class FieldImportDeleteUninstallTest

class FieldImportDeleteUninstallTest extends FieldKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'telephone',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        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() : void {
        // 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);
        $this->assertEquals($value, $entity->field_test->value);
        $this->assertEquals($value, $entity->field_test[0]->value);
        $this->assertEquals('99', $entity->field_int->value);
        // 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->assertSame([
            '\\Drupal\\field\\ConfigImporterFieldPurger',
            'process',
        ], $steps[0], '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->assertNull(\Drupal::service('entity.repository')->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 previously deleted fields and storages in config import.
     */
    public function testImportAlreadyDeletedUninstall() : void {
        // 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);
            $this->assertEquals($value, $entity->field_test->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->assertSame([
            '\\Drupal\\field\\ConfigImporterFieldPurger',
            'process',
        ], $steps[0], '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.');
    }

}