/**
* Tests the entity reference field type for referencing config entities.
*/
public function testConfigEntityReferenceItem()
{
$referenced_entity_id = $this->vocabulary->id();
// Just being able to create the entity like this verifies a lot of code.
$entity = EntityTest::create();
$entity->field_test_taxonomy_vocabulary->target_id = $referenced_entity_id;
$entity->name->value = $this->randomMachineName();
$entity->save();
$entity = entity_load('entity_test', $entity->id());
$this->assertTrue($entity->field_test_taxonomy_vocabulary instanceof FieldItemListInterface, 'Field implements interface.');
$this->assertTrue($entity->field_test_taxonomy_vocabulary[0] instanceof FieldItemInterface, 'Field item implements interface.');
$this->assertEqual($entity->field_test_taxonomy_vocabulary->target_id, $referenced_entity_id);
$this->assertEqual($entity->field_test_taxonomy_vocabulary->entity->label(), $this->vocabulary->label());
$this->assertEqual($entity->field_test_taxonomy_vocabulary->entity->id(), $referenced_entity_id);
$this->assertEqual($entity->field_test_taxonomy_vocabulary->entity->uuid(), $this->vocabulary->uuid());
// Change the name of the term via the reference.
$new_name = $this->randomMachineName();
$entity->field_test_taxonomy_vocabulary->entity->set('name', $new_name);
$entity->field_test_taxonomy_vocabulary->entity->save();
// Verify it is the correct name.
$vocabulary = Vocabulary::load($referenced_entity_id);
$this->assertEqual($vocabulary->label(), $new_name);
// Make sure the computed term reflects updates to the term id.
$vocabulary2 = $vocabulary = Vocabulary::create(['name' => $this->randomMachineName(), 'vid' => Unicode::strtolower($this->randomMachineName()), 'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED]);
$vocabulary2->save();
$entity->field_test_taxonomy_vocabulary->target_id = $vocabulary2->id();
$this->assertEqual($entity->field_test_taxonomy_vocabulary->entity->id(), $vocabulary2->id());
$this->assertEqual($entity->field_test_taxonomy_vocabulary->entity->label(), $vocabulary2->label());
// Delete terms so we have nothing to reference and try again
$this->vocabulary->delete();
$vocabulary2->delete();
$entity = EntityTest::create(array('name' => $this->randomMachineName()));
$entity->save();
}
