Simple way to include all tests in Mocha with simple handling.

runner.js

var fs = require('fs'),
    Mocha = require("mocha"),
    path = require('path');

// Our Mocha runner
var mocha = new Mocha({
    ui:"bdd",
    reporter:"spec",
    timeout:60000,
    slow:10000
});

// Files which need to be ignored
var avoided = [
    "node_modules"
];

// Add the tests to the Mocha instance
(addFiles = function(dir){
    fs.readdirSync(dir).filter(function(file){
    	if(!~avoided.indexOf(file)){
    	    if(fs.statSync(dir + '/' + file).isDirectory()){
                addFiles(dir + '/' + file);
            }
            return file.substr(-3) === '.js';
        }
    }).forEach(function(file){
    	mocha.addFile(dir + '/' + file);
    });
})(path.join(process.cwd(), process.argv[2] || "."));

// Run the files in Mocha
mocha.run(function(failures){
    process.exit(failures);
});