ref: cc3a563ea709064bf47147bd817a962e368a5c2a
dir: /test_jbig2dec.py/
#! /usr/bin/env python # this is the testtest script for jbig2dec # $Id$ import os, re import unittest class KnownFileHash(unittest.TestCase): # hashes of known test inputs known_042_DECODED = "ebfdf6e2fc5ff3ee2271c2fa19de0e52712046e8" # we do not have correct hashes for these known_amb_DECODED = "ff32ffff0776ff66ff254129ff28ffffffff6bff" # these are known test files in the form # (filename, sha-1(file), sha-1(decoded document) known_hashes = ( ('../ubc/042_1.jb2', "673e1ee5c55ab241b171e476ba1168a42733ddaa", known_042_DECODED), ('../ubc/042_2.jb2', "9aa2804e2d220952035c16fb3c907547884067c5", known_042_DECODED), ('../ubc/042_3.jb2', "9663a5f35727f13e61a0a2f0a64207b1f79e7d67", known_042_DECODED), ('../ubc/042_4.jb2', "014df658c8b99b600c2ceac3f1d53c7cc2b4917c", known_042_DECODED), ('../ubc/042_5.jb2', "264720a6ccbbf72aa6a2cfb6343f43b8e6f2da4b", known_042_DECODED), ('../ubc/042_6.jb2', "96f7dc9df4a1b305f9ac082dd136f85ef5b108fe", known_042_DECODED), ('../ubc/042_7.jb2', "5526371ba9dc2b8743f20ae3e05a7e60b3dcba76", known_042_DECODED), ('../ubc/042_8.jb2', "4bf0c87dfaf40d67c36f2a083579eeda26d54641", known_042_DECODED), ('../ubc/042_9.jb2', "53e630e7fe2fe6e1d6164758e15fc93382e07f55", known_042_DECODED), ('../ubc/042_10.jb2', "5ca1364367e25cb8f642e9dc677a94d5cfed0c8b", known_042_DECODED), ('../ubc/042_11.jb2', "bc194caf022bc5345fc41259e05cea3c08245216", known_042_DECODED), ('../ubc/042_12.jb2', "f354df8eb4849bc707f088739e322d1fe3a14ef3", known_042_DECODED), ('../ubc/042_13.jb2', "7d428bd542f58591b254d9827f554b0552c950a7", known_042_DECODED), ('../ubc/042_14.jb2', "c40fe3a02acb6359baf9b40fc9c49bc0800be589", known_042_DECODED), ('../ubc/042_15.jb2', "a9e39fc1ecb178aec9f05039514d75ea3246246c", known_042_DECODED), ('../ubc/042_16.jb2', "4008bbca43670f3c90eaee26516293ba95baaf3d", known_042_DECODED), ('../ubc/042_17.jb2', "0ff95637b64c57d659a41c582da03e25321551fb", known_042_DECODED), ('../ubc/042_18.jb2', "87381d044f00c4329200e44decbe91bebfa31595", known_042_DECODED), ('../ubc/042_19.jb2', "387d95a140b456d4742622c788cf5b51cebbf438", known_042_DECODED), ('../ubc/042_20.jb2', "85c19e9ec42b8ddd6b860a1bebea1c67610e7a59", known_042_DECODED), ('../ubc/042_21.jb2', "ab535c7d7a61a7b9dc53d546e7419ca78ac7f447", known_042_DECODED), ('../ubc/042_22.jb2', "a9e2b365be63716dbde74b0661c3c6efd2a6844d", known_042_DECODED), ('../ubc/042_23.jb2', "8ffa40a05e93e10982b38a2233a8da58c1b5c343", known_042_DECODED), ('../ubc/042_24.jb2', "2553fe65111c58f6412de51d8cdc71651e778ccf", known_042_DECODED), ('../ubc/042_25.jb2', "52de4a3b86252d896a8d783ba71dd0699333dd69", known_042_DECODED), ('../ubc/amb_1.jb2', "d6d6d1c981dc37a09108c1e3ed990aa5b345fa6a", known_amb_DECODED), ('../ubc/amb_2.jb2', "9af6616a89eb03f8934de72626e301a716366c3c", known_amb_DECODED), ('../str-p39', "1a303e33d3ea57eb7e19a676a1b2f28baa29b045", "ff373f070f5f405b732c53ffffff087eff22ff5b") ) def __init__(self, file, file_hash, decode_hash): self.file = file self.file_hash = file_hash self.decode_hash = decode_hash unittest.TestCase.__init__(self) 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''' # 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 = unittest.TestSuite() 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__": import sys verbosity = 2 runner = unittest.TextTestRunner(verbosity=verbosity) result = runner.run(suite) sys.exit(not result.wasSuccessful())