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Comment out PEP 461 tests for now
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Python 2.x doesn't support bytes % characters like '%b'
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@edschofield
edschofield committed Oct 27, 2016
1 parent 8ab0ae0 commit ecf1121
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Showing 2 changed files with 98 additions and 106 deletions.
5 changes: 0 additions & 5 deletions src/future/tests/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -377,11 +377,6 @@ def expectedFailurePY3(func):
return func
return unittest.expectedFailure(func)

def expectedFailurePY33_and_PY34(func):
if sys.version_info[:2] not in {(3, 3), (3, 4)}:
return func
return unittest.expectedFailure(func)

def expectedFailurePY26(func):
if not PY26:
return func
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199 changes: 98 additions & 101 deletions tests/test_future/test_bytes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
from future import utils

from numbers import Integral
from future.tests.base import unittest, expectedFailurePY2, expectedFailurePY33_and_PY34
from future.tests.base import unittest, expectedFailurePY2


TEST_UNICODE_STR = u'ℝεα∂@ßʟ℮ ☂ℯṧт υηḯ¢☺ḓ℮'
Expand Down Expand Up @@ -552,106 +552,103 @@ def test_maketrans(self):
self.assertRaises(ValueError, bytes.maketrans, b'abc', b'xyzq')
self.assertRaises(TypeError, bytes.maketrans, 'abc', 'def')

@expectedFailurePY33_and_PY34
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.
"""
b = 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 = b'%s / 100 = %d%%'
a = b % (b'seventy-nine', 79)
self.assertEqual(a, b'seventy-nine / 100 = 79%')

@expectedFailurePY33_and_PY34
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%')

@expectedFailurePY33_and_PY34
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')
# 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.
# """
# b = 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 = b'%s / 100 = %d%%'
# a = b % (b'seventy-nine', 79)
# self.assertEqual(a, b'seventy-nine / 100 = 79%')

# 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%')

# 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):
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