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+# -*- coding: utf-8 -*-
+"""
+Tests for the backported bytes object
+"""
+
+from __future__ import absolute_import, unicode_literals, print_function
+from future.builtins import *
+from future import utils
+
+from numbers import Integral
+from future.tests.base import unittest, expectedFailurePY2
+
+
+TEST_UNICODE_STR = u'ℝεα∂@ßʟ℮ ☂ℯṧт υηḯ¢☺ḓ℮'
+# Tk icon as a .gif:
+TEST_BYTE_STR = b'GIF89a\x0e\x00\x0b\x00\x80\xff\x00\xff\x00\x00\xc0\xc0\xc0!\xf9\x04\x01\x00\x00\x01\x00,\x00\x00\x00\x00\x0e\x00\x0b\x00@\x02\x1f\x0c\x8e\x10\xbb\xcan\x90\x99\xaf&\xd8\x1a\xce\x9ar\x06F\xd7\xf1\x90\xa1c\x9e\xe8\x84\x99\x89\x97\xa2J\x01\x00;\x1a\x14\x00;;\xba\nD\x14\x00\x00;;'
+
+
+class TestBytes(unittest.TestCase):
+ def test_bytes_encoding_arg(self):
+ """
+ The bytes class has changed in Python 3 to accept an
+ additional argument in the constructor: encoding.
+
+ It would be nice to support this without breaking the
+ isinstance(..., bytes) test below.
+ """
+ u = u'Unicode string: \u5b54\u5b50'
+ b = bytes(u, encoding='utf-8')
+ self.assertEqual(b, u.encode('utf-8'))
+
+ nu = str(u)
+ b = bytes(nu, encoding='utf-8')
+ self.assertEqual(b, u.encode('utf-8'))
+
+ def test_bytes_encoding_arg_issue_193(self):
+ """
+ This used to be True: bytes(str(u'abc'), 'utf8') == b"b'abc'"
+ """
+ u = u'abc'
+ b = bytes(str(u), 'utf8')
+ self.assertNotEqual(b, b"b'abc'")
+ self.assertEqual(b, b'abc')
+ self.assertEqual(b, bytes(b'abc'))
+
+ def test_bytes_encoding_arg_non_kwarg(self):
+ """
+ As above, but with a positional argument
+ """
+ u = u'Unicode string: \u5b54\u5b50'
+ b = bytes(u, 'utf-8')
+ self.assertEqual(b, u.encode('utf-8'))
+
+ nu = str(u)
+ b = bytes(nu, 'utf-8')
+ self.assertEqual(b, u.encode('utf-8'))
+
+ def test_bytes_string_no_encoding(self):
+ with self.assertRaises(TypeError):
+ bytes(u'ABC')
+
+ def test_bytes_int(self):
+ """
+ In Py3, bytes(int) -> bytes object of size given by the parameter initialized with null
+ """
+ self.assertEqual(bytes(5), b'\x00\x00\x00\x00\x00')
+ # Test using newint:
+ self.assertEqual(bytes(int(5)), b'\x00\x00\x00\x00\x00')
+ self.assertTrue(isinstance(bytes(int(5)), bytes))
+
+ # Negative counts are not allowed in Py3:
+ with self.assertRaises(ValueError):
+ bytes(-1)
+ with self.assertRaises(ValueError):
+ bytes(int(-1))
+
+ @unittest.skipIf(utils.PY3, 'test not needed on Py3: all ints are long')
+ def test_bytes_long(self):
+ """
+ As above, but explicitly feeding in a long on Py2. Note that
+ checks like:
+ isinstance(n, int)
+ are fragile on Py2, because isinstance(10L, int) is False.
