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
|
#!/usr/bin/python3
# encoding=utf-8
#
# Copyright © 2016 Simon McVittie <smcv@debian.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# You can find the GPL license text on a Debian system under
# /usr/share/common-licenses/GPL-2.
import hashlib
import os
import sys
import unittest
if 'GDP_UNINSTALLED' not in os.environ:
sys.path.insert(0, '/usr/share/game-data-packager')
sys.path.insert(0, '/usr/share/games/game-data-packager')
from game_data_packager.command_line import (TerminalProgress)
from game_data_packager.data import (HashedFile)
class ZeroReader:
def __init__(self, total):
self.done = 0
self.total = total
def read(self, max_bytes):
ret = min(max_bytes, self.total - self.done)
self.total -= ret
return b'\x00' * ret
SIZE = 30 * 1024 * 1024
class HashedFileTestCase(unittest.TestCase):
def setUp(self):
hasher = hashlib.new('md5')
hasher.update(b'hello')
self.HELLO_MD5 = hasher.hexdigest()
hasher.update(b', world!')
self.HELLO_WORLD_MD5 = hasher.hexdigest()
hasher = hashlib.new('sha1')
hasher.update(b'hello')
self.HELLO_SHA1 = hasher.hexdigest()
hasher.update(b', world!')
self.HELLO_WORLD_SHA1 = hasher.hexdigest()
hasher = hashlib.new('sha256')
hasher.update(b'hello')
self.HELLO_SHA256 = hasher.hexdigest()
hasher.update(b', world!')
self.HELLO_WORLD_SHA256 = hasher.hexdigest()
def test_attrs(self):
hf = HashedFile('hello.txt')
self.assertIs(hf.have_hashes, False)
hf.md5 = self.HELLO_MD5
self.assertIs(hf.have_hashes, True)
self.assertEqual(hf.md5, self.HELLO_MD5)
with self.assertRaises(AssertionError):
hf.md5 = None
hf.sha1 = self.HELLO_SHA1
self.assertIs(hf.have_hashes, True)
self.assertEqual(hf.sha1, self.HELLO_SHA1)
hf.sha256 = self.HELLO_SHA256
self.assertIs(hf.have_hashes, True)
self.assertEqual(hf.sha256, self.HELLO_SHA256)
def test_matches(self):
first = HashedFile('hello.txt')
first.md5 = self.HELLO_MD5
second = HashedFile('hello.txt')
second.sha1 = self.HELLO_SHA1
with self.assertRaises(ValueError):
first.matches(second)
with self.assertRaises(ValueError):
second.matches(first)
second.md5 = self.HELLO_MD5
self.assertIs(first.matches(second), True)
self.assertIs(second.matches(first), True)
second = HashedFile('hello_world.txt')
second.md5 = self.HELLO_WORLD_MD5
self.assertIs(first.matches(second), False)
self.assertIs(second.matches(first), False)
def test_progress(self):
print('', file=sys.stderr)
HashedFile.from_file('progress.bin', ZeroReader(SIZE),
size=SIZE,
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_file('progress.bin', ZeroReader(SIZE),
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_file('progress.bin', ZeroReader(SIZE),
size=SIZE)
HashedFile.from_file('progress.bin', ZeroReader(SIZE))
print('', file=sys.stderr)
HashedFile.from_concatenated_files('concatenated.bin',
[ZeroReader(SIZE), ZeroReader(SIZE)],
size=2 * SIZE,
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_concatenated_files('concatenated.bin',
[ZeroReader(SIZE), ZeroReader(SIZE)],
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_concatenated_files('concatenated.bin',
[ZeroReader(SIZE), ZeroReader(SIZE)],
size=2 * SIZE)
HashedFile.from_concatenated_files('concatenated.bin',
[ZeroReader(SIZE), ZeroReader(SIZE)])
def tearDown(self):
pass
if __name__ == '__main__':
unittest.main(verbosity=2)
|
