Symfony2 + Jasmine = JasmineHandler

jasmine.html.twig

{% extends '::base.html.twig' %}

{% block title %}Ormigo Client-Side Testing Range{% endblock  %}

{% block stylesheets %}
    {% stylesheets
        filter="?yui_css"
        output="css/jasmine.css"
        '../vendor/pivotal/jasmine/lib/jasmine-core/jasmine.css'
    %}
    <link rel="stylesheet" href="{{ asset_url }}" />
    {% endstylesheets %}
{% endblock %}

{% block head %}
    {{ parent() }}

    {% javascripts
        filter="?yui_js"
        output="js/jasmine.js"
        '../vendor/pivotal/jasmine/lib/jasmine-core/jasmine.js'
        '../vendor/pivotal/jasmine/lib/jasmine-core/jasmine-html.js'
    %}
        <script src="{{ asset_url }}"></script>
    {% endjavascripts %}

    {% javascripts
        filter="?yui_js"
        output="js/jasmine.js"
        '../app/Resources/js/jasmine/spec/*.js'
    %}
        <script src="{{ asset_url }}"></script>
    {% endjavascripts %}

    <script>
        (function () {
            var jasmineEnv = jasmine.getEnv();
            jasmineEnv.updateInterval = 1000;

            var trivialReporter = new jasmine.TrivialReporter();

            jasmineEnv.addReporter(trivialReporter);

            jasmineEnv.specFilter = function (spec) {
                return trivialReporter.specFilter(spec);
            };

            var currentWindowOnload = window.onload;

            window.onload = function () {
                if (currentWindowOnload) {
                    currentWindowOnload();
                }
                execJasmine();
            };

            function execJasmine() {
                jasmineEnv.execute();
            }

        })();
    </script>
{% endblock %}

{% block container %}{% endblock %}

{% block footer %}{% endblock %}

JasmineHandler.php

<?php

namespace Ormigo\Tests;

use Symfony\Component\Templating\EngineInterface;
use Symfony\Component\HttpFoundation\Response;

class JasmineHandler
{
    protected $templating;
    protected $template;

    public function __construct(EngineInterface $templating, $template = '::jasmine.html.twig')
    {
        $this->templating = $templating;
        $this->template = $template;
    }

    public function testAction()
    {
        return new Response($this->templating->render($this->template));
    }
}

routing.yml

_jasmine:
    pattern: '/_jasmine'
    defaults: { _controller: 'jasmine_handler:testAction' }

services.yml

services:
    jasmine_handler:
        class: Ormigo\Tests\JasmineHandler
        arguments:
            - '@templating'