+ """
+ m = long(5)
+ n = long(-1)
+ self.assertEqual(bytes(m), b'\x00\x00\x00\x00\x00')
+ # Negative counts are not allowed in Py3:
+ with self.assertRaises(ValueError):
+ bytes(n)
+
+ def test_bytes_empty(self):
+ """
+ bytes() -> b''
+ """
+ self.assertEqual(bytes(), b'')
+
+ def test_bytes_iterable_of_ints(self):
+ self.assertEqual(bytes([65, 66, 67]), b'ABC')
+ self.assertEqual(bytes([int(120), int(121), int(122)]), b'xyz')
+
+ def test_bytes_bytes(self):
+ self.assertEqual(bytes(b'ABC'), b'ABC')
+
+ def test_bytes_is_bytes(self):
+ b = bytes(b'ABC')
+ self.assertTrue(bytes(b) is b)
+ self.assertEqual(repr(bytes(b)), "b'ABC'")
+
+ def test_bytes_fromhex(self):
+ self.assertEqual(bytes.fromhex('bb 0f'), b'\xbb\x0f')
+ self.assertEqual(bytes.fromhex('1234'), b'\x124')
+ self.assertEqual(bytes.fromhex('12ffa0'), b'\x12\xff\xa0')
+ b = b'My bytestring'
+ self.assertEqual(bytes(b).fromhex('bb 0f'), b'\xbb\x0f')
+
+ def test_isinstance_bytes(self):
+ self.assertTrue(isinstance(bytes(b'blah'), bytes))
+
+ def test_isinstance_bytes_subclass(self):
+ """
+ Issue #89
+ """
+ value = bytes(b'abc')
+ class Magic(bytes):
+ pass
+ self.assertTrue(isinstance(value, bytes))
+ self.assertFalse(isinstance(value, Magic))
+
+ def test_isinstance_oldbytestrings_bytes(self):
+ """
+ Watch out for this. Byte-strings produced in various places in Py2
+ are of type 'str'. With 'from future.builtins import bytes', 'bytes'
+ is redefined to be a subclass of 'str', not just an alias for 'str'.
+ """
+ self.assertTrue(isinstance(b'blah', bytes)) # not with the redefined bytes obj
+ self.assertTrue(isinstance(u'blah'.encode('utf-8'), bytes)) # not with the redefined bytes obj
+
+ def test_bytes_getitem(self):
+ b = bytes(b'ABCD')
+ self.assertEqual(b[0], 65)
+ self.assertEqual(b[-1], 68)
+ self.assertEqual(b[0:1], b'A')
+ self.assertEqual(b[:], b'ABCD')
+
+ @expectedFailurePY2
+ def test_b_literal_creates_newbytes_object(self):
+ """
+ It would nice if the b'' literal syntax could be coaxed into producing
+ bytes objects somehow ... ;)
+ """
+ b = b'ABCD'
+ self.assertTrue(isinstance(b, bytes))
+ self.assertEqual(b[0], 65)
+ self.assertTrue(repr(b).startswith('b'))
+
+ def test_repr(self):
+ b = bytes(b'ABCD')
+ self.assertTrue(repr(b).startswith('b'))
+
+ def test_str(self):
+ b = bytes(b'ABCD')
+ self.assertEqual(str(b), "b'ABCD'")
+
+ def test_bytes_setitem(self):
+ b = b'ABCD'
+ with self.assertRaises(TypeError):
+ b[0] = b'B'
+
+ def test_bytes_iteration(self):
+ b = bytes(b'ABCD')
+ for item in b:
+ self.assertTrue(isinstance(item, Integral))
+ self.assertEqual(list(b), [65, 66, 67, 68])
+
+ def test_bytes_plus_unicode_string(self):
+ b = bytes(b'ABCD')
+ u = u'EFGH'
+ with self.assertRaises(TypeError):
+ b + u
