diff options
| -rw-r--r-- | tests/test_hash.py | 437 |
1 files changed, 171 insertions, 266 deletions
diff --git a/tests/test_hash.py b/tests/test_hash.py index 900ccd7..e237ca4 100644 --- a/tests/test_hash.py +++ b/tests/test_hash.py @@ -4,275 +4,180 @@ # Licensed under the terms of 2-clause BSD license import io -import tempfile -import unittest -import gemato.exceptions -import gemato.hash +import pytest +from gemato.exceptions import ( + UnsupportedHash, + ) +from gemato.hash import ( + get_hash_by_name, + hash_bytes, + hash_file, + hash_path, + ) -TEST_STRING = b'The quick brown fox jumps over the lazy dog' - - -class HashAPITest(unittest.TestCase): - """ - Test basic aspects of the hash function API. - """ - - def test_get_valid(self): - gemato.hash.get_hash_by_name('md5') - gemato.hash.get_hash_by_name('sha1') - - def test_get_invalid(self): - self.assertRaises(gemato.exceptions.UnsupportedHash, - gemato.hash.get_hash_by_name, '_invalid_name_') - - def test_get_invalid_pyblake2(self): - self.assertRaises(gemato.exceptions.UnsupportedHash, - gemato.hash.get_hash_by_name, 'blake2zzz') - - def test_get_invalid_pysha3(self): - self.assertRaises(gemato.exceptions.UnsupportedHash, - gemato.hash.get_hash_by_name, 'sha3_987') - - def test_hash_file(self): - f = io.BytesIO(TEST_STRING) - self.assertDictEqual(gemato.hash.hash_file(f, ('md5', 'sha1', 'sha256')), - { - 'md5': '9e107d9d372bb6826bd81d3542a419d6', - 'sha1': '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12', - 'sha256': 'd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592', - }) - - def test_hash_empty_file(self): - f = io.BytesIO(b'') - self.assertDictEqual(gemato.hash.hash_file(f, ('md5', 'sha1', 'sha256')), - { - 'md5': 'd41d8cd98f00b204e9800998ecf8427e', - 'sha1': 'da39a3ee5e6b4b0d3255bfef95601890afd80709', - 'sha256': 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', - }) - - def test_hash_path(self): - with tempfile.NamedTemporaryFile() as f: - f.write(TEST_STRING) - f.flush() - self.assertDictEqual(gemato.hash.hash_path(f.name, ('md5', 'sha1', 'sha256')), - { - 'md5': '9e107d9d372bb6826bd81d3542a419d6', - 'sha1': '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12', - 'sha256': 'd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592', - }) - - def test_hash_empty_path(self): - with tempfile.NamedTemporaryFile() as f: - self.assertDictEqual(gemato.hash.hash_path(f.name, ('md5', 'sha1', 'sha256')), - { - 'md5': 'd41d8cd98f00b204e9800998ecf8427e', - 'sha1': 'da39a3ee5e6b4b0d3255bfef95601890afd80709', - 'sha256': 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', - }) - - -class GuaranteedHashTest(unittest.TestCase): - """ - Test basic operation of various hash functions. This test aims - mostly to make sure that we can load and run the various backend - routines, and that they run the correct version of the hash. - This set covers hash functions that are guaranteed to be provided. - """ - - def test_md5(self): - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'md5'), - '9e107d9d372bb6826bd81d3542a419d6') - - def test_md5_empty(self): - self.assertEqual(gemato.hash.hash_bytes(b'', 'md5'), - 'd41d8cd98f00b204e9800998ecf8427e') - - def test_sha1(self): - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha1'), - '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12') - - def test_sha1_empty(self): - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha1'), - 'da39a3ee5e6b4b0d3255bfef95601890afd80709') - - def test_sha224(self): - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha224'), - '730e109bd7a8a32b1cb9d9a09aa2325d2430587ddbc0c38bad911525') - - def