4\xbd\xa0\xf0\x9f\x98\x80' |
| self.assertEqual(asencodedstring(s, NULL), b) |
| self.assertEqual(asencodedstring(s, 'utf-8'), b) |
| self.assertEqual(asencodedstring('\xa1\xa2', 'latin1'), b'\xa1\xa2') |
| self.assertRaises(UnicodeEncodeError, asencodedstring, '\xa1\xa2', 'ascii') |
| self.assertEqual(asencodedstring(s, 'ascii', 'replace'), b'a???') |
| |
| self.assertRaises(LookupError, asencodedstring, 'abc', 'foo') |
| self.assertRaises(LookupError, asencodedstring, s, 'ascii', 'foo') |
| self.assertRaises(TypeError, asencodedstring, b'abc', NULL) |
| self.assertRaises(TypeError, asencodedstring, b'abc', 'ascii') |
| self.assertRaises(TypeError, asencodedstring, [], NULL) |
| self.assertRaises(TypeError, asencodedstring, [], 'ascii') |
| # CRASHES asencodedstring(NULL, NULL) |
| # CRASHES asencodedstring(NULL, 'ascii') |
| |
| def test_decodeutf8(self): |
| """Test PyUnicode_DecodeUTF8()""" |
| decodeutf8 = _testlimitedcapi.unicode_decodeutf8 |
| |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| b = s.encode('utf-8') |
| self.assertEqual(decodeutf8(b), s) |
| self.assertEqual(decodeutf8(b, 'strict'), s) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf8, b'\x80') |
| self.assertRaises(UnicodeDecodeError, decodeutf8, b'\xc0') |
| self.assertRaises(UnicodeDecodeError, decodeutf8, b'\xff') |
| self.assertRaises(UnicodeDecodeError, decodeutf8, b'a\xf0\x9f') |
| self.assertEqual(decodeutf8(b'a\xf0\x9f', 'replace'), 'a\ufffd') |
| self.assertEqual(decodeutf8(b'a\xf0\x9fb', 'replace'), 'a\ufffdb') |
| |
| self.assertRaises(LookupError, decodeutf8, b'a\x80', 'foo') |
| # TODO: Test PyUnicode_DecodeUTF8() with NULL as data and |
| # negative size. |
| |
| def test_decodeutf8stateful(self): |
| """Test PyUnicode_DecodeUTF8Stateful()""" |
| decodeutf8stateful = _testlimitedcapi.unicode_decodeutf8stateful |
| |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| b = s.encode('utf-8') |
| self.assertEqual(decodeutf8stateful(b), (s, len(b))) |
| self.assertEqual(decodeutf8stateful(b, 'strict'), (s, len(b))) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'\x80') |
| self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'\xc0') |
| self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'\xff') |
| self.assertEqual(decodeutf8stateful(b'a\xf0\x9f'), ('a', 1)) |
| self.assertEqual(decodeutf8stateful(b'a\xf0\x9f', 'replace'), ('a', 1)) |
| self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'a\xf0\x9fb') |
| self.assertEqual(decodeutf8stateful(b'a\xf0\x9fb', 'replace'), ('a\ufffdb', 4)) |
| |
| self.assertRaises(LookupError, decodeutf8stateful, b'a\x80', 'foo') |
| # TODO: Test PyUnicode_DecodeUTF8Stateful() with NULL as data and |
| # negative size. |
| # TODO: Test PyUnicode_DecodeUTF8Stateful() with NULL as the address of |
| # "consumed". |
| |
| def test_asutf8string(self): |
| """Test PyUnicode_AsUTF8String()""" |
| asutf8string = _testlimitedcapi.unicode_asutf8string |
| |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| self.assertEqual(asutf8string(s), s.encode('utf-8')) |
| |
| self.assertRaises(UnicodeEncodeError, asutf8string, '\ud8ff') |
| self.assertRaises(TypeError, asutf8string, b'abc') |
| self.assertRaises(TypeError, asutf8string, []) |
| # CRASHES asutf8string(NULL) |
| |
| def test_decodeutf16(self): |
| """Test PyUnicode_DecodeUTF16()""" |
| decodeutf16 = _testlimitedcapi.unicode_decodeutf16 |
| |
| naturalbyteorder = -1 if sys.byteorder == 'little' else 1 |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| b = s.encode('utf-16') |
| self.assertEqual(decodeutf16(0, b), (naturalbyteorder, s)) |
| b = s.encode('utf-16le') |
| self.assertEqual(decodeutf16(-1, b), (-1, s)) |
| self.assertEqual(decodeutf16(0, b'\xff\xfe'+b), (-1, s)) |
| b = s.encode('utf-16be') |
| self.assertEqual(decodeutf16(1, b), (1, s)) |
| self.assertEqual(decodeutf16(0, b'\xfe\xff'+b), (1, s)) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf16, -1, b'a') |
| self.assertRaises(UnicodeDecodeError, decodeutf16, 1, b'a') |
| self.assertRaises(UnicodeDecodeError, decodeutf16, 0, b'\xff\xfea') |
| self.assertRaises(UnicodeDecodeError, decodeutf16, 0, b'\xfe\xffa') |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf16, -1, b'\x00\xde') |
| self.assertRaises(UnicodeDecodeError, decodeutf16, 1, b'\xde\x00') |
| self.assertRaises(UnicodeDecodeError, decodeutf16, 0, b'\xde\xde') |
| self.assertEqual(decodeutf16(-1, b'\x00\xde', 'replace'), (-1, '\ufffd')) |
| self.assertEqual(decodeutf16(1, b'\xde\x00', 'replace'), (1, '\ufffd')) |
| self.assertEqual(decodeutf16(0, b'\xde\xde', 'replace'), (0, '\ufffd')) |
