function NodeLoadMultipleTestCase::testNodeMultipleLoad

Create four nodes and ensure they're loaded correctly.

File

modules/node/node.test, line 50

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.');
}