Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\language\Kernel;
Chris@0: 
Chris@0: use Drupal\Core\Language\LanguageInterface;
Chris@0: use Drupal\language\Entity\ConfigurableLanguage;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests the language fallback behavior.
Chris@0:  *
Chris@0:  * @group language
Chris@0:  */
Chris@0: class LanguageFallbackTest extends LanguageTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0: 
Chris@0:     $i = 0;
Chris@0:     foreach (['af', 'am', 'ar'] as $langcode) {
Chris@0:       $language = ConfigurableLanguage::createFromLangcode($langcode);
Chris@0:       $language->set('weight', $i--);
Chris@0:       $language->save();
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests language fallback candidates.
Chris@0:    */
Chris@0:   public function testCandidates() {
Chris@0:     $language_list = $this->languageManager->getLanguages();
Chris@0:     $expected = array_keys($language_list + [LanguageInterface::LANGCODE_NOT_SPECIFIED => NULL]);
Chris@0: 
Chris@0:     // Check that language fallback candidates by default are all the available
Chris@0:     // languages sorted by weight.
Chris@0:     $candidates = $this->languageManager->getFallbackCandidates();
Chris@0:     $this->assertEqual(array_values($candidates), $expected, 'Language fallback candidates are properly returned.');
Chris@0: 
Chris@0:     // Check that candidates are alterable.
Chris@0:     $this->state->set('language_test.fallback_alter.candidates', TRUE);
Chris@0:     $expected = array_slice($expected, 0, count($expected) - 1);
Chris@0:     $candidates = $this->languageManager->getFallbackCandidates();
Chris@0:     $this->assertEqual(array_values($candidates), $expected, 'Language fallback candidates are alterable.');
Chris@0: 
Chris@0:     // Check that candidates are alterable for specific operations.
Chris@0:     $this->state->set('language_test.fallback_alter.candidates', FALSE);
Chris@0:     $this->state->set('language_test.fallback_operation_alter.candidates', TRUE);
Chris@0:     $expected[] = LanguageInterface::LANGCODE_NOT_SPECIFIED;
Chris@0:     $expected[] = LanguageInterface::LANGCODE_NOT_APPLICABLE;
Chris@0:     $candidates = $this->languageManager->getFallbackCandidates(['operation' => 'test']);
Chris@0:     $this->assertEqual(array_values($candidates), $expected, 'Language fallback candidates are alterable for specific operations.');
Chris@0: 
Chris@0:     // Check that when the site is monolingual no language fallback is applied.
Chris@0:     $langcodes_to_delete = [];
Chris@0:     foreach ($language_list as $langcode => $language) {
Chris@0:       if (!$language->isDefault()) {
Chris@0:         $langcodes_to_delete[] = $langcode;
Chris@0:       }
Chris@0:     }
Chris@0:     entity_delete_multiple('configurable_language', $langcodes_to_delete);
Chris@0:     $candidates = $this->languageManager->getFallbackCandidates();
Chris@0:     $this->assertEqual(array_values($candidates), [LanguageInterface::LANGCODE_DEFAULT], 'Language fallback is not applied when the Language module is not enabled.');
Chris@0:   }
Chris@0: 
Chris@0: }