class TranslatableFieldTest

class TranslatableFieldTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'layout_discovery',
        'layout_builder',
        'entity_test',
        'field',
        'system',
        'user',
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('entity_test');
        // Create a translation.
        ConfigurableLanguage::createFromLangcode('es')->save();
        LayoutBuilderEntityViewDisplay::create([
            'targetEntityType' => 'entity_test',
            'bundle' => 'entity_test',
            'mode' => 'default',
            'status' => TRUE,
        ])->enableLayoutBuilder()
            ->setOverridable()
            ->save();
        FieldStorageConfig::loadByName('entity_test', OverridesSectionStorage::FIELD_NAME)->setTranslatable(TRUE)
            ->save();
        FieldConfig::loadByName('entity_test', 'entity_test', OverridesSectionStorage::FIELD_NAME)->setTranslatable(TRUE)
            ->save();
    }
    
    /**
     * Tests that sections on cleared when creating a new translation.
     */
    public function testSectionsClearedOnCreateTranslation() {
        $section_data = [
            new Section('layout_onecol', [], [
                'first-uuid' => new SectionComponent('first-uuid', 'content', [
                    'id' => 'foo',
                ]),
            ]),
        ];
        $entity = EntityTest::create([
            OverridesSectionStorage::FIELD_NAME => $section_data,
        ]);
        $entity->save();
        $this->assertFalse($entity->get(OverridesSectionStorage::FIELD_NAME)
            ->isEmpty());
        $entity = EntityTest::load($entity->id());
        
        /** @var \Drupal\entity_test\Entity\EntityTest $translation */
        $translation = $entity->addTranslation('es', $entity->toArray());
        // Per-language layouts are not supported.
        $this->assertTrue($translation->get(OverridesSectionStorage::FIELD_NAME)
            ->isEmpty());
    }

}