+
+ with self.assertRaises(TypeError):
+ u + b
+
+ def test_bytes_plus_bytes(self):
+ b1 = bytes(b'ABCD')
+ b2 = b1 + b1
+ self.assertEqual(b2, b'ABCDABCD')
+ self.assertTrue(isinstance(b2, bytes))
+
+ b3 = b1 + b'ZYXW'
+ self.assertEqual(b3, b'ABCDZYXW')
+ self.assertTrue(isinstance(b3, bytes))
+
+ b4 = b'ZYXW' + b1
+ self.assertEqual(b4, b'ZYXWABCD')
+ self.assertTrue(isinstance(b4, bytes))
+
+ def test_find_not_found(self):
+ self.assertEqual(-1, bytes(b'ABCDE').find(b':'))
+
+ def test_find_found(self):
+ self.assertEqual(2, bytes(b'AB:CD:E').find(b':'))
+
+ def test_rfind_not_found(self):
+ self.assertEqual(-1, bytes(b'ABCDE').rfind(b':'))
+
+ def test_rfind_found(self):
+ self.assertEqual(5, bytes(b'AB:CD:E').rfind(b':'))
+
+ def test_bytes_join_bytes(self):
+ b = bytes(b' * ')
+ strings = [b'AB', b'EFGH', b'IJKL']
+ result = b.join(strings)
+ self.assertEqual(result, b'AB * EFGH * IJKL')
+ self.assertTrue(isinstance(result, bytes))
+
+ def test_bytes_join_others(self):
+ b = bytes(b' ')
+ with self.assertRaises(TypeError):
+ b.join([42])
+ with self.assertRaises(TypeError):
+ b.join(b'blah')
+ with self.assertRaises(TypeError):
+ b.join(bytes(b'blah'))
+
+ def test_bytes_join_unicode_strings(self):
+ b = bytes(b'ABCD')
+ strings = [u'EFGH', u'IJKL']
+ with self.assertRaises(TypeError):
+ b.join(strings)
+
+ def test_bytes_replace(self):
+ b = bytes(b'ABCD')
+ c = b.replace(b'A', b'F')
+ self.assertEqual(c, b'FBCD')
+ self.assertTrue(isinstance(c, bytes))
+
+ with self.assertRaises(TypeError):
+ b.replace(b'A', u'F')
+ with self.assertRaises(TypeError):
+ b.replace(u'A', b'F')
+
+ def test_bytes_partition(self):
+ b1 = bytes(b'ABCD')
+ parts = b1.partition(b'B')
+ self.assertEqual(parts, (b'A', b'B', b'CD'))
+ self.assertTrue(all([isinstance(p, bytes) for p in parts]))
+
+ b2 = bytes(b'ABCDABCD')
+ parts = b2.partition(b'B')
+ self.assertEqual(parts, (b'A', b'B', b'CDABCD'))
+
+ def test_bytes_rpartition(self):
+ b2 = bytes(b'ABCDABCD')
+ parts = b2.rpartition(b'B')
+ self.assertEqual(parts, (b'ABCDA', b'B', b'CD'))
+ self.assertTrue(all([isinstance(p, bytes) for p in parts]))
+
+ def test_bytes_contains_something(self):
+ b = bytes(b'ABCD')
+ self.assertTrue(b'A' in b)
+ self.assertTrue(65 in b)
+
+ self.assertTrue(b'AB' in b)
+ self.assertTrue(bytes([65, 66]) in b)
+
+ self.assertFalse(b'AC' in b)
+ self.assertFalse(bytes([65, 67]) in b)
+
+ self.assertFalse(b'Z' in b)
+ self.assertFalse(99 in b)
+
+ with self.assertRaises(TypeError):
+ u'A' in b
+
+ def test_bytes_index(self):
+ b = bytes(b'ABCD')
+ self.assertEqual(b.index(b'B'), 1)
+ self.assertEqual(b.index(67), 2)
+
+ def test_startswith(self):
+ b = bytes(b'abcd')
+ self.assertTrue(b.startswith(b'a'))
+ self.assertTrue(b.startswith((b'a', b'b')))
