RouteProcessorCurrentIntegrationTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\RouteProcessor;

use Drupal\Core\Cache\Cache;
use Drupal\Core\GeneratedUrl;
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\KernelTests\KernelTestBase;
use Drupal\Core\Routing\RouteObjectInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;
use Symfony\Component\Routing\Route;

/**
 * Tests the <current> route processor.
 *
 * @see \Drupal\Core\RouteProcessor\RouteProcessorCurrent
 * @group route_processor
 */
class RouteProcessorCurrentIntegrationTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
    ];
    
    /**
     * The URL generator.
     *
     * @var \Drupal\Core\Routing\UrlGeneratorInterface
     */
    protected $urlGenerator;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->urlGenerator = \Drupal::urlGenerator();
    }
    
    /**
     * Tests the output process.
     */
    public function testProcessOutbound() : void {
        $expected_cacheability = (new BubbleableMetadata())->addCacheContexts([
            'route',
        ])
            ->setCacheMaxAge(Cache::PERMANENT);
        $request_stack = \Drupal::requestStack();
        
        /** @var \Symfony\Component\Routing\RequestContext $request_context */
        $request_context = \Drupal::service('router.request_context');
        // Test request with subdir on homepage.
        $server = [
            'SCRIPT_NAME' => '/subdir/index.php',
            'SCRIPT_FILENAME' => $this->root . '/index.php',
            'SERVER_NAME' => 'http://www.example.com',
        ];
        $request = Request::create('/subdir/', 'GET', [], [], [], $server);
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_NAME, '<front>');
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_OBJECT, new Route('/'));
        $request->setSession(new Session(new MockArraySessionStorage()));
        $request_stack->push($request);
        $request_context->fromRequest($request);
        $url = GeneratedUrl::createFromObject($expected_cacheability)->setGeneratedUrl('/subdir/');
        $this->assertEquals($this->urlGenerator
            ->generateFromRoute('<current>', [], [], TRUE), $url);
        // Test request with subdir on other page.
        $server = [
            'SCRIPT_NAME' => '/subdir/index.php',
            'SCRIPT_FILENAME' => $this->root . '/index.php',
            'SERVER_NAME' => 'http://www.example.com',
        ];
        $request = Request::create('/subdir/node/add', 'GET', [], [], [], $server);
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_NAME, 'node.add');
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_OBJECT, new Route('/node/add'));
        $request->setSession(new Session(new MockArraySessionStorage()));
        $request_stack->push($request);
        $request_context->fromRequest($request);
        $url = GeneratedUrl::createFromObject($expected_cacheability)->setGeneratedUrl('/subdir/node/add');
        $this->assertEquals($this->urlGenerator
            ->generateFromRoute('<current>', [], [], TRUE), $url);
        // Test request without subdir on the homepage.
        $server = [
            'SCRIPT_NAME' => '/index.php',
            'SCRIPT_FILENAME' => $this->root . '/index.php',
            'SERVER_NAME' => 'http://www.example.com',
        ];
        $request = Request::create('/', 'GET', [], [], [], $server);
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_NAME, '<front>');
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_OBJECT, new Route('/'));
        $request->setSession(new Session(new MockArraySessionStorage()));
        $request_stack->push($request);
        $request_context->fromRequest($request);
        $url = GeneratedUrl::createFromObject($expected_cacheability)->setGeneratedUrl('/');
        $this->assertEquals($this->urlGenerator
            ->generateFromRoute('<current>', [], [], TRUE), $url);
        // Test request without subdir on other page.
        $server = [
            'SCRIPT_NAME' => '/index.php',
            'SCRIPT_FILENAME' => $this->root . '/index.php',
            'SERVER_NAME' => 'http://www.example.com',
        ];
        $request = Request::create('/node/add', 'GET', [], [], [], $server);
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_NAME, 'node.add');
        $request->attributes
            ->set(RouteObjectInterface::ROUTE_OBJECT, new Route('/node/add'));
        $request->setSession(new Session(new MockArraySessionStorage()));
        $request_stack->push($request);
        $request_context->fromRequest($request);
        $url = GeneratedUrl::createFromObject($expected_cacheability)->setGeneratedUrl('/node/add');
        $this->assertEquals($this->urlGenerator
            ->generateFromRoute('<current>', [], [], TRUE), $url);
        // Test request without a found route. This happens for example on an
        // not found exception page.
        $server = [
            'SCRIPT_NAME' => '/index.php',
            'SCRIPT_FILENAME' => $this->root . '/index.php',
            'SERVER_NAME' => 'http://www.example.com',
        ];
        $request = Request::create('/invalid-path', 'GET', [], [], [], $server);
        $request->setSession(new Session(new MockArraySessionStorage()));
        $request_stack->push($request);
        $request_context->fromRequest($request);
        // In case we have no routing, the current route should point to the front,
        // and the cacheability does not depend on the 'route' cache context, since
        // no route was involved at all: this is fallback behavior.
        $url = GeneratedUrl::createFromObject((new BubbleableMetadata())->setCacheMaxAge(Cache::PERMANENT))
            ->setGeneratedUrl('/');
        $this->assertEquals($this->urlGenerator
            ->generateFromRoute('<current>', [], [], TRUE), $url);
    }

}