function FieldAttachStorageTest::testFieldAttachSaveLoad

Same name and namespace in other branches
  1. 9 core/modules/field/tests/src/Kernel/FieldAttachStorageTest.php \Drupal\Tests\field\Kernel\FieldAttachStorageTest::testFieldAttachSaveLoad()
  2. 8.9.x core/modules/field/tests/src/Kernel/FieldAttachStorageTest.php \Drupal\Tests\field\Kernel\FieldAttachStorageTest::testFieldAttachSaveLoad()
  3. 11.x core/modules/field/tests/src/Kernel/FieldAttachStorageTest.php \Drupal\Tests\field\Kernel\FieldAttachStorageTest::testFieldAttachSaveLoad()

Check field values insert, update and load.

Works independently of the underlying field storage backend. Inserts or updates random field data and then loads and verifies the data.

File

core/modules/field/tests/src/Kernel/FieldAttachStorageTest.php, line 32

Class

FieldAttachStorageTest
Tests storage-related Field Attach API functions.

Namespace

Drupal\Tests\field\Kernel

Code

public function testFieldAttachSaveLoad() : void {
  $entity_type = 'entity_test_rev';
  $this->createFieldWithStorage('', $entity_type);
  $cardinality = $this->fieldTestData->field_storage
    ->getCardinality();
  // @todo Test empty values filtering and "compression" (store consecutive deltas).
  // Preparation: create three revisions and store them in $revision array.
  $values = [];
  $entity = $this->container
    ->get('entity_type.manager')
    ->getStorage($entity_type)
    ->create();
  for ($revision_id = 0; $revision_id < 3; $revision_id++) {
    // Note: we try to insert one extra value.
    $current_values = $this->_generateTestFieldValues($cardinality + 1);
    $entity->{$this->fieldTestData->field_name}
      ->setValue($current_values);
    $entity->setNewRevision();
    $entity->save();
    $entity_id = $entity->id();
    $current_revision = $entity->getRevisionId();
    $values[$current_revision] = $current_values;
  }
  /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
  $storage = $this->container
    ->get('entity_type.manager')
    ->getStorage($entity_type);
  $storage->resetCache();
  $entity = $storage->load($entity_id);
  // Confirm current revision loads the correct data.
  // Number of values per field loaded equals the field cardinality.
  $this->assertCount($cardinality, $entity->{$this->fieldTestData->field_name}, 'Current revision: expected number of values');
  for ($delta = 0; $delta < $cardinality; $delta++) {
    // The field value loaded matches the one inserted or updated.
    $this->assertEquals($values[$current_revision][$delta]['value'], $entity->{$this->fieldTestData->field_name}[$delta]->value, "Current revision: expected value {$delta} was found.");
  }
  // Confirm each revision loads the correct data.
  foreach (array_keys($values) as $revision_id) {
    $entity = $storage->loadRevision($revision_id);
    // Number of values per field loaded equals the field cardinality.
    $this->assertCount($cardinality, $entity->{$this->fieldTestData->field_name}, "Revision {$revision_id}: expected number of values.");
    for ($delta = 0; $delta < $cardinality; $delta++) {
      // The field value loaded matches the one inserted or updated.
      $this->assertEquals($values[$revision_id][$delta]['value'], $entity->{$this->fieldTestData->field_name}[$delta]->value, "Revision {$revision_id}: expected value {$delta} was found.");
    }
  }
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.