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# -*- coding: utf-8 -*-
"""Tests for the LifeScan OneTouch Ultra 2 driver."""
__author__ = 'Diego Elio Pettenò'
__email__ = 'flameeyes@flameeyes.eu'
__copyright__ = 'Copyright © 2013-2018, Diego Elio Pettenò'
__license__ = 'MIT'
import os
import sys
import unittest
from unittest import mock
from absl.testing import parameterized
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from glucometerutils.drivers import otultra2
from glucometerutils.support import lifescan
from glucometerutils import exceptions
class TestOTUltra2(parameterized.TestCase):
def test_checksum(self):
# pylint: disable=protected-access
checksum = otultra2._calculate_checksum(b'T')
self.assertEqual(0x0054, checksum)
def test_checksum_full(self):
# pylint: disable=protected-access
checksum = otultra2._calculate_checksum(
b'T "SAT","08/03/13","22:12:00 "')
self.assertEqual(0x0608, checksum)
@parameterized.named_parameters(
('_missing_checksum', b'INVALID', lifescan.MissingChecksum),
('_short', b'.\r', exceptions.InvalidResponse),
('_generic', b'% 2500\r', exceptions.InvalidResponse),
('_invalid_serial_number', b'@ "12345678O" 0297\r',
lifescan.InvalidSerialNumber),
('_invalid_checksum', b'% 1337\r', exceptions.InvalidChecksum),
('_broken_checksum', b'% 13AZ\r', lifescan.MissingChecksum),
)
def test_invalid_response(self, returned_string, expected_exception):
with mock.patch('serial.Serial') as mock_serial:
mock_serial.return_value.readline.return_value = returned_string
device = otultra2.Device('mockdevice')
with self.assertRaises(expected_exception):
device.get_serial_number()
if __name__ == '__main__':
unittest.main()
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