| self.assertEqual(decodeutf16(0, b'\xff\xfe\x00\xde', 'replace'), (-1, '\ufffd')) |
| self.assertEqual(decodeutf16(0, b'\xfe\xff\xde\x00', 'replace'), (1, '\ufffd')) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf16, -1, b'\x3d\xd8') |
| self.assertRaises(UnicodeDecodeError, decodeutf16, 1, b'\xd8\x3d') |
| self.assertRaises(UnicodeDecodeError, decodeutf16, 0, b'\xd8\xd8') |
| self.assertEqual(decodeutf16(-1, b'\x3d\xd8', 'replace'), (-1, '\ufffd')) |
| self.assertEqual(decodeutf16(1, b'\xd8\x3d', 'replace'), (1, '\ufffd')) |
| self.assertEqual(decodeutf16(0, b'\xd8\xd8', 'replace'), (0, '\ufffd')) |
| self.assertEqual(decodeutf16(0, b'\xff\xfe\x3d\xd8', 'replace'), (-1, '\ufffd')) |
| self.assertEqual(decodeutf16(0, b'\xfe\xff\xd8\x3d', 'replace'), (1, '\ufffd')) |
| |
| self.assertRaises(LookupError, decodeutf16, -1, b'\x00\xde', 'foo') |
| self.assertRaises(LookupError, decodeutf16, 1, b'\xde\x00', 'foo') |
| self.assertRaises(LookupError, decodeutf16, 0, b'\xde\xde', 'foo') |
| # TODO: Test PyUnicode_DecodeUTF16() with NULL as data and |
| # negative size. |
| |
| def test_decodeutf16stateful(self): |
| """Test PyUnicode_DecodeUTF16Stateful()""" |
| decodeutf16stateful = _testlimitedcapi.unicode_decodeutf16stateful |
| |
| naturalbyteorder = -1 if sys.byteorder == 'little' else 1 |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| b = s.encode('utf-16') |
| self.assertEqual(decodeutf16stateful(0, b), (naturalbyteorder, s, len(b))) |
| b = s.encode('utf-16le') |
| self.assertEqual(decodeutf16stateful(-1, b), (-1, s, len(b))) |
| self.assertEqual(decodeutf16stateful(0, b'\xff\xfe'+b), (-1, s, len(b)+2)) |
| b = s.encode('utf-16be') |
| self.assertEqual(decodeutf16stateful(1, b), (1, s, len(b))) |
| self.assertEqual(decodeutf16stateful(0, b'\xfe\xff'+b), (1, s, len(b)+2)) |
| |
| self.assertEqual(decodeutf16stateful(-1, b'\x61\x00\x3d'), (-1, 'a', 2)) |
| self.assertEqual(decodeutf16stateful(-1, b'\x61\x00\x3d\xd8'), (-1, 'a', 2)) |
| self.assertEqual(decodeutf16stateful(-1, b'\x61\x00\x3d\xd8\x00'), (-1, 'a', 2)) |
| self.assertEqual(decodeutf16stateful(1, b'\x00\x61\xd8'), (1, 'a', 2)) |
| self.assertEqual(decodeutf16stateful(1, b'\x00\x61\xd8\x3d'), (1, 'a', 2)) |
| self.assertEqual(decodeutf16stateful(1, b'\x00\x61\xd8\x3d\xde'), (1, 'a', 2)) |
| self.assertEqual(decodeutf16stateful(0, b'\xff\xfe\x61\x00\x3d\xd8\x00'), (-1, 'a', 4)) |
| self.assertEqual(decodeutf16stateful(0, b'\xfe\xff\x00\x61\xd8\x3d\xde'), (1, 'a', 4)) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf16stateful, -1, b'\x00\xde') |
| self.assertRaises(UnicodeDecodeError, decodeutf16stateful, 1, b'\xde\x00') |
| self.assertRaises(UnicodeDecodeError, decodeutf16stateful, 0, b'\xde\xde') |
| self.assertEqual(decodeutf16stateful(-1, b'\x00\xde', 'replace'), (-1, '\ufffd', 2)) |
| self.assertEqual(decodeutf16stateful(1, b'\xde\x00', 'replace'), (1, '\ufffd', 2)) |
| self.assertEqual(decodeutf16stateful(0, b'\xde\xde', 'replace'), (0, '\ufffd', 2)) |
| self.assertEqual(decodeutf16stateful(0, b'\xff\xfe\x00\xde', 'replace'), (-1, '\ufffd', 4)) |
| self.assertEqual(decodeutf16stateful(0, b'\xfe\xff\xde\x00', 'replace'), (1, '\ufffd', 4)) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf16stateful, -1, b'\x3d\xd8\x61\x00') |
| self.assertEqual(decodeutf16stateful(-1, b'\x3d\xd8\x61\x00', 'replace'), (-1, '\ufffda', 4)) |
| self.assertRaises(UnicodeDecodeError, decodeutf16stateful, 1, b'\xd8\x3d\x00\x61') |
| self.assertEqual(decodeutf16stateful(1, b'\xd8\x3d\x00\x61', 'replace'), (1, '\ufffda', 4)) |
| |
| self.assertRaises(LookupError, decodeutf16stateful, -1, b'\x00\xde', 'foo') |
| self.assertRaises(LookupError, decodeutf16stateful, 1, b'\xde\x00', 'foo') |
| self.assertRaises(LookupError, decodeutf16stateful, 0, b'\xde\xde', 'foo') |
| # TODO: Test PyUnicode_DecodeUTF16Stateful() with NULL as data and |
| # negative size. |
| # TODO: Test PyUnicode_DecodeUTF16Stateful() with NULL as the address of |
| # "consumed". |
| |
| def test_asutf16string(self): |
| """Test PyUnicode_AsUTF16String()""" |
| asutf16string = _testlimitedcapi.unicode_asutf16string |
| |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| self.assertEqual(asutf16string(s), s.encode('utf-16')) |
| |
| self.assertRaises(UnicodeEncodeError, asutf16string, '\ud8ff') |
| self.assertRaises(TypeError, asutf16string, b'abc') |
| self.assertRaises(TypeError, asutf16string, []) |
| # CRASHES asutf16string(NULL) |
| |
| def test_decodeutf32(self): |
| """Test PyUnicode_DecodeUTF8()""" |
| decodeutf32 = _testlimitedcapi.unicode_decodeutf32 |
| |
