def test_checksum_calc(self):
nmea_str1 = 'GPGLL,3751.65,S,14507.36,E'
nmea_str2 = '$GPGLL,3751.65,S,14507.36,E'
nmea_str3 = 'GPGLL,3751.65,S,14507.36,E*77'
nmea_str4 = '$GPGLL,3751.65,S,14507.36,E*77'
nmea_str5 = '$GPGLL,3751.65,S,14507.36,E*'
nmea_str6 = 'GPGLL,3751.65,S,14507.36,E*'
nmea_str7 = '$GPHDT,227.66,T*02'
result1 = checksum_calc(nmea_str1)
result2 = checksum_calc(nmea_str2)
result3 = checksum_calc(nmea_str3)
result4 = checksum_calc(nmea_str4)
result5 = checksum_calc(nmea_str5)
result6 = checksum_calc(nmea_str6)
result7 = checksum_calc(nmea_str7)
self.assertEqual(result1, '77')
self.assertEqual(result2, '77')
self.assertEqual(result3, '77')
self.assertEqual(result4, '77')
self.assertEqual(result5, '77')
self.assertEqual(result6, '77')
self.assertEqual(result7, '02')
def test_checksum_calc(self):
nmea_str1 = 'GPGLL,3751.65,S,14507.36,E'
nmea_str2 = '$GPGLL,3751.65,S,14507.36,E'
nmea_str3 = 'GPGLL,3751.65,S,14507.36,E*77'
nmea_str4 = '$GPGLL,3751.65,S,14507.36,E*77'
nmea_str5 = '$GPGLL,3751.65,S,14507.36,E*'
nmea_str6 = 'GPGLL,3751.65,S,14507.36,E*'
nmea_str7 = '$GPHDT,227.66,T*02'
result1 = checksum_calc(nmea_str1)
result2 = checksum_calc(nmea_str2)
result3 = checksum_calc(nmea_str3)
result4 = checksum_calc(nmea_str4)
result5 = checksum_calc(nmea_str5)
result6 = checksum_calc(nmea_str6)
result7 = checksum_calc(nmea_str7)
self.assertEquals(result1, '77')
self.assertEquals(result2, '77')
self.assertEquals(result3, '77')
self.assertEquals(result4, '77')
self.assertEquals(result5, '77')
self.assertEquals(result6, '77')
self.assertEquals(result7, '02')
def check_chksum(self):
# If there is no checksum, raise AssertionError
assert hasattr(self, 'checksum')
result = checksum_calc(self.nmea_sentence)
return (result.upper() == self.checksum.upper())
def check_chksum(self):
# If there is no checksum, raise AssertionError
assert hasattr(self, 'checksum')
result = checksum_calc(self.nmea_sentence)
return (result.upper() == self.checksum.upper())