function EntityReferenceFormatterTest::testFormatterReferencingItem

Tests formatters set the correct _referringItem on referenced entities.

File

core/modules/field/tests/src/Kernel/EntityReference/EntityReferenceFormatterTest.php, line 430

Class

EntityReferenceFormatterTest

Tests the formatters functionality.

Namespace

Code

public function testFormatterReferencingItem() : void {
  $storage = \Drupal::entityTypeManager()->getStorage($this->entityType);
  // Create a referencing entity and confirm that the _referringItem property
  // on the referenced entity in the built render array's items is set to the
  // field item on the referencing entity.
  $referencing_entity_1 = $storage->create([
    'name' => $this->randomMachineName(),
    $this->fieldName => $this->referencedEntity,
  ]);
  $referencing_entity_1->save();
  $build_1 = $referencing_entity_1->get($this->fieldName)
    ->view([
    'type' => 'entity_reference_entity_view',
  ]);
  $this->assertEquals($this->referencedEntity
    ->id(), $build_1['#items'][0]->entity
    ->id());
  $this->assertEquals($referencing_entity_1->id(), $build_1['#items'][0]->entity->_referringItem
    ->getEntity()
    ->id());
  $this->assertEquals($referencing_entity_1->id(), $build_1[0]['#' . $this->entityType]->_referringItem
    ->getEntity()
    ->id());
  // Create a second referencing entity and confirm that the _referringItem
  // property on the referenced entity in the built render array's items is
  // set to the field item on the second referencing entity.
  $referencing_entity_2 = $storage->create([
    'name' => $this->randomMachineName(),
    $this->fieldName => $this->referencedEntity,
  ]);
  $referencing_entity_2->save();
  $build_2 = $referencing_entity_2->get($this->fieldName)
    ->view([
    'type' => 'entity_reference_entity_view',
  ]);
  $this->assertEquals($this->referencedEntity
    ->id(), $build_2['#items'][0]->entity
    ->id());
  $this->assertEquals($referencing_entity_2->id(), $build_2['#items'][0]->entity->_referringItem
    ->getEntity()
    ->id());
  $this->assertEquals($referencing_entity_2->id(), $build_2[0]['#' . $this->entityType]->_referringItem
    ->getEntity()
    ->id());
  // Confirm that the _referringItem property for the entity referenced by the
  // first referencing entity is still set to the field item on the first
  // referencing entity.
  $this->assertEquals($referencing_entity_1->id(), $build_1['#items'][0]->entity->_referringItem
    ->getEntity()
    ->id());
  // Confirm that the _referringItem property is not the same for the two
  // render arrays.
  $this->assertNotEquals($build_1['#items'][0]->entity->_referringItem
    ->getEntity()
    ->id(), $build_2['#items'][0]->entity->_referringItem
    ->getEntity()
    ->id());
}