| naturalbyteorder = -1 if sys.byteorder == 'little' else 1 |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| b = s.encode('utf-32') |
| self.assertEqual(decodeutf32(0, b), (naturalbyteorder, s)) |
| b = s.encode('utf-32le') |
| self.assertEqual(decodeutf32(-1, b), (-1, s)) |
| self.assertEqual(decodeutf32(0, b'\xff\xfe\x00\x00'+b), (-1, s)) |
| b = s.encode('utf-32be') |
| self.assertEqual(decodeutf32(1, b), (1, s)) |
| self.assertEqual(decodeutf32(0, b'\x00\x00\xfe\xff'+b), (1, s)) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf32, -1, b'\x61\x00\x00\x00\x00') |
| self.assertRaises(UnicodeDecodeError, decodeutf32, 1, b'\x00\x00\x00\x61\x00') |
| self.assertRaises(UnicodeDecodeError, decodeutf32, 0, b'\xff\xfe\x00\x00\x61\x00\x00\x00\x00') |
| self.assertRaises(UnicodeDecodeError, decodeutf32, 0, b'\x00\x00\xfe\xff\x00\x00\x00\x61\x00') |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf32, -1, b'\xff\xff\xff\xff') |
| self.assertRaises(UnicodeDecodeError, decodeutf32, 1, b'\xff\xff\xff\xff') |
| self.assertRaises(UnicodeDecodeError, decodeutf32, 0, b'\xff\xff\xff\xff') |
| self.assertEqual(decodeutf32(-1, b'\xff\xff\xff\xff', 'replace'), (-1, '\ufffd')) |
| self.assertEqual(decodeutf32(1, b'\xff\xff\xff\xff', 'replace'), (1, '\ufffd')) |
| self.assertEqual(decodeutf32(0, b'\xff\xff\xff\xff', 'replace'), (0, '\ufffd')) |
| self.assertEqual(decodeutf32(0, b'\xff\xfe\x00\x00\xff\xff\xff\xff', 'replace'), (-1, '\ufffd')) |
| self.assertEqual(decodeutf32(0, b'\x00\x00\xfe\xff\xff\xff\xff\xff', 'replace'), (1, '\ufffd')) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf32, -1, b'\x3d\xd8\x00\x00') |
| self.assertEqual(decodeutf32(-1, b'\x3d\xd8\x00\x00', 'replace'), (-1, '\ufffd')) |
| self.assertRaises(UnicodeDecodeError, decodeutf32, 1, b'\x00\x00\xd8\x3d') |
| self.assertEqual(decodeutf32(1, b'\x00\x00\xd8\x3d', 'replace'), (1, '\ufffd')) |
| |
| self.assertRaises(LookupError, decodeutf32, -1, b'\xff\xff\xff\xff', 'foo') |
| self.assertRaises(LookupError, decodeutf32, 1, b'\xff\xff\xff\xff', 'foo') |
| self.assertRaises(LookupError, decodeutf32, 0, b'\xff\xff\xff\xff', 'foo') |
| # TODO: Test PyUnicode_DecodeUTF32() with NULL as data and |
| # negative size. |
| |
| def test_decodeutf32stateful(self): |
| """Test PyUnicode_DecodeUTF32Stateful()""" |
| decodeutf32stateful = _testlimitedcapi.unicode_decodeutf32stateful |
| |
| naturalbyteorder = -1 if sys.byteorder == 'little' else 1 |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| b = s.encode('utf-32') |
| self.assertEqual(decodeutf32stateful(0, b), (naturalbyteorder, s, len(b))) |
| b = s.encode('utf-32le') |
| self.assertEqual(decodeutf32stateful(-1, b), (-1, s, len(b))) |
| self.assertEqual(decodeutf32stateful(0, b'\xff\xfe\x00\x00'+b), (-1, s, len(b)+4)) |
| b = s.encode('utf-32be') |
| self.assertEqual(decodeutf32stateful(1, b), (1, s, len(b))) |
| self.assertEqual(decodeutf32stateful(0, b'\x00\x00\xfe\xff'+b), (1, s, len(b)+4)) |
| |
| self.assertEqual(decodeutf32stateful(-1, b'\x61\x00\x00\x00\x00'), (-1, 'a', 4)) |
| self.assertEqual(decodeutf32stateful(-1, b'\x61\x00\x00\x00\x00\xf6'), (-1, 'a', 4)) |
| self.assertEqual(decodeutf32stateful(-1, b'\x61\x00\x00\x00\x00\xf6\x01'), (-1, 'a', 4)) |
| self.assertEqual(decodeutf32stateful(1, b'\x00\x00\x00\x61\x00'), (1, 'a', 4)) |
| self.assertEqual(decodeutf32stateful(1, b'\x00\x00\x00\x61\x00\x01'), (1, 'a', 4)) |
| self.assertEqual(decodeutf32stateful(1, b'\x00\x00\x00\x61\x00\x01\xf6'), (1, 'a', 4)) |
| self.assertEqual(decodeutf32stateful(0, b'\xff\xfe\x00\x00\x61\x00\x00\x00\x00\xf6\x01'), (-1, 'a', 8)) |
| self.assertEqual(decodeutf32stateful(0, b'\x00\x00\xfe\xff\x00\x00\x00\x61\x00\x01\xf6'), (1, 'a', 8)) |
| |
| for b in b'\xff', b'\xff\xff', b'\xff\xff\xff': |
| self.assertEqual(decodeutf32stateful(-1, b), (-1, '', 0)) |
| self.assertEqual(decodeutf32stateful(1, b), (1, '', 0)) |
| self.assertEqual(decodeutf32stateful(0, b), (0, '', 0)) |
| self.assertEqual(decodeutf32stateful(0, b'\xff\xfe\x00\x00'+b), (-1, '', 4)) |
| self.assertEqual(decodeutf32stateful(0, b'\x00\x00\xfe\xff'+b), (1, '', 4)) |
| self.assertRaises(UnicodeDecodeError, decodeutf32stateful, -1, b'\xff\xff\xff\xff') |
| self.assertRaises(UnicodeDecodeError, decodeutf32stateful, 1, b'\xff\xff\xff\xff') |
| self.assertRaises(UnicodeDecodeError, decodeutf32stateful, 0, b'\xff\xff\xff\xff') |
| self.assertEqual(decodeutf32stateful(-1, b'\xff\xff\xff\xff', 'replace'), (-1, '\ufffd', 4)) |
| self.assertEqual(decodeutf32stateful(1, b'\xff\xff\xff\xff', 'replace'), (1, '\ufffd', 4)) |
| self.assertEqual(decodeutf32stateful(0, b'\xff\xff\xff\xff', 'replace'), (0, '\ufffd', 4)) |
