File: test_file.py

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python-nmea2 1.19.0-3
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try:
    from StringIO import StringIO
except ImportError:
    from io import StringIO

import pynmea2

TEST_DATA = """$GPRMC,181031.576,V,3926.276,N,07739.361,W,99.7,18.30,250915,,E*79
$GPGGA,181032.576,3926.276,N,07739.361,W,0,00,,,M,,M,,*5F
$GPGLL,3926.276,N,07739.361,W,181033.576,V*3E
$GPRMC,181034.576,V,3949.797,N,07809.854,W,18.8,34.66,250915,,E*75
$GPGGA,181035.576,3949.797,N,07809.854,W,0,00,,,M,,M,,*5A
$GPGLL,3949.797,N,07809.854,W,181036.576,V*39
$GPRMC,181037.576,V,4040.018,N,07808.022,W,32.9,16.43,250915,,E*77
$GPGGA,181038.576,4040.018,N,07808.022,W,0,00,,,M,,M,,*58
$GPGLL,4040.018,N,07808.022,W,181039.576,V*39
$GPRMC,181040.576,V,4133.618,N,07725.034,W,96.8,44.47,250915,,E*7F"""


def test_file():
    nmeafile = pynmea2.NMEAFile(StringIO(TEST_DATA))

    nmea_strings = nmeafile.read()
    assert len(nmea_strings) == 10
    assert all([isinstance(s, pynmea2.NMEASentence) for s in nmea_strings])
    del nmeafile

    with pynmea2.NMEAFile(StringIO(TEST_DATA)) as _f:
        nmea_strings = [_f.readline() for i in range(10)]
    assert len(nmea_strings) == 10
    assert all([isinstance(s, pynmea2.NMEASentence) for s in nmea_strings])

    with pynmea2.NMEAFile(StringIO(TEST_DATA)) as _f:
        nmea_strings = [s for s in _f]
    assert len(nmea_strings) == 10
    assert all([isinstance(s, pynmea2.NMEASentence) for s in nmea_strings])

    with pynmea2.NMEAFile(StringIO(TEST_DATA)) as _f:
        nmea_strings = [_f.next() for i in range(10)]
    assert len(nmea_strings) == 10
    assert all([isinstance(s, pynmea2.NMEASentence) for s in nmea_strings])


if __name__ == '__main__':
    test_file()