PathChangedHelperTest.php

<?php

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

use Drupal\Core\Routing\PathChangedHelper;
use Drupal\Core\Routing\RouteMatch;
use Drupal\Core\Url;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;

/**
 * Tests the PathChangedHelper class.
 *
 * @coversDefaultClass \Drupal\Core\Routing\PathChangedHelper
 * @group Routing
 */
class PathChangedHelperTest extends KernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'path_changed_helper_test',
        'system',
    ];
    
    /**
     * Tests creating a PathChangedHelper object and getting paths.
     *
     * @covers ::__construct
     * @covers ::oldPath
     * @covers ::newPath
     * @covers ::redirect
     */
    public function testPathChangedHelper() : void {
        $route = \Drupal::service('router.route_provider')->getRouteByName('path.changed.bc');
        $raw_parameters = [
            'block_type' => 'test_block_type',
        ];
        $query = [
            'destination' => 'admin/structure/block',
            'plugin_id' => 'some_block_config',
        ];
        $helper = new PathChangedHelper(new RouteMatch('path.changed.bc', $route, [], $raw_parameters), new Request($query));
        // Assert that oldPath() returns the internal path for path.changed.bc.
        $this->assertEquals('old/path/test_block_type', $helper->oldPath());
        // Assert that newPath() returns the internal path for path.changed.
        $this->assertEquals('new/path/test_block_type', $helper->newPath());
        // Assert that redirect() returns a RedirectResponse for the absolute URL of
        // path.changed, and the query string comes from the Request object with the
        // destination parameter removed.
        $redirect = $helper->redirect();
        $this->assertInstanceOf(RedirectResponse::class, $redirect);
        $this->assertEquals(301, $redirect->getStatusCode());
        $base_path = Url::fromRoute('<front>', [], [
            'absolute' => TRUE,
        ])->toString();
        $this->assertEquals($base_path . 'new/path/test_block_type?plugin_id=some_block_config', $redirect->getTargetUrl());
    }

}