| self.assertEqual(decodeutf32stateful(0, b'\xff\xfe\x00\x00\xff\xff\xff\xff', 'replace'), (-1, '\ufffd', 8)) |
| self.assertEqual(decodeutf32stateful(0, b'\x00\x00\xfe\xff\xff\xff\xff\xff', 'replace'), (1, '\ufffd', 8)) |
| |
| self.assertRaises(UnicodeDecodeError, decodeutf32stateful, -1, b'\x3d\xd8\x00\x00') |
| self.assertEqual(decodeutf32stateful(-1, b'\x3d\xd8\x00\x00', 'replace'), (-1, '\ufffd', 4)) |
| self.assertRaises(UnicodeDecodeError, decodeutf32stateful, 1, b'\x00\x00\xd8\x3d') |
| self.assertEqual(decodeutf32stateful(1, b'\x00\x00\xd8\x3d', 'replace'), (1, '\ufffd', 4)) |
| |
| self.assertRaises(LookupError, decodeutf32stateful, -1, b'\xff\xff\xff\xff', 'foo') |
| self.assertRaises(LookupError, decodeutf32stateful, 1, b'\xff\xff\xff\xff', 'foo') |
| self.assertRaises(LookupError, decodeutf32stateful, 0, b'\xff\xff\xff\xff', 'foo') |
| # TODO: Test PyUnicode_DecodeUTF32Stateful() with NULL as data and |
| # negative size. |
| # TODO: Test PyUnicode_DecodeUTF32Stateful() with NULL as the address of |
| # "consumed". |
| |
| def test_asutf32string(self): |
| """Test PyUnicode_AsUTF32String()""" |
| asutf32string = _testlimitedcapi.unicode_asutf32string |
| |
| for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']: |
| self.assertEqual(asutf32string(s), s.encode('utf-32')) |
| |
| self.assertRaises(UnicodeEncodeError, asutf32string, '\ud8ff') |
| self.assertRaises(TypeError, asutf32string, b'abc') |
| self.assertRaises(TypeError, asutf32string, []) |
| # CRASHES asutf32string(NULL) |
| |
| def test_decodelatin1(self): |
| """Test PyUnicode_DecodeLatin1()""" |
| decodelatin1 = _testlimitedcapi.unicode_decodelatin1 |
| |
| self.assertEqual(decodelatin1(b'abc'), 'abc') |
| self.assertEqual(decodelatin1(b'abc', 'strict'), 'abc') |
| self.assertEqual(decodelatin1(b'\xa1\xa2'), '\xa1\xa2') |
| self.assertEqual(decodelatin1(b'\xa1\xa2', 'strict'), '\xa1\xa2') |
| # TODO: Test PyUnicode_DecodeLatin1() with NULL as data and |
| # negative size. |
| |
| def test_aslatin1string(self): |
| """Test PyUnicode_AsLatin1String()""" |
| aslatin1string = _testlimitedcapi.unicode_aslatin1string |
| |
| self.assertEqual(aslatin1string('abc'), b'abc') |
| self.assertEqual(aslatin1string('\xa1\xa2'), b'\xa1\xa2') |
| |
| self.assertRaises(UnicodeEncodeError, aslatin1string, '\u4f60') |
| self.assertRaises(TypeError, aslatin1string, b'abc') |
| self.assertRaises(TypeError, aslatin1string, []) |
| # CRASHES aslatin1string(NULL) |
| |
| def test_decodeascii(self): |
| """Test PyUnicode_DecodeASCII()""" |
| decodeascii = _testlimitedcapi.unicode_decodeascii |
| |
| self.assertEqual(decodeascii(b'abc'), 'abc') |
| self.assertEqual(decodeascii(b'abc', 'strict'), 'abc') |
| |
| self.assertRaises(UnicodeDecodeError, decodeascii, b'\xff') |
| self.assertEqual(decodeascii(b'a\xff', 'replace'), 'a\ufffd') |
| self.assertEqual(decodeascii(b'a\xffb', 'replace'), 'a\ufffdb') |
| |
| self.assertRaises(LookupError, decodeascii, b'a\xff', 'foo') |
| # TODO: Test PyUnicode_DecodeASCII() with NULL as data and |
| # negative size. |
| |
| def test_asasciistring(self): |
| """Test PyUnicode_AsASCIIString()""" |
| asasciistring = _testlimitedcapi.unicode_asasciistring |
| |
| self.assertEqual(asasciistring('abc'), b'abc') |
| |
| self.assertRaises(UnicodeEncodeError, asasciistring, '\x80') |
| self.assertRaises(TypeError, asasciistring, b'abc') |
| self.assertRaises(TypeError, asasciistring, []) |
| # CRASHES asasciistring(NULL) |
| |
| def test_decodecharmap(self): |
| """Test PyUnicode_DecodeCharmap()""" |
| decodecharmap = _testlimitedcapi.unicode_decodecharmap |
| |
| self.assertEqual(decodecharmap(b'\3\0\7', {0: 'a', 3: 'b', 7: 'c'}), 'bac') |
| self.assertEqual(decodecharmap(b'\1\0\2', ['a', 'b', 'c']), 'bac') |
| self.assertEqual(decodecharmap(b'\1\0\2', 'abc'), 'bac') |
| self.assertEqual(decodecharmap(b'\1\0\2', ['\xa1', '\xa2', '\xa3']), '\xa2\xa1\xa3') |
| self.assertEqual(decodecharmap(b'\1\0\2', ['\u4f60', '\u597d', '\u4e16']), '\u597d\u4f60\u4e16') |
| self.assertEqual(decodecharmap(b'\1\0\2', ['\U0001f600', '\U0001f601', '\U0001f602']), '\U0001f601\U0001f600\U0001f602') |
| |
| self.assertEqual(decodecharmap(b'\1\0\2', [97, 98, 99]), 'bac') |
| self.assertEqual(decodecharmap(b'\1\0\2', ['', 'b', 'cd']), 'bcd') |
| |
| self.assertRaises(UnicodeDecodeError, decodecharmap, b'\0', {}) |
| self.assertRaises(UnicodeDecodeError, decodecharmap, b'\0', {0: None}) |
| self.assertEqual(decodecharmap(b'\1\0\2', [None, 'b', 'c'], 'replace'), 'b\ufffdc') |
| self.assertEqual(decodecharmap(b'\1\0\2\xff', NULL), '\1\0\2\xff') |
| self.assertRaises(TypeError, decodecharmap, b'\0', 42) |
