includes/libs/rdbms/database/resultwrapper/FakeResultWrapper.php

   1 <?php
   2
   3 namespace Wikimedia\Rdbms;
   4
   5 use RuntimeException;
   6 use stdClass;
   7
   8 /**
   9  * Overloads the relevant methods of the real ResultWrapper so it
  10  * doesn't go anywhere near an actual database.
  11  */
  12 class FakeResultWrapper extends ResultWrapper {
  13         /** @var stdClass[]|array[]|null */
  14         protected $result;
  15
  16         /**
  17          * @param stdClass[]|array[]|FakeResultWrapper $result
  18          */
  19         public function __construct( $result ) {
  20                 if ( $result instanceof self ) {
  21                         $this->result = $result->result;
  22                 } else {
  23                         $this->result = $result;
  24                 }
  25         }
  26
  27         protected function doNumRows() {
  28                 return count( $this->result );
  29         }
  30
  31         protected function doFetchObject() {
  32                 $value = $this->result[$this->currentPos] ?? false;
  33                 return is_array( $value ) ? (object)$value : $value;
  34         }
  35
  36         protected function doFetchRow() {
  37                 $row = $this->doFetchObject();
  38                 return is_object( $row ) ? get_object_vars( $row ) : $row;
  39         }
  40
  41         protected function doSeek( $pos ) {
  42         }
  43
  44         protected function doFree() {
  45                 $this->result = null;
  46         }
  47
  48         protected function doGetFieldNames() {
  49                 // @phan-suppress-previous-line PhanPluginNeverReturnMethod
  50                 throw new RuntimeException( __METHOD__ . ' is unimplemented' );
  51         }
  52 }