entity_crud.test

<?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.');
  }

}