/**
  * Tests using entity fields of the taxonomy term reference field type.
  */
 public function testTaxonomyTermReferenceItem()
 {
     $tid = $this->term->id();
     // Just being able to create the entity like this verifies a lot of code.
     $entity = entity_create('entity_test');
     $entity->field_test_taxonomy->target_id = $this->term->id();
     $entity->name->value = $this->randomMachineName();
     $entity->save();
     $entity = entity_load('entity_test', $entity->id());
     $this->assertTrue($entity->field_test_taxonomy instanceof FieldItemListInterface, 'Field implements interface.');
     $this->assertTrue($entity->field_test_taxonomy[0] instanceof FieldItemInterface, 'Field item implements interface.');
     $this->assertEqual($entity->field_test_taxonomy->target_id, $this->term->id(), 'Field item contains the expected TID.');
     $this->assertEqual($entity->field_test_taxonomy->entity->getName(), $this->term->getName(), 'Field item entity contains the expected name.');
     $this->assertEqual($entity->field_test_taxonomy->entity->id(), $tid, 'Field item entity contains the expected ID.');
     $this->assertEqual($entity->field_test_taxonomy->entity->uuid(), $this->term->uuid(), 'Field item entity contains the expected UUID.');
     // Change the name of the term via the reference.
     $new_name = $this->randomMachineName();
     $entity->field_test_taxonomy->entity->setName($new_name);
     $entity->field_test_taxonomy->entity->save();
     // Verify it is the correct name.
     $term = Term::load($tid);
     $this->assertEqual($term->getName(), $new_name, 'The name of the term was changed.');
     // Make sure the computed term reflects updates to the term id.
     $term2 = entity_create('taxonomy_term', array('name' => $this->randomMachineName(), 'vid' => $this->term->getVocabularyId(), 'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED));
     $term2->save();
     $entity->field_test_taxonomy->target_id = $term2->id();
     $this->assertEqual($entity->field_test_taxonomy->entity->id(), $term2->id(), 'Field item entity contains the new TID.');
     $this->assertEqual($entity->field_test_taxonomy->entity->getName(), $term2->getName(), 'Field item entity contains the new name.');
     // Test sample item generation.
     $entity = entity_create('entity_test');
     $entity->field_test_taxonomy->generateSampleItems();
     $this->entityValidateAndSave($entity);
 }
 /**
  * Tests the entity reference field type for referencing content entities.
  */
 public function testContentEntityReferenceItem()
 {
     $tid = $this->term->id();
     // Just being able to create the entity like this verifies a lot of code.
     $entity = entity_create('entity_test');
     $entity->field_test_taxonomy_term->target_id = $tid;
     $entity->name->value = $this->randomMachineName();
     $entity->save();
     $entity = entity_load('entity_test', $entity->id());
     $this->assertTrue($entity->field_test_taxonomy_term instanceof FieldItemListInterface, 'Field implements interface.');
     $this->assertTrue($entity->field_test_taxonomy_term[0] instanceof FieldItemInterface, 'Field item implements interface.');
     $this->assertEqual($entity->field_test_taxonomy_term->target_id, $tid);
     $this->assertEqual($entity->field_test_taxonomy_term->entity->getName(), $this->term->getName());
     $this->assertEqual($entity->field_test_taxonomy_term->entity->id(), $tid);
     $this->assertEqual($entity->field_test_taxonomy_term->entity->uuid(), $this->term->uuid());
     // Change the name of the term via the reference.
     $new_name = $this->randomMachineName();
     $entity->field_test_taxonomy_term->entity->setName($new_name);
     $entity->field_test_taxonomy_term->entity->save();
     // Verify it is the correct name.
     $term = entity_load('taxonomy_term', $tid);
     $this->assertEqual($term->getName(), $new_name);
     // Make sure the computed term reflects updates to the term id.
