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import pytest
import pynmea2
import datetime
from decimal import Decimal
def test_GGA():
data = "$GPGGA,184353.07,1929.045,S,02410.506,E,1,04,2.6,100.00,M,-33.9,M,,0000*6D"
msg = pynmea2.parse(data)
assert msg.talker == 'GP'
assert msg.sentence_type == 'GGA'
assert isinstance(msg, pynmea2.GGA)
# Timestamp
assert msg.timestamp == datetime.time(18, 43, 53, 70000, tzinfo=datetime.timezone.utc)
# Latitude
assert msg.lat == '1929.045'
# Latitude Direction
assert msg.lat_dir == 'S'
# Longitude
assert msg.lon == '02410.506'
# Longitude Direction
assert msg.lon_dir == 'E'
# GPS Quality Indicator
assert msg.gps_qual == 1
# Number of Satellites in use
assert msg.num_sats == '04'
# Horizontal Dilution of Precision
assert msg.horizontal_dil == '2.6'
# Antenna Alt above sea level (mean)
assert msg.altitude == 100.0
# Units of altitude (meters)
assert msg.altitude_units == 'M'
# Geoidal Separation
assert msg.geo_sep == '-33.9'
# Units of Geoidal Separation (meters)
assert msg.geo_sep_units == 'M'
# Age of Differential GPS Data (secs)
assert msg.age_gps_data == ''
# Differential Reference Station ID
assert msg.ref_station_id == '0000'
assert msg.is_valid == True
msg.altitude = 200.0
assert str(msg) == "$GPGGA,184353.07,1929.045,S,02410.506,E,1,04,2.6,200.0,M,-33.9,M,,0000*5E"
def test_RTE():
data = "$GPRTE,2,1,c,0,PBRCPK,PBRTO,PTELGR,PPLAND,PYAMBU,PPFAIR,PWARRN,PMORTL,PLISMR*73"
msg = pynmea2.parse(data)
assert msg.talker == 'GP'
assert msg.sentence_type == 'RTE'
assert "2" == msg.num_in_seq
assert "1" == msg.sen_num
assert "c" == msg.start_type
assert "0" == msg.active_route_id
assert msg.waypoint_list == [
"PBRCPK", "PBRTO", "PTELGR", "PPLAND", "PYAMBU",
"PPFAIR", "PWARRN", "PMORTL", "PLISMR"]
msg.waypoint_list = ['ABC', 'DEF']
assert str(msg) == "$GPRTE,2,1,c,0,ABC,DEF*03"
def test_R00():
data = "$GPR00,A,B,C*29"
msg = pynmea2.parse(data)
assert msg.talker == 'GP'
assert msg.sentence_type == 'R00'
assert msg.waypoint_list == ['A', 'B', 'C']
msg.waypoint_list = ['ABC', 'DEF']
assert str(msg) == "$GPR00,ABC,DEF*42"
def test_MWV():
data = "$IIMWV,271.0,R,000.2,N,A*3B"
msg = pynmea2.parse(data)
assert msg.talker == 'II'
assert msg.sentence_type == 'MWV'
# Wind angle in degrees
assert msg.wind_angle == Decimal('271.0')
# Reference type
assert msg.reference == 'R'
# Wind speed
assert msg.wind_speed == Decimal('0.2')
# Wind speed units
assert msg.wind_speed_units == 'N'
# Device status
assert msg.status == 'A'
assert msg.render() == data
def test_GST():
data = "$GPGST,172814.0,0.006,0.023,0.020,273.6,0.023,0.020,0.031*6A"
msg = pynmea2.parse(data)
assert isinstance(msg, pynmea2.GST)
assert msg.timestamp == datetime.time(hour=17, minute=28, second=14, tzinfo=datetime.timezone.utc)
assert msg.rms == 0.006
assert msg.std_dev_major == 0.023
assert msg.std_dev_minor == 0.020
assert msg.orientation == 273.6
assert msg.std_dev_latitude == 0.023
assert msg.std_dev_longitude == 0.020
assert msg.std_dev_altitude == 0.031
assert msg.render() == data
def test_RMC():
data = '''$GPRMC,225446,A,4916.45,N,12311.12,W,000.5,054.7,191194,020.3,E*68'''
msg = pynmea2.parse(data)
assert isinstance(msg, pynmea2.RMC)
assert msg.timestamp == datetime.time(hour=22, minute=54, second=46, tzinfo=datetime.timezone.utc)
assert msg.datestamp == datetime.date(1994, 11, 19)
assert msg.latitude == 49.274166666666666
assert msg.longitude == -123.18533333333333
assert msg.datetime == datetime.datetime(1994, 11, 19, 22, 54, 46, tzinfo=datetime.timezone.utc)
assert msg.is_valid == True
assert msg.render() == data
def test_RMC_valid():
'''The RMC mode indicator and navigation status values are optional.
Test that when supplied the whole message must be valid. When not supplied
only test validation against supplied values.
Supplied means that a `,` exists it does NOT mean that a value had to be
supplied in the space provided. See
https://orolia.com/manuals/VSP/Content/NC_and_SS/Com/Topics/APPENDIX/NMEA_RMCmess.htm
for more information about the RMC Message additions.