+ self.assertTrue(b.startswith(bytes(b'ab')))
+ self.assertFalse(b.startswith((b'A', b'B')))
+
+ with self.assertRaises(TypeError) as cm:
+ b.startswith(65)
+ with self.assertRaises(TypeError) as cm:
+ b.startswith([b'A'])
+ exc = str(cm.exception)
+ # self.assertIn('bytes', exc)
+ # self.assertIn('tuple', exc)
+
+ def test_endswith(self):
+ b = bytes(b'abcd')
+ self.assertTrue(b.endswith(b'd'))
+ self.assertTrue(b.endswith((b'c', b'd')))
+ self.assertTrue(b.endswith(bytes(b'cd')))
+ self.assertFalse(b.endswith((b'A', b'B')))
+
+ with self.assertRaises(TypeError) as cm:
+ b.endswith(65)
+ with self.assertRaises(TypeError) as cm:
+ b.endswith([b'D'])
+ exc = str(cm.exception)
+ # self.assertIn('bytes', exc)
+ # self.assertIn('tuple', exc)
+
+ def test_decode(self):
+ b = bytes(b'abcd')
+ s = b.decode('utf-8')
+ self.assertEqual(s, 'abcd')
+ self.assertTrue(isinstance(s, str))
+
+ def test_encode(self):
+ b = bytes(b'abcd')
+ with self.assertRaises(AttributeError) as cm:
+ b.encode('utf-8')
+
+ def test_eq(self):
+ """
+ Equals: ==
+ """
+ b = bytes(b'ABCD')
+ self.assertEqual(b, b'ABCD')
+ self.assertTrue(b == b'ABCD')
+ self.assertEqual(b'ABCD', b)
+ self.assertEqual(b, b)
+ self.assertFalse(b == b'ABC')
+ self.assertFalse(b == bytes(b'ABC'))
+ self.assertFalse(b == u'ABCD')
+ self.assertFalse(b == str('ABCD'))
+ # Fails:
+ # self.assertFalse(u'ABCD' == b)
+ self.assertFalse(str('ABCD') == b)
+
+ self.assertFalse(b == list(b))
+ self.assertFalse(b == str(b))
+ self.assertFalse(b == u'ABC')
+ self.assertFalse(bytes(b'Z') == 90)
+
+ def test_ne(self):
+ b = bytes(b'ABCD')
+ self.assertFalse(b != b)
+ self.assertFalse(b != b'ABCD')
+ self.assertTrue(b != b'ABCDEFG')
+ self.assertTrue(b != bytes(b'ABCDEFG'))
+ self.assertTrue(b'ABCDEFG' != b)
+
+ # self.assertTrue(b'ABCD' != u'ABCD')
+ self.assertTrue(b != u'ABCD')
+ self.assertTrue(b != u'ABCDE')
+ self.assertTrue(bytes(b'') != str(u''))
+ self.assertTrue(str(u'') != bytes(b''))
+
+ self.assertTrue(b != list(b))
+ self.assertTrue(b != str(b))
+
+ def test_hash(self):
+ d = {}
+ b = bytes(b'ABCD')
+ native_b = b'ABCD'
+ s = str('ABCD')
+ native_s = u'ABCD'
+ d[b] = b
+ d[s] = s
+ self.assertEqual(len(d), 2)
+ # This should overwrite d[s] but not d[b]:
+ d[native_s] = native_s
+ self.assertEqual(len(d), 2)
+ # This should overwrite d[native_s] again:
+ d[s] = s
+ self.assertEqual(len(d), 2)
+ self.assertEqual(set(d.keys()), set([s, b]))
+
+ @unittest.expectedFailure
+ def test_hash_with_native_types(self):
+ # Warning: initializing the dict with native Py2 types throws the
+ # hashing out:
+ d = {u'ABCD': u'ABCD', b'ABCD': b'ABCD'}
+ # On Py2: len(d) == 1
+ b = bytes(b'ABCD')
+ s = str('ABCD')
+ d[s] = s
+ d[b] = b
+ # Fails:
