node-gps/tests/partial.js

A GPS NMEA parser library

var expect = require('chai').expect;
var GPS = require('../gps.js');
var pgps = new GPS;

var res = [{
    'lat': 48.539856666666665,
    'lon': 9.059166666666666,
    'speed': 4.22256,
    'status': 'active',
    'time': new Date('2016-01-26T23:49:19.000Z'),
    'track': 2.93,
    'raw': '$GPRMC,234919.000,A,4832.3914,N,00903.5500,E,2.28,2.93,260116,,*0D',
    'type': 'RMC',
    'faa': null,
    'valid': true,
    'variation': null
  }, {
    'speed': 4.22256,
    'track': 2.93,
    'raw': '$GPVTG,2.93,T,,M,2.28,N,4.2,K*66',
    'type': 'VTG',
    'faa': null,
    'valid': true
  }
];

describe('partial updates', function() {

  it('should work async with partial updates', function(done) {

    var K = 0;

    pgps.on('data', function(data) {

      try {
        expect(data).to.deep.equal(res[K++]);
      } catch (e) {
        done(e);
      }

      if (K === res.length) {
        done();
      }
    });

    pgps.updatePartial("6,,*0D\r\n$GPRMC,234919.000");
    pgps.updatePartial(",A,4832.3914,N,00903.5500");
    pgps.updatePartial(",E,2.28,2.93,260116,,*0D\r\n$GPVTG,2.");
    pgps.updatePartial("93,T,,M,2.28,N,4.2,K*66\r\nfoo");

  });
});