function BaseFieldDefinitionTest::testFieldDefaultValue

Tests field default value.

@covers ::getDefaultValue
@covers ::setDefaultValue

File

core/tests/Drupal/Tests/Core/Entity/BaseFieldDefinitionTest.php, line 162

Class

BaseFieldDefinitionTest

Unit test for BaseFieldDefinition.

Namespace

Code

public function testFieldDefaultValue() : void {
  $definition = BaseFieldDefinition::create($this->fieldType);
  $default_value = [
    'value' => $this->randomMachineName(),
  ];
  $expected_default_value = [
    $default_value,
  ];
  $definition->setDefaultValue($default_value);
  $entity = $this->getMockBuilder(ContentEntityBaseMockableClass::class)
    ->disableOriginalConstructor()
    ->onlyMethods([])
    ->getMock();
  // Set the field item list class to be used to avoid requiring the typed
  // data manager to retrieve it.
  $definition->setClass('Drupal\\Core\\Field\\FieldItemList');
  $definition->setItemDefinition(DataDefinition::createFromDataType('string')->setClass(FieldItemBase::class));
  $this->assertEquals($expected_default_value, $definition->getDefaultValue($entity));
  $data_definition = $this->getMockBuilder('Drupal\\Core\\TypedData\\DataDefinition')
    ->disableOriginalConstructor()
    ->getMock();
  $data_definition->expects($this->any())
    ->method('getClass')
    ->willReturn('Drupal\\Core\\Field\\FieldItemBase');
  $definition->setItemDefinition($data_definition);
  // Set default value only with a literal.
  $definition->setDefaultValue($default_value['value']);
  $this->assertEquals($expected_default_value, $definition->getDefaultValue($entity));
  // Set default value with an indexed array.
  $definition->setDefaultValue($expected_default_value);
  $this->assertEquals($expected_default_value, $definition->getDefaultValue($entity));
  // Set default value with an empty array.
  $definition->setDefaultValue([]);
  $this->assertEquals([], $definition->getDefaultValue($entity));
  // Set default value with NULL.
  $definition->setDefaultValue(NULL);
  $this->assertEquals([], $definition->getDefaultValue($entity));
}