Gulp file to run phpunit and behat tests

gulpfile.js

//gulpfile.js
var gulp    = require('gulp');
var beep    = require('beepbeep');
var sys     = require('sys');
var exec    = require('child_process').exec;
var gutil   = require('gulp-util');
var plumber = require('gulp-plumber');

var onError = function(err) {
    beep([1000, 1000, 1000]);
    gutil.log(gutil.colors.red(err));
}

var onSuccess = function(message) {
    gutil.log(gutil.colors.green(message));
}

// Run all PHPUnit tests
gulp.task('phpunit', function() {
    exec('phpunit tests/BehatEditor/Tests/ProjectServicesTest.php', function(error, stdout) {
        if(error !== null)
        {
            onError(stdout);
        }
        else
        {
            onSuccess(stdout);
        }
    });
    exec('phpunit tests/BehatEditor/Tests/BehatTestServiceTest.php', function(error, stdout) {
        if(error !== null)
        {
            onError(stdout);
        }
        else
        {
            onSuccess(stdout);
        }
    });
});

gulp.task('behat', function() {
    exec('bin/behat --config=tests/behat/behat.yml tests/behat/features/api/tests_api.feature', function(error, stdout) {
        if(error !== null)
        {
            onError(stdout);
        }
        else
        {
            onSuccess(stdout);
        }

    });
});

gulp.task('watch', function () {
    gulp.watch('app/**/*.php', ['phpunit', 'behat']);
    gulp.watch('tests/BehatEditor/Tests/*', ['phpunit']);
    gulp.watch('tests/behat/features/*', ['phpunit']);
});

gulp.task('default', ['watch']);