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test_marshalling.py
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# Copyright 2013-2015 DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from cassandra.marshal import bitlength
try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
import platform
from datetime import datetime, date
from decimal import Decimal
from uuid import UUID
from cassandra.cqltypes import lookup_casstype, DecimalType, UTF8Type
from cassandra.util import OrderedMap, OrderedMapSerializedKey, sortedset, Time, Date
marshalled_value_pairs = (
# binary form, type, python native type
(b'lorem ipsum dolor sit amet', 'AsciiType', 'lorem ipsum dolor sit amet'),
(b'', 'AsciiType', ''),
(b'\x01', 'BooleanType', True),
(b'\x00', 'BooleanType', False),
(b'', 'BooleanType', None),
(b'\xff\xfe\xfd\xfc\xfb', 'BytesType', b'\xff\xfe\xfd\xfc\xfb'),
(b'', 'BytesType', b''),
(b'\x7f\xff\xff\xff\xff\xff\xff\xff', 'CounterColumnType', 9223372036854775807),
(b'\x80\x00\x00\x00\x00\x00\x00\x00', 'CounterColumnType', -9223372036854775808),
(b'', 'CounterColumnType', None),
(b'\x00\x00\x013\x7fb\xeey', 'DateType', datetime(2011, 11, 7, 18, 55, 49, 881000)),
(b'', 'DateType', None),
(b'\x00\x00\x00\r\nJ\x04"^\x91\x04\x8a\xb1\x18\xfe', 'DecimalType', Decimal('1243878957943.1234124191998')),
(b'\x00\x00\x00\x06\xe5\xde]\x98Y', 'DecimalType', Decimal('-112233.441191')),
(b'\x00\x00\x00\x14\x00\xfa\xce', 'DecimalType', Decimal('0.00000000000000064206')),
(b'\x00\x00\x00\x14\xff\x052', 'DecimalType', Decimal('-0.00000000000000064206')),
(b'\xff\xff\xff\x9c\x00\xfa\xce', 'DecimalType', Decimal('64206e100')),
(b'', 'DecimalType', None),
(b'@\xd2\xfa\x08\x00\x00\x00\x00', 'DoubleType', 19432.125),
(b'\xc0\xd2\xfa\x08\x00\x00\x00\x00', 'DoubleType', -19432.125),
(b'\x7f\xef\x00\x00\x00\x00\x00\x00', 'DoubleType', 1.7415152243978685e+308),
(b'', 'DoubleType', None),
(b'F\x97\xd0@', 'FloatType', 19432.125),
(b'\xc6\x97\xd0@', 'FloatType', -19432.125),
(b'\xc6\x97\xd0@', 'FloatType', -19432.125),
(b'\x7f\x7f\x00\x00', 'FloatType', 338953138925153547590470800371487866880.0),
(b'', 'FloatType', None),
(b'\x7f\x50\x00\x00', 'Int32Type', 2135949312),
(b'\xff\xfd\xcb\x91', 'Int32Type', -144495),
(b'', 'Int32Type', None),
(b'f\x1e\xfd\xf2\xe3\xb1\x9f|\x04_\x15', 'IntegerType', 123456789123456789123456789),
(b'', 'IntegerType', None),
(b'\x7f\xff\xff\xff\xff\xff\xff\xff', 'LongType', 9223372036854775807),
(b'\x80\x00\x00\x00\x00\x00\x00\x00', 'LongType', -9223372036854775808),
(b'', 'LongType', None),
(b'', 'InetAddressType', None),
(b'A46\xa9', 'InetAddressType', '65.52.54.169'),
(b'*\x00\x13(\xe1\x02\xcc\xc0\x00\x00\x00\x00\x00\x00\x01"', 'InetAddressType', '2a00:1328:e102:ccc0::122'),
(b'\xe3\x81\xbe\xe3\x81\x97\xe3\x81\xa6', 'UTF8Type', u'\u307e\u3057\u3066'),
(b'\xe3\x81\xbe\xe3\x81\x97\xe3\x81\xa6' * 1000, 'UTF8Type', u'\u307e\u3057\u3066' * 1000),
(b'', 'UTF8Type', u''),
(b'\xff' * 16, 'UUIDType', UUID('ffffffff-ffff-ffff-ffff-ffffffffffff')),
