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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the date and time values factory."""
import unittest
from dfdatetime import interface
from dfdatetime import factory
class TestDateTimeValues(interface.DateTimeValues):
"""Date and time values for testing."""
# pylint: disable=redundant-returns-doc
def _GetNormalizedTimestamp(self):
"""Retrieves the normalized timestamp.
Returns:
decimal.Decimal: normalized timestamp, which contains the number of
seconds since January 1, 1970 00:00:00 and a fraction of second used
for increased precision, or None if the normalized timestamp cannot be
determined.
"""
return None
def CopyFromDateTimeString(self, time_string):
"""Copies a date time value from a date and time string.
Args:
time_string (str): date and time value formatted as:
YYYY-MM-DD hh:mm:ss.######[+-]##:##
Where # are numeric digits ranging from 0 to 9 and the seconds
fraction can be either 3 or 6 digits. The time of day, seconds
fraction and time zone offset are optional. The default time zone
is UTC.
Raises:
ValueError: if the time string is invalid or not supported.
"""
return
def CopyToDateTimeString(self):
"""Copies the date time value to a date and time string.
Returns:
str: date and time value formatted as: "YYYY-MM-DD hh:mm:ss.######" or
None if the timestamp cannot be copied to a date and time string.
"""
return None
class FactoryTest(unittest.TestCase):
"""Tests the date and time values factory."""
def testDateTimeValuesRegistration(self):
"""Tests the Register and DeregisterDateTimeValues functions."""
# pylint: disable=protected-access
number_of_date_time_values_types = len(
factory.Factory._date_time_values_types)
factory.Factory.RegisterDateTimeValues(TestDateTimeValues)
self.assertEqual(
len(factory.Factory._date_time_values_types),
number_of_date_time_values_types + 1)
with self.assertRaises(KeyError):
factory.Factory.RegisterDateTimeValues(TestDateTimeValues)
factory.Factory.DeregisterDateTimeValues(TestDateTimeValues)
self.assertEqual(
len(factory.Factory._date_time_values_types),
number_of_date_time_values_types)
def testNewDateTimeValues(self):
"""Tests the NewDateTimeValues function."""
test_date_time_values = factory.Factory.NewDateTimeValues(
'Filetime', timestamp=0x01cb3a623d0a17ce)
self.assertIsNotNone(test_date_time_values)
if __name__ == '__main__':
unittest.main()
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