--- /dev/null
+<?php
+
+namespace Drupal\Tests\node\Kernel;
+
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\node\Entity\NodeType;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests node body field storage.
+ *
+ * @group node
+ */
+class NodeBodyFieldStorageTest extends KernelTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['user', 'system', 'field', 'node', 'text', 'filter'];
+
+ protected function setUp() {
+ parent::setUp();
+ $this->installSchema('system', 'sequences');
+ // Necessary for module uninstall.
+ $this->installSchema('user', 'users_data');
+ $this->installEntitySchema('user');
+ $this->installEntitySchema('node');
+ $this->installConfig(['field', 'node']);
+ }
+
+ /**
+ * Tests node body field storage persistence even if there are no instances.
+ */
+ public function testFieldOverrides() {
+ $field_storage = FieldStorageConfig::loadByName('node', 'body');
+ $this->assertTrue($field_storage, 'Node body field storage exists.');
+ $type = NodeType::create(['name' => 'Ponies', 'type' => 'ponies']);
+ $type->save();
+ node_add_body_field($type);
+ $field_storage = FieldStorageConfig::loadByName('node', 'body');
+ $this->assertTrue(count($field_storage->getBundles()) == 1, 'Node body field storage is being used on the new node type.');
+ $field = FieldConfig::loadByName('node', 'ponies', 'body');
+ $field->delete();
+ $field_storage = FieldStorageConfig::loadByName('node', 'body');
+ $this->assertTrue(count($field_storage->getBundles()) == 0, 'Node body field storage exists after deleting the only instance of a field.');
+ \Drupal::service('module_installer')->uninstall(['node']);
+ $field_storage = FieldStorageConfig::loadByName('node', 'body');
+ $this->assertFalse($field_storage, 'Node body field storage does not exist after uninstalling the Node module.');
+ }
+
+}