class SearchMultilingualEntityTest

class SearchMultilingualEntityTest extends BrowserTestBase {
    
    /**
     * List of searchable nodes.
     *
     * @var \Drupal\node\NodeInterface[]
     */
    protected $searchableNodes = [];
    
    /**
     * Node search plugin.
     *
     * @var \Drupal\node\Plugin\Search\NodeSearch
     */
    protected $plugin;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
        'locale',
        'comment',
        'node',
        'search',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        // Create a user who can administer search, do searches, see the status
        // report, and administer cron. Log in.
        $user = $this->drupalCreateUser([
            'administer search',
            'search content',
            'use advanced search',
            'access content',
            'access site reports',
            'administer site configuration',
        ]);
        $this->drupalLogin($user);
        // Set up the search plugin.
        $this->plugin = $this->container
            ->get('plugin.manager.search')
            ->createInstance('node_search');
        // Check indexing counts before adding any nodes.
        $this->assertIndexCounts(0, 0, 'before adding nodes');
        $this->assertDatabaseCounts(0, 0, 'before adding nodes');
        // Add two new languages.
        ConfigurableLanguage::createFromLangcode('hu')->save();
        ConfigurableLanguage::createFromLangcode('sv')->save();
        // Make the body field translatable. The title is already translatable by
        // definition. The parent class has already created the article and page
        // content types.
        $field_storage = FieldStorageConfig::loadByName('node', 'body');
        $field_storage->setTranslatable(TRUE);
        $field_storage->save();
        // Create a few page nodes with multilingual body values.
        $default_format = filter_default_format();
        $nodes = [
            [
                'title' => 'First node en',
                'type' => 'page',
                'body' => [
                    [
                        'value' => $this->randomMachineName(32),
                        'format' => $default_format,
                    ],
                ],
                'langcode' => 'en',
            ],
            [
                'title' => 'Second node this is the English title',
                'type' => 'page',
                'body' => [
                    [
                        'value' => $this->randomMachineName(32),
                        'format' => $default_format,
                    ],
                ],
                'langcode' => 'en',
            ],
            [
                'title' => 'Third node en',
                'type' => 'page',
                'body' => [
                    [
                        'value' => $this->randomMachineName(32),
                        'format' => $default_format,
                    ],
                ],
                'langcode' => 'en',
            ],
            // After the third node, we don't care what the settings are. But we
            // need to have at least 5 to make sure the throttling is working
            // correctly. So, let's make 8 total.
[],
            [],
            [],
            [],
            [],
        ];
        $this->searchableNodes = [];
        foreach ($nodes as $setting) {
            $this->searchableNodes[] = $this->drupalCreateNode($setting);
        }
        // Add a single translation to the second node.
        $translation = $this->searchableNodes[1]
            ->addTranslation('hu', [
            'title' => 'Second node hu',
        ]);
        $translation->body->value = $this->randomMachineName(32);
        $this->searchableNodes[1]
            ->save();
        // Add two translations to the third node.
        $translation = $this->searchableNodes[2]
            ->addTranslation('hu', [
            'title' => 'Third node this is the Hungarian title',
        ]);
        $translation->body->value = $this->randomMachineName(32);
        $translation = $this->searchableNodes[2]
            ->addTranslation('sv', [
            'title' => 'Third node sv',
        ]);
        $translation->body->value = $this->randomMachineName(32);
        $this->searchableNodes[2]
            ->save();
        // Verify that we have 8 nodes left to do.
        $this->assertIndexCounts(8, 8, 'before updating the search index');
        $this->assertDatabaseCounts(0, 0, 'before updating the search index');
    }
    
