--- /dev/null
+<?php
+
+namespace Drupal\Tests\field\Functional;
+
+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 through the UI.
+ *
+ * @group field
+ * @see \Drupal\field\ConfigImporterFieldPurger
+ * @see field_config_import_steps_alter()
+ * @see field_form_config_admin_import_form_alter()
+ */
+class FieldImportDeleteUninstallUiTest extends FieldTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['entity_test', 'telephone', 'config', 'filter', 'datetime'];
+
+ protected function setUp() {
+ parent::setUp();
+
+ $this->drupalLogin($this->drupalCreateUser(['synchronize configuration']));
+ }
+
+ /**
+ * Tests deleting field storages and fields as part of config import.
+ */
+ public function testImportDeleteUninstall() {
+ // Create a telephone field.
+ $field_storage = FieldStorageConfig::create([
+ 'field_name' => 'field_tel',
+ 'entity_type' => 'entity_test',
+ 'type' => 'telephone',
+ ]);
+ $field_storage->save();
+ FieldConfig::create([
+ 'field_storage' => $field_storage,
+ 'bundle' => 'entity_test',
+ ])->save();
+
+ // Create a text field.
+ $date_field_storage = FieldStorageConfig::create([
+ 'field_name' => 'field_date',
+ 'entity_type' => 'entity_test',
+ 'type' => 'datetime',
+ ]);
+ $date_field_storage->save();
+ FieldConfig::create([
+ 'field_storage' => $date_field_storage,
+ 'bundle' => 'entity_test',
+ ])->save();
+
+ // Create an entity which has values for the telephone and text field.
+ $entity = EntityTest::create();
+ $value = '+0123456789';
+ $entity->field_tel = $value;
+ $entity->field_date = time();
+ $entity->name->value = $this->randomMachineName();
+ $entity->save();
+
+ // Delete the text field before exporting configuration so that we can test
+ // that deleted fields that are provided by modules that will be uninstalled
+ // are also purged and that the UI message includes such fields.
+ $date_field_storage->delete();
+
+ // Verify entity has been created properly.
+ $id = $entity->id();
+ $entity = EntityTest::load($id);
+ $this->assertEqual($entity->field_tel->value, $value);
+ $this->assertEqual($entity->field_tel[0]->value, $value);
+
+ $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_tel');
+ $sync->delete('field.field.entity_test.entity_test.field_tel');
+ $this->drupalGet('admin/config/development/configuration');
+ // Test that the message for one field being purged during a configuration
+ // synchronization is correct.
+ $this->assertText('This synchronization will delete data from the field entity_test.field_tel.');
+
+ // Stage an uninstall of the datetime module to test the message for
+ // multiple fields.
+ unset($core_extension['module']['datetime']);
+ $sync->write('core.extension', $core_extension);
+
+ $this->drupalGet('admin/config/development/configuration');
+ $this->assertText('This synchronization will delete data from the fields: entity_test.field_tel, entity_test.field_date.');
+
+ // This will purge all the data, delete the field and uninstall the
+ // Telephone and Text modules.
+ $this->drupalPostForm(NULL, [], t('Import all'));
+ $this->assertNoText('Field data will be deleted by this synchronization.');
+ $this->rebuildContainer();
+ $this->assertFalse(\Drupal::moduleHandler()->moduleExists('telephone'));
+ $this->assertFalse(\Drupal::entityManager()->loadEntityByUuid('field_storage_config', $field_storage->uuid()), 'The telephone 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.');
+ $this->assertFalse(isset($deleted_storages[$field_storage->uuid()]), 'Text field has been completed removed from the system.');
+ }
+
+}