def test_valid_grouping(self):
got = functional.chunks("aaaabbbbccccdddd", 4)
expected = ["aaaa", "bbbb", "cccc", "dddd"]
self.assertEqual(list(got), expected)
got = functional.chunks([1, 1, 1, 2, 2, 2, 3, 3, 3], 3)
expected = [[1, 1, 1], [2, 2, 2], [3, 3, 3]]
self.assertEqual(list(got), expected)
def test_valid_grouping(self):
got = chunks("aaaabbbbccccdddd", 4)
expected = ["aaaa", "bbbb", "cccc", "dddd"]
self.assertEqual(list(got), expected)
got = chunks([1, 1, 1, 2, 2, 2, 3, 3, 3], 3)
expected = [[1, 1, 1], [2, 2, 2], [3, 3, 3]]
self.assertEqual(list(got), expected)
def test_filler_None(self):
got = chunks("aaaabbbccccddd", 4, None)
self.assertEqual(list(got), ["aaaa", "bbbc", "cccd", "dd"])
self.assertEqual(tuple(chunks((1, 1, 1, 2, 2), 3, None)),
((1, 1, 1, ), (2, 2, None)))
self.assertEqual(tuple(chunks([1, 1, 1, 2, 2], 3, None)),
([1, 1, 1, ], [2, 2, None]))
def test_filler_None(self):
got = functional.chunks("aaaabbbccccddd", 4, None)
self.assertEqual(list(got), ["aaaa", "bbbc", "cccd", "dd"])
self.assertEqual(tuple(functional.chunks((1, 1, 1, 2, 2), 3, None)),
((1, 1, 1, ), (2, 2, None)))
self.assertEqual(tuple(functional.chunks([1, 1, 1, 2, 2], 3, None)),
([1, 1, 1, ], [2, 2, None]))
def bin_decode(encoded):
"""
Decodes binary-encoded bytes into raw bytes.
:param encoded:
Binary representation.
:returns:
Raw bytes.
"""
if not is_bytes(encoded):
raise TypeError("argument must be bytes: got %r" %
type(encoded).__name__)
return binascii.a2b_hex(EMPTY_BYTE.join(_BIN_TO_HEX_LOOKUP[nibble]
for nibble in chunks(encoded, 4)))
def bin_decode(encoded):
"""
Decodes binary-encoded bytes into raw bytes.
:param encoded:
Binary representation.
:returns:
Raw bytes.
"""
if not builtins.is_bytes(encoded):
raise TypeError("argument must be bytes: got %r" %
type(encoded).__name__)
return binascii.a2b_hex(
EMPTY_BYTE.join(_BIN_TO_HEX_LOOKUP[nibble]
for nibble in functional.chunks(encoded, 4)))
def test_odd_ball_grouping(self):
got = chunks("aaabb", 3)
self.assertEqual(list(got), ["aaa", "bb"])
def test_returns_generator_object(self):
self.assertEqual(type(chunks("aaaabbbb", 4)).__name__, "generator")
def test_filler_iterable_not_same_type_as_filler(self):
#self.assertRaises(TypeError, list, chunks("aaaabbbccccddd", 4, None))
self.assertRaises(TypeError, tuple, chunks((1, 1, 1, 2, 2), 3, [None, ]))
def test_filler(self):
got = chunks("aaaabbbccccddd", 4, "-")
self.assertEqual(list(got), ["aaaa", "bbbc", "cccd", "dd--"])
self.assertEqual(tuple(chunks((1, 1, 1, 2, 2), 3, (True,))),
((1, 1, 1, ), (2, 2, True)))
def test_odd_ball_grouping(self):
got = functional.chunks("aaabb", 3)
self.assertEqual(list(got), ["aaa", "bb"])
def test_returns_generator_object(self):
self.assertEqual(type(functional.chunks("aaaabbbb", 4)).__name__, "generator")
def test_filler_iterable_not_same_type_as_filler(self):
#self.assertRaises(TypeError, list, functional.chunks("aaaabbbccccddd", 4, None))
self.assertRaises(TypeError, tuple, functional.chunks((1, 1, 1, 2, 2), 3, [None, ]))
def test_filler(self):
got = functional.chunks("aaaabbbccccddd", 4, "-")
self.assertEqual(list(got), ["aaaa", "bbbc", "cccd", "dd--"])
self.assertEqual(tuple(functional.chunks((1, 1, 1, 2, 2), 3, (True,))),
((1, 1, 1, ), (2, 2, True)))