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# Copyright 2013-2016 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.

try:

import unittest2 as unittest

except ImportError:

import unittest # noqa

from binascii import unhexlify

import datetime

import tempfile

import six

import time

import cassandra

from cassandra.cqltypes import (BooleanType, lookup_casstype_simple, lookup_casstype,

LongType, DecimalType, SetType, cql_typename,

CassandraType, UTF8Type, parse_casstype_args,

SimpleDateType, TimeType, ByteType, ShortType,

EmptyValue, _CassandraType, DateType, int64_pack)

from cassandra.encoder import cql_quote

from cassandra.protocol import (write_string, read_longstring, write_stringmap,

read_stringmap, read_inet, write_inet,

read_string, write_longstring)

from cassandra.query import named_tuple_factory

class TypeTests(unittest.TestCase):

def test_lookup_casstype_simple(self):

"""

Ensure lookup_casstype_simple returns the correct classes

"""

self.assertEqual(lookup_casstype_simple('AsciiType'), cassandra.cqltypes.AsciiType)

self.assertEqual(lookup_casstype_simple('LongType'), cassandra.cqltypes.LongType)

self.assertEqual(lookup_casstype_simple('BytesType'), cassandra.cqltypes.BytesType)

self.assertEqual(lookup_casstype_simple('BooleanType'), cassandra.cqltypes.BooleanType)

self.assertEqual(lookup_casstype_simple('CounterColumnType'), cassandra.cqltypes.CounterColumnType)

self.assertEqual(lookup_casstype_simple('DecimalType'), cassandra.cqltypes.DecimalType)

self.assertEqual(lookup_casstype_simple('DoubleType'), cassandra.cqltypes.DoubleType)

self.assertEqual(lookup_casstype_simple('FloatType'), cassandra.cqltypes.FloatType)

self.assertEqual(lookup_casstype_simple('InetAddressType'), cassandra.cqltypes.InetAddressType)

self.assertEqual(lookup_casstype_simple('Int32Type'), cassandra.cqltypes.Int32Type)

self.assertEqual(lookup_casstype_simple('UTF8Type'), cassandra.cqltypes.UTF8Type)

self.assertEqual(lookup_casstype_simple('DateType'), cassandra.cqltypes.DateType)

self.assertEqual(lookup_casstype_simple('SimpleDateType'), cassandra.cqltypes.SimpleDateType)

self.assertEqual(lookup_casstype_simple('ByteType'), cassandra.cqltypes.ByteType)

self.assertEqual(lookup_casstype_simple('ShortType'), cassandra.cqltypes.ShortType)

self.assertEqual(lookup_casstype_simple('TimeUUIDType'), cassandra.cqltypes.TimeUUIDType)

self.assertEqual(lookup_casstype_simple('TimeType'), cassandra.cqltypes.TimeType)

self.assertEqual(lookup_casstype_simple('UUIDType'), cassandra.cqltypes.UUIDType)

self.assertEqual(lookup_casstype_simple('IntegerType'), cassandra.cqltypes.IntegerType)

self.assertEqual(lookup_casstype_simple('MapType'), cassandra.cqltypes.MapType)

self.assertEqual(lookup_casstype_simple('ListType'), cassandra.cqltypes.ListType)

self.assertEqual(lookup_casstype_simple('SetType'), cassandra.cqltypes.SetType)

self.assertEqual(lookup_casstype_simple('CompositeType'), cassandra.cqltypes.CompositeType)

self.assertEqual(lookup_casstype_simple('ColumnToCollectionType'), cassandra.cqltypes.ColumnToCollectionType)

self.assertEqual(lookup_casstype_simple('ReversedType'), cassandra.cqltypes.ReversedType)

self.assertEqual(str(lookup_casstype_simple('unknown')), str(cassandra.cqltypes.mkUnrecognizedType('unknown')))

def test_lookup_casstype(self):

"""