| |
| # TODO: Test PyUnicode_DecodeCharmap() with NULL as data and |
| # negative size. |
| |
| def test_ascharmapstring(self): |
| """Test PyUnicode_AsCharmapString()""" |
| ascharmapstring = _testlimitedcapi.unicode_ascharmapstring |
| |
| self.assertEqual(ascharmapstring('abc', {97: 3, 98: 0, 99: 7}), b'\3\0\7') |
| self.assertEqual(ascharmapstring('\xa1\xa2\xa3', {0xa1: 3, 0xa2: 0, 0xa3: 7}), b'\3\0\7') |
| self.assertEqual(ascharmapstring('\u4f60\u597d\u4e16', {0x4f60: 3, 0x597d: 0, 0x4e16: 7}), b'\3\0\7') |
| self.assertEqual(ascharmapstring('\U0001f600\U0001f601\U0001f602', {0x1f600: 3, 0x1f601: 0, 0x1f602: 7}), b'\3\0\7') |
| self.assertEqual(ascharmapstring('abc', {97: 3, 98: b'', 99: b'spam'}), b'\3spam') |
| |
| self.assertRaises(UnicodeEncodeError, ascharmapstring, 'a', {}) |
| self.assertRaises(UnicodeEncodeError, ascharmapstring, 'a', {97: None}) |
| self.assertRaises(TypeError, ascharmapstring, b'a', {}) |
| self.assertRaises(TypeError, ascharmapstring, [], {}) |
| self.assertRaises(TypeError, ascharmapstring, 'a', NULL) |
| # CRASHES ascharmapstring(NULL, {}) |
| |
| def test_decodeunicodeescape(self): |
| """Test PyUnicode_DecodeUnicodeEscape()""" |
| decodeunicodeescape = _testlimitedcapi.unicode_decodeunicodeescape |
| |
| self.assertEqual(decodeunicodeescape(b'abc'), 'abc') |
| self.assertEqual(decodeunicodeescape(br'\t\n\r\x0b\x0c\x00\\'), '\t\n\r\v\f\0\\') |
| self.assertEqual(decodeunicodeescape(b'\t\n\r\x0b\x0c\x00'), '\t\n\r\v\f\0') |
| self.assertEqual(decodeunicodeescape(br'\xa1\xa2'), '\xa1\xa2') |
| self.assertEqual(decodeunicodeescape(b'\xa1\xa2'), '\xa1\xa2') |
| self.assertEqual(decodeunicodeescape(br'\u4f60\u597d'), '\u4f60\u597d') |
| self.assertEqual(decodeunicodeescape(br'\U0001f600'), '\U0001f600') |
| with self.assertWarns(DeprecationWarning): |
| self.assertEqual(decodeunicodeescape(br'\z'), r'\z') |
| |
| for b in b'\\', br'\xa', br'\u4f6', br'\U0001f60': |
| self.assertRaises(UnicodeDecodeError, decodeunicodeescape, b) |
| self.assertRaises(UnicodeDecodeError, decodeunicodeescape, b, 'strict') |
| self.assertEqual(decodeunicodeescape(br'x\U0001f60', 'replace'), 'x\ufffd') |
| self.assertEqual(decodeunicodeescape(br'x\U0001f60y', 'replace'), 'x\ufffdy') |
| |
| self.assertRaises(LookupError, decodeunicodeescape, b'\\', 'foo') |
| # TODO: Test PyUnicode_DecodeUnicodeEscape() with NULL as data and |
| # negative size. |
| |
| def test_asunicodeescapestring(self): |
| """Test PyUnicode_AsUnicodeEscapeString()""" |
| asunicodeescapestring = _testlimitedcapi.unicode_asunicodeescapestring |
| |
| self.assertEqual(asunicodeescapestring('abc'), b'abc') |
| self.assertEqual(asunicodeescapestring('\t\n\r\v\f\0\\'), br'\t\n\r\x0b\x0c\x00\\') |
| self.assertEqual(asunicodeescapestring('\xa1\xa2'), br'\xa1\xa2') |
| self.assertEqual(asunicodeescapestring('\u4f60\u597d'), br'\u4f60\u597d') |
| self.assertEqual(asunicodeescapestring('\U0001f600'), br'\U0001f600') |
| |
| self.assertRaises(TypeError, asunicodeescapestring, b'abc') |
| self.assertRaises(TypeError, asunicodeescapestring, []) |
| # CRASHES asunicodeescapestring(NULL) |
| |
| def test_decoderawunicodeescape(self): |
| """Test PyUnicode_DecodeRawUnicodeEscape()""" |
| decoderawunicodeescape = _testlimitedcapi.unicode_decoderawunicodeescape |
| |
| self.assertEqual(decoderawunicodeescape(b'abc'), 'abc') |
| self.assertEqual(decoderawunicodeescape(b'\t\n\r\v\f\0\\'), '\t\n\r\v\f\0\\') |
| self.assertEqual(decoderawunicodeescape(b'\xa1\xa2'), '\xa1\xa2') |
| self.assertEqual(decoderawunicodeescape(br'\u4f60\u597d'), '\u4f60\u597d') |
| self.assertEqual(decoderawunicodeescape(br'\U0001f600'), '\U0001f600') |
| self.assertEqual(decoderawunicodeescape(br'\xa1\xa2'), r'\xa1\xa2') |
| self.assertEqual(decoderawunicodeescape(br'\z'), r'\z') |
| |
| for b in br'\u4f6', br'\U0001f60': |
| self.assertRaises(UnicodeDecodeError, decoderawunicodeescape, b) |
| self.assertRaises(UnicodeDecodeError, decoderawunicodeescape, b, 'strict') |
| self.assertEqual(decoderawunicodeescape(br'x\U0001f60', 'replace'), 'x\ufffd') |
| self.assertEqual(decoderawunicodeescape(br'x\U0001f60y', 'replace'), 'x\ufffdy') |
| |
| self.assertRaises(LookupError, decoderawunicodeescape, br'\U0001f60', 'foo') |
| # TODO: Test PyUnicode_DecodeRawUnicodeEscape() with NULL as data and |
| # negative size. |
| |
| def test_asrawunicodeescapestring(self): |
| """Test PyUnicode_AsRawUnicodeEscapeString()""" |
| asrawunicodeescapestring = _testlimitedcapi.unicode_asrawunicodeescapestring |
| |
| self.assertEqual(asrawunicodeescapestring('abc'), b'abc') |
