TypedDataDefinitionTest.php

<?php

namespace Drupal\KernelTests\Core\TypedData;

use Drupal\Core\TypedData\ComplexDataDefinitionInterface;
use Drupal\Core\TypedData\DataDefinition;
use Drupal\Core\TypedData\DataDefinitionInterface;
use Drupal\Core\TypedData\DataReferenceDefinition;
use Drupal\Core\TypedData\DataReferenceDefinitionInterface;
use Drupal\Core\TypedData\ListDataDefinition;
use Drupal\Core\TypedData\ListDataDefinitionInterface;
use Drupal\Core\TypedData\MapDataDefinition;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests deriving metadata of core data types.
 *
 * @group TypedData
 */
class TypedDataDefinitionTest extends KernelTestBase {
    
    /**
     * The typed data manager to use.
     *
     * @var \Drupal\Core\TypedData\TypedDataManager
     */
    protected $typedDataManager;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->typedDataManager = $this->container
            ->get('typed_data_manager');
    }
    
    /**
     * Tests deriving metadata about list items.
     */
    public function testLists() {
        $list_definition = ListDataDefinition::create('string');
        $this->assertInstanceOf(ListDataDefinitionInterface::class, $list_definition);
        $item_definition = $list_definition->getItemDefinition();
        $this->assertInstanceOf(DataDefinitionInterface::class, $item_definition);
        $this->assertEquals('string', $item_definition->getDataType());
        // Test using the definition factory.
        $list_definition2 = $this->typedDataManager
            ->createListDataDefinition('string');
        $this->assertInstanceOf(ListDataDefinitionInterface::class, $list_definition2);
        $this->assertEquals($list_definition, $list_definition2);
        // Test creating the definition of data with type 'list', which is the same
        // as creating a definition of a list of items of type 'any'.
        $list_definition = $this->typedDataManager
            ->createDataDefinition('list');
        $this->assertInstanceOf(ListDataDefinitionInterface::class, $list_definition);
        $this->assertEquals('list', $list_definition->getDataType());
        $this->assertEquals('any', $list_definition->getItemDefinition()
            ->getDataType());
    }
    
    /**
     * Tests deriving metadata about maps.
     */
    public function testMaps() {
        $map_definition = MapDataDefinition::create()->setPropertyDefinition('one', DataDefinition::create('string'))
            ->setPropertyDefinition('two', DataDefinition::create('string'))
            ->setPropertyDefinition('three', DataDefinition::create('string'));
        $this->assertInstanceOf(ComplexDataDefinitionInterface::class, $map_definition);
        // Test retrieving metadata about contained properties.
        $this->assertEquals([
            'one',
            'two',
            'three',
        ], array_keys($map_definition->getPropertyDefinitions()));
        $this->assertEquals('string', $map_definition->getPropertyDefinition('one')
            ->getDataType());
        $this->assertNull($map_definition->getMainPropertyName());
        $this->assertNull($map_definition->getPropertyDefinition('invalid'));
        // Test using the definition factory.
        $map_definition2 = $this->typedDataManager
            ->createDataDefinition('map');
        $this->assertInstanceOf(ComplexDataDefinitionInterface::class, $map_definition2);
        $map_definition2->setPropertyDefinition('one', DataDefinition::create('string'))
            ->setPropertyDefinition('two', DataDefinition::create('string'))
            ->setPropertyDefinition('three', DataDefinition::create('string'));
        $this->assertEquals(serialize($map_definition2), serialize($map_definition));
    }
    
    /**
     * Tests deriving metadata from data references.
     */
    public function testDataReferences() {
        $language_reference_definition = DataReferenceDefinition::create('language');
        $this->assertInstanceOf(DataReferenceDefinitionInterface::class, $language_reference_definition);
        // Test retrieving metadata about the referenced data.
        $this->assertEquals('language', $language_reference_definition->getTargetDefinition()
            ->getDataType());
        // Test using the definition factory.
        $language_reference_definition2 = $this->typedDataManager
            ->createDataDefinition('language_reference');
        $this->assertInstanceOf(DataReferenceDefinitionInterface::class, $language_reference_definition2);
        $this->assertEquals(serialize($language_reference_definition2), serialize($language_reference_definition));
    }

}