function NodeLoadMultipleTestCase::testNodeMultipleLoad in Drupal 7

Create four nodes and ensure they're loaded correctly.

File

modules/node/node.test, line 50

Tests for node.module.

Class

NodeLoadMultipleTestCase

Test the node_load_multiple() function.

Code

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->title, 'Node title appears on the default listing.');
  $this
    ->assertText($node2->title, 'Node title appears on the default listing.');
  $this
    ->assertNoText($node3->title, 'Node title does not appear in the default listing.');
  $this
    ->assertNoText($node4->title, 'Node title does not appear in the default listing.');

  // Load nodes with only a condition. Nodes 3 and 4 will be loaded.
  $nodes = node_load_multiple(NULL, array(
    'promote' => 0,
  ));
  $this
    ->assertEqual($node3->title, $nodes[$node3->nid]->title, 'Node was loaded.');
  $this
    ->assertEqual($node4->title, $nodes[$node4->nid]->title, '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');
  }

  // Load nodes by nid, where type = article. Nodes 1, 2 and 3 will be loaded.
  $nodes = node_load_multiple(array(
    1,
    2,
    3,
    4,
  ), array(
    'type' => 'article',
  ));
  $count = count($nodes);
  $this
    ->assertTrue($count == 3, format_string('@count nodes loaded', array(
    '@count' => $count,
  )));
  $this
    ->assertEqual($nodes[$node1->nid]->title, $node1->title, 'Node successfully loaded.');
  $this
    ->assertEqual($nodes[$node2->nid]->title, $node2->title, 'Node successfully loaded.');
  $this
    ->assertEqual($nodes[$node3->nid]->title, $node3->title, 'Node successfully loaded.');
  $this
    ->assertFalse(isset($nodes[$node4->nid]));

  // Now that all nodes have been loaded into the static cache, ensure that
  // they are loaded correctly again when a condition is passed.
  $nodes = node_load_multiple(array(
    1,
    2,
    3,
    4,
  ), array(
    'type' => 'article',
  ));
  $count = count($nodes);
  $this
    ->assertTrue($count == 3, format_string('@count nodes loaded.', array(
    '@count' => $count,
  )));
  $this
    ->assertEqual($nodes[$node1->nid]->title, $node1->title, 'Node successfully loaded');
  $this
    ->assertEqual($nodes[$node2->nid]->title, $node2->title, 'Node successfully loaded');
  $this
    ->assertEqual($nodes[$node3->nid]->title, $node3->title, 'Node successfully loaded');
  $this
    ->assertFalse(isset($nodes[$node4->nid]), 'Node was not loaded');

  // Load nodes by nid, where type = article and promote = 0.
  $nodes = node_load_multiple(array(
    1,
    2,
    3,
    4,
  ), array(
    'type' => 'article',
    'promote' => 0,
  ));
  $count = count($nodes);
  $this
    ->assertTrue($count == 1, format_string('@count node loaded', array(
    '@count' => $count,
  )));
  $this
    ->assertEqual($nodes[$node3->nid]->title, $node3->title, 'Node successfully loaded.');
}