def test_setting_gpx_clears_value():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.NMEA
gps.raw_nmea = '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
gps.value_type = GPSValueType.GPX
with open('./src/tests/route.gpx', 'r') as gpx_file:
gps.gpx_file_contents = gpx_file.read()
current_utc = datetime.datetime.utcnow()
assert gps.read_line() == add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4744.0886,N,12215.42,W,1,3,,0,M,0,M,,*'
)
time.sleep(2)
current_utc = datetime.datetime.utcnow()
assert gps.read_line() == add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4744.0886,N,12215.4206,W,1,3,,0,M,0,M,,*'
)
time.sleep(2)
current_utc = datetime.datetime.utcnow()
assert gps.read_line() == add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4744.0856,N,12215.4092,W,1,3,,0,M,0,M,,*'
)
assert gps.read_line() == ''
def test_gps_gpx():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.GPX
with open('./src/tests/route.gpx', 'r') as gpx_file:
gps.gpx_file_contents = gpx_file.read()
current_utc = datetime.datetime.utcnow()
assert gps.read_line() == add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4744.0886,N,12215.42,W,1,3,,0,M,0,M,,*'
)
time.sleep(2)
current_utc = datetime.datetime.utcnow()
assert gps.read_line() == add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4744.0886,N,12215.4206,W,1,3,,0,M,0,M,,*'
)
time.sleep(2)
current_utc = datetime.datetime.utcnow()
assert gps.read_line() == add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4744.0856,N,12215.4092,W,1,3,,0,M,0,M,,*'
)
assert gps.read_line() == ''
def test_gps_nmea():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.NMEA
gps.raw_nmea = '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
assert gps.read_line(
) == '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
assert gps.read_line() == ''
def test_gps_nmea_repeat():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.NMEA
gps.raw_nmea = '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
gps.repeat = True
for _ in range(0, 20):
line = gps.read_line()
if line == '':
time.sleep(1)
line = gps.read_line()
assert line == '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
def test_setting_nmea_clears_value():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.GPX
with open('./src/tests/route.gpx', 'r') as gpx_file:
gps.gpx_file_contents = gpx_file.read()
gps.value_type = GPSValueType.NMEA
gps.raw_nmea = '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
assert gps.read_line(
) == '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
assert gps.read_line() == ''
def test_gps_time_setting_when_using_lat_lon_s_w():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.LATLON
gps.lat = -47
gps.lon = -122
gps.number_of_satellites = 3
current_utc = datetime.datetime.utcnow()
expected = add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4700.0,S,12200.0,W,1,3,,0,M,0,M,,*'
)
assert gps.read_line() == expected
assert gps.read_line() == ''
def test_setting_lat_lon_clears_value():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.NMEA
gps.raw_nmea = '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
gps.value_type = GPSValueType.LATLON
gps.lat = -47
gps.lon = -122
gps.number_of_satellites = 3
current_utc = datetime.datetime.utcnow()
expected = add_checksum_to_expected(
f'$GPGGA,{current_utc.hour:02d}{current_utc.minute:02d}{current_utc.second:02}.00,4700.0,S,12200.0,W,1,3,,0,M,0,M,,*'
)
assert gps.read_line() == expected
assert gps.read_line() == ''
def test_gps_nmea_multiple_sentences_has_delay_only_for_gga():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.NMEA
gps.raw_nmea = '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67' + \
'\n' + \
'$GPGSA,A,3,01,02,03,04,05,06,07,08,09,10,11,12,1.0,1.0,1.0*30' + \
'\n' + \
'$GNGGA,020604.001,4739.228833333,S,12207.031866667,E,1,3,,164.7,M,-17.1,M,,*67' + \
'\n' + \
'$GPGSA,A,3,01,02,03,04,05,06,07,08,09,10,11,12,1.0,1.0,1.0*30'
line = gps.read_line()
assert line == '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
line = gps.read_line()
assert line == '$GPGSA,A,3,01,02,03,04,05,06,07,08,09,10,11,12,1.0,1.0,1.0*30'
line = gps.read_line()
assert line == ''
line = gps.read_line()
assert line == ''
time.sleep(1)
line = gps.read_line()
assert line == '$GNGGA,020604.001,4739.228833333,S,12207.031866667,E,1,3,,164.7,M,-17.1,M,,*67'
line = gps.read_line()
assert line == '$GPGSA,A,3,01,02,03,04,05,06,07,08,09,10,11,12,1.0,1.0,1.0*30'
line = gps.read_line()
assert line == ''
line = gps.read_line()
assert line == ''
def test_gps_nmea_multiple_sentences_has_delay():
gps = GPSSensor('/dev/ttyAMA0')
gps.value_type = GPSValueType.NMEA
gps.raw_nmea = '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67' + \
'\n' + \
'$GNGGA,020604.001,4739.228833333,S,12207.031866667,E,1,3,,164.7,M,-17.1,M,,*67'
line = gps.read_line()
assert line == '$GNGGA,020604.001,4739.228833333,N,12207.031866667,W,1,3,,164.7,M,-17.1,M,,*67'
line = gps.read_line()
assert line == ''
line = gps.read_line()
assert line == ''
line = gps.read_line()
assert line == ''
time.sleep(1.5)
line = gps.read_line()
assert line == '$GNGGA,020604.001,4739.228833333,S,12207.031866667,E,1,3,,164.7,M,-17.1,M,,*67'
def test_gps_empty_read():
gps = GPSSensor('/dev/ttyAMA0')
char = gps.read()
assert char == ''
def test_gps_empty_read_line():
gps = GPSSensor('/dev/ttyAMA0')
line = gps.read_line()
assert line == ''