CustomPageExceptionHtmlSubscriberTest.php

<?php

namespace Drupal\Tests\Core\EventSubscriber;

use Drupal\Component\Utility\UrlHelper;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\EventSubscriber\CustomPageExceptionHtmlSubscriber;
use Drupal\Core\Render\HtmlResponse;
use Drupal\Core\Routing\AccessAwareRouterInterface;
use Drupal\Core\Url;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\Routing\RequestContext;

/**
 * @coversDefaultClass \Drupal\Core\EventSubscriber\CustomPageExceptionHtmlSubscriber
 * @group EventSubscriber
 */
class CustomPageExceptionHtmlSubscriberTest extends UnitTestCase {
    
    /**
     * The mocked HTTP kernel.
     *
     * @var \Symfony\Component\HttpKernel\HttpKernelInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $kernel;
    
    /**
     * The mocked config factory
     *
     * @var \Drupal\Core\Config\ConfigFactoryInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $configFactory;
    
    /**
     * The mocked logger.
     *
     * @var \Psr\Log\LoggerInterface
     */
    protected $logger;
    
    /**
     * The PHP error log settings before the test.
     *
     * @var string
     */
    protected $errorLog;
    
    /**
     * The tested custom page exception subscriber.
     *
     * @var \Drupal\Core\EventSubscriber\CustomPageExceptionHtmlSubscriber|\Drupal\Tests\Core\EventSubscriber\TestCustomPageExceptionHtmlSubscriber
     */
    protected $customPageSubscriber;
    
    /**
     * The mocked redirect.destination service.
     *
     * @var \Drupal\Core\Routing\RedirectDestinationInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $redirectDestination;
    
    /**
     * The mocked access unaware router.
     * @var \Symfony\Component\Routing\Matcher\UrlMatcherInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $accessUnawareRouter;
    
    /**
     * The access manager.
     *
     * @var \Drupal\Core\Access\AccessManagerInterface
     */
    protected $accessManager;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        $this->configFactory = $this->getConfigFactoryStub([
            'system.site' => [
                'page.403' => '/access-denied-page',
                'page.404' => '/not-found-page',
            ],
        ]);
        $this->kernel = $this->createMock('Symfony\\Component\\HttpKernel\\HttpKernelInterface');
        $this->logger = $this->createMock('Psr\\Log\\LoggerInterface');
        $this->redirectDestination = $this->createMock('\\Drupal\\Core\\Routing\\RedirectDestinationInterface');
        $this->redirectDestination
            ->expects($this->any())
            ->method('getAsArray')
            ->willReturn([
            'destination' => 'test',
        ]);
        $this->accessUnawareRouter = $this->createMock('Symfony\\Component\\Routing\\Matcher\\UrlMatcherInterface');
        $this->accessUnawareRouter
            ->expects($this->any())
            ->method('match')
            ->willReturn([
            '_controller' => 'mocked',
        ]);
        $this->accessManager = $this->createMock('Drupal\\Core\\Access\\AccessManagerInterface');
        $this->accessManager
            ->expects($this->any())
            ->method('checkNamedRoute')
            ->willReturn(AccessResult::allowed()->addCacheTags([
            'foo',
            'bar',
        ]));
        $this->customPageSubscriber = new CustomPageExceptionHtmlSubscriber($this->configFactory, $this->kernel, $this->logger, $this->redirectDestination, $this->accessUnawareRouter, $this->accessManager);
        $path_validator = $this->createMock('Drupal\\Core\\Path\\PathValidatorInterface');
        $path_validator->expects($this->any())
            ->method('getUrlIfValidWithoutAccessCheck')
            ->willReturn(Url::fromRoute('foo', [
            'foo' => 'bar',
        ]));
        $container = new ContainerBuilder();
        $container->set('path.validator', $path_validator);
        \Drupal::setContainer($container);
        // You can't create an exception in PHP without throwing it. Store the
        // current error_log, and disable it temporarily.
        $this->errorLog = ini_set('error_log', file_exists('/dev/null') ? '/dev/null' : 'nul');
    }
    
    /**
     * {@inheritdoc}
     */
    protected function tearDown() {
        ini_set('error_log', $this->errorLog);
    }
    
    /**
     * Tests onHandleException with a POST request.
     */
    public function testHandleWithPostRequest() {
        $request = Request::create('/test', 'POST', [
            'name' => 'druplicon',
            'pass' => '12345',
        ]);
        $request_context = new RequestContext();
        $request_context->fromRequest($request);
        $this->accessUnawareRouter
            ->expects($this->any())
            ->method('getContext')
            ->willReturn($request_context);
        $this->kernel
            ->expects($this->once())
            ->method('handle')
            ->will($this->returnCallback(function (Request $request) {
            return new HtmlResponse($request->getMethod());
        }));
        $event = new GetResponseForExceptionEvent($this->kernel, $request, HttpKernelInterface::MASTER_REQUEST, new NotFoundHttpException('foo'));
        $this->customPageSubscriber
            ->onException($event);
        $response = $event->getResponse();
        $result = $response->getContent() . " " . UrlHelper::buildQuery($request->request
            ->all());
        $this->assertEquals('POST name=druplicon&pass=12345', $result);
        $this->assertEquals(AccessResult::allowed()->addCacheTags([
            'foo',
            'bar',
        ]), $request->attributes
            ->get(AccessAwareRouterInterface::ACCESS_RESULT));
    }
    
    /**
     * Tests onHandleException with a GET request.
     */
    public function testHandleWithGetRequest() {
        $request = Request::create('/test', 'GET', [
            'name' => 'druplicon',
            'pass' => '12345',
        ]);
        $request->attributes
            ->set(AccessAwareRouterInterface::ACCESS_RESULT, AccessResult::forbidden()->addCacheTags([
            'druplicon',
        ]));
        $request_context = new RequestContext();
        $request_context->fromRequest($request);
        $this->accessUnawareRouter
            ->expects($this->any())
            ->method('getContext')
            ->willReturn($request_context);
        $this->kernel
            ->expects($this->once())
            ->method('handle')
            ->will($this->returnCallback(function (Request $request) {
            return new Response($request->getMethod() . ' ' . UrlHelper::buildQuery($request->query
                ->all()));
        }));
        $event = new GetResponseForExceptionEvent($this->kernel, $request, HttpKernelInterface::MASTER_REQUEST, new NotFoundHttpException('foo'));
        $this->customPageSubscriber
            ->onException($event);
        $response = $event->getResponse();
        $result = $response->getContent() . " " . UrlHelper::buildQuery($request->request
            ->all());
        $this->assertEquals('GET name=druplicon&pass=12345&destination=test&_exception_statuscode=404 ', $result);
        $this->assertEquals(AccessResult::forbidden()->addCacheTags([
            'druplicon',
            'foo',
            'bar',
        ]), $request->attributes
            ->get(AccessAwareRouterInterface::ACCESS_RESULT));
    }

}