www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/language/tests/src/Kernel/LanguageFallbackTest.php

   1 <?php
   2
   3 namespace Drupal\Tests\language\Kernel;
   4
   5 use Drupal\Core\Language\LanguageInterface;
   6 use Drupal\language\Entity\ConfigurableLanguage;
   7
   8 /**
   9  * Tests the language fallback behavior.
  10  *
  11  * @group language
  12  */
  13 class LanguageFallbackTest extends LanguageTestBase {
  14
  15   /**
  16    * {@inheritdoc}
  17    */
  18   protected function setUp() {
  19     parent::setUp();
  20
  21     $i = 0;
  22     foreach (['af', 'am', 'ar'] as $langcode) {
  23       $language = ConfigurableLanguage::createFromLangcode($langcode);
  24       $language->set('weight', $i--);
  25       $language->save();
  26     }
  27   }
  28
  29   /**
  30    * Tests language fallback candidates.
  31    */
  32   public function testCandidates() {
  33     $language_list = $this->languageManager->getLanguages();
  34     $expected = array_keys($language_list + [LanguageInterface::LANGCODE_NOT_SPECIFIED => NULL]);
  35
  36     // Check that language fallback candidates by default are all the available
  37     // languages sorted by weight.
  38     $candidates = $this->languageManager->getFallbackCandidates();
  39     $this->assertEqual(array_values($candidates), $expected, 'Language fallback candidates are properly returned.');
  40
  41     // Check that candidates are alterable.
  42     $this->state->set('language_test.fallback_alter.candidates', TRUE);
  43     $expected = array_slice($expected, 0, count($expected) - 1);
  44     $candidates = $this->languageManager->getFallbackCandidates();
  45     $this->assertEqual(array_values($candidates), $expected, 'Language fallback candidates are alterable.');
  46
  47     // Check that candidates are alterable for specific operations.
  48     $this->state->set('language_test.fallback_alter.candidates', FALSE);
  49     $this->state->set('language_test.fallback_operation_alter.candidates', TRUE);
  50     $expected[] = LanguageInterface::LANGCODE_NOT_SPECIFIED;
  51     $expected[] = LanguageInterface::LANGCODE_NOT_APPLICABLE;
  52     $candidates = $this->languageManager->getFallbackCandidates(['operation' => 'test']);
  53     $this->assertEqual(array_values($candidates), $expected, 'Language fallback candidates are alterable for specific operations.');
  54
  55     // Check that when the site is monolingual no language fallback is applied.
  56     $langcodes_to_delete = [];
  57     foreach ($language_list as $langcode => $language) {
  58       if (!$language->isDefault()) {
  59         $langcodes_to_delete[] = $langcode;
  60       }
  61     }
  62     entity_delete_multiple('configurable_language', $langcodes_to_delete);
  63     $candidates = $this->languageManager->getFallbackCandidates();
  64     $this->assertEqual(array_values($candidates), [LanguageInterface::LANGCODE_DEFAULT], 'Language fallback is not applied when the Language module is not enabled.');
  65   }
  66
  67 }