function testMe(a)
{
    var request = require('request');
    return new Promise((resolve, reject)=>{
        request.get('someexternalulr?a='+a, (error, response, body) => {
            if (error === null)
            {
                switch(body)
                {
                    case 'one thing':
                        resolve(true);
                    break;
                    case 'something else':
                        reject(whatever);
                    break;
                    // more logic
                }


            }
            else
            {
                reject(error);
            }
        });

    });

}