Testing location based apps

autoclick.applescript

tell application "System Events" to tell process "Xcode"
    click menu item "cli-spoof-location" of menu 1 of menu item "Simulate Location" of menu 1 of menu bar item "Debug" of menu bar 1
end tell

bonus-titanium-plugin.js

exports.id = 'cli-spoof.test';
exports.cliVersion = '>=3.2';
exports.init = function (logger, config, cli, appc) {
    cli.on('build.ios.xcodeproject', {
        pre: function (data) {
            // don't alter the project when going to production
            if (data.ctx.deployType === 'production') {
                return;
            }

            logger.info('Add GPX file to project for testing purposes');

            var uniqueHex = this.hash('cli-spoof-location.gpx').substr(0, 24).toUpperCase();

            var hash = data.args[0].hash;
            var objects = hash.project.objects;

            var PBXFileReference = objects['PBXFileReference'];
            var PBXGroup = objects['PBXGroup'];
            var mainGroup = objects['PBXProject'][hash.project.rootObject].mainGroup;

            PBXFileReference[uniqueHex] = {
                isa: 'PBXFileReference',
                fileEncoding: 4,
                lastKnownFileType: 'text',
                name: 'cli-spoof-location.gpx',
                path: 'path/to/gpx/cli-spoof-location.gpx',
                sourceTree: '"<group>"'
            };
            PBXFileReference[uniqueHex + '_comment'] = 'cli-spoof-location.gpx';
            PBXGroup[mainGroup].children.unshift({
                value: uniqueHex,
                comment: 'cli-spoof-location.gpx'
            });
        }
    });
};

locationUpdate.js

import fs from 'fs';
import process from 'child_process';
import sleep from 'system-sleep';

function locationUpdate(coord, delay) {
    sleep(delay * 1000);
  
    if (platform === 'ios') {
        fs.writeFileSync('cli-spoof-location.gpx',
            `<gpx creator="Xcode" version="1.1"><wpt lat="${coord.latitude.toFixed(6)}" lon="${coord.longitude.toFixed(6)}"><name>cli-spoof-location</name></wpt></gpx>`
        );
        process.exec('osascript autoclick.applescript', (error) => {
            if (error) {
                console.log(error.message);
                return;
            }
        });
        return;
    }

    if (platform === 'android') {
        // https://github.com/amotzte/android-mock-location-for-development
        process.exec(`adb shell am broadcast -a send.mock -e lat ${coord.latitude} -e lon ${coord.longitude}`,
            (error) => {
                if (error) {
                    console.log(error.message);
                    return;
                }
            }
        );
    }
}

nextPoint.js

import geolib from 'geolib';

const speed = 25;
let previous = {
    coord: null,
    delay: 0,
};

[array of coordinates].forEach((coordinate) => {
    previous = nextPoint(previous.coord, {
        latitude: coordinate[0],
        longitude: coordinate[1],
    }, previous.delay);
});

function nextPoint(current, next, delay) {
    let distance = 0,
        bearing = 0,
        intermediate,
        nextMove = delay;

    if (current !== null) {
        distance = geolib.getDistance(current, next);

        if (distance > speed) {
            nextMove = 1; // move in meters per second
            bearing = geolib.getBearing(current, next);
            intermediate = geolib.computeDestinationPoint(current, speed, bearing);
            locationUpdate(intermediate, nextMove);
            return nextPoint(intermediate, next, nextMove);
        }
        nextMove = (distance / speed);
    }

    locationUpdate(next, nextMove);

    return {
        coord: next,
        delay: nextMove,
    };
}