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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#! /usr/bin/env python
# this is the test script for jbig2dec
import os, re
import sys, time
import hashlib
class SelfTest:
'generic class for self tests'
def __init__(self):
self.result = 'unrun'
self.msg = ''
def shortDescription(self):
'returns a short name for the test'
return "generic self test"
def runTest(self):
'call this to execute the test'
pass
def fail(self, msg=None):
self.result = 'FAIL'
self.msg = msg
def failIf(self, check, msg=None):
if check: self.fail(msg)
def assertEqual(self, a, b, msg=None):
if a != b: self.fail(msg)
class SelfTestSuite:
'generic class for running a collection of SelfTest instances'
def __init__(self, stream=sys.stderr):
self.stream = stream
self.tests = []
self.fails = []
self.xfails = []
self.errors = []
def addTest(self, test):
self.tests.append(test)
def run(self):
starttime = time.time()
for test in self.tests:
self.stream.write("%s ... " % test.shortDescription())
test.result = 'ok'
test.runTest()
if test.result != 'ok':
self.fails.append(test)
self.stream.write("%s\n" % test.result)
stoptime = time.time()
self.stream.write('-'*72 + '\n')
self.stream.write('ran %d tests in %.3f seconds\n\n' %
(len(self.tests), stoptime - starttime))
if len(self.fails):
self.stream.write('FAILED %d of %d tests\n' %
(len(self.fails),len(self.tests)))
return False
else:
self.stream.write('PASSED all %d tests\n' % len(self.tests))
return True
class KnownFileHash(SelfTest):
'self test to check for correct decode of known test files'
# hashes of known test inputs
known_NOTHING_DECODED = "da39a3ee5e6b4b0d3255bfef95601890afd80709"
known_WHITE_PAGE_DECODED = "28a6bd83a8a3a36910fbc1f5ce06c962e4332911"
known_042_DECODED = "ebfdf6e2fc5ff3ee2271c2fa19de0e52712046e8"
known_amb_DECODED = "3d4b7992d506894662b53415bd3d0d2a2f8b7953"
# these are known test files in the form
# (filename, sha-1(file), sha-1(decoded document)
known_hashes = (
('tests/ubc/042_1.jb2', "673e1ee5c55ab241b171e476ba1168a42733ddaa", known_042_DECODED),
('tests/ubc/042_2.jb2', "9aa2804e2d220952035c16fb3c907547884067c5", known_042_DECODED),
('tests/ubc/042_3.jb2', "9663a5f35727f13e61a0a2f0a64207b1f79e7d67", known_042_DECODED),
('tests/ubc/042_4.jb2', "014df658c8b99b600c2ceac3f1d53c7cc2b4917c", known_042_DECODED),
('tests/ubc/042_5.jb2', "264720a6ccbbf72aa6a2cfb6343f43b8e6f2da4b", known_042_DECODED),
('tests/ubc/042_6.jb2', "96f7dc9df4a1b305f9ac082dd136f85ef5b108fe", known_042_DECODED),
('tests/ubc/042_7.jb2', "5526371ba9dc2b8743f20ae3e05a7e60b3dcba76", known_042_DECODED),
('tests/ubc/042_8.jb2', "4bf0c87dfaf40d67c36f2a083579eeda26d54641", known_042_DECODED),
('tests/ubc/042_9.jb2', "53e630e7fe2fe6e1d6164758e15fc93382e07f55", known_042_DECODED),
('tests/ubc/042_10.jb2', "5ca1364367e25cb8f642e9dc677a94d5cfed0c8b", known_042_DECODED),
('tests/ubc/042_11.jb2', "bc194caf022bc5345fc41259e05cea3c08245216", known_042_DECODED),
('tests/ubc/042_12.jb2', "f354df8eb4849bc707f088739e322d1fe3a14ef3", known_042_DECODED),
('tests/ubc/042_13.jb2', "7d428bd542f58591b254d9827f554b0552c950a7", known_WHITE_PAGE_DECODED),
('tests/ubc/042_14.jb2', "c40fe3a02acb6359baf9b40fc9c49bc0800be589", known_WHITE_PAGE_DECODED),
('tests/ubc/042_15.jb2', "a9e39fc1ecb178aec9f05039514d75ea3246246c", known_042_DECODED),
('tests/ubc/042_16.jb2', "4008bbca43670f3c90eaee26516293ba95baaf3d", known_042_DECODED),
('tests/ubc/042_17.jb2', "0ff95637b64c57d659a41c582da03e25321551fb", known_042_DECODED),
