<?php

/**

 * @file

 * Tests for the Entity CRUD API.

 */

/**

 * Tests the entity_load() function.

 */

class EntityLoadTestCase extends DrupalWebTestCase {

  protected $profile = 'testing';

  public static function getInfo() {

    return array(

      'name' => 'Entity loading',

      'description' => 'Tests the entity_load() function.',

      'group' => 'Entity API',

    );

  }

  /**

   * Tests the functionality for loading entities matching certain conditions.

   */

  public function testEntityLoadConditions() {

    // Create a few nodes. One of them is given an edge-case title of "Array",

    // because loading entities by an array of conditions is subject to PHP

    // array-to-string conversion issues and we want to test those.

    $node_1 = $this->drupalCreateNode(array('title' => 'Array'));

    $node_2 = $this->drupalCreateNode(array('title' => 'Node 2'));

    $node_3 = $this->drupalCreateNode(array('title' => 'Node 3'));

    // Load all entities so that they are statically cached.

    $all_nodes = entity_load('node', FALSE);

    // Check that the first node can be loaded by title.

    $nodes_loaded = entity_load('node', FALSE, array('title' => 'Array'));

    $this->assertEqual(array_keys($nodes_loaded), array($node_1->nid));

    // Check that the second and third nodes can be loaded by title using an

    // array of conditions, and that the first node is not loaded from the

    // cache along with them.

    $nodes_loaded = entity_load('node', FALSE, array('title' => array('Node 2', 'Node 3')));

    ksort($nodes_loaded);

    $this->assertEqual(array_keys($nodes_loaded), array($node_2->nid, $node_3->nid));

    $this->assertIdentical($nodes_loaded[$node_2->nid], $all_nodes[$node_2->nid], 'Loaded node 2 is identical to cached node.');

    $this->assertIdentical($nodes_loaded[$node_3->nid], $all_nodes[$node_3->nid], 'Loaded node 3 is identical to cached node.');

  }

}