| self.assertEqual(asrawunicodeescapestring('\t\n\r\v\f\0\\'), b'\t\n\r\v\f\0\\') |
| self.assertEqual(asrawunicodeescapestring('\xa1\xa2'), b'\xa1\xa2') |
| self.assertEqual(asrawunicodeescapestring('\u4f60\u597d'), br'\u4f60\u597d') |
| self.assertEqual(asrawunicodeescapestring('\U0001f600'), br'\U0001f600') |
| |
| self.assertRaises(TypeError, asrawunicodeescapestring, b'abc') |
| self.assertRaises(TypeError, asrawunicodeescapestring, []) |
| # CRASHES asrawunicodeescapestring(NULL) |
| |
| |
| class CAPICodecs(unittest.TestCase): |
| |
| def setUp(self): |
| # Encoding names are normalized internally by converting them |
| # to lowercase and their hyphens are replaced by underscores. |
| self.encoding_name = 'test.test_capi.test_codecs.codec_reversed' |
| # Make sure that our custom codec is not already registered (that |
| # way we know whether we correctly unregistered the custom codec |
| # after a test or not). |
| self.assertRaises(LookupError, codecs.lookup, self.encoding_name) |
| # create the search function without registering yet |
| self._create_custom_codec() |
| |
| def _create_custom_codec(self): |
| def codec_encoder(m, errors='strict'): |
| return (type(m)().join(reversed(m)), len(m)) |
| |
| def codec_decoder(c, errors='strict'): |
| return (type(c)().join(reversed(c)), len(c)) |
| |
| class IncrementalEncoder(codecs.IncrementalEncoder): |
| def encode(self, input, final=False): |
| return codec_encoder(input) |
| |
| class IncrementalDecoder(codecs.IncrementalDecoder): |
| def decode(self, input, final=False): |
| return codec_decoder(input) |
| |
| class StreamReader(codecs.StreamReader): |
| def encode(self, input, errors='strict'): |
| return codec_encoder(input, errors=errors) |
| |
| def decode(self, input, errors='strict'): |
| return codec_decoder(input, errors=errors) |
| |
| class StreamWriter(codecs.StreamWriter): |
| def encode(self, input, errors='strict'): |
| return codec_encoder(input, errors=errors) |
| |
| def decode(self, input, errors='strict'): |
| return codec_decoder(input, errors=errors) |
| |
| info = codecs.CodecInfo( |
| encode=codec_encoder, |
| decode=codec_decoder, |
| streamreader=StreamReader, |
| streamwriter=StreamWriter, |
| incrementalencoder=IncrementalEncoder, |
| incrementaldecoder=IncrementalDecoder, |
| name=self.encoding_name |
| ) |
| |
| def search_function(encoding): |
| if encoding == self.encoding_name: |
| return info |
| return None |
| |
| self.codec_info = info |
| self.search_function = search_function |
| |
| @contextlib.contextmanager |
| def use_custom_encoder(self): |
| self.assertRaises(LookupError, codecs.lookup, self.encoding_name) |
| codecs.register(self.search_function) |
| yield |
| codecs.unregister(self.search_function) |
| self.assertRaises(LookupError, codecs.lookup, self.encoding_name) |
| |
| def test_codec_register(self): |
| search_function, encoding = self.search_function, self.encoding_name |
| # register the search function using the C API |
| self.assertIsNone(_testcapi.codec_register(search_function)) |
| # in case the test failed before cleaning up |
| self.addCleanup(codecs.unregister, self.search_function) |
| self.assertIs(codecs.lookup(encoding), search_function(encoding)) |
| self.assertEqual(codecs.encode('123', encoding=encoding), '321') |
| # unregister the search function using the regular API |
| codecs.unregister(search_function) |
| self.assertRaises(LookupError, codecs.lookup, encoding) |
| |
| def test_codec_unregister(self): |
| search_function, encoding = self.search_function, self.encoding_name |
| self.assertRaises(LookupError, codecs.lookup, encoding) |
| # register the search function using the regular API |
| codecs.register(search_function) |
| # in case the test failed before cleaning up |
| self.addCleanup(codecs.unregister, self.search_function) |
| self.assertIsNotNone(codecs.lookup(encoding)) |
| # unregister the search function using the C API |
| self.assertIsNone(_testcapi.codec_unregister(search_function)) |
| self.assertRaises(LookupError, codecs.lookup, encoding) |
| |
| def test_codec_known_encoding(self): |
| self.assertRaises(LookupError, codecs.lookup, 'unknown-codec') |
| self.assertFalse(_testcapi.codec_known_encoding('unknown-codec')) |
| self.assertFalse(_testcapi.codec_known_encoding('unknown_codec')) |
| self.assertFalse(_testcapi.codec_known_encoding('UNKNOWN-codec')) |
| |
| encoding_name = self.encoding_name |
| self.assertRaises(LookupError, codecs.lookup, encoding_name) |
| |
| codecs.register(self.search_function) |
| self.addCleanup(codecs.unregister, self.search_function) |
| |
| for name in [ |
| encoding_name, |
