LanguageBreadcrumbTest.php

<?php

namespace Drupal\Tests\language\Functional;

use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests breadcrumbs functionality.
 *
 * @group Menu
 */
class LanguageBreadcrumbTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'language',
        'block',
        'filter',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'classy';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->drupalPlaceBlock('system_breadcrumb_block');
        ConfigurableLanguage::createFromLangcode('de')->save();
        ConfigurableLanguage::createFromLangcode('gsw-berne')->save();
    }
    
    /**
     * Tests breadcrumbs with URL prefixes.
     */
    public function testBreadCrumbs() {
        // Prepare common base breadcrumb elements.
        $home = [
            '' => 'Home',
        ];
        $admin = $home + [
            'admin' => t('Administration'),
        ];
        $page = $this->getSession()
            ->getPage();
        // /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->drupalGet('user/login');
        $breadcrumbs = $page->find('css', '.block-system-breadcrumb-block');
        $this->assertNull($breadcrumbs);
        $this->drupalGet('de/user/login');
        $breadcrumbs = $page->find('css', '.block-system-breadcrumb-block');
        $this->assertNull($breadcrumbs);
        $this->drupalGet('gsw-berne/user/login');
        $breadcrumbs = $page->find('css', '.block-system-breadcrumb-block');
        $this->assertNull($breadcrumbs);
        $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->drupalGet('admin');
        $breadcrumbs = $page->find('css', '.block-system-breadcrumb-block');
        $this->assertEquals(1, substr_count($breadcrumbs->getText(), 'Home'));
        $this->assertEquals(0, substr_count($breadcrumbs->getText(), 'Administration'));
        $this->drupalGet('de/admin');
        $breadcrumbs = $page->find('css', '.block-system-breadcrumb-block');
        $this->assertEquals(1, substr_count($breadcrumbs->getText(), 'Home'));
        $this->assertEquals(0, substr_count($breadcrumbs->getText(), 'Administration'));
        $this->drupalGet('admin/structure', $admin);
        $breadcrumbs = $page->find('css', '.block-system-breadcrumb-block');
        $this->assertEquals(1, substr_count($breadcrumbs->getText(), 'Home'));
        $this->assertEquals(1, substr_count($breadcrumbs->getText(), 'Administration'));
        $this->drupalGet('de/admin/structure', $admin);
        $breadcrumbs = $page->find('css', '.block-system-breadcrumb-block');
        $this->assertEquals(1, substr_count($breadcrumbs->getText(), 'Home'));
        $this->assertEquals(1, substr_count($breadcrumbs->getText(), 'Administration'));
    }

}