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test_util_types.py
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152 lines (124 loc) · 5.59 KB
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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_as_time(self):
expected_time = datetime.time(12, 1, 2, 3)
tt = Time(expected_time)
self.assertEqual(tt.time(), 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))