SearchNodeUpdateAndDeletionTest.php

<?php

namespace Drupal\Tests\search\Functional;

use Drupal\Core\Database\Database;
use Drupal\search\SearchIndexInterface;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests search index is updated properly when nodes are removed or updated.
 *
 * @group search
 */
class SearchNodeUpdateAndDeletionTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'search',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * A user with permission to access and search content.
     *
     * @var \Drupal\user\UserInterface
     */
    public $testUser;
    protected function setUp() {
        parent::setUp();
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        // Create a test user and log in.
        $this->testUser = $this->drupalCreateUser([
            'access content',
            'search content',
        ]);
        $this->drupalLogin($this->testUser);
    }
    
    /**
     * Tests that the search index info is properly updated when a node changes.
     */
    public function testSearchIndexUpdateOnNodeChange() {
        // Create a node.
        $node = $this->drupalCreateNode([
            'title' => 'Someone who says Ni!',
            'body' => [
                [
                    'value' => "We are the knights who say Ni!",
                ],
            ],
            'type' => 'page',
        ]);
        $node_search_plugin = $this->container
            ->get('plugin.manager.search')
            ->createInstance('node_search');
        // Update the search index.
        $node_search_plugin->updateIndex();
        $search_index = \Drupal::service('search.index');
        assert($search_index instanceof SearchIndexInterface);
        // Search the node to verify it appears in search results
        $edit = [
            'keys' => 'knights',
        ];
        $this->drupalPostForm('search/node', $edit, t('Search'));
        $this->assertText($node->label());
        // Update the node
        $node->body->value = "We want a shrubbery!";
        $node->save();
        // Run indexer again
        $node_search_plugin->updateIndex();
        // Search again to verify the new text appears in test results.
        $edit = [
            'keys' => 'shrubbery',
        ];
        $this->drupalPostForm('search/node', $edit, t('Search'));
        $this->assertText($node->label());
    }
    
    /**
     * Tests that the search index info is updated when a node is deleted.
     */
    public function testSearchIndexUpdateOnNodeDeletion() {
        // Create a node.
        $node = $this->drupalCreateNode([
            'title' => 'No dragons here',
            'body' => [
                [
                    'value' => 'Again: No dragons here',
                ],
            ],
            'type' => 'page',
        ]);
        $node_search_plugin = $this->container
            ->get('plugin.manager.search')
            ->createInstance('node_search');
        // Update the search index.
        $node_search_plugin->updateIndex();
        // Search the node to verify it appears in search results
        $edit = [
            'keys' => 'dragons',
        ];
        $this->drupalPostForm('search/node', $edit, t('Search'));
        $this->assertText($node->label());
        // Get the node info from the search index tables.
        $connection = Database::getConnection();
        $search_index_dataset = $connection->select('search_index', 'si')
            ->fields('si', [
            'sid',
        ])
            ->condition('type', 'node_search')
            ->condition('word', 'dragons')
            ->execute()
            ->fetchField();
        $this->assertNotEqual($search_index_dataset, FALSE, t('Node info found on the search_index'));
        // Delete the node.
        $node->delete();
        // Check if the node info is gone from the search table.
        $search_index_dataset = $connection->select('search_index', 'si')
            ->fields('si', [
            'sid',
        ])
            ->condition('type', 'node_search')
            ->condition('word', 'dragons')
            ->execute()
            ->fetchField();
        $this->assertFalse($search_index_dataset, t('Node info successfully removed from search_index'));
        // Search again to verify the node doesn't appear anymore.
        $this->drupalPostForm('search/node', $edit, t('Search'));
        $this->assertNoText($node->label());
    }

}