337 lines
10 KiB
Python
337 lines
10 KiB
Python
#tests the behavior of the column classes
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from datetime import datetime, timedelta
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from datetime import date
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from datetime import tzinfo
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from decimal import Decimal as D
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from unittest import TestCase
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from uuid import uuid4, uuid1
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from cqlengine import ValidationError
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from cqlengine.connection import execute
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from cqlengine.tests.base import BaseCassEngTestCase
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from cqlengine.columns import Column, TimeUUID
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from cqlengine.columns import Bytes
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from cqlengine.columns import Ascii
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from cqlengine.columns import Text
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from cqlengine.columns import Integer
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from cqlengine.columns import BigInt
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from cqlengine.columns import VarInt
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from cqlengine.columns import DateTime
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from cqlengine.columns import Date
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from cqlengine.columns import UUID
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from cqlengine.columns import Boolean
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from cqlengine.columns import Float
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from cqlengine.columns import Decimal
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from cqlengine.management import create_table, delete_table, sync_table, drop_table
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from cqlengine.models import Model
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import sys
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class TestDatetime(BaseCassEngTestCase):
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class DatetimeTest(Model):
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test_id = Integer(primary_key=True)
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created_at = DateTime()
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@classmethod
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def setUpClass(cls):
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super(TestDatetime, cls).setUpClass()
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create_table(cls.DatetimeTest)
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@classmethod
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def tearDownClass(cls):
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super(TestDatetime, cls).tearDownClass()
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delete_table(cls.DatetimeTest)
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def test_datetime_io(self):
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now = datetime.now()
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dt = self.DatetimeTest.objects.create(test_id=0, created_at=now)
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dt2 = self.DatetimeTest.objects(test_id=0).first()
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assert dt2.created_at.timetuple()[:6] == now.timetuple()[:6]
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def test_datetime_tzinfo_io(self):
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class TZ(tzinfo):
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def utcoffset(self, date_time):
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return timedelta(hours=-1)
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def dst(self, date_time):
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return None
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now = datetime(1982, 1, 1, tzinfo=TZ())
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dt = self.DatetimeTest.objects.create(test_id=0, created_at=now)
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dt2 = self.DatetimeTest.objects(test_id=0).first()
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assert dt2.created_at.timetuple()[:6] == (now + timedelta(hours=1)).timetuple()[:6]
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def test_datetime_date_support(self):
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today = date.today()
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self.DatetimeTest.objects.create(test_id=0, created_at=today)
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dt2 = self.DatetimeTest.objects(test_id=0).first()
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assert dt2.created_at.isoformat() == datetime(today.year, today.month, today.day).isoformat()
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def test_datetime_none(self):
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dt = self.DatetimeTest.objects.create(test_id=1, created_at=None)
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dt2 = self.DatetimeTest.objects(test_id=1).first()
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assert dt2.created_at is None
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dts = self.DatetimeTest.objects.filter(test_id=1).values_list('created_at')
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assert dts[0][0] is None
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class TestBoolDefault(BaseCassEngTestCase):
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class BoolDefaultValueTest(Model):
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test_id = Integer(primary_key=True)
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stuff = Boolean(default=True)
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@classmethod
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def setUpClass(cls):
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super(TestBoolDefault, cls).setUpClass()
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sync_table(cls.BoolDefaultValueTest)
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def test_default_is_set(self):
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tmp = self.BoolDefaultValueTest.create(test_id=1)
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self.assertEqual(True, tmp.stuff)
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tmp2 = self.BoolDefaultValueTest.get(test_id=1)
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self.assertEqual(True, tmp2.stuff)
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class TestVarInt(BaseCassEngTestCase):
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class VarIntTest(Model):
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test_id = Integer(primary_key=True)
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bignum = VarInt(primary_key=True)
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@classmethod
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def setUpClass(cls):
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super(TestVarInt, cls).setUpClass()
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sync_table(cls.VarIntTest)
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@classmethod
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def tearDownClass(cls):
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super(TestVarInt, cls).tearDownClass()
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sync_table(cls.VarIntTest)
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def test_varint_io(self):
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long_int = sys.maxint + 1
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int1 = self.VarIntTest.objects.create(test_id=0, bignum=long_int)
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int2 = self.VarIntTest.objects(test_id=0).first()
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assert int1.bignum == int2.bignum
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class TestDate(BaseCassEngTestCase):
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class DateTest(Model):
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test_id = Integer(primary_key=True)
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created_at = Date()
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@classmethod
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def setUpClass(cls):
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super(TestDate, cls).setUpClass()
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create_table(cls.DateTest)
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@classmethod
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def tearDownClass(cls):
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super(TestDate, cls).tearDownClass()
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delete_table(cls.DateTest)
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def test_date_io(self):
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today = date.today()
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self.DateTest.objects.create(test_id=0, created_at=today)
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dt2 = self.DateTest.objects(test_id=0).first()
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assert dt2.created_at.isoformat() == today.isoformat()
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def test_date_io_using_datetime(self):
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now = datetime.utcnow()
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self.DateTest.objects.create(test_id=0, created_at=now)
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dt2 = self.DateTest.objects(test_id=0).first()
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assert not isinstance(dt2.created_at, datetime)
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assert isinstance(dt2.created_at, date)
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assert dt2.created_at.isoformat() == now.date().isoformat()
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def test_date_none(self):
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self.DateTest.objects.create(test_id=1, created_at=None)
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dt2 = self.DateTest.objects(test_id=1).first()
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assert dt2.created_at is None
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dts = self.DateTest.objects(test_id=1).values_list('created_at')
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assert dts[0][0] is None
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class TestDecimal(BaseCassEngTestCase):
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class DecimalTest(Model):
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test_id = Integer(primary_key=True)
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dec_val = Decimal()
