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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the FAT date time implementation."""
from __future__ import unicode_literals
import decimal
import unittest
from dfdatetime import fat_date_time
class FATDateTimeEpochTest(unittest.TestCase):
"""Tests for the FAT date time epoch."""
def testInitialize(self):
"""Tests the __init__ function."""
fat_date_time_epoch = fat_date_time.FATDateTimeEpoch()
self.assertIsNotNone(fat_date_time_epoch)
class FATDateTime(unittest.TestCase):
"""Tests for the FAT date time."""
# pylint: disable=protected-access
def testGetNormalizedTimestamp(self):
"""Tests the _GetNormalizedTimestamp function."""
fat_date_time_object = fat_date_time.FATDateTime(fat_date_time=0xa8d03d0c)
normalized_timestamp = fat_date_time_object._GetNormalizedTimestamp()
self.assertEqual(normalized_timestamp, decimal.Decimal('1281647192.0'))
fat_date_time_object = fat_date_time.FATDateTime()
normalized_timestamp = fat_date_time_object._GetNormalizedTimestamp()
self.assertIsNone(normalized_timestamp)
def testCopyFromDateTimeString(self):
"""Tests the CopyFromDateTimeString function."""
fat_date_time_object = fat_date_time.FATDateTime()
expected_number_of_seconds = 966038400
fat_date_time_object.CopyFromDateTimeString('2010-08-12')
self.assertEqual(
fat_date_time_object._number_of_seconds, expected_number_of_seconds)
expected_number_of_seconds = 966114391
fat_date_time_object.CopyFromDateTimeString('2010-08-12 21:06:31')
self.assertEqual(
fat_date_time_object._number_of_seconds, expected_number_of_seconds)
expected_number_of_seconds = 966114391
fat_date_time_object.CopyFromDateTimeString('2010-08-12 21:06:31.546875')
self.assertEqual(
fat_date_time_object._number_of_seconds, expected_number_of_seconds)
expected_number_of_seconds = 966117991
fat_date_time_object.CopyFromDateTimeString(
'2010-08-12 21:06:31.546875-01:00')
self.assertEqual(
fat_date_time_object._number_of_seconds, expected_number_of_seconds)
expected_number_of_seconds = 966110791
fat_date_time_object.CopyFromDateTimeString(
'2010-08-12 21:06:31.546875+01:00')
self.assertEqual(
fat_date_time_object._number_of_seconds, expected_number_of_seconds)
expected_number_of_seconds = 86400
fat_date_time_object.CopyFromDateTimeString('1980-01-02 00:00:00')
self.assertEqual(
fat_date_time_object._number_of_seconds, expected_number_of_seconds)
with self.assertRaises(ValueError):
fat_date_time_object.CopyFromDateTimeString('2200-01-02 00:00:00')
def testGetNumberOfSeconds(self):
"""Tests the _GetNumberOfSeconds function."""
fat_date_time_object = fat_date_time.FATDateTime()
fat_date_time_object._GetNumberOfSeconds(0xa8d03d0c)
# Invalid number of seconds.
test_fat_date_time = (0xa8d03d0c & ~(0x1f << 16)) | ((30 & 0x1f) << 16)
with self.assertRaises(ValueError):
fat_date_time_object._GetNumberOfSeconds(test_fat_date_time)
# Invalid number of minutes.
test_fat_date_time = (0xa8d03d0c & ~(0x3f << 21)) | ((60 & 0x3f) << 21)
with self.assertRaises(ValueError):
fat_date_time_object._GetNumberOfSeconds(test_fat_date_time)
# Invalid number of hours.
test_fat_date_time = (0xa8d03d0c & ~(0x1f << 27)) | ((24 & 0x1f) << 27)
with self.assertRaises(ValueError):
fat_date_time_object._GetNumberOfSeconds(test_fat_date_time)
# Invalid day of month.
test_fat_date_time = (0xa8d03d0c & ~0x1f) | (32 & 0x1f)
with self.assertRaises(ValueError):
fat_date_time_object._GetNumberOfSeconds(test_fat_date_time)
# Invalid month.
test_fat_date_time = (0xa8d03d0c & ~(0x0f << 5)) | ((13 & 0x0f) << 5)
with self.assertRaises(ValueError):
fat_date_time_object._GetNumberOfSeconds(test_fat_date_time)
def testCopyToDateTimeString(self):
"""Tests the CopyToDateTimeString function."""
fat_date_time_object = fat_date_time.FATDateTime(fat_date_time=0xa8d03d0c)
date_time_string = fat_date_time_object.CopyToDateTimeString()
self.assertEqual(date_time_string, '2010-08-12 21:06:32')
fat_date_time_object = fat_date_time.FATDateTime()
date_time_string = fat_date_time_object.CopyToDateTimeString()
self.assertIsNone(date_time_string)
def testCopyToDateTimeStringISO8601(self):
"""Tests the CopyToDateTimeStringISO8601 function."""
fat_date_time_object = fat_date_time.FATDateTime(fat_date_time=0xa8d03d0c)
date_time_string = fat_date_time_object.CopyToDateTimeStringISO8601()
self.assertEqual(date_time_string, '2010-08-12T21:06:32Z')
def testGetDate(self):
"""Tests the GetDate function."""
fat_date_time_object = fat_date_time.FATDateTime(fat_date_time=0xa8d03d0c)
date_tuple = fat_date_time_object.GetDate()
self.assertEqual(date_tuple, (2010, 8, 12))
fat_date_time_object = fat_date_time.FATDateTime()
date_tuple = fat_date_time_object.GetDate()
self.assertEqual(date_tuple, (None, None, None))
def testGetTimeOfDay(self):
"""Tests the GetTimeOfDay function."""
fat_date_time_object = fat_date_time.FATDateTime(fat_date_time=0xa8d03d0c)
time_of_day_tuple = fat_date_time_object.GetTimeOfDay()
self.assertEqual(time_of_day_tuple, (21, 6, 32))
fat_date_time_object = fat_date_time.FATDateTime()
time_of_day_tuple = fat_date_time_object.GetTimeOfDay()
self.assertEqual(time_of_day_tuple, (None, None, None))
if __name__ == '__main__':
unittest.main()
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