1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
# -*- coding: utf-8 -*-
# The MIT License (MIT)
#
# Copyright © 2015 Tim Bielawa <timbielawa@gmail.com>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""
Test the __init__ method
"""
from . import TestCase
import bitmath
class TestInit(TestCase):
def test___init__invalid_input_types(self):
"""__init__: can identify (in)valid input parameters, raise ValueError if detected"""
invalid_inputs = ["one hundred", 100 + 6j, None]
for invalid_input in invalid_inputs:
with self.assertRaises(ValueError):
bitmath.best_prefix(invalid_input)
def test___init_multiple_kwargs(self):
"""__init__: respects argument mutual exclusivity"""
# A 100 Byte object can be initialized with any *single* one
# of these pairs:
multi_kwargs = {
"value": 100, # bitmath.Byte(100)
"bytes": 100, # bitmath.Byte(100)
"bits": 800 # bitmath.Bit(bytes=100)
}
with self.assertRaises(ValueError):
bitmath.Byte(**multi_kwargs)
def test___init__valid_inputs(self):
"""__init__: accepts valid inputs"""
inputs = [
# Comments illustrate what the initialization calls look
# like after the interpreter expands all the *arg/**kwarg
# parameters.
#
# All pairs are equivalent to Byte(100) (used in the test
# assertion, below)
((100,), dict()), # Byte(100)
(tuple(), {"value": 100}), # Byte(value=100)
(tuple(), {"bytes": 100}), # Byte(bytes=100)
(tuple(), {"bits": 800}) # Byte(bits=800)
]
for args, kwargs in inputs:
self.assertEqual(bitmath.Byte(*args, **kwargs), bitmath.Byte(100))
|
