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# -*- coding: utf-8 -*-
#
# SPDX-License-Identifier: MIT
"""Tests for the common routines."""
# pylint: disable=protected-access,missing-docstring
import datetime
import construct
from absl.testing import absltest
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(absltest.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.FormatFieldError):
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")
|