| encoding_name.upper(), |
| ]: |
| with self.subTest(name): |
| self.assertTrue(_testcapi.codec_known_encoding(name)) |
| |
| def test_codec_encode(self): |
| encode = _testcapi.codec_encode |
| self.assertEqual(encode('a', 'utf-8', NULL), b'a') |
| self.assertEqual(encode('a', 'utf-8', 'strict'), b'a') |
| self.assertEqual(encode('[é]', 'ascii', 'ignore'), b'[]') |
| |
| self.assertRaises(TypeError, encode, NULL, 'ascii', 'strict') |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| encode('a', NULL, 'strict') |
| |
| def test_codec_decode(self): |
| decode = _testcapi.codec_decode |
| |
| s = 'a\xa1\u4f60\U0001f600' |
| b = s.encode() |
| |
| self.assertEqual(decode(b, 'utf-8', 'strict'), s) |
| self.assertEqual(decode(b, 'utf-8', NULL), s) |
| self.assertEqual(decode(b, 'latin1', 'strict'), b.decode('latin1')) |
| self.assertRaises(UnicodeDecodeError, decode, b, 'ascii', 'strict') |
| self.assertRaises(UnicodeDecodeError, decode, b, 'ascii', NULL) |
| self.assertEqual(decode(b, 'ascii', 'replace'), 'a' + '\ufffd'*9) |
| |
| # _codecs.decode() only reports an unknown error handling name when |
| # the corresponding error handling function is used; this difers |
| # from PyUnicode_Decode() which checks that both the encoding and |
| # the error handling name are recognized before even attempting to |
| # call the decoder. |
| self.assertEqual(decode(b'', 'utf-8', 'unknown-error-handler'), '') |
| self.assertEqual(decode(b'a', 'utf-8', 'unknown-error-handler'), 'a') |
| |
| self.assertRaises(TypeError, decode, NULL, 'ascii', 'strict') |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| decode(b, NULL, 'strict') |
| |
| def test_codec_encoder(self): |
| codec_encoder = _testcapi.codec_encoder |
| |
| with self.use_custom_encoder(): |
| encoder = codec_encoder(self.encoding_name) |
| self.assertIs(encoder, self.codec_info.encode) |
| |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| codec_encoder(NULL) |
| |
| def test_codec_decoder(self): |
| codec_decoder = _testcapi.codec_decoder |
| |
| with self.use_custom_encoder(): |
| decoder = codec_decoder(self.encoding_name) |
| self.assertIs(decoder, self.codec_info.decode) |
| |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| codec_decoder(NULL) |
| |
| def test_codec_incremental_encoder(self): |
| codec_incremental_encoder = _testcapi.codec_incremental_encoder |
| |
| with self.use_custom_encoder(): |
| encoding = self.encoding_name |
| |
| for errors in ['strict', NULL]: |
| with self.subTest(errors): |
| encoder = codec_incremental_encoder(encoding, errors) |
| self.assertIsInstance(encoder, self.codec_info.incrementalencoder) |
| |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| codec_incremental_encoder(NULL, 'strict') |
| |
| def test_codec_incremental_decoder(self): |
| codec_incremental_decoder = _testcapi.codec_incremental_decoder |
| |
| with self.use_custom_encoder(): |
| encoding = self.encoding_name |
| |
| for errors in ['strict', NULL]: |
| with self.subTest(errors): |
| decoder = codec_incremental_decoder(encoding, errors) |
| self.assertIsInstance(decoder, self.codec_info.incrementaldecoder) |
| |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| codec_incremental_decoder(NULL, 'strict') |
| |
| def test_codec_stream_reader(self): |
| codec_stream_reader = _testcapi.codec_stream_reader |
| |
| with self.use_custom_encoder(): |
| encoding, stream = self.encoding_name, io.StringIO() |
| for errors in ['strict', NULL]: |
| with self.subTest(errors): |
| writer = codec_stream_reader(encoding, stream, errors) |
| self.assertIsInstance(writer, self.codec_info.streamreader) |
| |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| codec_stream_reader(NULL, stream, 'strict') |
| |
| def test_codec_stream_writer(self): |
| codec_stream_writer = _testcapi.codec_stream_writer |
| |
| with self.use_custom_encoder(): |
| encoding, stream = self.encoding_name, io.StringIO() |
| for errors in ['strict', NULL]: |
| with self.subTest(errors): |
| writer = codec_stream_writer(encoding, stream, errors) |
| self.assertIsInstance(writer, self.codec_info.streamwriter) |
| |
| with self.assertRaisesRegex(TypeError, BAD_ARGUMENT): |
| codec_stream_writer(NULL, stream, 'strict') |
| |
| |
| class CAPICodecErrors(unittest.TestCase): |
| |
| @classmethod |
| def _generate_exception_args(cls): |
| for objlen in range(5): |
| maxind = 2 * max(2, objlen) |
| for start in range(-maxind, maxind + 1): |
| for end in range(-maxind, maxind + 1): |
| yield objlen, start, end |
| |
| @classmethod |
| def generate_encode_errors(cls): |
| return tuple( |
