def test_multihash_nonexistent(self):
mhs = multihash.multihash_serial_exec()
with self.assertRaises(IOError):
mhs.hash_file('/tmp/nonexistent')
mhp = multihash.multihash_hashlib()
with self.assertRaises(IOError):
mhp.hash_file('/tmp/nonexistent')
def test_multihash_files(self):
files = [os.devnull, 'random_1M.bin', 'random_5M.bin']
for fn in files:
local_path = get_local_path('..', 'data', fn)
mhs = multihash.multihash_serial_exec()
mhp = multihash.multihash_hashlib()
mhs.hash_file(local_path)
mhp.hash_file(local_path)
self.assertEquals(mhs.hexdigests(), mhp.hexdigests())
def test_multihash_gethash_serial_nonexistent_hash(self):
mh = multihash.multihash_serial_exec()
with utils.stringio() as output:
with utils.redirect('stdout', output):
nonexistent_hash = 'nonexistent_hash_algo'
self.assertFalse(mh.get_hash(os.devnull, nonexistent_hash))
out = ("%s: '%s%s': Cannot execute, please check it is properly"
" installed, and available through your PATH environment "
"variable.\n%s: [Errno 2] No such file or directory\n" %
(sys.argv[0], nonexistent_hash, 'sum', sys.argv[0]))
out = out.split("\n")[0]
self.assertEqual(output.getvalue().split("\n")[0], out)
def test_multihash_string_serial(self):
mh = multihash.multihash_serial_exec()
with open('test.txt', 'wb') as test_file:
test_file.write('toto')
test_file.flush()
mh.hash_file('test.txt')
self.assertEquals(mh.hexdigests()['md5'], 'f71dbe52628a3f83a77ab494817525c6')
test_file.write('titi')
test_file.flush()
mh.hash_file('test.txt')
self.assertEquals(mh.hexdigests()['md5'], '92fdff5b8595ef3f9ac0de664ce21532')
os.remove('test.txt')
def test_multihash_gethash_serial(self):
mh = multihash.multihash_serial_exec()
self.assertEquals(mh.get_hash(os.devnull, 'md5'), 'd41d8cd98f00b204e9800998ecf8427e')
self.assertIsNone(mh.get_hash('/tmp/nonexistent', 'md5'))