aprs-parser/tests/APRSParserTests.js

JavaScript library for parsing APRS packets

'use strict';

const chai = require('chai');
const expect = chai.expect;

const Models = require('../lib/MessageModels');

const APRSMessage = require('../lib/APRSMessage.js');

const Callsign = require('../lib/Callsign.js');

const APRSParser = require('../lib/index.js');

describe('APRSParser', () => {
    const parser = new APRSParser.APRSParser();

    it('Invalid header', () => {
        const obj = parser.parse('abc');
        expect(obj).to.be.an.instanceOf(APRSMessage);
        expect(obj.raw).to.exist;
        expect(obj.errors).to.exist;
    });

    it('Header parsing', () => {
        const obj = parser.parse('SQ7PFS-15>APRS,TCPIP:');
        expect(obj).to.be.an.instanceOf(APRSMessage);

        expect(obj).to.exist;
        expect(obj.from).to.eql(new Callsign('SQ7PFS-15'));
        expect(obj.to).to.eql(new Callsign('APRS'));
        expect(obj.via).to.eql([new Callsign('TCPIP')]);
    });

    it('Not compressed position recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS:!5214.93ND02106.32E&');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.Position);
    });

    it('Message recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS::WU2Z     :Testing{003 ');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.Message);
    });

    it('Telemetry recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS:T#005,199,000,255,073,123,01101001');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.Telemetry);
    });

    it('Telemetry names recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS::N0QBF-11 :PARM.Battery,Btemp,ATemp,Pres,Alt,Camra');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.TelemetryNames);
    });

    it('Telemetry labels/units recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS::N0QBF-11 :UNIT.v/100,deg.F,deg.F,Mbar,Kft,Click,OPEN,on,on,hi');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.TelemetryLabels);
    });

    it('Telemetry coefficients recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS::N0QBF-11 :EQNS.0,5.2,0,0,.53,-32,3,4.39,49,-32,3,18,1,2,3');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.TelemetryEquations);
    });

    it('Telemetry bit sense recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS::N0QBF-11 :BITS.10110000,N0QBF’s Big Balloon');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.TelemetryBitSense);
    });

    it('MIC-E position', () => {
        const obj = parser.parse('SQ7PFS>APDR13:`0U;l!#>/');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.MICEPosition);
        expect(obj.data).to.be.an.instanceOf(Models.Position);
    });

    it('Object position', () => {
        const obj = parser.parse('SQ7PFS>APDR13:;LEADER   *092345z4903.50N/07201.75W>');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.ObjectPosition);
        expect(obj.data).to.be.an.instanceOf(Models.Position);
    });

    it('Status report', () => {
        const obj = parser.parse('SQ7PFS>APDR13:>Hello');

        expect(obj).to.exist;
        expect(obj.data).to.exist;
        expect(obj.data).to.be.an.instanceOf(Models.StatusReport);
    });

    it('Unknown format recognition', () => {
        const obj = parser.parse('SQ7PFS>APRS:Z');

        expect(obj).to.exist;
        expect(obj).to.be.an.instanceOf(APRSMessage);
        expect(obj.data).to.not.exist;
    });
});