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 python-310

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test_util_types.py

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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

import datetime

from cassandra.util import Date, Time

class DateTests(unittest.TestCase):

def test_from_datetime(self):

expected_date = datetime.date(1492, 10, 12)

d = Date(expected_date)

self.assertEqual(str(d), str(expected_date))

def test_from_string(self):

expected_date = datetime.date(1492, 10, 12)

d = Date(expected_date)

sd = Date('1492-10-12')

self.assertEqual(sd, d)

sd = Date('+1492-10-12')

self.assertEqual(sd, d)

def test_from_date(self):

expected_date = datetime.date(1492, 10, 12)

d = Date(expected_date)

self.assertEqual(d.date(), expected_date)

def test_from_days(self):

sd = Date(0)

self.assertEqual(sd, Date(datetime.date(1970, 1, 1)))

sd = Date(-1)

self.assertEqual(sd, Date(datetime.date(1969, 12, 31)))

sd = Date(1)

self.assertEqual(sd, Date(datetime.date(1970, 1, 2)))

def test_limits(self):

min_builtin = Date(datetime.date(1, 1, 1))

max_builtin = Date(datetime.date(9999, 12, 31))

self.assertEqual(Date(min_builtin.days_from_epoch), min_builtin)

self.assertEqual(Date(max_builtin.days_from_epoch), max_builtin)

# just proving we can construct with on offset outside buildin range

self.assertEqual(Date(min_builtin.days_from_epoch - 1).days_from_epoch,

min_builtin.days_from_epoch - 1)

self.assertEqual(Date(max_builtin.days_from_epoch + 1).days_from_epoch,

max_builtin.days_from_epoch + 1)

def test_invalid_init(self):

self.assertRaises(ValueError, Date, '-1999-10-10')

self.assertRaises(TypeError, Date, 1.234)

def test_str(self):

date_str = '2015-03-16'

self.assertEqual(str(Date(date_str)), date_str)

def test_out_of_range(self):

self.assertEqual(str(Date(2932897)), '2932897')

self.assertEqual(repr(Date(1)), 'Date(1)')

def test_equals(self):

self.assertEqual(Date(1234), 1234)

self.assertEqual(Date(1), datetime.date(1970, 1, 2))

self.assertFalse(Date(2932897) == datetime.date(9999, 12, 31)) # date can't represent year > 9999

self.assertEqual(Date(2932897), 2932897)

class TimeTests(unittest.TestCase):

def test_units_from_string(self):

one_micro = 1000

one_milli = 1000 * one_micro

one_second = 1000 * one_milli

one_minute = 60 * one_second

one_hour = 60 * one_minute

tt = Time('00:00:00.000000001')

self.assertEqual(tt.nanosecond_time, 1)

tt = Time('00:00:00.000001')

self.assertEqual(tt.nanosecond_time, one_micro)

tt = Time('00:00:00.001')

self.assertEqual(tt.nanosecond_time, one_milli)

tt = Time('00:00:01')

self.assertEqual(tt.nanosecond_time, one_second)

tt = Time('00:01:00')

self.assertEqual(tt.nanosecond_time, one_minute)

tt = Time('01:00:00')

self.assertEqual(tt.nanosecond_time, one_hour)

tt = Time('01:00:00.')

self.assertEqual(tt.nanosecond_time, one_hour)

tt = Time('23:59:59.123456')

self.assertEqual(tt.nanosecond_time, 23 * one_hour + 59 * one_minute + 59 * one_second + 123 * one_milli + 456 * one_micro)

tt = Time('23:59:59.1234567')

self.assertEqual(tt.nanosecond_time, 23 * one_hour + 59 * one_minute + 59 * one_second + 123 * one_milli + 456 * one_micro + 700)

tt = Time('23:59:59.12345678')

self.assertEqual(tt.nanosecond_time, 23 * one_hour + 59 * one_minute + 59 * one_second + 123 * one_milli + 456 * one_micro + 780)

tt = Time('23:59:59.123456789')

self.assertEqual(tt.nanosecond_time, 23 * one_hour + 59 * one_minute + 59 * one_second + 123 * one_milli + 456 * one_micro + 789)

def test_micro_precision(self):

Time('23:59:59.1')

Time('23:59:59.12')

Time('23:59:59.123')

Time('23:59:59.1234')

Time('23:59:59.12345')

def test_from_int(self):

tt = Time(12345678)

self.assertEqual(tt.nanosecond_time, 12345678)

def test_from_time(self):

expected_time = datetime.time(12, 1, 2, 3)

tt = Time(expected_time)

self.assertEqual(tt, expected_time)

def test_equals(self):

# util.Time self equality

self.assertEqual(Time(1234), Time(1234))

def test_str_repr(self):

time_str = '12:13:14.123456789'

self.assertEqual(str(Time(time_str)), time_str)

self.assertEqual(repr(Time(1)), 'Time(1)')

def test_invalid_init(self):

self.assertRaises(ValueError, Time, '1999-10-10 11:11:11.1234')

self.assertRaises(TypeError, Time, 1.234)

self.assertRaises(ValueError, Time, 123456789000000)

self.assertRaises(TypeError, Time, datetime.datetime(2004, 12, 23, 11, 11, 1))