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# -*- coding: utf-8 -*-
"""Tests for the common routines."""
__author__ = 'Diego Elio Pettenò'
__email__ = 'flameeyes@flameeyes.eu'
__copyright__ = 'Copyright © 2018, Diego Elio Pettenò'
__license__ = 'MIT'
import datetime
import os
import sys
import unittest
import construct
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from glucometerutils.support import construct_extras
_TEST_DATE1 = datetime.datetime(1970, 1, 2, 0, 0)
_TEST_DATE2 = datetime.datetime(1971, 1, 1, 0, 0)
_TEST_DATE3 = datetime.datetime(1970, 1, 1, 0, 0)
_NEW_EPOCH = 31536000 # datetime.datetime(1971, 1, 1, 0, 0)
class TestTimestamp(unittest.TestCase):
def test_build_unix_epoch(self):
self.assertEqual(
construct_extras.Timestamp(construct.Int32ul).build(_TEST_DATE1),
b'\x80\x51\x01\x00')
def test_parse_unix_epoch(self):
self.assertEqual(
construct_extras.Timestamp(construct.Int32ul).parse(
b'\x803\xe1\x01'),
_TEST_DATE2)
def test_build_custom_epoch(self):
self.assertEqual(
construct_extras.Timestamp(
construct.Int32ul, epoch=_NEW_EPOCH).build(_TEST_DATE2),
b'\x00\x00\x00\x00')
def test_parse_custom_epoch(self):
self.assertEqual(
construct_extras.Timestamp(
construct.Int32ul, epoch=_NEW_EPOCH).parse(
b'\x00\x00\x00\x00'),
_TEST_DATE2)
def test_build_custom_epoch_negative_failure(self):
with self.assertRaises(construct.core.FieldError):
construct_extras.Timestamp(
construct.Int32ul, epoch=_NEW_EPOCH).build(_TEST_DATE1)
def test_build_custom_epoch_negative_success(self):
self.assertEqual(
construct_extras.Timestamp(
construct.Int32sl, epoch=_NEW_EPOCH).build(_TEST_DATE1),
b'\x00\x1e\x20\xfe')
def test_build_varint(self):
self.assertEqual(
construct_extras.Timestamp(construct.VarInt).build(_TEST_DATE3),
b'\x00')
def test_invalid_value(self):
with self.assertRaises(AssertionError):
construct_extras.Timestamp(construct.Int32ul).build('foo')
if __name__ == '__main__':
unittest.main()
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