+ self.assertEqual(len(d) > 1)
+
+ def test_add(self):
+ b = bytes(b'ABC')
+ c = bytes(b'XYZ')
+ d = b + c
+ self.assertTrue(isinstance(d, bytes))
+ self.assertEqual(d, b'ABCXYZ')
+ f = b + b'abc'
+ self.assertTrue(isinstance(f, bytes))
+ self.assertEqual(f, b'ABCabc')
+ g = b'abc' + b
+ self.assertTrue(isinstance(g, bytes))
+ self.assertEqual(g, b'abcABC')
+
+ def test_cmp(self):
+ b = bytes(b'ABC')
+ with self.assertRaises(TypeError):
+ b > 3
+ with self.assertRaises(TypeError):
+ b > u'XYZ'
+ with self.assertRaises(TypeError):
+ b <= 3
+ with self.assertRaises(TypeError):
+ b >= int(3)
+ with self.assertRaises(TypeError):
+ b < 3.3
+ with self.assertRaises(TypeError):
+ b > (3.3 + 3j)
+ with self.assertRaises(TypeError):
+ b >= (1, 2)
+ with self.assertRaises(TypeError):
+ b <= [1, 2]
+
+ def test_mul(self):
+ b = bytes(b'ABC')
+ c = b * 4
+ self.assertTrue(isinstance(c, bytes))
+ self.assertEqual(c, b'ABCABCABCABC')
+ d = b * int(4)
+ self.assertTrue(isinstance(d, bytes))
+ self.assertEqual(d, b'ABCABCABCABC')
+ if utils.PY2:
+ e = b * long(4)
+ self.assertTrue(isinstance(e, bytes))
+ self.assertEqual(e, b'ABCABCABCABC')
+
+ def test_rmul(self):
+ b = bytes(b'XYZ')
+ c = 3 * b
+ self.assertTrue(isinstance(c, bytes))
+ self.assertEqual(c, b'XYZXYZXYZ')
+ d = b * int(3)
+ self.assertTrue(isinstance(d, bytes))
+ self.assertEqual(d, b'XYZXYZXYZ')
+ if utils.PY2:
+ e = long(3) * b
+ self.assertTrue(isinstance(e, bytes))
+ self.assertEqual(e, b'XYZXYZXYZ')
+
+ def test_slice(self):
+ b = bytes(b'ABCD')
+ c1 = b[:]
+ self.assertTrue(isinstance(c1, bytes))
+ self.assertTrue(c1 == b)
+ # The following is not true, whereas it is true normally on Py2 and
+ # Py3. Does this matter?:
+ # self.assertTrue(c1 is b)
+
+ c2 = b[10:]
+ self.assertTrue(isinstance(c2, bytes))
+ self.assertTrue(c2 == bytes(b''))
+ self.assertTrue(c2 == b'')
+
+ c3 = b[:0]
+ self.assertTrue(isinstance(c3, bytes))
+ self.assertTrue(c3 == bytes(b''))
+ self.assertTrue(c3 == b'')
+
+ c4 = b[:1]
+ self.assertTrue(isinstance(c4, bytes))
+ self.assertTrue(c4 == bytes(b'A'))
+ self.assertTrue(c4 == b'A')
+
+ c5 = b[:-1]
+ self.assertTrue(isinstance(c5, bytes))
+ self.assertTrue(c5 == bytes(b'ABC'))
+ self.assertTrue(c5 == b'ABC')
+
+ def test_bytes_frozenset(self):
+ _ALWAYS_SAFE = bytes(b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+ b'abcdefghijklmnopqrstuvwxyz'
+ b'0123456789'
+ b'_.-') # from Py3.3's urllib.parse
+ s = frozenset(_ALWAYS_SAFE)
+ self.assertTrue(65 in s)
+ self.assertFalse(64 in s)
+ # Convert back to bytes
+ b1 = bytes(s)
+ self.assertTrue(65 in b1)
+ self.assertEqual(set(b1), set(_ALWAYS_SAFE))
+
+ def test_bytes_within_range(self):
+ """
+ Python 3 does this:
+ >>> bytes([255, 254, 256])
+ ValueError
+ ...
