async def test_gps_time_sync(ovshell: testing.OpenVarioShellStub, monkeypatch) -> None:
# GIVEN
subpr_mock = mock.Mock()
monkeypatch.setattr("ovshell_core.gpstime.subprocess", subpr_mock)
gprmc_fields = "225446,A,4916.45,N,12311.12,W,000.5,054.7,191194,020.3"
ovshell.devices.stub_add_nmea(
[
api.NMEA("", "", "ZZZ", []),
api.NMEA("", "", "GPRMC", gprmc_fields.split(",")),
api.NMEA("", "", "AAA", []),
]
)
state = gpstime.GPSTimeState()
# WHEN
await gpstime.gps_time_sync(ovshell, state)
# THEN
assert state.acquired is True
datebin = ovshell.os.path("//bin/date")
subpr_mock.run.assert_called_with(
[datebin, "+%F %H:%M:%S", "-s", "1994-11-19 22:54:46"],
check=True,
capture_output=True,
)
def test_parse_gps_datetime_longtime() -> None:
gprmc_fields = "121931.00,A,4801.86153,N,01056.69289,E,53.587,8.64,270520,,,A"
nmea = api.NMEA("", "", "GPRMC", gprmc_fields.split(","))
# WHEN
dt = gpstime.parse_gps_datetime(nmea)
# THEN
assert dt == datetime(2020, 5, 27, 12, 19, 31)
def test_parse_gps_datetime_bad_sentence() -> None:
# GIVEN
gprmc_fields = "225446,A,4916.45,N,12311.12,W,000.5,054.7,191194,020.3"
nmea = api.NMEA("", "", "XXXXX", gprmc_fields.split(","))
# WHEN
dt = gpstime.parse_gps_datetime(nmea)
# THEN
assert dt is None
def test_parse_gps_datetime_correct() -> None:
# GIVEN
gprmc_fields = "225446,A,4916.45,N,12311.12,W,000.5,054.7,191103,020.3"
nmea = api.NMEA("", "", "GPRMC", gprmc_fields.split(","))
# WHEN
dt = gpstime.parse_gps_datetime(nmea)
# THEN
assert dt == datetime(2003, 11, 19, 22, 54, 46)
def test_parse_gps_datetime_notime() -> None:
# GIVEN
gprmc_fields = ",,,,,,,,,"
nmea = api.NMEA("", "", "GPRMC", gprmc_fields.split(","))
# WHEN
dt = gpstime.parse_gps_datetime(nmea)
# THEN
assert dt is None
def parse_nmea(device_id: str, message: bytes) -> api.NMEA:
strmsg = message.decode().strip()
if not is_nmea_valid(strmsg):
raise InvalidNMEA()
msg, chksum = strmsg.rsplit("*", 1)
parts = msg.split(",")
datatype = parts[0][1:]
return api.NMEA(
device_id=device_id, raw_message=strmsg, datatype=datatype, fields=parts[1:]
)