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@classmethod
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def setUpClass(cls):
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super(TestDecimal, cls).setUpClass()
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create_table(cls.DecimalTest)
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@classmethod
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def tearDownClass(cls):
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super(TestDecimal, cls).tearDownClass()
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delete_table(cls.DecimalTest)
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def test_decimal_io(self):
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dt = self.DecimalTest.objects.create(test_id=0, dec_val=D('0.00'))
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dt2 = self.DecimalTest.objects(test_id=0).first()
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assert dt2.dec_val == dt.dec_val
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dt = self.DecimalTest.objects.create(test_id=0, dec_val=5)
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dt2 = self.DecimalTest.objects(test_id=0).first()
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assert dt2.dec_val == D('5')
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class TestUUID(BaseCassEngTestCase):
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class UUIDTest(Model):
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test_id = Integer(primary_key=True)
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a_uuid = UUID(default=uuid4())
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@classmethod
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def setUpClass(cls):
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super(TestUUID, cls).setUpClass()
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create_table(cls.UUIDTest)
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@classmethod
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def tearDownClass(cls):
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super(TestUUID, cls).tearDownClass()
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delete_table(cls.UUIDTest)
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def test_uuid_str_with_dashes(self):
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a_uuid = uuid4()
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t0 = self.UUIDTest.create(test_id=0, a_uuid=str(a_uuid))
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t1 = self.UUIDTest.get(test_id=0)
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assert a_uuid == t1.a_uuid
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def test_uuid_str_no_dashes(self):
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a_uuid = uuid4()
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t0 = self.UUIDTest.create(test_id=1, a_uuid=a_uuid.hex)
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t1 = self.UUIDTest.get(test_id=1)
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assert a_uuid == t1.a_uuid
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class TestTimeUUID(BaseCassEngTestCase):
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class TimeUUIDTest(Model):
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test_id = Integer(primary_key=True)
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timeuuid = TimeUUID(default=uuid1())
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@classmethod
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def setUpClass(cls):
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super(TestTimeUUID, cls).setUpClass()
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create_table(cls.TimeUUIDTest)
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@classmethod
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def tearDownClass(cls):
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super(TestTimeUUID, cls).tearDownClass()
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delete_table(cls.TimeUUIDTest)
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def test_timeuuid_io(self):
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"""
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ensures that
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:return:
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"""
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t0 = self.TimeUUIDTest.create(test_id=0)
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t1 = self.TimeUUIDTest.get(test_id=0)
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assert t1.timeuuid.time == t1.timeuuid.time
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class TestInteger(BaseCassEngTestCase):
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class IntegerTest(Model):
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test_id = UUID(primary_key=True, default=lambda:uuid4())
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value = Integer(default=0, required=True)
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def test_default_zero_fields_validate(self):
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""" Tests that integer columns with a default value of 0 validate """
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it = self.IntegerTest()
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it.validate()
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class TestBigInt(BaseCassEngTestCase):
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class BigIntTest(Model):
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test_id = UUID(primary_key=True, default=lambda:uuid4())
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value = BigInt(default=0, required=True)
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def test_default_zero_fields_validate(self):
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""" Tests that bigint columns with a default value of 0 validate """
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it = self.BigIntTest()
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it.validate()
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class TestText(BaseCassEngTestCase):
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def test_min_length(self):
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#min len defaults to 1
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col = Text()
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col.validate('')
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col.validate('b')
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#test not required defaults to 0
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Text(required=False).validate('')
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#test arbitrary lengths
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Text(min_length=0).validate('')
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Text(min_length=5).validate('blake')
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Text(min_length=5).validate('blaketastic')
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with self.assertRaises(ValidationError):
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Text(min_length=6).validate('blake')
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def test_max_length(self):
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Text(max_length=5).validate('blake')
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with self.assertRaises(ValidationError):
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Text(max_length=5).validate('blaketastic')
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def test_type_checking(self):
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Text().validate('string')
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Text().validate(u'unicode')
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Text().validate(bytearray('bytearray'))
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with self.assertRaises(ValidationError):
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Text(required=True).validate(None)
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with self.assertRaises(ValidationError):
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Text().validate(5)
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with self.assertRaises(ValidationError):
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Text().validate(True)
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def test_non_required_validation(self):
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""" Tests that validation is ok on none and blank values if required is False """
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Text().validate('')
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Text().validate(None)
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class TestExtraFieldsRaiseException(BaseCassEngTestCase):
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class TestModel(Model):
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id = UUID(primary_key=True, default=uuid4)
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def test_extra_field(self):
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with self.assertRaises(ValidationError):
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self.TestModel.create(bacon=5000)
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class TestPythonDoesntDieWhenExtraFieldIsInCassandra(BaseCassEngTestCase):
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class TestModel(Model):
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__table_name__ = 'alter_doesnt_break_running_app'
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id = UUID(primary_key=True, default=uuid4)
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def test_extra_field(self):
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drop_table(self.TestModel)
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sync_table(self.TestModel)
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self.TestModel.create()
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execute("ALTER TABLE {} add blah int".format(self.TestModel.column_family_name(include_keyspace=True)))
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self.TestModel.objects().all()
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class TestTimeUUIDFromDatetime(TestCase):
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def test_conversion_specific_date(self):
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dt = datetime(1981, 7, 11, microsecond=555000)
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uuid = TimeUUID.from_datetime(dt)
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from uuid import UUID
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assert isinstance(uuid, UUID)
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ts = (uuid.time - 0x01b21dd213814000) / 1e7 # back to a timestamp
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new_dt = datetime.utcfromtimestamp(ts)
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# checks that we created a UUID1 with the proper timestamp
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assert new_dt == dt
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