Ensure lookup_casstype returns the correct classes

"""

self.assertEqual(lookup_casstype('AsciiType'), cassandra.cqltypes.AsciiType)

self.assertEqual(lookup_casstype('LongType'), cassandra.cqltypes.LongType)

self.assertEqual(lookup_casstype('BytesType'), cassandra.cqltypes.BytesType)

self.assertEqual(lookup_casstype('BooleanType'), cassandra.cqltypes.BooleanType)

self.assertEqual(lookup_casstype('CounterColumnType'), cassandra.cqltypes.CounterColumnType)

self.assertEqual(lookup_casstype('DateType'), cassandra.cqltypes.DateType)

self.assertEqual(lookup_casstype('DecimalType'), cassandra.cqltypes.DecimalType)

self.assertEqual(lookup_casstype('DoubleType'), cassandra.cqltypes.DoubleType)

self.assertEqual(lookup_casstype('FloatType'), cassandra.cqltypes.FloatType)

self.assertEqual(lookup_casstype('InetAddressType'), cassandra.cqltypes.InetAddressType)

self.assertEqual(lookup_casstype('Int32Type'), cassandra.cqltypes.Int32Type)

self.assertEqual(lookup_casstype('UTF8Type'), cassandra.cqltypes.UTF8Type)

self.assertEqual(lookup_casstype('DateType'), cassandra.cqltypes.DateType)

self.assertEqual(lookup_casstype('TimeType'), cassandra.cqltypes.TimeType)

self.assertEqual(lookup_casstype('ByteType'), cassandra.cqltypes.ByteType)

self.assertEqual(lookup_casstype('ShortType'), cassandra.cqltypes.ShortType)

self.assertEqual(lookup_casstype('TimeUUIDType'), cassandra.cqltypes.TimeUUIDType)

self.assertEqual(lookup_casstype('UUIDType'), cassandra.cqltypes.UUIDType)

self.assertEqual(lookup_casstype('IntegerType'), cassandra.cqltypes.IntegerType)

self.assertEqual(lookup_casstype('MapType'), cassandra.cqltypes.MapType)

self.assertEqual(lookup_casstype('ListType'), cassandra.cqltypes.ListType)

self.assertEqual(lookup_casstype('SetType'), cassandra.cqltypes.SetType)

self.assertEqual(lookup_casstype('CompositeType'), cassandra.cqltypes.CompositeType)

self.assertEqual(lookup_casstype('ColumnToCollectionType'), cassandra.cqltypes.ColumnToCollectionType)

self.assertEqual(lookup_casstype('ReversedType'), cassandra.cqltypes.ReversedType)

self.assertEqual(str(lookup_casstype('unknown')), str(cassandra.cqltypes.mkUnrecognizedType('unknown')))

self.assertRaises(ValueError, lookup_casstype, 'AsciiType~')

def test_casstype_parameterized(self):

self.assertEqual(LongType.cass_parameterized_type_with(()), 'LongType')

self.assertEqual(LongType.cass_parameterized_type_with((), full=True), 'org.apache.cassandra.db.marshal.LongType')

self.assertEqual(SetType.cass_parameterized_type_with([DecimalType], full=True), 'org.apache.cassandra.db.marshal.SetType(org.apache.cassandra.db.marshal.DecimalType)')

self.assertEqual(LongType.cql_parameterized_type(), 'bigint')

subtypes = (cassandra.cqltypes.UTF8Type, cassandra.cqltypes.UTF8Type)

self.assertEqual('map<text, text>',

cassandra.cqltypes.MapType.apply_parameters(subtypes).cql_parameterized_type())

def test_datetype_from_string(self):

# Ensure all formats can be parsed, without exception

for format in cassandra.cqltypes.cql_timestamp_formats:

date_string = str(datetime.datetime.now().strftime(format))

cassandra.cqltypes.DateType.interpret_datestring(date_string)

def test_cql_typename(self):

"""

