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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
# -*- coding: utf-8 -*-
# The MIT License (MIT)
#
# Copyright © 2014 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.
"""
Tests to verify that string representations are accurate
"""
from . import TestCase
import bitmath
class TestRepresentation(TestCase):
def setUp(self):
self.kib = bitmath.KiB(1)
self.kib_repr = 'KiB(1.0)'
self.kib_str = '1.0 KiB'
self.kib_unit = 'KiB'
self.kib_system = 'NIST'
self.kib_bin = '0b10000000000000'
self.kib_binary = self.kib_bin
self.kib_power = 10
self.kib_base = 2
self.half_mib = bitmath.MiB(0.5)
self.half_mib_repr = 'MiB(0.5)'
self.half_mib_str = '0.5 MiB'
self.kB = bitmath.kB(1)
self.kB_unit = 'kB'
self.kb_system = 'SI'
self.kib_str_changed = 'KiB 1.000'
def test_kB_unit(self):
"""kB(1).unit is kB"""
self.assertEqual(self.kib.unit, self.kib_unit)
def test_kB_system(self):
"""kB(1).system is SI"""
self.assertEqual(self.kib.system, self.kib_system)
def test_kib_unit(self):
"""KiB(1).unit is KiB"""
self.assertEqual(self.kib.unit, self.kib_unit)
def test_kib_system(self):
"""KiB(1).system is NIST"""
self.assertEqual(self.kib.system, self.kib_system)
def test_kib_binary(self):
"""KiB(1).binary is binary"""
self.assertEqual(self.kib.binary, self.kib_binary)
def test_kib_bin(self):
"""KiB(1).bin (binary alias) is binary"""
self.assertEqual(self.kib.bin, self.kib_bin)
def test_kib_base(self):
"""KiB(1).base is 2"""
self.assertEqual(self.kib.base, self.kib_base)
def test_kib_power(self):
"""KiB(1).power (binary alias) is 10"""
self.assertEqual(self.kib.power, self.kib_power)
def test_whole_kib_repr(self):
"""KiB(1) looks correct in a terminal"""
self.assertEqual(repr(self.kib), self.kib_repr)
def test_whole_kib_str(self):
"""KiB(1) looks correct as a string"""
self.assertEqual(str(self.kib), self.kib_str)
def test_half_mib_repr(self):
"""MiB(0.5) looks correct in a terminal"""
self.assertEqual(repr(self.half_mib), self.half_mib_repr)
def test_half_mib_str(self):
"""MiB(0.5) looks correct as a string"""
self.assertEqual(str(self.half_mib), self.half_mib_str)
##################################################################
# Test custom formatting
def test_print_two_digits_precision(self):
"""MiB(1/3.0) prints out with two digits of precision"""
expected_result = "0.33MiB"
fmt_str = "{value:.2f}{unit}"
third_MiB = bitmath.MiB(1 / 3.0)
actual_result = third_MiB.format(fmt_str)
self.assertEqual(expected_result, actual_result)
def test_print_scientific_four_digits_precision(self):
"""MiB(102.4754) prints out with four digits of precision"""
expected_result = "102.5MiB"
fmt_str = "{value:.4g}{unit}"
third_MiB = bitmath.MiB(102.4754)
actual_result = third_MiB.format(fmt_str)
self.assertEqual(expected_result, actual_result)
def test_longer_formatting_string(self):
"""KiB(12345) as a MiB (12.0556640625) truncates to 5 digits"""
expected_result = "12.05566 MiB"
fmt_str = "{value:.5f} {unit}"
instance = bitmath.KiB(12345).to_MiB()
actual_result = instance.format(fmt_str)
self.assertEqual(expected_result, actual_result)
def test_change_format_string(self):
"""KiB(1.0) looks right if changing fmt str in bitmath.KiB
NOTE: This does NOT make use of the bitmath.format context
manager. There is a separate test suite for that: test_context_manager"""
orig_fmt_str = bitmath.format_string
bitmath.format_string = "{unit} {value:.3f}"
kib = bitmath.KiB(1)
self.assertEqual(self.kib_str_changed, str(kib))
bitmath.format_string = orig_fmt_str
def test_print_byte_singular(self):
"""Byte(1.0) prints out units in singular form"""
expected_result = "1Byte"
fmt_str = "{value:.2g}{unit}"
one_Byte = bitmath.Byte(1.0)
actual_result = one_Byte.format(fmt_str)
self.assertEqual(expected_result, actual_result)
|
