Symfony 2.7, PHPUnit and a Listener with RedirectResponse

HomeRedirect.php

<?php

namespace My\Awesome\Namespace;

use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;

class HomeRedirect
{
    /**
     * @var bool
     */
    private $redirectSwitch;
    /**
     * @var string
     */
    private $redirectUrl;
    /**
     * @var string
     */
    const URI_MATCH = '/';

    /**
     * @param bool $redirectSwitch Provided from parameters.yml. Defines when the redirect should be performed or not.
     * @param string $redirectUrl Provided from parameters.yml. Defines the URL to RedirectResponse.
     */
    public function __construct($redirectSwitch, $redirectUrl)
    {
        $this->redirectSwitch = $redirectSwitch;
        $this->redirectUrl = $redirectUrl;
    }

    /**
     * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
     */
    public function verify(GetResponseEvent $event)
    {
        $request = $event->getRequest();

        if ($this->redirectSwitch == true && $request->getRequestUri() === self::URI_MATCH) {
            $event->setResponse(new RedirectResponse($this->redirectUrl));
        }
    }
}

HomeRedirectTest.php

<?php

namespace My\Awesome\Test\Namespace;

use My\Awesome\Namespace\HomeRedirect;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\EventDispatcher\EventDispatcher;

class HomeRedirectTest extends \PHPUnit_Framework_TestCase
{
    /**
     * The HomeRedirect listener will provide a RedirectResponse on this scenario,
     * so this test expects a HTTP Status Code 302 (Found).
     */
    public function testWithRedirectAndRequestToHome()
    {
        $subject = new HomeRedirect(true, 'http://thecodinglove.com/');

        $eventDispatcher = new EventDispatcher();
        $eventDispatcher->addListener('kernel.request', [$subject, 'verify']);

        $request = Request::create('/', 'GET');

        $httpKernelInterface = $this->getMock('\Symfony\Component\HttpKernel\HttpKernelInterface');
        $event = new GetResponseEvent($httpKernelInterface, $request, HttpKernelInterface::MASTER_REQUEST);

        $resultEvent = $eventDispatcher->dispatch('kernel.request', $event);

        $response = $resultEvent->getResponse();

        $this->assertEquals(302, $response->getStatusCode());
    }

    /**
     * The HomeRedirect listener should not provide any redirects here, so this
     * test expects NULL as the Response.
     */
    public function testWithRedirectAndRequestToSearch()
    {
        $subject = new HomeRedirect(true, 'http://thecodinglove.com/');

        $eventDispatcher = new EventDispatcher();
        $eventDispatcher->addListener('kernel.request', [$subject, 'verify']);

        $request = Request::create('/awesome-uri', 'GET');

        $httpKernelInterface = $this->getMock('\Symfony\Component\HttpKernel\HttpKernelInterface');
        $event = new GetResponseEvent($httpKernelInterface, $request, HttpKernelInterface::MASTER_REQUEST);

        $resultEvent = $eventDispatcher->dispatch('kernel.request', $event);

        $this->assertEquals(null, $resultEvent->getResponse());
    }

    /**
     * The HomeRedirect listener should not provide any redirects here, so this
     * test expects NULL as the Response.
     */
    public function testWithoutRedirectAndRequestToHome()
    {
        $subject = new HomeRedirect(false, 'http://thecodinglove.com/');

        $eventDispatcher = new EventDispatcher();
        $eventDispatcher->addListener('kernel.request', [$subject, 'verify']);

        $request = Request::create('/', 'GET');

        $httpKernelInterface = $this->getMock('\Symfony\Component\HttpKernel\HttpKernelInterface');
        $event = new GetResponseEvent($httpKernelInterface, $request, HttpKernelInterface::MASTER_REQUEST);

        $resultEvent = $eventDispatcher->dispatch('kernel.request', $event);

        $this->assertEquals(null, $resultEvent->getResponse());
    }

    /**
     * The HomeRedirect listener should not provide any redirects here, so this
     * test expects NULL as the Response.
     */
    public function testWithoutRedirectAndRequestToSearch()
    {
        $subject = new HomeRedirect(false, 'http://thecodinglove.com/');

        $eventDispatcher = new EventDispatcher();
        $eventDispatcher->addListener('kernel.request', [$subject, 'verify']);

        $request = Request::create('/awesome-uri', 'GET');

        $httpKernelInterface = $this->getMock('\Symfony\Component\HttpKernel\HttpKernelInterface');
        $event = new GetResponseEvent($httpKernelInterface, $request, HttpKernelInterface::MASTER_REQUEST);

        $resultEvent = $eventDispatcher->dispatch('kernel.request', $event);

        $this->assertEquals(null, $resultEvent->getResponse());
    }
}