NodeLoadMultipleTest.php

<?php

/**
 * @file
 * Definition of Drupal\node\Tests\NodeLoadMultipleTest.
 */
namespace Drupal\node\Tests;


/**
 * Tests the node_load_multiple() function.
 */
class NodeLoadMultipleTest extends NodeTestBase {
  public static function getInfo() {
    return array(
      'name' => 'Load multiple nodes',
      'description' => 'Test the loading of multiple nodes.',
      'group' => 'Node',
    );
  }
  function setUp() {
    parent::setUp();
    $web_user = $this
      ->drupalCreateUser(array(
      'create article content',
      'create page content',
    ));
    $this
      ->drupalLogin($web_user);
  }

  /**
   * Creates four nodes and ensures that they are loaded correctly.
   */
  function testNodeMultipleLoad() {
    $node1 = $this
      ->drupalCreateNode(array(
      'type' => 'article',
      'promote' => 1,
    ));
    $node2 = $this
      ->drupalCreateNode(array(
      'type' => 'article',
      'promote' => 1,
    ));
    $node3 = $this
      ->drupalCreateNode(array(
      'type' => 'article',
      'promote' => 0,
    ));
    $node4 = $this
      ->drupalCreateNode(array(
      'type' => 'page',
      'promote' => 0,
    ));

    // Confirm that promoted nodes appear in the default node listing.
    $this
      ->drupalGet('node');
    $this
      ->assertText($node1
      ->label(), 'Node title appears on the default listing.');
    $this
      ->assertText($node2
      ->label(), 'Node title appears on the default listing.');
    $this
      ->assertNoText($node3
      ->label(), 'Node title does not appear in the default listing.');
    $this
      ->assertNoText($node4
      ->label(), 'Node title does not appear in the default listing.');

    // Load nodes with only a condition. Nodes 3 and 4 will be loaded.
    $nodes = entity_load_multiple_by_properties('node', array(
      'promote' => 0,
    ));
    $this
      ->assertEqual($node3
      ->label(), $nodes[$node3->nid]
      ->label(), 'Node was loaded.');
    $this
      ->assertEqual($node4
      ->label(), $nodes[$node4->nid]
      ->label(), 'Node was loaded.');
    $count = count($nodes);
    $this
      ->assertTrue($count == 2, format_string('@count nodes loaded.', array(
      '@count' => $count,
    )));

    // Load nodes by nid. Nodes 1, 2 and 4 will be loaded.
    $nodes = node_load_multiple(array(
      1,
      2,
      4,
    ));
    $count = count($nodes);
    $this
      ->assertTrue(count($nodes) == 3, format_string('@count nodes loaded', array(
      '@count' => $count,
    )));
    $this
      ->assertTrue(isset($nodes[$node1->nid]), 'Node is correctly keyed in the array');
    $this
      ->assertTrue(isset($nodes[$node2->nid]), 'Node is correctly keyed in the array');
    $this
      ->assertTrue(isset($nodes[$node4->nid]), 'Node is correctly keyed in the array');
    foreach ($nodes as $node) {
      $this
        ->assertTrue(is_object($node), 'Node is an object');
    }
  }

}