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# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""Test cases for the NMEA GPS protocol"""
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from twisted.trial import unittest
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from twisted.internet import reactor, protocol
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from twisted.python import reflect
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from twisted.protocols.gps import nmea
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class StringIOWithNoClose(StringIO.StringIO):
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class ResultHarvester:
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def __call__(self, *args):
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self.results.append(args)
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def performTest(self, function, *args, **kwargs):
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function(*args, **kwargs)
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self.results.append(e)
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if l == len(self.results):
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self.results.append(NotImplementedError())
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class NMEATester(nmea.NMEAReceiver):
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ignore_invalid_sentence = 0
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ignore_checksum_mismatch = 0
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ignore_unknown_sentencetypes = 0
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convert_dates_before_y2k = 1
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def connectionMade(self):
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self.resultHarvester = ResultHarvester()
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for fn in reflect.prefixedMethodNames(self.__class__, 'decode_'):
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setattr(self, 'handle_' + fn, self.resultHarvester)
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class NMEAReceiverTestCase(unittest.TestCase):
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# fix - signal acquired
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"$GPGGA,231713.0,3910.413,N,07641.994,W,1,05,1.35,00044,M,-033,M,,*69",
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# fix - signal not acquired
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"$GPGGA,235947.000,0000.0000,N,00000.0000,E,0,00,0.0,0.0,M,,,,0000*00",
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"lkjasdfkl!@#(*$!@(*#(ASDkfjasdfLMASDCVKAW!@#($)!(@#)(*",
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# fix - signal acquired (invalid checksum)
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"$GPGGA,231713.0,3910.413,N,07641.994,W,1,05,1.35,00044,M,-033,M,,*68",
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"$GPGGX,231713.0,3910.413,N,07641.994,W,1,05,1.35,00044,M,-033,M,,*68",
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"$GPGLL,4250.5589,S,14718.5084,E,092204.999,A*2D",
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# position not acquired
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"$GPGLL,0000.0000,N,00000.0000,E,235947.000,V*2D",
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# active satellites (no fix)
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"$GPGSA,A,1,,,,,,,,,,,,,0.0,0.0,0.0*30",
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"$GPGSA,A,3,01,20,19,13,,,,,,,,,40.4,24.4,32.2*0A",
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# positiontime (no fix)
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"$GPRMC,235947.000,V,0000.0000,N,00000.0000,E,,,041299,,*1D",
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"$GPRMC,092204.999,A,4250.5589,S,14718.5084,E,0.00,89.68,211200,,*25",
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# course over ground (no fix - not implemented)
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"$GPVTG,,T,,M,,N,,K*4E",
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# course over ground (not implemented)
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"$GPVTG,89.68,T,,M,0.00,N,0.0,K*5F",
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(83833.0, 39.17355, -76.6999, nmea.POSFIX_SPS, 5, 1.35, (44.0, 'M'), (-33.0, 'M'), None),
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(86387.0, 0.0, 0.0, 0, 0, 0.0, (0.0, 'M'), None, None),
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nmea.InvalidSentence(),
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nmea.InvalidChecksum(),
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nmea.InvalidSentence(),
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(-42.842648333333337, 147.30847333333332, 33724.999000000003, 1),
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(0.0, 0.0, 86387.0, 0),
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((None, None, None, None, None, None, None, None, None, None, None, None), (nmea.MODE_AUTO, nmea.MODE_NOFIX), 0.0, 0.0, 0.0),
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((1, 20, 19, 13, None, None, None, None, None, None, None, None), (nmea.MODE_AUTO, nmea.MODE_3D), 40.4, 24.4, 32.2),
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(0.0, 0.0, None, None, 86387.0, (1999, 12, 4), None),
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(-42.842648333333337, 147.30847333333332, 0.0, 89.68, 33724.999, (2000, 12, 21), None),
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NotImplementedError(),
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NotImplementedError(),
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def testGPSMessages(self):
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dummy.makeConnection(protocol.FileWrapper(StringIOWithNoClose()))
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for line in self.messages:
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dummy.resultHarvester.performTest(dummy.lineReceived, line)
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if type(myTuple) != type(()):
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if type(v) == type(1.1):
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v = float(int(v * 10000.0)) * 0.0001
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return tuple(newTuple)
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for (message, expectedResult, actualResult) in zip(self.messages, self.results, dummy.resultHarvester.results):
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expectedResult = munge(expectedResult)
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actualResult = munge(actualResult)
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if isinstance(expectedResult, Exception):
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if isinstance(actualResult, Exception):
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self.failUnlessEqual(expectedResult.__class__, actualResult.__class__, "\nInput:\n%s\nExpected:\n%s.%s\nResults:\n%s.%s\n" % (message, expectedResult.__class__.__module__, expectedResult.__class__.__name__, actualResult.__class__.__module__, actualResult.__class__.__name__))
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self.failUnlessEqual(1, 0, "\nInput:\n%s\nExpected:\n%s.%s\nResults:\n%r\n" % (message, expectedResult.__class__.__module__, expectedResult.__class__.__name__, actualResult))
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self.failUnlessEqual(expectedResult, actualResult, "\nInput:\n%s\nExpected: %r\nResults: %r\n" % (message, expectedResult, actualResult))
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testCases = [NMEAReceiverTestCase]