--- /dev/null
+<?php
+
+namespace Drupal\Tests\field\Kernel;
+
+use Drupal\entity_test\Entity\EntityTest;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+
+/**
+ * Delete field storages and fields during config synchronization and uninstall
+ * module that provides the field type.
+ *
+ * @group field
+ * @see \Drupal\field\ConfigImporterFieldPurger
+ * @see field_config_import_steps_alter()
+ */
+class FieldImportDeleteUninstallTest extends FieldKernelTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['telephone'];
+
+ protected function setUp() {
+ parent::setUp();
+ // Module uninstall requires users_data tables.
+ // @see drupal_flush_all_caches()
+ // @see user_modules_uninstalled()
+ $this->installSchema('user', ['users_data']);
+ }
+
+ /**
+ * Tests deleting field storages and fields as part of config import.
+ */
+ public function testImportDeleteUninstall() {
+ // Create a field to delete to prove that
+ // \Drupal\field\ConfigImporterFieldPurger does not purge fields that are
+ // not related to the configuration synchronization.
+ $unrelated_field_storage = FieldStorageConfig::create([
+ 'field_name' => 'field_int',
+ 'entity_type' => 'entity_test',
+ 'type' => 'integer',
+ ]);
+ $unrelated_field_storage->save();
+ FieldConfig::create([
+ 'field_storage' => $unrelated_field_storage,
+ 'bundle' => 'entity_test',
+ ])->save();
+
+ // Create a telephone field for validation.
+ $field_storage = FieldStorageConfig::create([
+ 'field_name' => 'field_test',
+ 'entity_type' => 'entity_test',
+ 'type' => 'telephone',
+ ]);
+ $field_storage->save();
+ FieldConfig::create([
+ 'field_storage' => $field_storage,
+ 'bundle' => 'entity_test',
+ ])->save();
+
+ $entity = EntityTest::create();
+ $value = '+0123456789';
+ $entity->field_test = $value;
+ $entity->field_int = '99';
+ $entity->name->value = $this->randomMachineName();
+ $entity->save();
+
+ // Verify entity has been created properly.
+ $id = $entity->id();
+ $entity = EntityTest::load($id);
+ $this->assertEqual($entity->field_test->value, $value);
+ $this->assertEqual($entity->field_test[0]->value, $value);
+ $this->assertEqual($entity->field_int->value, '99');
+
+ // Delete unrelated field before copying configuration and running the
+ // synchronization.
+ $unrelated_field_storage->delete();
+
+ $active = $this->container->get('config.storage');
+ $sync = $this->container->get('config.storage.sync');
+ $this->copyConfig($active, $sync);
+
+ // Stage uninstall of the Telephone module.
+ $core_extension = $this->config('core.extension')->get();
+ unset($core_extension['module']['telephone']);
+ $sync->write('core.extension', $core_extension);
+
+ // Stage the field deletion
+ $sync->delete('field.storage.entity_test.field_test');
+ $sync->delete('field.field.entity_test.entity_test.field_test');
+
+ $steps = $this->configImporter()->initialize();
+ $this->assertIdentical($steps[0], ['\Drupal\field\ConfigImporterFieldPurger', 'process'], 'The additional process configuration synchronization step has been added.');
+
+ // This will purge all the data, delete the field and uninstall the
+ // Telephone module.
+ $this->configImporter()->import();
+
+ $this->assertFalse(\Drupal::moduleHandler()->moduleExists('telephone'));
+ $this->assertFalse(\Drupal::entityManager()->loadEntityByUuid('field_storage_config', $field_storage->uuid()), 'The test field has been deleted by the configuration synchronization');
+ $deleted_storages = \Drupal::state()->get('field.storage.deleted') ?: [];
+ $this->assertFalse(isset($deleted_storages[$field_storage->uuid()]), 'Telephone field has been completed removed from the system.');
+ $this->assertTrue(isset($deleted_storages[$unrelated_field_storage->uuid()]), 'Unrelated field not purged by configuration synchronization.');
+ }
+
+ /**
+ * Tests purging already deleted field storages and fields during a config
+ * import.
+ */
+ public function testImportAlreadyDeletedUninstall() {
+ // Create a telephone field for validation.
+ $field_storage = FieldStorageConfig::create([
+ 'field_name' => 'field_test',
+ 'entity_type' => 'entity_test',
+ 'type' => 'telephone',
+ ]);
+ $field_storage->save();
+ $field_storage_uuid = $field_storage->uuid();
+ FieldConfig::create([
+ 'field_storage' => $field_storage,
+ 'bundle' => 'entity_test',
+ ])->save();
+
+ // Create 12 entities to ensure that the purging works as expected.
+ for ($i = 0; $i < 12; $i++) {
+ $entity = EntityTest::create();
+ $value = '+0123456789';
+ $entity->field_test = $value;
+ $entity->name->value = $this->randomMachineName();
+ $entity->save();
+
+ // Verify entity has been created properly.
+ $id = $entity->id();
+ $entity = EntityTest::load($id);
+ $this->assertEqual($entity->field_test->value, $value);
+ }
+
+ // Delete the field.
+ $field_storage->delete();
+
+ $active = $this->container->get('config.storage');
+ $sync = $this->container->get('config.storage.sync');
+ $this->copyConfig($active, $sync);
+
+ // Stage uninstall of the Telephone module.
+ $core_extension = $this->config('core.extension')->get();
+ unset($core_extension['module']['telephone']);
+ $sync->write('core.extension', $core_extension);
+
+ $deleted_storages = \Drupal::state()->get('field.storage.deleted') ?: [];
+ $this->assertTrue(isset($deleted_storages[$field_storage_uuid]), 'Field has been deleted and needs purging before configuration synchronization.');
+
+ $steps = $this->configImporter()->initialize();
+ $this->assertIdentical($steps[0], ['\Drupal\field\ConfigImporterFieldPurger', 'process'], 'The additional process configuration synchronization step has been added.');
+
+ // This will purge all the data, delete the field and uninstall the
+ // Telephone module.
+ $this->configImporter()->import();
+
+ $this->assertFalse(\Drupal::moduleHandler()->moduleExists('telephone'));
+ $deleted_storages = \Drupal::state()->get('field.storage.deleted') ?: [];
+ $this->assertFalse(isset($deleted_storages[$field_storage_uuid]), 'Field has been completed removed from the system.');
+ }
+
+}