LanguageBreadcrumbTest.php

<?php

namespace Drupal\Tests\language\Functional;

use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\BrowserTestBase;
use Drupal\Tests\system\Functional\Menu\AssertBreadcrumbTrait;

/**
 * Tests breadcrumbs functionality.
 *
 * @group Menu
 */
class LanguageBreadcrumbTest extends BrowserTestBase {
    use AssertBreadcrumbTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'language',
        'block',
        'filter',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalPlaceBlock('system_breadcrumb_block');
        ConfigurableLanguage::createFromLangcode('de')->save();
        ConfigurableLanguage::createFromLangcode('gsw-berne')->save();
    }
    
    /**
     * Tests breadcrumbs with URL prefixes.
     */
    public function testBreadCrumbs() {
        // /user/login is the default frontpage which only works for an anonymous
        // user. Access the frontpage in different languages, ensure that no
        // breadcrumb is displayed.
        $this->assertBreadcrumb('user/login', []);
        $this->assertBreadcrumb('de/user/login', []);
        $this->assertBreadcrumb('gsw-berne/user/login', []);
        $admin_user = $this->drupalCreateUser([
            'access administration pages',
        ]);
        $this->drupalLogin($admin_user);
        // Use administration routes to assert that breadcrumb is displayed
        // correctly on pages other than the frontpage.
        $this->assertBreadcrumb('admin', [
            '' => 'Home',
        ]);
        $this->assertBreadcrumb('de/admin', [
            'de' => 'Home',
        ]);
        $this->assertBreadcrumb('admin/structure', [
            '' => 'Home',
            'admin' => 'Administration',
        ]);
        $this->assertBreadcrumb('de/admin/structure', [
            'de' => 'Home',
            'de/admin' => 'Administration',
        ]);
    }

}