def test_uplink_system_temperature(network_lora, caplog):
"""
Pretend to invoke the datalogger on a LoPy4 with basic system sensors.
Effectively, only the "system.temperature" sensor will be transmitted
over LoRa telemetry.
By intercepting the lora socket communication, proof that the
submitted payload is correct by checking the raw payload value
and decoding it through Cayenne.
"""
# Define artificial LoRa conversation.
network_lora.register_conversation()
# Invoke datalogger with LoRaWAN telemetry settings for a single duty cycle.
from test.settings import telemetry_lorawan
invoke_datalogger_pycom(caplog, settings=telemetry_lorawan)
# Capture log output.
captured = caplog.text
# Proof it works by verifying log output.
assert "Starting Terkin datalogger" in captured, captured
assert "platform: LoPy4" in captured, captured
assert "[LoRa] Starting LoRa Manager" in captured, captured
assert "Telemetry transport: CayenneLPP over LoRaWAN/TTN" in captured, captured
assert "Telemetry status: SUCCESS (1/1)" in captured, captured
# Check the raw LoRa payload.
from mocket import Mocket
assert Mocket.last_request() == bytearray(b'\x00g\x01\xbf\x00\x01\x00')
# Check the value after decoding from CayenneLPP.
from cayennelpp import LppFrame
data = LppFrame.from_bytes(Mocket.last_request()).data
# System temperature
assert data[0].channel == 0
assert data[0].type == 103
assert data[0].value == (44.7, )
# EOF?
assert data[1].channel == 0
assert data[1].type == 1
assert data[1].value == (0, )
assert "[LoRa] No downlink message processed" in captured, captured
def test_uplink_environmental_sensors(mocker, network_lora, caplog):
"""
Pretend to invoke the datalogger on a LoPy4 with environmental sensors.
By intercepting the lora socket communication, proof that the
submitted payload is correct by checking the raw payload value
and decoding it through Cayenne.
"""
# Define artificial LoRa conversation.
network_lora.register_conversation()
# Mix together different settings.
from test.settings import telemetry_lorawan
from test.settings import sensors as sensor_settings
mocker.patch('test.settings.telemetry_lorawan.sensors',
sensor_settings.sensors)
# Invoke datalogger with LoRaWAN telemetry settings for a single duty cycle.
invoke_datalogger_pycom(caplog, settings=telemetry_lorawan)
# Capture log output.
captured = caplog.text
# Proof it works by verifying log output.
assert "Starting Terkin datalogger" in captured, captured
assert "platform: LoPy4" in captured, captured
assert "[LoRa] Starting LoRa Manager" in captured, captured
assert "Telemetry transport: CayenneLPP over LoRaWAN/TTN" in captured, captured
assert "Telemetry status: SUCCESS (1/1)" in captured, captured
# Check the raw LoRa payload.
from mocket import Mocket
assert Mocket.last_request() == bytearray(
b'\x00g\x01\xbf\x00\x03\x01\xa4\x00\x02\x01\x80\x01g\x01\xe1\x02g\x01\xe1'
b'\x03g\x00\x97\x00s)7\x00h\x9b\x00\x01\x00')
# Check the value after decoding from CayenneLPP.
from cayennelpp import LppFrame
data = LppFrame.from_bytes(Mocket.last_request()).data
# System temperature
assert data[0].channel == 0
assert data[0].type == 103
assert data[0].value == (44.7, )
# Voltage
assert data[1].channel == 0
assert data[1].type == 3
assert data[1].value == (4.2, )
# Weight (kg)
assert data[2].channel == 0
assert data[2].type == 2
assert data[2].value == (3.84, )
# DS18B20 temperature
assert data[3].channel == 1
assert data[3].type == 103
assert data[3].value == (48.1, )
assert data[4].channel == 2
assert data[4].type == 103
assert data[4].value == (48.1, )
# BME280 temperature
assert data[5].channel == 3
assert data[5].type == 103
assert data[5].value == (15.1, )
# BME280 pressure
assert data[6].channel == 0
assert data[6].type == 115
assert data[6].value == (1055.1, )
# BME280 humidity
assert data[7].channel == 0
assert data[7].type == 104
assert data[7].value == (77.5, )
# EOF?
assert data[8].channel == 0
assert data[8].type == 1
assert data[8].value == (0, )
assert "[LoRa] No downlink message processed" in captured, captured