('tests/ubc/042_18.jb2', "87381d044f00c4329200e44decbe91bebfa31595", known_042_DECODED),
('tests/ubc/042_19.jb2', "387d95a140b456d4742622c788cf5b51cebbf438", known_042_DECODED),
('tests/ubc/042_20.jb2', "85c19e9ec42b8ddd6b860a1bebea1c67610e7a59", known_042_DECODED),
('tests/ubc/042_21.jb2', "ab535c7d7a61a7b9dc53d546e7419ca78ac7f447", known_042_DECODED),
('tests/ubc/042_22.jb2', "a9e2b365be63716dbde74b0661c3c6efd2a6844d", known_042_DECODED),
('tests/ubc/042_23.jb2', "8ffa40a05e93e10982b38a2233a8da58c1b5c343", known_042_DECODED),
('tests/ubc/042_24.jb2', "2553fe65111c58f6412de51d8cdc71651e778ccf", known_042_DECODED),
('tests/ubc/042_25.jb2', "52de4a3b86252d896a8d783ba71dd0699333dd69", known_042_DECODED),
('tests/ubc/amb_1.jb2', "d6d6d1c981dc37a09108c1e3ed990aa5b345fa6a", known_amb_DECODED),
('tests/ubc/amb_2.jb2', "9af6616a89eb03f8934de72626e301a716366c3c", known_amb_DECODED),
('tests/ubc/200-10-0.jb2', "f6014b43775640ef0874497e0873f8deb291cc32", "49cddf903d3451ba23297a6b68502504093979cf"),
('tests/ubc/200-10-0-stripe.jb2', "d19f58cd180afd1ae2afd11c96471e98c7c6f125", "ac89ae2046c4859348418830287982b6d60bf39b"),
('tests/ubc/200-10-45.jb2', "504297b028810f812cbf075597f589a9fb82121b", "38aa99e40c6a746391c26c953223bcd4549cadd0"),
('tests/ubc/200-10-45-stripe.jb2', "0d9f2a63c9fd224a6b60a9b7c0cd658f47551edd", "2921889fc5ffaafb348084761aa7c54831ec57ba"),
('tests/ubc/200-20-0.jb2', "a40aaf33dd4c3225728ddfc0fad12167ceff1b17", "cc1732742d5d68c6d5c3f4eec9d5887e9ee24cd0"),
('tests/ubc/200-20-0-stripe.jb2', "d499a89baf69a1b5f6fa450ec20b21136052b4cd", "743aa86e7abc9e238e23d02fbc993b048589282a"),
('tests/ubc/200-20-45.jb2', "a39f1e2670f1c08dbd07d14a99965bf7253e6318", "7213fb351f65397c12accf662787aa3bc028c40f"),
('tests/ubc/200-20-45-stripe.jb2', "3aa44cdef38fc8e34376480408ca99364ccbf0ee", "9021716b3eca4da549508db691655eddc4d51548"),
('tests/ubc/200-2-0.jb2', "087f529ba6e3cc5fca3773c1d07e39fb642f5052", "534fceffada398444ce065088a37b6d6517a3406"),
('tests/ubc/200-2-0-stripe.jb2', "dc227f7531ccecda08511bda9359864c66a8d230", "56f0e25ae5863a75d69a1825b820ba004e48d2c4"),
('tests/ubc/200-3-0.jb2', "024a20b82e794eb469b4fae2b4f930c5c079fd6b", "57fe3645b028e6c7a68dcf707674f889038ee4b5"),
('tests/ubc/200-3-0-stripe.jb2', "2322db7dc956863b7257d28a212431e304661998", "32ea498b28a46bf04e0b799c70114ab99ce7d15e"),
('tests/ubc/200-3-45.jb2', "21ba06f8cfcc31b5bd7fa39ad98093180d3e05aa", "83e01d0a83d167fe00f7389e5fec0a660841aeef"),
('tests/ubc/200-3-45-stripe.jb2', "6dfe3cbb019ef0c30ecae7d2196b1b3fd7634288", "20c2ade5766eeb3a70dca9963029c0a74171064b"),
('tests/ubc/200-4-0.jb2', "c7d8d8b8a97388b0fcc6e5e3d8708fbce0881edf", "b85fe470db7542789b0632dc87dbdc721e07ddf5"),
('tests/ubc/200-4-0-stripe.jb2', "840f076fd542b2ae8d0d1663ed7efd5683326bc7", "0acd5a6f24637dad4b948fa24563b1fae04996be"),
('tests/ubc/200-4-45.jb2', "6ed49af06268d57137436ffeea2def6f93ea17eb", "5177abf7e9d641ca4f553bd4847134e51bb1159a"),
('tests/ubc/200-4-45-stripe.jb2', "0dfc5b59a046ab05364298b1767334298fa03eeb", "944a399d8763007ae0477f69b80ec28d7fbe6edd"),
('tests/ubc/200-5-0.jb2', "47770e4144b022790af00098ac830ac8665f62a0", "515eaf8e4537bbda841abf3b7ffbd1b4728c7597"),
('tests/ubc/200-5-0-stripe.jb2', "23f784c297c204bc1bf7cd1559a7c38a95097266", "c69e97f9e1a7e45d6eb3975ecb8a4a7dd7f09e2e"),
('tests/ubc/200-5-45.jb2', "193376e966e8bc22868e38791289e810953b5483", "77fff5286023b77316221d5c36a6d40f8b905ca9"),
('tests/ubc/200-5-45-stripe.jb2', "d211863df684b5c113c2e29aec72c6a533681356", "efd7b9ae877bf3d71c0baa604a1014e1218ada90"),
