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# -*- coding: utf-8 -*-
"""Tests for the LifeScan OneTouch Ultra Mini driver."""
__author__ = 'Diego Elio Pettenò'
__email__ = 'flameeyes@flameeyes.eu'
__copyright__ = 'Copyright © 2013-2017, Diego Elio Pettenò'
__license__ = 'MIT'
import array
import os
import sys
import unittest
from unittest import mock
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from glucometerutils.drivers import otultraeasy
from glucometerutils.support import lifescan
from glucometerutils import exceptions
class TestOTUltraMini(unittest.TestCase):
def setUp(self):
self.addCleanup(mock.patch.stopall)
mock_serial = mock.patch('serial.Serial').start()
self.mock_readline = mock_serial.return_value.readline
self.device = otultraeasy.Device('mockdevice')
def test_crc(self):
self.assertEqual(
0x41cd,
lifescan.crc_ccitt(b'\x02\x06\x06\x03'))
def test_crc_array(self):
cmd_array = array.array('B', b'\x02\x06\x08\x03')
self.assertEqual(
0x62C2,
lifescan.crc_ccitt(cmd_array))
def test_packet_update_checksum(self):
packet = otultraeasy._Packet()
packet.build_command('')
packet.disconnect = True
packet.update_checksum()
self.assertEqual(
b'\x02\x06\x08\x03\xC2\x62',
packet.tobytes())
packet.validate_checksum()
packet.disconnect = False
with self.assertRaises(exceptions.InvalidChecksum):
packet.validate_checksum()
if __name__ == '__main__':
unittest.main()
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