1<?php 2 3namespace Drupal\Tests\Core\Database\Stub; 4 5use Drupal\Core\Database\Connection; 6use Drupal\Core\Database\StatementEmpty; 7 8/** 9 * A stub of the abstract Connection class for testing purposes. 10 * 11 * Includes minimal implementations of Connection's abstract methods. 12 */ 13class StubConnection extends Connection { 14 15 /** 16 * Public property so we can test driver loading mechanism. 17 * 18 * @var string 19 * @see driver(). 20 */ 21 public $driver = 'stub'; 22 23 /** 24 * {@inheritdoc} 25 */ 26 public function queryRange($query, $from, $count, array $args = [], array $options = []) { 27 return new StatementEmpty(); 28 } 29 30 /** 31 * {@inheritdoc} 32 */ 33 public function queryTemporary($query, array $args = [], array $options = []) { 34 return ''; 35 } 36 37 /** 38 * {@inheritdoc} 39 */ 40 public function driver() { 41 return $this->driver; 42 } 43 44 /** 45 * {@inheritdoc} 46 */ 47 public function databaseType() { 48 return 'stub'; 49 } 50 51 /** 52 * {@inheritdoc} 53 */ 54 public function createDatabase($database) {} 55 56 /** 57 * {@inheritdoc} 58 */ 59 public function mapConditionOperator($operator) { 60 return NULL; 61 } 62 63 /** 64 * {@inheritdoc} 65 */ 66 public function nextId($existing_id = 0) { 67 return 0; 68 } 69 70} 71