Add asyncio protocol implementation.

This commit is contained in:
Johan Bloemberg
2016-11-21 15:47:29 +01:00
parent f8a3c76c68
commit e3569e0719
6 changed files with 148 additions and 70 deletions

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@@ -1,57 +0,0 @@
"""Test async read/parse."""
import pytest
import asyncio
from dsmr_parser.serial import AsyncSerialReader, SERIAL_SETTINGS_V2_2
from dsmr_parser.obis_references import CURRENT_ELECTRICITY_USAGE, GAS_METER_READING
from dsmr_parser import telegram_specifications
TELEGRAM_V2_2 = [
"/ISk5\2MT382-1004",
"",
"0-0:96.1.1(00000000000000)",
"1-0:1.8.1(00001.001*kWh)",
"1-0:1.8.2(00001.001*kWh)",
"1-0:2.8.1(00001.001*kWh)",
"1-0:2.8.2(00001.001*kWh)",
"0-0:96.14.0(0001)",
"1-0:1.7.0(0001.01*kW)",
"1-0:2.7.0(0000.00*kW)",
"0-0:17.0.0(0999.00*kW)",
"0-0:96.3.10(1)",
"0-0:96.13.1()",
"0-0:96.13.0()",
"0-1:24.1.0(3)",
"0-1:96.1.0(000000000000)",
"0-1:24.3.0(161107190000)(00)(60)(1)(0-1:24.2.1)(m3)",
"(00001.001)",
"0-1:24.4.0(1)",
"!",
]
@pytest.mark.asyncio
def test_async_read(event_loop, mocker):
"""Test async read and parse."""
mock_open_serial_connection = mocker.patch('serial_asyncio.open_serial_connection')
mock_open_serial_connection.return_value = (mocker.stub(), None)
queue = asyncio.Queue()
serial_reader = AsyncSerialReader(
device='/dev/ttyUSB0',
serial_settings=SERIAL_SETTINGS_V2_2,
telegram_specification=telegram_specifications.V2_2,
)
event_loop.run_until_complete(serial_reader.read(queue))
assert not queue.get_nowait()
result = yield from queue.get()
assert float(result[CURRENT_ELECTRICITY_USAGE].value) == 1.01
assert result[CURRENT_ELECTRICITY_USAGE].unit == 'kW'
assert float(result[GAS_METER_READING].value) == 1.001
assert result[GAS_METER_READING].unit == 'm3'

39
test/test_protocol.py Normal file
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"""Test DSMR serial protocol."""
from unittest.mock import Mock
import pytest
from dsmr_parser import obis_references as obis
from dsmr_parser import telegram_specifications
from dsmr_parser.parsers import TelegramParserV2_2
from dsmr_parser.protocol import DSMRProtocol
from .test_parse_v2_2 import TELEGRAM_V2_2
@pytest.fixture
def protocol():
"""DSMRprotocol instance with mocked telegram_callback."""
parser = TelegramParserV2_2
specification = telegram_specifications.V2_2
telegram_parser = parser(specification)
return DSMRProtocol(None, telegram_parser,
telegram_callback=Mock())
def test_complete_packet(protocol):
"""Protocol should assemble incoming lines into complete packet."""
for line in TELEGRAM_V2_2:
protocol.data_received(bytes(line + '\r\n', 'ascii'))
telegram = protocol.telegram_callback.call_args_list[0][0][0]
assert isinstance(telegram, dict)
assert float(telegram[obis.CURRENT_ELECTRICITY_USAGE].value) == 1.01
assert telegram[obis.CURRENT_ELECTRICITY_USAGE].unit == 'kW'
assert float(telegram[obis.GAS_METER_READING].value) == 1.001
assert telegram[obis.GAS_METER_READING].unit == 'm3'