assertSavedFieldItemValue example

  public function testSaveWorkflow() {
    $entity = EntityTestMulRev::create([
      'name' => $this->randomString(),
      'field_test_item' => $this->randomString(),
      $this->fieldName => $this->randomString(),
    ]);

    // Save a new entity and verify that the initial field value is overwritten     // with a value containing the entity id, which implies a resave. Check that     // the entity data structure and the stored values match.     $this->assertSavedFieldItemValue($entity, "field_test:{$this->fieldName}:1:1");

    // Update the entity and verify that the field value is overwritten on     // presave if it is not resaved.     $this->assertSavedFieldItemValue($entity, 'overwritten');

    // Flag the field value as needing to be resaved and verify it actually is.     $entity->field_test_item->value = $entity->{$this->fieldName}->value = 'resave';
    $this->assertSavedFieldItemValue($entity, "field_test:{$this->fieldName}:1:3");
  }

  /** * Checks that the saved field item value matches the expected one. * * @param \Drupal\entity_test\Entity\EntityTest $entity * The test entity. * @param string $expected_value * The expected field item value. * * @internal */