Gulpfile which converts CoffeeScript into JavaScript before running unit tests through Karma

gulpfile.js

var coffee = require('gulp-coffee'),
	karma = require('karma').server;

gulp.task('compile-tests-coffee', functoin() {
        return gulp.src('./test/unit/**/*.coffee')
                .pipe(coffee({bare: true}))
                .pipe(gulp.dest('test/unit'));
});

gulp.task('unit-test', ['compile-tests-coffee'], function () {
	karma.start({
		configFile: __dirname + '/test/karma.config.js',
		autoWatch: true
	});
});