BaseFieldOverrideTest.php

<?php

namespace Drupal\KernelTests\Core\Field\Entity;

use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Field\Entity\BaseFieldOverride;
use Drupal\Core\Field\FieldItemList;
use Drupal\entity_test\Entity\EntityTest;
use Drupal\KernelTests\KernelTestBase;

/**
 * @coversDefaultClass \Drupal\Core\Field\Entity\BaseFieldOverride
 * @group Field
 */
class BaseFieldOverrideTest extends KernelTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    public static $modules = [
        'system',
        'user',
        'entity_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->installEntitySchema('base_field_override');
    }
    
    /**
     * @covers ::getClass
     *
     * @dataProvider getClassTestCases
     */
    public function testGetClass($field_type, $base_field_class, $expected_override_class) {
        $base_field = BaseFieldDefinition::create($field_type)->setName('Test Field')
            ->setTargetEntityTypeId('entity_test');
        if ($base_field_class) {
            $base_field->setClass($base_field_class);
        }
        $override = BaseFieldOverride::createFromBaseFieldDefinition($base_field, 'test_bundle');
        $this->assertEquals($expected_override_class, ltrim($override->getClass(), '\\'));
    }
    
    /**
     * Test cases for ::testGetClass.
     */
    public function getClassTestCases() {
        return [
            'String (default class)' => [
                'string',
                FALSE,
                FieldItemList::class,
            ],
            'String (overriden class)' => [
                'string',
                static::class,
                static::class,
            ],
        ];
    }
    
    /**
     * Test the default value callback.
     */
    public function testDefaultValueCallback() {
        $base_field = BaseFieldDefinition::create('entity_reference')->setName('Test Field')
            ->setTargetEntityTypeId('entity_test')
            ->setDefaultValueCallback(static::class . '::defaultValueCallbackPrimitive');
        $base_field_override = BaseFieldOverride::createFromBaseFieldDefinition($base_field, 'test_bundle');
        $entity = EntityTest::create([]);
        $this->assertEquals([
            [
                'target_id' => 99,
            ],
        ], $base_field->getDefaultValue($entity));
        $this->assertEquals([
            [
                'target_id' => 99,
            ],
        ], $base_field_override->getDefaultValue($entity));
    }
    
    /**
     * A default value callback which returns a primitive value.
     *
     * @return int
     *   A primitive default value.
     */
    public static function defaultValueCallbackPrimitive() {
        return 99;
    }

}