('tests/ubc/200-6-0.jb2', "e66a8cff6c00575018253a06f9309192cc796fb2", "7b5dae69e6f8953463dd29707f77225cd8a543ad"),
('tests/ubc/200-6-0-stripe.jb2', "55ba1b94e73d96defbb7abbe35ccf13b4e1ac89f", "e8a1b55780dde4102f37ca5fafeff29bbd30e867"),
('tests/ubc/200-6-45.jb2', "71d167f8af4e6c2a3202c26873aedf490e8da8f2", "9093ba8bfc65b87dddc310d437b8ca626ee2283c"),
('tests/ubc/200-6-45-stripe.jb2', "abcf8f71f9ce0cb65c43942ecf0cfda7ece5d7ff", "397a48e4f3a3261928b2175699104117e36349e6"),
('tests/ubc/200-8-0.jb2', "e7004846acb5529d5335c16315d11c188edea89d", "8cfa43f514911d35d9666e52ae51bbd93a9bddfc"),
('tests/ubc/200-8-0-stripe.jb2', "0d96be49231e7e5a52c41bfa7303768465a9fa81", "021fbcfa12122999cded6beea3b7aa3c7018acbd"),
('tests/ubc/200-8-45.jb2', "e28403c3bf1014a5b5e9c3c3e5e99cae47aa09ab", "669986963011b174d5352d38e6c77f459ff3bebd"),
('tests/ubc/200-8-45-stripe.jb2', "c2e19b3e51d06c102a06643f3ea15f77d6df3788", "ceb0ef29cb68fe53d9abceb45ab182c1e6a39ff7"),
('tests/ubc/200-lossless.jb2', "b9989aea1a3edd65e38e7fbeaa89a29d7a2aa342", "94d9324437bc27955e610ef4fbbd684ad3107fea"),
('tests/ubc/600-10-0.jb2', "46c9af206382243d838f86ea45c63e7ca2900b68", "0ad323815315270f02f8220ed3b69133a1639f74"),
('tests/ubc/600-10-45.jb2', "1f143e95bf57d8d2696525797e198efd785f7221", "16002bb4e4cefbb58da5dde531b1064b9e6ad1a7"),
('tests/ubc/600-20-0.jb2', "8c874b1fb89e714ef8c64f33d292db2aea4fd05f", "a537aac28d9e0ea27d43a38024962f86aa1e403b"),
('tests/ubc/600-20-45.jb2', "a9c94915dd140916bc14db7b4bc9fc5d7e73b5a9", "5af6ec6f2e8ae68cfb6df3f82bf47ee2f6c4f0b5"),
('tests/ubc/600-30-0.jb2', "f0b9eea13b5c7a18742238778f1a3b7e1a4d3361", "6feaffc771381922a578bc54c4b50d18e7933ea1"),
('tests/ubc/600-30-45.jb2', "65bb4202b575bba6063ef3597a5eefa356b5e660", "768788c5176d5ffb5d8d0855d8ab34312611f67d"),
('tests/ubc/600-6-0.jb2', "c54abd4bdbb26b1f1209dc03ab10c05cdfd7a63a", "baba4bc5359c0fafc54efcba14da2bd5943222be"),
('tests/ubc/600-6-45.jb2', "94f4f6ea60eda33e0cd8bb94a5a0f90dc05f96a7", "bc3afe7c37533ca43f3244e6877ce38b3e978e9f"),
('tests/ubc/600-lossless.jb2', "60ecd5ddfb0984e3d2691bc385f425a50c753019", "f632d82b3c3d500098ad560e5ab91c69bd20827f")
)
def __init__(self, file, file_hash, decode_hash):
SelfTest.__init__(self)
self.file = file
self.file_hash = file_hash
self.decode_hash = decode_hash
def shortDescription(self):
return "Checking '%s' for correct decoded document hash" % self.file
def runTest(self):
'''jbig2dec should return proper document hashes for known files'''
# verify that the input file hash is correct
sha1 = hashlib.sha1()
with open(self.file, 'rb') as f:
sha1.update(f.read())
self.assertEqual(self.file_hash, sha1.hexdigest())
# invoke jbig2dec on our file
instance = os.popen('./jbig2dec -q -o /dev/null --hash ' + self.file)
lines = instance.readlines()
exit_code = instance.close()
self.failIf(exit_code, 'jbig2dec should exit normally')
# test here for correct hash
hash_pattern = re.compile('[0-9a-f]{%d}' % len(decode_hash))
for line in lines:
m = hash_pattern.search(line.lower())
if m:
self.assertEqual(self.decode_hash, m.group(),
'hash of known decoded document must be correct')
return
self.fail('document hash was not found in the output')
suite = SelfTestSuite()
for filename, file_hash, decode_hash in KnownFileHash.known_hashes:
# only add tests for files we can find
if not os.access(filename, os.R_OK): continue
# todo: verify our file matches its encoded document hash
suite.addTest(KnownFileHash(filename, file_hash, decode_hash))
# run the defined tests if we're called as a script
if __name__ == "__main__":
result = suite.run()
sys.exit(not result)
|