test_sha224_empty(self): - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha224'), - 'd14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f') - - def test_sha256(self): - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha256'), - 'd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592') - - def test_sha256_empty(self): - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha256'), - 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855') - - def test_sha384(self): - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha384'), - 'ca737f1014a48f4c0b6dd43cb177b0afd9e5169367544c494011e3317dbf9a509cb1e5dc1e85a941bbee3d7f2afbc9b1') - - def test_sha384_empty(self): - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha384'), - '38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b') - - def test_sha512(self): - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha512'), - '07e547d9586f6a73f73fbac0435ed76951218fb7d0c8d788a309d785436bbb642e93a252a954f23912547d1e8a3b5ed6e1bfd7097821233fa0538f3db854fee6') - def test_sha512_empty(self): - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha512'), - 'cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e') - - -class OptionalHashTest(unittest.TestCase): - """ - Test basic operation of various hash functions. This test aims - mostly to make sure that we can load and run the various backend - routines, and that they run the correct version of the hash. - This set covers hash functions that are optional. - """ - - def test_md4(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'md4'), - '1bee69a46ba811185c194762abaeae90') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_md4_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'md4'), - '31d6cfe0d16ae931b73c59d7e0c089c0') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_ripemd160(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'ripemd160'), - '37f332f68db77bd9d7edd4969571ad671cf9dd3b') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_ripemd160_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'ripemd160'), - '9c1185a5c5e9fc54612808977ee8f548b2258d31') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_blake2b(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'blake2b'), - 'a8add4bdddfd93e4877d2746e62817b116364a1fa7bc148d95090bc7333b3673f82401cf7aa2e4cb1ecd90296e3f14cb5413f8ed77be73045b13914cdcd6a918') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_blake2b_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'blake2b'), - '786a02f742015903c6c6fd852552d272912f4740e15847618a86e217f71f5419d25e1031afee585313896444934eb04b903a685b1448b755d56f701afe9be2ce') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_blake2s(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'blake2s'), - '606beeec743ccbeff6cbcdf5d5302aa855c256c29b88c8ed331ea1a6bf3c8812') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_blake2s_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'blake2s'), - '69217a3079908094e11121d042354a7c1f55b6482ca1a51e1b250dfd1ed0eef9') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_224(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha3_224'), - 'd15dadceaa4d5d7bb3b48f446421d542e08ad8887305e28d58335795') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_224_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha3_224'), - '6b4e03423667dbb73b6e15454f0eb1abd4597f9a1b078e3f5b5a6bc7') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_256(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha3_256'), - '69070dda01975c8c120c3aada1b282394e7f032fa9cf32f4cb2259a0897dfc04') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_256_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha3_256'), - 