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"""
HappyBase utility tests.
"""
from codecs import decode, encode
import happybase.util as util
def test_camel_case_to_pep8():
def check(lower_cc, upper_cc, correct):
x1 = util.camel_case_to_pep8(lower_cc)
x2 = util.camel_case_to_pep8(upper_cc)
assert correct == x1
assert correct == x2
y1 = util.pep8_to_camel_case(x1, True)
y2 = util.pep8_to_camel_case(x2, False)
assert upper_cc == y1
assert lower_cc == y2
examples = [('foo', 'Foo', 'foo'),
('fooBar', 'FooBar', 'foo_bar'),
('fooBarBaz', 'FooBarBaz', 'foo_bar_baz'),
('fOO', 'FOO', 'f_o_o')]
for a, b, c in examples:
check(a, b, c)
def test_bytes_increment():
def check(s_hex, expected):
s = decode(s_hex, 'hex')
v = util.bytes_increment(s)
v_hex = encode(v, 'hex')
assert expected == v_hex
assert s < v
test_values = [
(b'00', b'01'),
(b'01', b'02'),
(b'fe', b'ff'),
(b'1234', b'1235'),
(b'12fe', b'12ff'),
(b'12ff', b'13'),
(b'424242ff', b'424243'),
(b'4242ffff', b'4243'),
]
assert util.bytes_increment(b'\xff\xff\xff') is None
for s, expected in test_values:
check(s, expected)
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