| UnicodeEncodeError('utf-8', '0' * objlen, start, end, 'why') |
| for objlen, start, end in cls._generate_exception_args() |
| ) |
| |
| @classmethod |
| def generate_decode_errors(cls): |
| return tuple( |
| UnicodeDecodeError('utf-8', b'0' * objlen, start, end, 'why') |
| for objlen, start, end in cls._generate_exception_args() |
| ) |
| |
| @classmethod |
| def generate_translate_errors(cls): |
| return tuple( |
| UnicodeTranslateError('0' * objlen, start, end, 'why') |
| for objlen, start, end in cls._generate_exception_args() |
| ) |
| |
| @classmethod |
| def setUpClass(cls): |
| cls.unicode_encode_errors = cls.generate_encode_errors() |
| cls.unicode_decode_errors = cls.generate_decode_errors() |
| cls.unicode_translate_errors = cls.generate_translate_errors() |
| cls.all_unicode_errors = ( |
| cls.unicode_encode_errors |
| + cls.unicode_decode_errors |
| + cls.unicode_translate_errors |
| ) |
| cls.bad_unicode_errors = ( |
| ValueError(), |
| ) |
| |
| def test_codec_register_error(self): |
| # for cleaning up between tests |
| from _codecs import _unregister_error as _codecs_unregister_error |
| |
| self.assertRaises(LookupError, _testcapi.codec_lookup_error, 'custom') |
| |
| def custom_error_handler(exc): |
| raise exc |
| |
| error_handler = mock.Mock(wraps=custom_error_handler) |
| _testcapi.codec_register_error('custom', error_handler) |
| self.addCleanup(_codecs_unregister_error, 'custom') |
| |
| self.assertRaises(UnicodeEncodeError, codecs.encode, |
| '\xff', 'ascii', errors='custom') |
| error_handler.assert_called_once() |
| error_handler.reset_mock() |
| |
| self.assertRaises(UnicodeDecodeError, codecs.decode, |
| b'\xff', 'ascii', errors='custom') |
| error_handler.assert_called_once() |
| |
| # _codecs._unregister_error directly delegates to the internal C |
| # function so a Python-level function test is sufficient (it is |
| # tested in test_codeccallbacks). |
| |
| def test_codec_lookup_error(self): |
| codec_lookup_error = _testcapi.codec_lookup_error |
| self.assertIs(codec_lookup_error(NULL), codecs.strict_errors) |
| self.assertIs(codec_lookup_error('strict'), codecs.strict_errors) |
| self.assertIs(codec_lookup_error('ignore'), codecs.ignore_errors) |
| self.assertIs(codec_lookup_error('replace'), codecs.replace_errors) |
| self.assertIs(codec_lookup_error('xmlcharrefreplace'), codecs.xmlcharrefreplace_errors) |
| self.assertIs(codec_lookup_error('backslashreplace'), codecs.backslashreplace_errors) |
| self.assertIs(codec_lookup_error('namereplace'), codecs.namereplace_errors) |
| self.assertRaises(LookupError, codec_lookup_error, 'unknown') |
| |
| def test_codec_strict_errors_handler(self): |
| handler = _testcapi.codec_strict_errors |
| for exc in self.all_unicode_errors + self.bad_unicode_errors: |
| with self.subTest(handler=handler, exc=exc): |
| self.assertRaises(type(exc), handler, exc) |
| |
| def test_codec_ignore_errors_handler(self): |
| handler = _testcapi.codec_ignore_errors |
| self.do_test_codec_errors_handler(handler, self.all_unicode_errors) |
| |
| def test_codec_replace_errors_handler(self): |
| handler = _testcapi.codec_replace_errors |
| self.do_test_codec_errors_handler(handler, self.all_unicode_errors) |
| |
| def test_codec_xmlcharrefreplace_errors_handler(self): |
| handler = _testcapi.codec_xmlcharrefreplace_errors |
| self.do_test_codec_errors_handler(handler, self.unicode_encode_errors) |
| |
| def test_codec_backslashreplace_errors_handler(self): |
| handler = _testcapi.codec_backslashreplace_errors |
| self.do_test_codec_errors_handler(handler, self.all_unicode_errors) |
| |
| def test_codec_namereplace_errors_handler(self): |
| handler = _testlimitedcapi.codec_namereplace_errors |
| self.do_test_codec_errors_handler(handler, self.unicode_encode_errors) |
| |
| def do_test_codec_errors_handler(self, handler, exceptions): |
| self.assertNotEqual(len(exceptions), 0) |
| for exc in exceptions: |
| with self.subTest(handler=handler, exc=exc): |
| # test that the handler does not crash |
| res = handler(exc) |
| self.assertIsInstance(res, tuple) |
| self.assertEqual(len(res), 2) |
| replacement, continue_from = res |
| self.assertIsInstance(replacement, str) |
| self.assertIsInstance(continue_from, int) |
| self.assertGreaterEqual(continue_from, 0) |
| self.assertLessEqual(continue_from, len(exc.object)) |
| |
| for bad_exc in ( |
| self.bad_unicode_errors |
| + tuple(e for e in self.all_unicode_errors if e not in exceptions) |
| ): |
| with self.subTest('bad type', handler=handler, exc=bad_exc): |
| self.assertRaises(TypeError, handler, bad_exc) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |
