Chris@18: <?php
Chris@18: 
Chris@18: namespace Drupal\Tests\taxonomy\Kernel;
Chris@18: 
Chris@18: use Drupal\field\Entity\FieldStorageConfig;
Chris@18: use Drupal\field\Entity\FieldConfig;
Chris@18: use Drupal\KernelTests\KernelTestBase;
Chris@18: use Drupal\taxonomy\Entity\Term;
Chris@18: use Drupal\taxonomy\Entity\Vocabulary;
Chris@18: 
Chris@18: /**
Chris@18:  * Tests the settings of restricting term selection to a single vocabulary.
Chris@18:  *
Chris@18:  * @group taxonomy
Chris@18:  */
Chris@18: class TermEntityReferenceTest extends KernelTestBase {
Chris@18: 
Chris@18:   /**
Chris@18:    * {@inheritdoc}
Chris@18:    */
Chris@18:   public static $modules = [
Chris@18:     'entity_test',
Chris@18:     'field',
Chris@18:     'system',
Chris@18:     'taxonomy',
Chris@18:     'text',
Chris@18:     'user',
Chris@18:   ];
Chris@18: 
Chris@18:   /**
Chris@18:    * {@inheritdoc}
Chris@18:    */
Chris@18:   protected function setUp() {
Chris@18:     parent::setUp();
Chris@18: 
Chris@18:     $this->installEntitySchema('entity_test');
Chris@18:     $this->installEntitySchema('taxonomy_term');
Chris@18:     $this->installEntitySchema('user');
Chris@18:   }
Chris@18: 
Chris@18:   /**
Chris@18:    * Tests an entity reference field restricted to a single vocabulary.
Chris@18:    *
Chris@18:    * Creates two vocabularies with a term, then set up the entity reference
Chris@18:    * field to limit the target vocabulary to one of them, ensuring that
Chris@18:    * the restriction applies.
Chris@18:    */
Chris@18:   public function testSelectionTestVocabularyRestriction() {
Chris@18:     // Create two vocabularies.
Chris@18:     $vocabulary = Vocabulary::create([
Chris@18:       'name' => 'test1',
Chris@18:       'vid' => 'test1',
Chris@18:     ]);
Chris@18:     $vocabulary->save();
Chris@18:     $vocabulary2 = Vocabulary::create([
Chris@18:       'name' => 'test2',
Chris@18:       'vid' => 'test2',
Chris@18:     ]);
Chris@18:     $vocabulary2->save();
Chris@18: 
Chris@18:     $term = Term::create([
Chris@18:       'name' => 'term1',
Chris@18:       'vid' => $vocabulary->id(),
Chris@18:     ]);
Chris@18:     $term->save();
Chris@18:     $term2 = Term::create([
Chris@18:       'name' => 'term2',
Chris@18:       'vid' => $vocabulary2->id(),
Chris@18:     ]);
Chris@18:     $term2->save();
Chris@18: 
Chris@18:     // Create an entity reference field.
Chris@18:     $field_name = 'taxonomy_' . $vocabulary->id();
Chris@18:     $field_storage = FieldStorageConfig::create([
Chris@18:       'field_name' => $field_name,
Chris@18:       'entity_type' => 'entity_test',
Chris@18:       'translatable' => FALSE,
Chris@18:       'settings' => [
Chris@18:         'target_type' => 'taxonomy_term',
Chris@18:       ],
Chris@18:       'type' => 'entity_reference',
Chris@18:       'cardinality' => 1,
Chris@18:     ]);
Chris@18:     $field_storage->save();
Chris@18:     $field = FieldConfig::create([
Chris@18:       'field_storage' => $field_storage,
Chris@18:       'entity_type' => 'entity_test',
Chris@18:       'bundle' => 'test_bundle',
Chris@18:       'settings' => [
Chris@18:         'handler' => 'default',
Chris@18:         'handler_settings' => [
Chris@18:           // Restrict selection of terms to a single vocabulary.
Chris@18:           'target_bundles' => [
Chris@18:             $vocabulary->id() => $vocabulary->id(),
Chris@18:           ],
Chris@18:         ],
Chris@18:       ],
Chris@18:     ]);
Chris@18:     $field->save();
Chris@18: 
Chris@18:     $handler = $this->container->get('plugin.manager.entity_reference_selection')->getSelectionHandler($field);
Chris@18:     $result = $handler->getReferenceableEntities();
Chris@18: 
Chris@18:     $expected_result = [
Chris@18:       $vocabulary->id() => [
Chris@18:         $term->id() => $term->getName(),
Chris@18:       ],
Chris@18:     ];
Chris@18: 
Chris@18:     $this->assertIdentical($result, $expected_result, 'Terms selection restricted to a single vocabulary.');
Chris@18:   }
Chris@18: 
Chris@18: }