def test_get_speed_in_mph_invalid_data(self, mock_port):
mock_port.return_value.inWaiting.return_value = 1
mock_port.return_value.readline.return_value = (
"b'$GP,194509.000,A,4042.6142,N,07400.4168,W,2.03,221.11,160412,,,A*77"
)
with patch.dict(
os.environ,
{
"GPS_LOG_FILE": "logger.txt",
"LOG_DIRECTORY": self.temp_dir.path,
"GPS_PORT": "/dev/serial0",
"GPS_BAUDRATE": "9600",
},
):
expected_data = None
gps_reader = GPSReader()
data = gps_reader.get_speed_mph()
mock_port.return_value.inWaiting.assert_called()
mock_port.return_value.readline.assert_called()
self.assertEqual(expected_data, data)
def test_get_speed_in_mph(self, mock_date, mock_port):
mock_port.return_value.inWaiting.return_value = 1
mock_port.return_value.readline.return_value = (
"b'$GPRMC,194509.000,A,4042.6142,N,07400.4168,W,2.03,221.11,160412,,,A*77"
)
mock_date.return_value = "example date"
with patch.dict(
os.environ,
{
"GPS_LOG_FILE": "logger.txt",
"LOG_DIRECTORY": self.temp_dir.path,
"GPS_PORT": "/dev/serial0",
"GPS_BAUDRATE": "9600",
},
):
speed_in_mph = 2.03 * 1.151
expected_data = {}
expected_data["sensor_id"] = 1
expected_data["values"] = {
"speed": speed_in_mph,
}
expected_data["date"] = "example date"
gps_reader = GPSReader()
data = gps_reader.get_speed_mph()
mock_port.return_value.inWaiting.assert_called()
mock_port.return_value.readline.assert_called()
self.assertEqual(expected_data, data)
def handleGps():
"""
Starts up the GPSPi runtime, begins listening for GPS Hat input,
establishing a connection to a local CommPi via LAN, and sending data
for transmission to the CommPi
"""
gpsPi = GPSReader()
client = WebClient()
while True:
print("gps loop")
coords = gpsPi.get_geolocation()
speed = gpsPi.get_speed_mph()
if coords is not None:
data = [coords, speed]
for i in data:
payload = json.loads(json.dumps(i))
try:
client.send(payload)
except Exception as err:
print("Error transmitting gps data: {}".format(str(err)))
raise
time.sleep(1)