    /**
     * Tests the indexing throttle and search results with multilingual nodes.
     */
    public function testMultilingualSearch() : void {
        // Index only 2 nodes per cron run. We cannot do this setting in the UI,
        // because it doesn't go this low.
        $this->config('search.settings')
            ->set('index.cron_limit', 2)
            ->save();
        // Get a new search plugin, to make sure it has this setting.
        $this->plugin = $this->container
            ->get('plugin.manager.search')
            ->createInstance('node_search');
        // Update the index. This does the initial processing.
        $this->plugin
            ->updateIndex();
        // Run the shutdown function. Testing is a unique case where indexing
        // and searching has to happen in the same request, so running the shutdown
        // function manually is needed to finish the indexing process.
        $search_index = \Drupal::service('search.index');
        assert($search_index instanceof SearchIndexInterface);
        $this->assertIndexCounts(6, 8, 'after updating partially');
        $this->assertDatabaseCounts(2, 0, 'after updating partially');
        // Now index the rest of the nodes.
        // Make sure index throttle is high enough, via the UI.
        $this->drupalGet('admin/config/search/pages');
        $this->submitForm([
            'cron_limit' => 20,
        ], 'Save configuration');
        $this->assertEquals(20, $this->config('search.settings')
            ->get('index.cron_limit'), 'Config setting was saved correctly');
        // Get a new search plugin, to make sure it has this setting.
        $this->plugin = $this->container
            ->get('plugin.manager.search')
            ->createInstance('node_search');
        $this->plugin
            ->updateIndex();
        $this->assertIndexCounts(0, 8, 'after updating fully');
        $this->assertDatabaseCounts(8, 0, 'after updating fully');
        // Click the reindex button on the admin page, verify counts, and reindex.
        $this->drupalGet('admin/config/search/pages');
        $this->submitForm([], 'Re-index site');
        $this->submitForm([], 'Re-index site');
        $this->assertIndexCounts(8, 8, 'after reindex');
        $this->assertDatabaseCounts(8, 0, 'after reindex');
        $this->plugin
            ->updateIndex();
        // Test search results.
        // This should find two results for the second and third node.
        $this->plugin
            ->setSearch('English OR Hungarian', [], []);
        $search_result = $this->plugin
            ->execute();
        $this->assertCount(2, $search_result, 'Found two results.');
        // Nodes are saved directly after each other and have the same created time
        // so testing for the order is not possible.
        $results = [
            $search_result[0]['title'],
            $search_result[1]['title'],
        ];
        $this->assertContains('Third node this is the Hungarian title', $results, 'The search finds the correct Hungarian title.');
        $this->assertContains('Second node this is the English title', $results, 'The search finds the correct English title.');
        // Now filter for Hungarian results only.
        $this->plugin
            ->setSearch('English OR Hungarian', [
            'f' => [
                'language:hu',
            ],
        ], []);
        $search_result = $this->plugin
            ->execute();
        $this->assertCount(1, $search_result, 'The search found only one result');
        $this->assertEquals('Third node this is the Hungarian title', $search_result[0]['title'], 'The search finds the correct Hungarian title.');
        // Test for search with common key word across multiple languages.
        $this->plugin
            ->setSearch('node', [], []);
        $search_result = $this->plugin
            ->execute();
        $this->assertCount(6, $search_result, 'The search found total six results');
        // Test with language filters and common key word.
        $this->plugin
            ->setSearch('node', [
            'f' => [
                'language:hu',
            ],
        ], []);
        $search_result = $this->plugin
            ->execute();
        $this->assertCount(2, $search_result, 'The search found 2 results');
        // Test to check for the language of result items.
        foreach ($search_result as $result) {
            $this->assertEquals('hu', $result['langcode'], 'The search found the correct Hungarian result');
        }
        // Mark one of the nodes for reindexing, using the API function, and
        // verify indexing status.
        $search_index->markForReindex('node_search', $this->searchableNodes[0]
            ->id());
        $this->assertIndexCounts(1, 8, 'after marking one node to reindex via API function');
        // Update the index and verify the totals again.
        $this->plugin = $this->container
            ->get('plugin.manager.search')
            ->createInstance('node_search');
        $this->plugin
            ->updateIndex();
        $this->assertIndexCounts(0, 8, 'after indexing again');
        // Mark one node for reindexing by saving it, and verify indexing status.
        $this->searchableNodes[1]
            ->save();
        $this->assertIndexCounts(1, 8, 'after marking one node to reindex via save');
        // The request time is always the same throughout test runs. Update the
        // request time to a previous time, to simulate it having been marked
        // previously.
        $current = \Drupal::time()->getRequestTime();
        $old = $current - 10;
        $connection = Database::getConnection();
        $connection->update('search_dataset')
            ->fields([
            'reindex' => $old,
        ])
            ->condition('reindex', $current, '>=')
            ->execute();
        // Save the node again. Verify that the request time on it is not updated.
        $this->searchableNodes[1]
            ->save();
        $result = $connection->select('search_dataset', 'd')
            ->fields('d', [
            'reindex',
        ])
            ->condition('type', 'node_search')
            ->condition('sid', $this->searchableNodes[1]
            ->id())
            ->execute()
            ->fetchField();
        $this->assertEquals($old, $result, 'Reindex time was not updated if node was already marked');
        // Add a bogus entry to the search index table using a different search
        // type. This will not appear in the index status, because it is not
        // managed by a plugin.
        $search_index->index('foo', $this->searchableNodes[0]
            ->id(), 'en', 'some text');
        $this->assertIndexCounts(1, 8, 'after adding a different index item');
        // Mark just this "foo" index for reindexing.
        $search_index->markForReindex('foo');
        $this->assertIndexCounts(1, 8, 'after reindexing the other search type');
        // Mark everything for reindexing.
        $search_index->markForReindex();
        $this->assertIndexCounts(8, 8, 'after reindexing everything');
        // Clear one item from the index, but with wrong language.
        $this->assertDatabaseCounts(8, 1, 'before clear');
        $search_index->clear('node_search', $this->searchableNodes[0]
            ->id(), 'hu');
        $this->assertDatabaseCounts(8, 1, 'after clear with wrong language');
        // Clear using correct language.
        $search_index->clear('node_search', $this->searchableNodes[0]
            ->id(), 'en');
        $this->assertDatabaseCounts(7, 1, 'after clear with right language');
        // Don't specify language.
        $search_index->clear('node_search', $this->searchableNodes[1]
            ->id());
        $this->assertDatabaseCounts(6, 1, 'unspecified language clear');
        // Clear everything in 'foo'.
        $search_index->clear('foo');
        $this->assertDatabaseCounts(6, 0, 'other index clear');
        // Clear everything.
        $search_index->clear();
        $this->assertDatabaseCounts(0, 0, 'complete clear');
    }
    
