Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.3.x will end 7 October 2024 (12 months).
  • Bug fixes for security issues in 4.3.x will end 21 April 2025 (18 months).
  • PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.2.x is supported too.

Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403] [Versions 400 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Database driver test class for testing moodle_read_slave_trait
  19   *
  20   * @package    core
  21   * @category   dml
  22   * @copyright  2018 Srdjan Janković, Catalyst IT
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  namespace core;
  27  
  28  defined('MOODLE_INTERNAL') || die();
  29  
  30  require_once (__DIR__.'/read_slave_moodle_database.php');
  31  
  32  /**
  33   * Database driver mock test class that uses read_slave_moodle_recordset_special
  34   *
  35   * @package    core
  36   * @category   dml
  37   * @copyright  2018 Catalyst IT
  38   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39   */
  40  class read_slave_moodle_database_special extends read_slave_moodle_database {
  41      /**
  42       * Returns empty array
  43       * @param string $sql the SQL select query to execute.
  44       * @param array $params array of sql parameters
  45       * @param int $limitfrom return a subset of records, starting at this point (optional).
  46       * @param int $limitnum return a subset comprising this many records (optional, required if $limitfrom is set).
  47       * @return string $handle handle property
  48       */
  49      public function get_records_sql($sql, array $params = null, $limitfrom = 0, $limitnum = 0) {
  50          $dbhandle = parent::get_records_sql($sql, $params);
  51          return [];
  52      }
  53  
  54      /**
  55       * Returns read_slave_moodle_database::get_records_sql()
  56       * For the tests where we need both fake result and dbhandle info.
  57       * @param string $sql the SQL select query to execute.
  58       * @param array $params array of sql parameters
  59       * @param int $limitfrom return a subset of records, starting at this point (optional).
  60       * @param int $limitnum return a subset comprising this many records (optional, required if $limitfrom is set).
  61       * @return string $handle handle property
  62       */
  63      public function get_records_sql_p($sql, array $params = null, $limitfrom = 0, $limitnum = 0) {
  64          return parent::get_records_sql($sql, $params);
  65      }
  66  
  67      /**
  68       * Returns fake recordset
  69       * @param string $sql
  70       * @param array $params
  71       * @param int $limitfrom
  72       * @param int $limitnum
  73       * @return bool true
  74       */
  75      public function get_recordset_sql($sql, array $params = null, $limitfrom = 0, $limitnum = 0) {
  76          $dbhandle = parent::get_recordset_sql($sql, $params);
  77          return new read_slave_moodle_recordset_special();
  78      }
  79  
  80      /**
  81       * Count the records in a table where all the given conditions met.
  82       *
  83       * @param string $table The table to query.
  84       * @param array $conditions optional array $fieldname=>requestedvalue with AND in between
  85       * @return int The count of records returned from the specified criteria.
  86       */
  87      public function count_records($table, array $conditions = null) {
  88          return 1;
  89      }
  90  }
  91  
  92  /**
  93   * Database recordset mock test class
  94   *
  95   * @package    core
  96   * @category   dml
  97   * @copyright  2018 Catalyst IT
  98   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  99   */
 100  class read_slave_moodle_recordset_special extends \moodle_recordset {
 101      /**
 102       * Iterator interface
 103       * @return void
 104       */
 105      public function close() {
 106      }
 107      /**
 108       * Iterator interface
 109       * @return \stdClass
 110       */
 111      public function current(): \stdClass {
 112          return new \stdClass();
 113      }
 114      /**
 115       * Iterator interface
 116       * @return void
 117       */
 118      public function next(): void {
 119      }
 120      /**
 121       * Iterator interface
 122       * @return mixed
 123       */
 124      #[\ReturnTypeWillChange]
 125      public function key() {
 126      }
 127      /**
 128       * Iterator interface
 129       * @return bool
 130       */
 131      public function valid(): bool {
 132          return false;
 133      }
 134  }