'''
msgs = [
# Original
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,*33',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,*24',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,*72',
# RMC Timing Messages
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,S*4C',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,N*51',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,*1F',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,S*5B',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,N*46',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,*08',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,S*0D',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,N*10',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,*5E',
# RMC Nav Messags
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,S,S*33',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,S,V*36',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,S,*60',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,N,A*3C',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,N,V*2B',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,N,*7D',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,,A*72',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,,V*65',
'$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,,*33',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,S,A*36',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,S,V*21',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,S,*77',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,N,A*2B',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,N,V*3C',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,N,*6A',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,,A*65',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,,V*72',
'$GPRMC,123519.00,V,4807.038,N,01131.000,E,,,230394,,,,*24',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,S,A*60',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,S,V*77',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,S,*21',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,N,A*7D',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,N,V*6A',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,N,*3C',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,,A*33',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,,V*24',
'$GPRMC,123519.00,,4807.038,N,01131.000,E,,,230394,,,,*72',
]
# only the first of each section is valid
expected = [False] * 39
expected[0] = True
expected[3] = True
expected[12] = True
for i, msg in enumerate(msgs):
parsed = pynmea2.parse(msg)
assert expected[i] == parsed.is_valid
def test_TXT():
data = '$GNTXT,01,01,02,ROM BASE 2.01 (75331) Oct 29 2013 13:28:17*44'
msg = pynmea2.parse(data)
assert type(msg) == pynmea2.talker.TXT
assert msg.text == 'ROM BASE 2.01 (75331) Oct 29 2013 13:28:17'
def test_ZDA():
data = '''$GPZDA,010203.05,06,07,2008,-08,30'''
msg = pynmea2.parse(data)
assert isinstance(msg, pynmea2.ZDA)
assert msg.timestamp == datetime.time(hour=1, minute=2, second=3, microsecond=50000, tzinfo=datetime.timezone.utc)
assert msg.day == 6
assert msg.month == 7
assert msg.year == 2008
assert msg.tzinfo.utcoffset(0) == datetime.timedelta(hours=-8, minutes=30)
assert msg.local_zone == -8
assert msg.local_zone_minutes == 30
assert msg.datestamp == datetime.date(2008, 7, 6)
assert msg.datetime == datetime.datetime(2008, 7, 6, 1, 2, 3, 50000, tzinfo=datetime.timezone.utc)
assert msg.localdatetime == datetime.datetime(2008, 7, 5, 17, 32, 3, 50000, tzinfo=msg.tzinfo)
def test_VPW():
data = "$XXVPW,1.2,N,3.4,M"
msg = pynmea2.parse(data)
assert isinstance(msg, pynmea2.VPW)
assert msg.talker == 'XX'
assert msg.speed_kn == 1.2
assert msg.unit_knots == 'N'
assert msg.speed_ms == 3.4
assert msg.unit_ms == 'M'
def test_BOD():
data = "XXBOD,045.,T,023.,M,DEST,START"
msg = pynmea2.parse(data)
assert isinstance(msg, pynmea2.BOD)
assert msg.talker == 'XX'
def test_XDR():
data = "$YXXDR,A,-64.437,M,N,A,054.454,D,E,C,17.09,C,T-N1052*46"
msg = pynmea2.parse(data)
assert isinstance(msg, pynmea2.XDR)
assert msg.talker == 'YX'
assert msg.type == 'A'
assert msg.value == '-64.437'
assert msg.units == 'M'
assert msg.id == 'N'
assert msg.num_transducers == 3
t0 = msg.get_transducer(0)
assert t0.type == 'A'
assert t0.value == '-64.437'
assert t0.units == 'M'
assert t0.id == 'N'
t1 = msg.get_transducer(1)
assert t1.type == 'A'
assert t1.value == '054.454'
assert t1.units == 'D'
assert t1.id == 'E'
t2 = msg.get_transducer(2)
assert t2.type == 'C'
assert t2.value == '17.09'
assert t2.units == 'C'
assert t2.id == 'T-N1052'
def test_GLL():
data = "$GPGLL,4916.45,N,12311.12,W,225444,A,*1D"
msg = pynmea2.parse(data)
assert msg.is_valid == True
assert msg.render() == data
def test_GSA():
data = "$GPGSA,A,3,02,,,07,,09,24,26,,,,,1.6,1.6,1.0*3D"
msg = pynmea2.parse(data)
assert msg.is_valid == True
assert msg.render() == data
def test_VBW():
data = "XXVBW,1.2,3.4,A,5.6,7.8,A"
msg = pynmea2.parse(data)
assert msg.is_valid == True
assert msg.render(checksum=False, dollar=False) == data
def test_STALK():
data = "$STALK,9C,C1,2A,E5*4A"
msg = pynmea2.parse(data)
assert msg.render() == data
assert msg.command_name == 'Compass heading and Rudder position'
def test_STALK_unidentified_command():
data = "$STALK,AA,C1,2A,E5*30"
msg = pynmea2.parse(data)
assert msg.render() == data
assert msg.command_name == 'Unknown Command'
def test_GRS():
data = "$GNGRS,162047.00,1,0.6,0.1,-16.6,-0.8,-0.1,0.5,,,,,,*41"
msg = pynmea2.parse(data)
assert msg.render() == data
assert msg.talker == 'GN'
assert msg.sentence_type == 'GRS'
assert msg.residuals_mode == 1
assert msg.sv_res_01 == 0.6
assert msg.sv_res_02 == 0.1
assert msg.sv_res_03 == -16.6
assert msg.sv_res_04 == -0.8
assert msg.sv_res_05 == -0.1
assert msg.sv_res_06 == 0.5
assert msg.sv_res_07 == None
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