PathChangedHelperTest.php

<?php

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

use Drupal\Core\Routing\PathChangedHelper;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\HttpFoundation\Request;

/**
 * @coversDefaultClass \Drupal\Core\Routing\PathChangedHelper
 * @group Routing
 */
class PathChangedHelperTest extends UnitTestCase {
    
    /**
     * Tests that the constructor validates its arguments.
     *
     * @covers ::__construct
     */
    public function testPathChangedHelperException() : void {
        $route_match = $this->prophesize(RouteMatchInterface::class);
        $route_match->getRouteName()
            ->willReturn('path.changed.not-bc');
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('Drupal\\Core\\Routing\\PathChangedHelper expects a route name that ends with ".bc".');
        new PathChangedHelper($route_match->reveal(), new Request());
    }

}