postal.js/example/node/node_modules/socket.io/benchmarks/runner.js

/**
 * Benchmark runner dependencies
 */

var colors = require( 'colors' )
	, path = require( 'path' );

/**
 * Find all the benchmarks
 */

var benchmarks_files = process.env.BENCHMARKS.split( ' ' )
	, all = [].concat( benchmarks_files )
	, first = all.shift()
	, benchmarks = {};

// find the benchmarks and load them all in our obj
benchmarks_files.forEach( function ( file ) {
	benchmarks[file] = require( path.join( __dirname, '..', file ) );
} );

// setup the complete listeners
benchmarks_files.forEach( function ( file ) {
	var benchmark = benchmarks[file]
		, next_file = all.shift()
		, next = benchmarks[next_file];

	/**
	 * Generate a oncomplete function for the tests, either we are done or we
	 * have more benchmarks to process.
	 */

	function complete() {
		if ( !next ) {
			console.log(
				'\n\nBenchmark completed in'.grey
				, (Date.now() - start).toString().green + ' ms'.grey
			);
		} else {
			console.log( '\nStarting benchmark '.grey + next_file.yellow );
			next.run();
		}
	}

	// attach the listener
	benchmark.on( 'complete', complete );
} );

/**
 * Start the benchmark
 */

var start = Date.now();
console.log( 'Starting benchmark '.grey + first.yellow );
benchmarks[first].run();