+ ValueError: bytes must be in range(0, 256)
+
+ Ensure our bytes() constructor has the same behaviour
+ """
+ b1 = bytes([254, 255])
+ self.assertEqual(b1, b'\xfe\xff')
+ with self.assertRaises(ValueError):
+ b2 = bytes([254, 255, 256])
+
+ def test_bytes_hasattr_encode(self):
+ """
+ This test tests whether hasattr(b, 'encode') is False, like it is on Py3.
+ """
+ b = bytes(b'abcd')
+ self.assertFalse(hasattr(b, 'encode'))
+ self.assertTrue(hasattr(b, 'decode'))
+
+ def test_quote_from_bytes(self):
+ """
+ This test was failing in the backported urllib.parse module in quote_from_bytes
+ """
+ empty = bytes([])
+ self.assertEqual(empty, b'')
+ self.assertTrue(type(empty), bytes)
+
+ empty2 = bytes(())
+ self.assertEqual(empty2, b'')
+ self.assertTrue(type(empty2), bytes)
+
+ safe = bytes(u'Philosopher guy: 孔子. More text here.'.encode('utf-8'))
+ safe = bytes([c for c in safe if c < 128])
+ self.assertEqual(safe, b'Philosopher guy: . More text here.')
+ self.assertTrue(type(safe), bytes)
+
+ def test_rstrip(self):
+ b = bytes(b'abcd')
+ c = b.rstrip(b'd')
+ self.assertEqual(c, b'abc')
+ self.assertEqual(type(c), type(b))
+
+ def test_maketrans(self):
+ """
+ Issue #51.
+
+ Test is from Py3.3.5.
+ """
+ transtable = b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff'
+ self.assertEqual(bytes.maketrans(b'', b''), transtable)
+
+ transtable = b'\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
+ self.assertEqual(bytes.maketrans(b'abc', b'xyz'), transtable)
+
+ transtable = b'\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374xyz'
+ self.assertEqual(bytes.maketrans(b'\375\376\377', b'xyz'), transtable)
+ self.assertRaises(ValueError, bytes.maketrans, b'abc', b'xyzq')
+ self.assertRaises(TypeError, bytes.maketrans, 'abc', 'def')
+
+ @unittest.skipUnless(utils.PY2, 'test requires Python 2')
+ def test_mod_custom_dict(self):
+ import UserDict
+
+ class MyDict(UserDict.UserDict):
+ pass
+
+ d = MyDict()
+ d['foo'] = bytes(b'bar')
+ self.assertFalse(isinstance(d, dict))
+ self.assertTrue(isinstance(d, UserDict.UserDict))
+
+ self.assertEqual(bytes(b'%(foo)s') % d, b'bar')
+
+ @unittest.skipUnless(utils.PY35_PLUS or utils.PY2,
+ 'test requires Python 2 or 3.5+')
+ def test_mod_more(self):
+ self.assertEqual(b'%s' % b'aaa', b'aaa')
+ self.assertEqual(bytes(b'%s') % b'aaa', b'aaa')
+ self.assertEqual(bytes(b'%s') % bytes(b'aaa'), b'aaa')
+
+ self.assertEqual(b'%s' % (b'aaa',), b'aaa')
+ self.assertEqual(bytes(b'%s') % (b'aaa',), b'aaa')
+ self.assertEqual(bytes(b'%s') % (bytes(b'aaa'),), b'aaa')
+
+ self.assertEqual(bytes(b'%(x)s') % {b'x': b'aaa'}, b'aaa')
+ self.assertEqual(bytes(b'%(x)s') % {b'x': bytes(b'aaa')}, b'aaa')
+
+ @unittest.skipUnless(utils.PY35_PLUS or utils.PY2,
+ 'test requires Python 2 or 3.5+')
+ def test_mod(self):
+ """
+ From Py3.5 test suite (post-PEP 461).