(b'I\x15~\xfc\xef<\x9d\xe3\x16\x98\xaf\x80\x1f\xb4\x0b*', 'UUIDType', UUID('49157efc-ef3c-9de3-1698-af801fb40b2a')),
(b'', 'UUIDType', None),
(b'', 'MapType(AsciiType, BooleanType)', None),
(b'', 'ListType(FloatType)', None),
(b'', 'SetType(LongType)', None),
(b'\x00\x00', 'MapType(DecimalType, BooleanType)', OrderedMapSerializedKey(DecimalType, 0)),
(b'\x00\x00', 'ListType(FloatType)', []),
(b'\x00\x00', 'SetType(IntegerType)', sortedset()),
(b'\x00\x01\x00\x10\xafYC\xa3\xea<\x11\xe1\xabc\xc4,\x03"y\xf0', 'ListType(TimeUUIDType)', [UUID(bytes=b'\xafYC\xa3\xea<\x11\xe1\xabc\xc4,\x03"y\xf0')]),
(b'\x80\x00\x00\x01', 'SimpleDateType', Date(1)),
(b'\x7f\xff\xff\xff', 'SimpleDateType', Date('1969-12-31')),
(b'\x00\x00\x00\x00\x00\x00\x00\x01', 'TimeType', Time(1)),
(b'\x7f', 'ByteType', 127),
(b'\x80', 'ByteType', -128),
(b'\x7f\xff', 'ShortType', 32767),
(b'\x80\x00', 'ShortType', -32768)
)
ordered_map_value = OrderedMapSerializedKey(UTF8Type, 2)
ordered_map_value._insert(u'\u307fbob', 199)
ordered_map_value._insert(u'', -1)
ordered_map_value._insert(u'\\', 0)
# these following entries work for me right now, but they're dependent on
# vagaries of internal python ordering for unordered types
marshalled_value_pairs_unsafe = (
(b'\x00\x03\x00\x06\xe3\x81\xbfbob\x00\x04\x00\x00\x00\xc7\x00\x00\x00\x04\xff\xff\xff\xff\x00\x01\\\x00\x04\x00\x00\x00\x00', 'MapType(UTF8Type, Int32Type)', ordered_map_value),
(b'\x00\x02\x00\x08@\x01\x99\x99\x99\x99\x99\x9a\x00\x08@\x14\x00\x00\x00\x00\x00\x00', 'SetType(DoubleType)', sortedset([2.2, 5.0])),
(b'\x00', 'IntegerType', 0),
)
if platform.python_implementation() == 'CPython':
# Only run tests for entries which depend on internal python ordering under
# CPython
marshalled_value_pairs += marshalled_value_pairs_unsafe
class UnmarshalTest(unittest.TestCase):
def test_unmarshalling(self):
for serializedval, valtype, nativeval in marshalled_value_pairs:
unmarshaller = lookup_casstype(valtype)
whatwegot = unmarshaller.from_binary(serializedval, 1)
self.assertEqual(whatwegot, nativeval,
msg='Unmarshaller for %s (%s) failed: unmarshal(%r) got %r instead of %r'
% (valtype, unmarshaller, serializedval, whatwegot, nativeval))
self.assertEqual(type(whatwegot), type(nativeval),
msg='Unmarshaller for %s (%s) gave wrong type (%s instead of %s)'
% (valtype, unmarshaller, type(whatwegot), type(nativeval)))
def test_marshalling(self):
for serializedval, valtype, nativeval in marshalled_value_pairs:
marshaller = lookup_casstype(valtype)
whatwegot = marshaller.to_binary(nativeval, 1)
self.assertEqual(whatwegot, serializedval,
msg='Marshaller for %s (%s) failed: marshal(%r) got %r instead of %r'
% (valtype, marshaller, nativeval, whatwegot, serializedval))
self.assertEqual(type(whatwegot), type(serializedval),
msg='Marshaller for %s (%s) gave wrong type (%s instead of %s)'
% (valtype, marshaller, type(whatwegot), type(serializedval)))
def test_bitlength(self):
self.assertEqual(bitlength(9), 4)
self.assertEqual(bitlength(-10), 0)
self.assertEqual(bitlength(0), 0)