     $term2 = entity_create('taxonomy_term', array('name' => $this->randomMachineName(), 'vid' => $this->term->bundle(), 'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED));
     $term2->save();
     $entity->field_test_taxonomy_term->target_id = $term2->id();
     $this->assertEqual($entity->field_test_taxonomy_term->entity->id(), $term2->id());
     $this->assertEqual($entity->field_test_taxonomy_term->entity->getName(), $term2->getName());
     // Delete terms so we have nothing to reference and try again
     $term->delete();
     $term2->delete();
     $entity = entity_create('entity_test', array('name' => $this->randomMachineName()));
     $entity->save();
 }
 /**
  * Tests the entity reference field type for referencing content entities.
  */
 public function testContentEntityReferenceItem()
 {
     $tid = $this->term->id();
     // Just being able to create the entity like this verifies a lot of code.
     $entity = entity_create('entity_test');
     $entity->field_test_taxonomy_term->target_id = $tid;
     $entity->name->value = $this->randomMachineName();
     $entity->save();
     $entity = entity_load('entity_test', $entity->id());
     $this->assertTrue($entity->field_test_taxonomy_term instanceof FieldItemListInterface, 'Field implements interface.');
     $this->assertTrue($entity->field_test_taxonomy_term[0] instanceof FieldItemInterface, 'Field item implements interface.');
     $this->assertEqual($entity->field_test_taxonomy_term->target_id, $tid);
     $this->assertEqual($entity->field_test_taxonomy_term->entity->getName(), $this->term->getName());
     $this->assertEqual($entity->field_test_taxonomy_term->entity->id(), $tid);
     $this->assertEqual($entity->field_test_taxonomy_term->entity->uuid(), $this->term->uuid());
     // Change the name of the term via the reference.
     $new_name = $this->randomMachineName();
     $entity->field_test_taxonomy_term->entity->setName($new_name);
     $entity->field_test_taxonomy_term->entity->save();
     // Verify it is the correct name.
     $term = Term::load($tid);
     $this->assertEqual($term->getName(), $new_name);
     // Make sure the computed term reflects updates to the term id.
     $term2 = entity_create('taxonomy_term', array('name' => $this->randomMachineName(), 'vid' => $this->term->bundle(), 'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED));
     $term2->save();
     // Test all the possible ways of assigning a value.
     $entity->field_test_taxonomy_term->target_id = $term->id();
     $this->assertEqual($entity->field_test_taxonomy_term->entity->id(), $term->id());
     $this->assertEqual($entity->field_test_taxonomy_term->entity->getName(), $term->getName());
     $entity->field_test_taxonomy_term = [['target_id' => $term2->id()]];
     $this->assertEqual($entity->field_test_taxonomy_term->entity->id(), $term2->id());
     $this->assertEqual($entity->field_test_taxonomy_term->entity->getName(), $term2->getName());
     // Test value assignment via the computed 'entity' property.
     $entity->field_test_taxonomy_term->entity = $term;
     $this->assertEqual($entity->field_test_taxonomy_term->target_id, $term->id());
     $this->assertEqual($entity->field_test_taxonomy_term->entity->getName(), $term->getName());
     $entity->field_test_taxonomy_term = [['entity' => $term2]];
     $this->assertEqual($entity->field_test_taxonomy_term->target_id, $term2->id());
     $this->assertEqual($entity->field_test_taxonomy_term->entity->getName(), $term2->getName());
     // Test assigning an invalid item throws an exception.
     try {
         $entity->field_test_taxonomy_term = ['target_id' => 'invalid', 'entity' => $term2];
         $this->fail('Assigning an invalid item throws an exception.');
     } catch (\InvalidArgumentException $e) {
         $this->pass('Assigning an invalid item throws an exception.');
     }
     // Delete terms so we have nothing to reference and try again
     $term->delete();
     $term2->delete();
     $entity = entity_create('entity_test', array('name' => $this->randomMachineName()));
     $entity->save();
     // Test the generateSampleValue() method.
     $entity = entity_create('entity_test');
     $entity->field_test_taxonomy_term->generateSampleItems();
     $entity->field_test_taxonomy_vocabulary->generateSampleItems();
     $this->entityValidateAndSave($entity);
 }