+
+ The bytes mod code is in _PyBytes_Format() in bytesobject.c in Py3.5.
+ """
+
+ # XXX Add support for %b!
+ #
+ # b = bytes(b'hello, %b!')
+ # orig = b
+ # b = b % b'world'
+ # self.assertEqual(b, b'hello, world!')
+ # self.assertEqual(orig, b'hello, %b!')
+ # self.assertFalse(b is orig)
+
+ b = bytes(b'%s / 100 = %d%%')
+ a = b % (b'seventy-nine', 79)
+ self.assertEqual(a, b'seventy-nine / 100 = 79%')
+
+ b = bytes(b'%s / 100 = %d%%')
+ a = b % (bytes(b'seventy-nine'), 79)
+ self.assertEqual(a, b'seventy-nine / 100 = 79%')
+
+ @unittest.skipUnless(utils.PY35_PLUS or utils.PY2,
+ 'test requires Python 2 or 3.5+')
+ def test_imod(self):
+ """
+ From Py3.5 test suite (post-PEP 461)
+ """
+ # if (3, 0) <= sys.version_info[:2] < (3, 5):
+ # raise unittest.SkipTest('bytes % not yet implemented on Py3.0-3.4')
+
+ # b = bytes(b'hello, %b!')
+ # orig = b
+ # b %= b'world'
+ # self.assertEqual(b, b'hello, world!')
+ # self.assertEqual(orig, b'hello, %b!')
+ # self.assertFalse(b is orig)
+
+ b = bytes(b'%s / 100 = %d%%')
+ b %= (b'seventy-nine', 79)
+ self.assertEqual(b, b'seventy-nine / 100 = 79%')
+
+ b = bytes(b'%s / 100 = %d%%')
+ b %= (bytes(b'seventy-nine'), 79)
+ self.assertEqual(b, b'seventy-nine / 100 = 79%')
+
+ # def test_mod_pep_461(self):
+ # """
+ # Test for the PEP 461 functionality (resurrection of %s formatting for
+ # bytes).
+ # """
+ # b1 = bytes(b'abc%b')
+ # b2 = b1 % b'def'
+ # self.assertEqual(b2, b'abcdef')
+ # self.assertTrue(isinstance(b2, bytes))
+ # self.assertEqual(type(b2), bytes)
+ # b3 = b1 % bytes(b'def')
+ # self.assertEqual(b3, b'abcdef')
+ # self.assertTrue(isinstance(b3, bytes))
+ # self.assertEqual(type(b3), bytes)
+ #
+ # # %s is supported for backwards compatibility with Py2's str
+ # b4 = bytes(b'abc%s')
+ # b5 = b4 % b'def'
+ # self.assertEqual(b5, b'abcdef')
+ # self.assertTrue(isinstance(b5, bytes))
+ # self.assertEqual(type(b5), bytes)
+ # b6 = b4 % bytes(b'def')
+ # self.assertEqual(b6, b'abcdef')
+ # self.assertTrue(isinstance(b6, bytes))
+ # self.assertEqual(type(b6), bytes)
+ #
+ # self.assertEqual(bytes(b'%c') % 48, b'0')
+ # self.assertEqual(bytes(b'%c') % b'a', b'a')
+ #
+ # # For any numeric code %x, formatting of
+ # # b"%x" % val
+ # # is supposed to be equivalent to
+ # # ("%x" % val).encode("ascii")
+ # for code in b'xdiouxXeEfFgG':
+ # bytechar = bytes([code])
+ # pct_str = u"%" + bytechar.decode('ascii')
+ # for val in range(300):
+ # self.assertEqual(bytes(b"%" + bytechar) % val,
+ # (pct_str % val).encode("ascii"))
+ #
+ # with self.assertRaises(TypeError):
+ # bytes(b'%b') % 3.14
+ # # Traceback (most recent call last):
+ # # ...