Smoke test cql_typename

"""

self.assertEqual(cql_typename('DateType'), 'timestamp')

self.assertEqual(cql_typename('org.apache.cassandra.db.marshal.ListType(IntegerType)'), 'list<varint>')

def test_named_tuple_colname_substitution(self):

colnames = ("func(abc)", "[applied]", "func(func(abc))", "foo_bar", "foo_bar_")

rows = [(1, 2, 3, 4, 5)]

result = named_tuple_factory(colnames, rows)[0]

self.assertEqual(result[0], result.func_abc)

self.assertEqual(result[1], result.applied)

self.assertEqual(result[2], result.func_func_abc)

self.assertEqual(result[3], result.foo_bar)

self.assertEqual(result[4], result.foo_bar_)

def test_parse_casstype_args(self):

class FooType(CassandraType):

typename = 'org.apache.cassandra.db.marshal.FooType'

def __init__(self, subtypes, names):

self.subtypes = subtypes

self.names = names

@classmethod

def apply_parameters(cls, subtypes, names):

return cls(subtypes, [unhexlify(six.b(name)) if name is not None else name for name in names])

class BarType(FooType):

typename = 'org.apache.cassandra.db.marshal.BarType'

ctype = parse_casstype_args(''.join((

'org.apache.cassandra.db.marshal.FooType(',

'63697479:org.apache.cassandra.db.marshal.UTF8Type,',

'BarType(61646472657373:org.apache.cassandra.db.marshal.UTF8Type),',

'7a6970:org.apache.cassandra.db.marshal.UTF8Type',

')')))

self.assertEqual(FooType, ctype.__class__)

self.assertEqual(UTF8Type, ctype.subtypes[0])

# middle subtype should be a BarType instance with its own subtypes and names

self.assertIsInstance(ctype.subtypes[1], BarType)

self.assertEqual([UTF8Type], ctype.subtypes[1].subtypes)

self.assertEqual([b"address"], ctype.subtypes[1].names)

self.assertEqual(UTF8Type, ctype.subtypes[2])

self.assertEqual([b'city', None, b'zip'], ctype.names)

def test_empty_value(self):

self.assertEqual(str(EmptyValue()), 'EMPTY')

def test_datetype(self):

now_time_seconds = time.time()

now_datetime = datetime.datetime.utcfromtimestamp(now_time_seconds)

# Cassandra timestamps in millis

now_timestamp = now_time_seconds * 1e3

# same results serialized

self.assertEqual(DateType.serialize(now_datetime, 0), DateType.serialize(now_timestamp, 0))

# deserialize

# epoc

expected = 0

self.assertEqual(DateType.deserialize(int64_pack(1000 * expected), 0), datetime.datetime.utcfromtimestamp(expected))

# beyond 32b

expected = 2 ** 33

self.assertEqual(DateType.deserialize(int64_pack(1000 * expected), 0), datetime.datetime(2242, 3, 16, 12, 56, 32))

# less than epoc (PYTHON-119)

expected = -770172256

self.assertEqual(DateType.deserialize(int64_pack(1000 * expected), 0), datetime.datetime(1945, 8, 5, 23, 15, 44))

# work around rounding difference among Python versions (PYTHON-230)

expected = 1424817268.274

self.assertEqual(DateType.deserialize(int64_pack(int(1000 * expected)), 0), datetime.datetime(2015, 2, 24, 22, 34, 28, 274000))

def test_write_read_string(self):

with tempfile.TemporaryFile() as f:

value = u'test'

write_string(f, value)

f.seek(0)

self.assertEqual(read_string(f), value)

def test_write_read_longstring(self):

with tempfile.TemporaryFile() as f:

value = u'test'

write_longstring(f, value)

f.seek(0)

self.assertEqual(read_longstring(f), value)

def test_write_read_stringmap(self):

with tempfile.TemporaryFile() as f:

value = {'key': 'value'}

write_stringmap(f, value)

f.seek(0)

self.assertEqual(read_stringmap(f), value)

def test_write_read_inet(self):

with tempfile.TemporaryFile() as f:

value = ('192.168.1.1', 9042)

write_inet(f, value)

f.seek(0)

self.assertEqual(read_inet(f), value)

with tempfile.TemporaryFile() as f:

value = ('2001:db8:0:f101::1', 9042)

write_inet(f, value)

f.seek(0)

self.assertEqual(read_inet(f), value)

def test_cql_quote(self):

self.assertEqual(cql_quote(u'test'), "'test'")

self.assertEqual(cql_quote('test'), "'test'")

self.assertEqual(cql_quote(0), '0')