'a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_384(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha3_384'), - '7063465e08a93bce31cd89d2e3ca8f602498696e253592ed26f07bf7e703cf328581e1471a7ba7ab119b1a9ebdf8be41') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_384_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha3_384'), - '0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2ac3713831264adb47fb6bd1e058d5f004') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_512(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'sha3_512'), - '01dedd5de4ef14642445ba5f5b97c15e47b9ad931326e4b0727cd94cefc44fff23f07bf543139939b49128caf436dc1bdee54fcb24023a08d9403f9b4bf0d450') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_sha3_512_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'sha3_512'), - 'a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_whirlpool(self): - try: - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, 'whirlpool'), - 'b97de512e91e3828b40d2b0fdce9ceb3c4a71f9bea8d88e75c4fa854df36725fd2b52eb6544edcacd6f8beddfea403cb55ae31f03ad62a5ef54e42ee82c3fb35') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - def test_whirlpool_empty(self): - try: - self.assertEqual(gemato.hash.hash_bytes(b'', 'whirlpool'), - '19fa61d75522a4669b44e39c1d2e1726c530232130d407f89afee0964997f7a73e83be698b288febcf88e3e03c4f0757ea8964e59b63d93708b138cc42a66eb3') - except gemato.exceptions.UnsupportedHash: - raise unittest.SkipTest('hash not supported') - - -class SizeHashTest(unittest.TestCase): - """ - Test __size__ special function. - """ +EMPTY_STRING = b'' +TEST_STRING = b'The quick brown fox jumps over the lazy dog' - def test_size(self): - self.assertEqual(gemato.hash.hash_bytes(TEST_STRING, '__size__'), 43) - def test_size_empty(self): - self.assertEqual(gemato.hash.hash_bytes(b'', '__size__'), 0) +@pytest.mark.parametrize('name', ['_invalid_name_', + 'blake2zzzz', + 'sha3_987']) +def test_get_invalid(name): + with pytest.raises(UnsupportedHash): + get_hash_by_name(name) + + +REQUIRED_TEST_HASHES = { + 'TEST_STRING': { + 'md5': '9e107d9d372bb6826bd81d3542a419d6', + 'sha1': '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12', + 'sha256': 'd7a8fbb307d7809469ca9abcb0082e4f' + '8d5651e46d3cdb762d02d0bf37c9e592', + }, + 'EMPTY_STRING': { + 'md5': 'd41d8cd98f00b204e9800998ecf8427e', + 'sha1': 'da39a3ee5e6b4b0d3255bfef95601890afd80709', + 'sha256': 'e3b0c44298fc1c149afbf4c8996fb924' + '27ae41e4649b934ca495991b7852b855', + }, +} + + +HASH_VARIANTS = [ + # name, required, test hashes + ('md5', True, + {'TEST_STRING': REQUIRED_TEST_HASHES['TEST_STRING']['md5'], + 'EMPTY_STRING': REQUIRED_TEST_HASHES['EMPTY_STRING']['md5'], + }), + ('sha1', True, + {'TEST_STRING': REQUIRED_TEST_HASHES['TEST_STRING']['sha1'], + 'EMPTY_STRING': REQUIRED_TEST_HASHES['EMPTY_STRING']['sha1'], + }), + ('sha224', True, + {'TEST_STRING': '730e109bd7a8a32b1cb9d9a09aa2' + '325d2430587ddbc0c38bad911525', + 'EMPTY_STRING': 'd14a028c2a3a2bc9476102bb2882' + '34c415a2b01f828ea62ac5b3e42f', + }), + ('sha256', True, + {'TEST_STRING': REQUIRED_TEST_HASHES['TEST_STRING']['sha256'], + 'EMPTY_STRING': REQUIRED_TEST_HASHES['EMPTY_STRING']['sha256'], + }), + ('sha384', True, + {'TEST_STRING': 'ca737f1014a48f4c0b6dd43cb177b0af' + 'd9e5169367544c494011e3317dbf9a50' + '9cb1e5dc1e85a941bbee3d7f2afbc9b1', + 'EMPTY_STRING': '38b060a751ac96384cd9327eb1b1e36a' + '21fdb71114be07434c0cc7bf63f6e1da' + '274edebfe76f65fbd51ad2f14898b95b', + }), + ('sha512', True, + {'TEST_STRING': '07e547d9586f6a73f73fbac0435ed769' + '51218fb7d0c8d788a309d785436bbb64' + '2e93a252a954f23912547d1e8a3b5ed6' + 