EntityKeysTest.php

<?php

namespace Drupal\KernelTests\Core\Entity;

use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\entity_test\Entity\EntityTest;

/**
 * Test the behavior of entity keys.
 *
 * @group entity
 */
class EntityKeysTest extends EntityKernelTestBase {
    
    /**
     * Tests the cache when multiple keys reference a single field.
     *
     * @dataProvider multipleKeysCacheTestCases
     */
    public function testMultipleKeysCache($translatable) {
        $this->state
            ->set('entity_test.additional_base_field_definitions', [
            'test_field' => BaseFieldDefinition::create('string')->setTranslatable($translatable),
        ]);
        $this->state
            ->set('entity_test.entity_keys', [
            'key_1' => 'test_field',
            'key_2' => 'test_field',
        ]);
        $this->installEntitySchema('entity_test');
        $entity = EntityTest::create([]);
        $entity->set('test_field', 'foo');
        $this->assertEquals('foo', $entity->getEntityKey('key_1'));
        $this->assertEquals('foo', $entity->getEntityKey('key_2'));
        $entity->set('test_field', 'bar');
        $this->assertEquals('bar', $entity->getEntityKey('key_1'));
        $this->assertEquals('bar', $entity->getEntityKey('key_2'));
    }
    
    /**
     * Data provider for ::testMultipleKeysCache.
     */
    public function multipleKeysCacheTestCases() {
        return [
            'translatable Entity Key' => [
                TRUE,
            ],
            'Non-translatable entity key' => [
                FALSE,
            ],
        ];
    }

}