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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, Diego Elio Pettenò'
__license__ = 'MIT'
import os
import sys
import unittest
import mock
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from glucometerutils.drivers import lifescan_common
from glucometerutils.drivers import otultra2
from glucometerutils import exceptions
class TestOTUltra2(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 = otultra2.Device('mockdevice')
def _set_return_string(self, string):
self.mock_readline.return_value = bytes(string, 'ascii')
def test_checksum(self):
checksum = otultra2._calculate_checksum(bytes('T', 'ascii'))
self.assertEqual(0x0054, checksum)
checksum = otultra2._calculate_checksum(
bytes('T "SAT","08/03/13","22:12:00 "', 'ascii'))
self.assertEqual(0x0608, checksum)
def test_missing_checksum(self):
self._set_return_string('INVALID')
self.assertRaises(lifescan_common.MissingChecksum,
self.device.get_serial_number)
def test_short_response(self):
self._set_return_string('.\r')
self.assertRaises(exceptions.InvalidResponse,
self.device.get_serial_number)
def test_invalid_response(self):
self._set_return_string('% 2500\r')
self.assertRaises(exceptions.InvalidResponse,
self.device.get_serial_number)
def test_invalid_serial_number(self):
self._set_return_string('@ "12345678O" 0297\r')
self.assertRaises(lifescan_common.InvalidSerialNumber,
self.device.get_serial_number)
def test_invalid_checksum(self):
self._set_return_string('% 1337\r')
self.assertRaises(exceptions.InvalidChecksum,
self.device.get_serial_number)
def test_broken_checksum(self):
self._set_return_string('% 13AZ\r')
self.assertRaises(lifescan_common.MissingChecksum,
self.device.get_serial_number)
if __name__ == '__main__':
unittest.main()
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