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_invalid_value(self):
with self.assertRaises(AssertionError):
construct_extras.Timestamp(construct.Int32ul).build('foo')
def test_build_varint(self):
self.assertEqual(
construct_extras.Timestamp(construct.VarInt).build(_TEST_DATE3),
b'\x00')
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_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(self):
self.assertEqual(
construct_extras.Timestamp(construct.Int32ul,
epoch=_NEW_EPOCH).build(_TEST_DATE2),
b'\x00\x00\x00\x00')
def test_parse_unix_epoch(self):
self.assertEqual(
construct_extras.Timestamp(
construct.Int32ul).parse(b'\x803\xe1\x01'), _TEST_DATE2)
def test_build_unix_epoch(self):
self.assertEqual(
construct_extras.Timestamp(construct.Int32ul).build(_TEST_DATE1),
b'\x80\x51\x01\x00')
command_prefix_construct = construct.Const(command_prefix, construct.Byte)
return construct.Struct(
'data' / construct.RawCopy(
construct.Struct(
construct.Const(b'\x02'), # stx
'length' / construct.Rebuild(
construct.Byte, lambda this: len(this.message) + 7),
'link_control' / link_control_construct,
'command_prefix' / command_prefix_construct,
'message' / construct.Bytes(lambda this: this.length - 7),
construct.Const(b'\x03'), # etx
), ),
'checksum' / construct.Checksum(construct.Int16ul, lifescan.crc_ccitt,
construct.this.data.data),
)
COMMAND_SUCCESS = construct.Const(b'\x06')
VERIO_TIMESTAMP = construct_extras.Timestamp(
construct.Int32ul, epoch=946684800) # 2000-01-01 (not 2010)
_GLUCOSE_UNIT_MAPPING_TABLE = {
common.Unit.MG_DL: 0x00,
common.Unit.MMOL_L: 0x01,
}
GLUCOSE_UNIT = construct.Mapping(construct.Byte, _GLUCOSE_UNIT_MAPPING_TABLE)
'version' / construct.PascalString(construct.Byte, encoding='ascii'),
)
_SERIAL_NUMBER_REQUEST = construct.Const(
b'\x05\x0B\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00')
_SERIAL_NUMBER_RESPONSE = construct.Struct(
_COMMAND_SUCCESS,
'serial_number' / construct.GreedyString(encoding='ascii'),
)
_DATETIME_REQUEST = construct.Struct(
construct.Const(b'\x05\x20'), # 0x20 is the datetime
'request_type' / construct.Enum(construct.Byte, write=0x01, read=0x02),
'timestamp' / construct.Default(
construct_extras.Timestamp(construct.Int32ul), # type: ignore
datetime.datetime(1970, 1, 1, 0, 0)),
)
_DATETIME_RESPONSE = construct.Struct(
_COMMAND_SUCCESS,
'timestamp' /
construct_extras.Timestamp(construct.Int32ul), # type: ignore
)
_GLUCOSE_UNIT_REQUEST = construct.Const(b'\x05\x09\x02\x09\x00\x00\x00\x00')
_GLUCOSE_UNIT_RESPONSE = construct.Struct(
_COMMAND_SUCCESS,
'unit' / lifescan_binary_protocol.GLUCOSE_UNIT,
construct.Padding(3),
'version' / construct.PascalString(construct.Byte, encoding='ascii'),
)
_SERIAL_NUMBER_REQUEST = construct.Const(
b'\x05\x0B\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00')
_SERIAL_NUMBER_RESPONSE = construct.Struct(
_COMMAND_SUCCESS,
'serial_number' / construct.GreedyString(encoding='ascii'),
)
_DATETIME_REQUEST = construct.Struct(
construct.Const(b'\x05\x20'), # 0x20 is the datetime
'request_type' / construct.Enum(construct.Byte, write=0x01, read=0x02),
'timestamp' /
construct.Default(construct_extras.Timestamp(construct.Int32ul),
datetime.datetime(1970, 1, 1, 0, 0)),
)
_DATETIME_RESPONSE = construct.Struct(
_COMMAND_SUCCESS,
'timestamp' / construct_extras.Timestamp(construct.Int32ul),
)
_GLUCOSE_UNIT_REQUEST = construct.Const(b'\x05\x09\x02\x09\x00\x00\x00\x00')
_GLUCOSE_UNIT_RESPONSE = construct.Struct(
_COMMAND_SUCCESS,
'unit' / lifescan_binary_protocol.GLUCOSE_UNIT,
construct.Padding(3),
)