+ # # TypeError: b'%b' does not accept 'float'
+ #
+ # with self.assertRaises(TypeError):
+ # bytes(b'%b') % 'hello world!'
+ # # Traceback (most recent call last):
+ # # ...
+ # # TypeError: b'%b' does not accept 'str'
+ #
+ # self.assertEqual(bytes(b'%a') % 3.14, b'3.14')
+ #
+ # self.assertEqual(bytes(b'%a') % b'abc', b"b'abc'")
+ # self.assertEqual(bytes(b'%a') % bytes(b'abc'), b"b'abc'")
+ #
+ # self.assertEqual(bytes(b'%a') % 'def', b"'def'")
+ #
+ # # PEP 461 was updated after an Py3.5 alpha release to specify that %r is now supported
+ # # for compatibility: http://legacy.python.org/dev/peps/pep-0461/#id16
+ # assert bytes(b'%r' % b'abc') == bytes(b'%a' % b'abc')
+ #
+ # # with self.assertRaises(TypeError):
+ # # bytes(b'%r' % 'abc')
+
+ @expectedFailurePY2
+ def test_multiple_inheritance(self):
+ """
+ Issue #96 (for newbytes instead of newobject)
+ """
+ if utils.PY2:
+ from collections import Container
+ else:
+ from collections.abc import Container
+
+ class Base(bytes):
+ pass
+
+ class Foo(Base, Container):
+ def __contains__(self, item):
+ return False
+
+ @expectedFailurePY2
+ def test_with_metaclass_and_bytes(self):
+ """
+ Issue #91 (for newdict instead of newobject)
+ """
+ from future.utils import with_metaclass
+
+ class MetaClass(type):
+ pass
+
+ class TestClass(with_metaclass(MetaClass, bytes)):
+ pass
+
+ def test_surrogateescape_decoding(self):
+ """
+ Tests whether surrogateescape decoding works correctly.
+ """
+ pairs = [(u'\udcc3', b'\xc3'),
+ (u'\udcff', b'\xff')]
+
+ for (s, b) in pairs:
+ decoded = bytes(b).decode('utf-8', 'surrogateescape')
+ self.assertEqual(s, decoded)
+ self.assertTrue(isinstance(decoded, str))
+ self.assertEqual(b, decoded.encode('utf-8', 'surrogateescape'))
+
+ def test_issue_171_part_a(self):
+ b1 = str(u'abc \u0123 do re mi').encode(u'utf_8')
+ b2 = bytes(u'abc \u0123 do re mi', u'utf_8')
+ b3 = bytes(str(u'abc \u0123 do re mi'), u'utf_8')
+
+ @expectedFailurePY2
+ def test_issue_171_part_b(self):
+ """
+ Tests whether:
+ >>> nativebytes = bytes ; nativestr = str ; from builtins import *
+ >>> nativebytes(bytes(b'asdf'))[0] == b'a' == b'asdf'
+ """
+ nativebytes = type(b'')
+ nativestr = type('')
+ b = nativebytes(bytes(b'asdf'))
+ self.assertEqual(b, b'asdf')
+
+ def test_cast_to_bytes(self):
+ """
+ Tests whether __bytes__ method is called
+ """
+
+ class TestObject:
+ def __bytes__(self):
+ return b'asdf'
+
+ self.assertEqual(bytes(TestObject()), b'asdf')
+
+ def test_cast_to_bytes_iter_precedence(self):
+ """
+ Tests that call to __bytes__ is preferred to iteration
+ """
+
+ class TestObject:
+ def __bytes__(self):
+ return b'asdf'
+
+ def __iter__(self):
+ return iter(b'hjkl')
+
+ self.assertEqual(bytes(TestObject()), b'asdf')
+
+
+if __name__ == '__main__':
+ unittest.main()
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-01 22:38:51 +0000