'e1bfd7097821233fa0538f3db854fee6', + 'EMPTY_STRING': 'cf83e1357eefb8bdf1542850d66d8007' + 'd620e4050b5715dc83f4a921d36ce9ce' + '47d0d13c5d85f2b0ff8318d2877eec2f' + '63b931bd47417a81a538327af927da3e', + }), + ('md4', False, + {'TEST_STRING': '1bee69a46ba811185c194762abaeae90', + 'EMPTY_STRING': '31d6cfe0d16ae931b73c59d7e0c089c0', + }), + ('ripemd160', False, + {'TEST_STRING': '37f332f68db77bd9d7edd4969571ad671cf9dd3b', + 'EMPTY_STRING': '9c1185a5c5e9fc54612808977ee8f548b2258d31', + }), + ('blake2b', False, + {'TEST_STRING': 'a8add4bdddfd93e4877d2746e62817b1' + '16364a1fa7bc148d95090bc7333b3673' + 'f82401cf7aa2e4cb1ecd90296e3f14cb' + '5413f8ed77be73045b13914cdcd6a918', + 'EMPTY_STRING': '786a02f742015903c6c6fd852552d272' + '912f4740e15847618a86e217f71f5419' + 'd25e1031afee585313896444934eb04b' + '903a685b1448b755d56f701afe9be2ce', + }), + ('blake2s', False, + {'TEST_STRING': '606beeec743ccbeff6cbcdf5d5302aa8' + '55c256c29b88c8ed331ea1a6bf3c8812', + 'EMPTY_STRING': '69217a3079908094e11121d042354a7c' + '1f55b6482ca1a51e1b250dfd1ed0eef9', + }), + ('sha3_224', False, + {'TEST_STRING': 'd15dadceaa4d5d7bb3b48f446421' + 'd542e08ad8887305e28d58335795', + 'EMPTY_STRING': '6b4e03423667dbb73b6e15454f0e' + 'b1abd4597f9a1b078e3f5b5a6bc7', + }), + ('sha3_256', False, + {'TEST_STRING': '69070dda01975c8c120c3aada1b28239' + '4e7f032fa9cf32f4cb2259a0897dfc04', + 'EMPTY_STRING': 'a7ffc6f8bf1ed76651c14756a061d662' + 'f580ff4de43b49fa82d80a4b80f8434a', + }), + ('sha3_384', False, + {'TEST_STRING': '7063465e08a93bce31cd89d2e3ca8f60' + '2498696e253592ed26f07bf7e703cf32' + '8581e1471a7ba7ab119b1a9ebdf8be41', + 'EMPTY_STRING': '0c63a75b845e4f7d01107d852e4c2485' + 'c51a50aaaa94fc61995e71bbee983a2a' + 'c3713831264adb47fb6bd1e058d5f004', + }), + ('sha3_512', False, + {'TEST_STRING': '01dedd5de4ef14642445ba5f5b97c15e' + '47b9ad931326e4b0727cd94cefc44fff' + '23f07bf543139939b49128caf436dc1b' + 'dee54fcb24023a08d9403f9b4bf0d450', + 'EMPTY_STRING': 'a69f73cca23a9ac5c8b567dc185a756e' + '97c982164fe25859e0d1dcc1475c80a6' + '15b2123af1f5f94c11e3e9402c3ac558' + 'f500199d95b6d3e301758586281dcd26', + }), + ('whirlpool', False, + {'TEST_STRING': 'b97de512e91e3828b40d2b0fdce9ceb3' + 'c4a71f9bea8d88e75c4fa854df36725f' + 'd2b52eb6544edcacd6f8beddfea403cb' + '55ae31f03ad62a5ef54e42ee82c3fb35', + 'EMPTY_STRING': '19fa61d75522a4669b44e39c1d2e1726' + 'c530232130d407f89afee0964997f7a7' + '3e83be698b288febcf88e3e03c4f0757' + 'ea8964e59b63d93708b138cc42a66eb3', + }), + ('__size__', True, + {'TEST_STRING': 43, + 'EMPTY_STRING': 0, + }), +] + + +@pytest.mark.parametrize('name,required,test_hashes', + HASH_VARIANTS) +@pytest.mark.parametrize('test_var', ['TEST_STRING', 'EMPTY_STRING']) +def test_hash_bytes(name, required, test_hashes, test_var): + try: + assert hash_bytes(globals()[test_var], name) == test_hashes[test_var] + except UnsupportedHash: + if not required: + pytest.skip(f'Hash {name} not supported') + raise + + +@pytest.mark.parametrize('test_var', ['TEST_STRING', 'EMPTY_STRING']) +def test_hash_file(test_var): + with io.BytesIO(globals()[test_var]) as f: + assert (hash_file(f, REQUIRED_TEST_HASHES[test_var].keys()) == + REQUIRED_TEST_HASHES[test_var]) + + +@pytest.mark.parametrize('test_var', ['TEST_STRING', 'EMPTY_STRING']) +def test_hash_path(tmp_path, test_var): + with open(tmp_path / 'test.txt', 'wb') as f: + f.write(globals()[test_var]) + assert (hash_path(tmp_path / 'test.txt', + REQUIRED_TEST_HASHES[test_var].keys()) == + REQUIRED_TEST_HASHES[test_var]) |