MattiSG/Watai

/** Provides a quick smoke test for proper installation.
*@return    `true` if this software has all its dependencies installed or not, the error that explains what fails otherwise.
*@private
*/
function isInstalled() {
    try {
        require('../../');
        return true;
    } catch (e) {
        return e;
    }
}


/** Presents the user with a message telling if this software passes a quick smoke test, and gives the main reason if not.
* Exits the running process afterwards, with `0` if installed properly or nonzero otherwise.
*/
function tellUserInstallationStatus() {
    var evaluation = isInstalled();

    if (evaluation === true) {
        console.log('Watai seems to be installed properly  :)  Now get testing!');
        process.exit(0);
    } else {
        console.error('**Watai has not been installed properly, please make sure you followed all installation instructions.**');
        console.error('Main reason: ' + evaluation.message + '.');
        console.error('See http://github.com/MattiSG/Watai for details.');
        process.exit(1);
    }
}


module.exports = tellUserInstallationStatus;    // CommonJS export