def test_to_representation(self):
dl = messages.DataLine(data_sets=[
messages.DataSet(address="3:14", value="314", unit="kWh"),
messages.DataSet(address="4:15", value="415", unit="kWh"),
])
rep = dl.to_representation()
assert rep == "3:14(314*kWh)4:15(415*kWh)"
def test_to_representation_single_line(self):
db = messages.DataBlock(data_lines=[
messages.DataLine(data_sets=[
messages.DataSet(address="3:14", value="314", unit="kWh"),
messages.DataSet(address="4:15", value="415", unit="kWh"),
])
])
assert db.to_representation() == "3:14(314*kWh)4:15(415*kWh)\r\n"
def test_to_representation(self):
rdm = messages.ReadoutDataMessage(data_block=messages.DataBlock(
data_lines=[
messages.DataLine(data_sets=[
messages.DataSet(address="3:14", value="314", unit="kWh"),
messages.DataSet(address="4:15", value="415", unit="kWh"),
])
]))
assert rdm.to_representation(
) == '\x023:14(314*kWh)4:15(415*kWh)\r\n!\r\n\x03"'
def test_to_representation(self):
db = messages.DataBlock(data_lines=[
messages.DataLine(data_sets=[
messages.DataSet(address="3:14", value="314", unit="kWh"),
messages.DataSet(address="4:15", value="415", unit="kWh"),
])
])
am = messages.AnswerDataMessage(data_block=db)
assert am.to_representation(
) == "\x023:14(314*kWh)4:15(415*kWh)\r\n\x03\x04"
def test_invalid_command_type_raises_value_error(self):
with pytest.raises(ValueError):
cm = messages.CommandMessage(
command="R",
command_type="12",
data_set=messages.DataSet(address="1.8.0", value="1"),
)
def test_command_message_to_representation(self):
cm = messages.CommandMessage(
command="R",
command_type="1",
data_set=messages.DataSet(address="1.8.0", value="1"),
)
assert cm.to_representation() == "\x01R1\x021.8.0(1)\x03k"
def send_password(self, password=None):
"""
On receiving the password challenge request one must handle the password
challenge according to device specification and then send the password.
:param password:
"""
_pw = password or self.password
data_set = messages.DataSet(value=_pw)
cmd = messages.CommandMessage(command="P", command_type="1", data_set=data_set)
logger.info("Sending password to meter")
self.transport.send(cmd.to_bytes())
def _send_profile_request(self, start_date: date, end_date: date):
"""
Send profile request between dates
"""
# Set format for Luna
if self.manufacturer_id == "LUN":
start_date_ = f"{start_date.year % 100}{start_date.month:02d}{start_date.day:02d}"
end_date_ = f"{end_date.year % 100}{end_date.month:02d}{end_date.day:02d}"
elif self.manufacturer_id == "MSY": # Set format for makel
start_date_ = f"{start_date.year % 100}{start_date.month:02d}{start_date.day:02d}0000"
end_date_ = f"{end_date.year % 100}{end_date.month:02d}{end_date.day:02d}0000"
command = "R"
command_type = "5" if self.manufacturer_id == "LUN" else "2"
address = "P1" if self.manufacturer_id == "LUN" else "P.01"
end = "" if self.manufacturer_id == "LUN" else None
cmd = messages.CommandMessage(command=command, command_type=command_type,
data_set=messages.DataSet(value=f"{start_date_};{end_date_}", address=address, end=end))
logger.info(f"Sending profile request to meter. {cmd.to_bytes()}")
self.transport.send(cmd.to_bytes())
def test_to_byte_without_unit(self):
ds = messages.DataSet(value="100", address="3.1.0", unit=None)
assert ds.to_bytes() == self.data_set_without_unit.encode(constants.ENCODING)
def test_to_string_without_unit(self):
ds = messages.DataSet(value="100", address="3.1.0", unit=None)
assert ds.to_representation() == self.data_set_without_unit