    /**
     * Verifies the indexing status counts.
     *
     * @param int $remaining
     *   Count of remaining items to verify.
     * @param int $total
     *   Count of total items to verify.
     * @param string $message
     *   Message to use, something like "after updating the search index".
     *
     * @internal
     */
    protected function assertIndexCounts(int $remaining, int $total, string $message) : void {
        // Check status via plugin method call.
        $status = $this->plugin
            ->indexStatus();
        $this->assertEquals($remaining, $status['remaining'], 'Remaining items ' . $message . ' is ' . $remaining);
        $this->assertEquals($total, $status['total'], 'Total items ' . $message . ' is ' . $total);
        // Check text in progress section of Search settings page. Note that this
        // test avoids using
        // \Drupal\Core\StringTranslation\TranslationInterface::formatPlural(), so
        // it tests for fragments of text.
        $indexed = $total - $remaining;
        $percent = $total > 0 ? floor(100 * $indexed / $total) : 100;
        $this->drupalGet('admin/config/search/pages');
        $this->assertSession()
            ->pageTextContains($percent . '% of the site has been indexed.');
        $this->assertSession()
            ->pageTextContains($remaining . ' item');
        // Check text in pages section of Search settings page.
        $this->assertSession()
            ->pageTextContains($indexed . ' of ' . $total . ' indexed');
        // Check text on status report page.
        $this->drupalGet('admin/reports/status');
        $this->assertSession()
            ->pageTextContains('Search index progress');
        $this->assertSession()
            ->pageTextContains($percent . '%');
        $this->assertSession()
            ->pageTextContains('(' . $remaining . ' remaining)');
    }
    
    /**
     * Checks actual database counts of items in the search index.
     *
     * @param int $count_node
     *   Count of node items to assert.
     * @param int $count_foo
     *   Count of "foo" items to assert.
     * @param string $message
     *   Message suffix to use.
     *
     * @internal
     */
    protected function assertDatabaseCounts(int $count_node, int $count_foo, string $message) : void {
        // Count number of distinct nodes by ID.
        $connection = Database::getConnection();
        $results = $connection->select('search_dataset', 'i')
            ->fields('i', [
            'sid',
        ])
            ->condition('type', 'node_search')
            ->groupBy('sid')
            ->execute()
            ->fetchCol();
        $this->assertCount($count_node, $results, 'Node count was ' . $count_node . ' for ' . $message);
        // Count number of "foo" records.
        $results = $connection->select('search_dataset', 'i')
            ->fields('i', [
            'sid',
        ])
            ->condition('type', 'foo')
            ->execute()
            ->fetchCol();
        $this->assertCount($count_foo, $results, 'Foo count was ' . $count_foo . ' for ' . $message);
    }

}