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'));
  }

}