class FieldEntitySettingsTest

class FieldEntitySettingsTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'entity_test',
        'field',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        EntityTestBundle::create([
            'id' => 'test',
            'label' => 'Test',
        ])->save();
    }
    
    /**
     * @group legacy
     */
    public function testFieldEntitiesCarryDefaultSettings() : void {
        
        /** @var \Drupal\field\FieldStorageConfigInterface $field_storage */
        $field_storage = FieldStorageConfig::create([
            'type' => 'integer',
            'entity_type' => 'entity_test_with_bundle',
            'field_name' => 'test',
        ]);
        $field = FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'test',
        ]);
        
        /** @var \Drupal\Core\Field\FieldTypePluginManagerInterface $plugin_manager */
        $plugin_manager = $this->container
            ->get('plugin.manager.field.field_type');
        $default_storage_settings = $plugin_manager->getDefaultStorageSettings('integer');
        $default_field_settings = $plugin_manager->getDefaultFieldSettings('integer');
        // Both entities should have the complete, default settings for their
        // field type.
        $this->assertSame($default_storage_settings, $field_storage->get('settings'));
        $this->assertSame($default_field_settings, $field->get('settings'));
        // If we try to set incomplete settings, the existing values should be
        // retained.
        $storage_settings = $field_storage->setSettings([
            'size' => 'big',
        ])
            ->get('settings');
        // There should be no missing settings.
        $missing_storage_settings = array_diff_key($default_storage_settings, $storage_settings);
        $this->assertEmpty($missing_storage_settings);
        // The value we set should be remembered.
        $this->assertSame('big', $storage_settings['size']);
        $field_settings = $field->setSetting('min', 10)
            ->getSettings();
        $missing_field_settings = array_diff_key($default_field_settings, $field_settings);
        $this->assertEmpty($missing_field_settings);
        $this->assertSame(10, $field_settings['min']);
        $field_settings = $field->setSettings([
            'max' => 39,
        ])
            ->get('settings');
        $missing_field_settings = array_diff_key($default_field_settings, $field_settings);
        $this->assertEmpty($missing_field_settings);
        $this->assertSame(39, $field_settings['max']);
        // Test that saving settings with incomplete settings is not triggering
        // error, and values are retained.
        $field_storage->save();
        $missing_storage_settings = array_diff_key($default_storage_settings, $storage_settings);
        $this->assertEmpty($missing_storage_settings);
        // The value we set should be remembered.
        $this->assertSame('big', $storage_settings['size']);
        $field->save();
        $missing_field_settings = array_diff_key($default_field_settings, $field_settings);
        $this->assertEmpty($missing_field_settings);
        $this->assertSame(39, $field_settings['max']);
    }
    
    /**
     * Tests entity reference settings are normalized on field creation and save.
     */
    public function testEntityReferenceSettingsNormalized() : void {
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'test_reference',
            'type' => 'entity_reference',
            'entity_type' => 'entity_test_with_bundle',
            'cardinality' => 1,
            'settings' => [
                'target_type' => 'entity_test_with_bundle',
            ],
        ]);
        $field_storage->save();
        $field = FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'test',
            'label' => 'Test Reference',
            'settings' => [
                'handler' => 'default',
            ],
        ]);
        $this->assertSame('default:entity_test_with_bundle', $field->getSetting('handler'));
        // If the handler is changed, it should be normalized again on pre-save.
        $field->setSetting('handler', 'default')
            ->save();
        $this->assertSame('default:entity_test_with_bundle', $field->getSetting('handler'));
    }

}