tests/phpunit/mocks/json/ManagedObjectFactory.php

   1 <?php
   2 namespace MediaWiki\Tests\Json;
   3
   4 use Wikimedia\JsonCodec\JsonClassCodec;
   5
   6 /**
   7  * Managed object factory which also handles serialization/deserialization
   8  * of the objects it manages.
   9  *
  10  * @implements JsonClassCodec<ManagedObject>
  11  */
  12 class ManagedObjectFactory implements JsonClassCodec {
  13         /** @var array<string,ManagedObject> Fake database */
  14         private $storage = [];
  15
  16         /**
  17          * Create and store an object with $name and $value in the database.
  18          * @param string $name
  19          * @param int $value
  20          * @return ManagedObject
  21          */
  22         public function create( string $name, int $value ) {
  23                 if ( isset( $this->storage[$name] ) ) {
  24                         throw new \Error( "duplicate name" );
  25                 }
  26                 $this->storage[$name] = $o = new ManagedObject( $name, $value );
  27                 return $o;
  28         }
  29
  30         /**
  31          * Lookup $name in the database.
  32          * @param string $name
  33          * @return ManagedObject
  34          */
  35         public function lookup( string $name ): ManagedObject {
  36                 if ( !isset( $this->storage[$name] ) ) {
  37                         throw new \Error( "not found" );
  38                 }
  39                 return $this->storage[$name];
  40         }
  41
  42         /** @inheritDoc */
  43         public function toJsonArray( $obj ): array {
  44                 '@phan-var ManagedObject $obj';
  45                 // Not necessary to serialize all the properties, since they
  46                 // will be reloaded from the "database" during deserialization
  47                 return [ 'name' => $obj->name ];
  48         }
  49
  50         /** @inheritDoc */
  51         public function newFromJsonArray( string $className, array $json ): ManagedObject {
  52                 // @phan-suppress-next-line PhanTypeMismatchReturn template limitations
  53                 return $this->lookup( $json['name'] );
  54         }
  55
  56         /** @inheritDoc */
  57         public function jsonClassHintFor( string $className, string $key ): ?string {
  58                 // no hints
  59                 return null;
  60         }
  61 }