function FieldAttachStorageTest::testFieldAttachSaveEmptyDataDefaultValue

Tests insert with empty or NULL fields, with default value.

File

core/modules/field/tests/src/Kernel/FieldAttachStorageTest.php, line 200

Class

FieldAttachStorageTest

Tests storage-related Field Attach API functions.

Namespace

Code

public function testFieldAttachSaveEmptyDataDefaultValue() : void {
  $entity_type = 'entity_test_rev';
  $this->createFieldWithStorage('', $entity_type);
  // Add a default value function.
  $this->fieldTestData->field
    ->set('default_value_callback', 'field_test_default_value');
  $this->fieldTestData->field
    ->save();
  // Verify that fields are populated with default values.
  $entity_init = $this->container
    ->get('entity_type.manager')
    ->getStorage($entity_type)
    ->create([
    'id' => 1,
    'revision_id' => 1,
  ]);
  $default = field_test_default_value($entity_init, $this->fieldTestData->field);
  $this->assertEquals($default, $entity_init->{$this->fieldTestData->field_name}
    ->getValue(), 'Default field value correctly populated.');
  // Insert: Field is NULL.
  $entity = clone $entity_init;
  $entity->{$this->fieldTestData->field_name} = NULL;
  $entity->enforceIsNew();
  $entity = $this->entitySaveReload($entity);
  $this->assertTrue($entity->{$this->fieldTestData->field_name}
    ->isEmpty(), 'Insert: NULL field results in no value saved');
  // Verify that prepopulated field values are not overwritten by defaults.
  $value = [
    [
      'value' => $default[0]['value'] - mt_rand(1, 127),
    ],
  ];
  $entity = $this->container
    ->get('entity_type.manager')
    ->getStorage($entity_type)
    ->create([
    'type' => $entity_init->bundle(),
    $this->fieldTestData->field_name => $value,
  ]);
  $this->assertEquals($value, $entity->{$this->fieldTestData->field_name}
    ->getValue(), 'Prepopulated field value correctly maintained.');
}