HandlerAllTest.php

<?php

namespace Drupal\Tests\views\Functional\Handler;

use Drupal\comment\Tests\CommentTestTrait;
use Drupal\Tests\views\Functional\ViewTestBase;
use Drupal\views\Plugin\views\filter\NumericFilter;
use Drupal\views\ViewExecutable;
use Drupal\views\Plugin\views\HandlerBase;
use Drupal\views\Plugin\views\filter\InOperator;
use Drupal\views\Entity\View;

/**
 * Tests instances of all handlers.
 *
 * @group views
 */
class HandlerAllTest extends ViewTestBase {
    use CommentTestTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'aggregator',
        'book',
        'block',
        'comment',
        'contact',
        'field',
        'filter',
        'file',
        'forum',
        'history',
        'language',
        'locale',
        'node',
        'search',
        'statistics',
        'taxonomy',
        'user',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests most of the handlers.
     */
    public function testHandlers() {
        $this->drupalCreateContentType([
            'type' => 'article',
        ]);
        $this->addDefaultCommentField('node', 'article');
        $object_types = array_keys(ViewExecutable::getHandlerTypes());
        foreach ($this->container
            ->get('views.views_data')
            ->getAll() as $base_table => $info) {
            if (!isset($info['table']['base'])) {
                continue;
            }
            $view = View::create([
                'base_table' => $base_table,
            ]);
            $view = $view->getExecutable();
            // @todo The groupwise relationship is currently broken.
            $exclude[] = 'taxonomy_term_field_data:tid_representative';
            $exclude[] = 'users_field_data:uid_representative';
            // Go through all fields and there through all handler types.
            foreach ($info as $field => $field_info) {
                // Table is a reserved key for the metainformation.
                if ($field != 'table' && !in_array("{$base_table}:{$field}", $exclude)) {
                    $item = [
                        'table' => $base_table,
                        'field' => $field,
                    ];
                    foreach ($object_types as $type) {
                        if (isset($field_info[$type]['id'])) {
                            $options = [];
                            if ($type == 'filter') {
                                $handler = $this->container
                                    ->get("plugin.manager.views.{$type}")
                                    ->getHandler($item);
                                // Set the value to use for the filter based on the filter type.
                                if ($handler instanceof InOperator) {
                                    $options['value'] = [
                                        1,
                                    ];
                                }
                                elseif ($handler instanceof NumericFilter) {
                                    $options['value'] = [
                                        'value' => 1,
                                    ];
                                }
                                else {
                                    $options['value'] = 1;
                                }
                            }
                            $view->addHandler('default', $type, $base_table, $field, $options);
                        }
                    }
                }
            }
            // Go through each step individually to see whether some parts are
            // failing.
            $view->build();
            $view->preExecute();
            $view->execute();
            $view->render();
            // Make sure all handlers extend the HandlerBase.
            foreach ($object_types as $type) {
                if (isset($view->{$type})) {
                    foreach ($view->{$type} as $handler) {
                        $this->assertInstanceOf(HandlerBase::class, $handler);
                    }
                }
            }
        }
    }

}