StyleHtmlListTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\views\Kernel\Plugin;

use Drupal\Tests\views\Kernel\ViewsKernelTestBase;
use Drupal\views\Views;

/**
 * Tests the HTML list style plugin.
 *
 * @group views
 * @see \Drupal\views\Plugin\views\style\HtmlList
 */
class StyleHtmlListTest extends ViewsKernelTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_style_html_list',
    ];
    
    /**
     * Make sure that the HTML list style markup is correct.
     */
    public function testDefaultRowClasses() : void {
        $view = Views::getView('test_style_html_list');
        $output = $view->preview();
        $output = (string) \Drupal::service('renderer')->renderRoot($output);
        // Check that an empty class attribute is not added if the wrapper class is
        // not set.
        $this->assertStringContainsString('<div>', $output, 'Empty class is not added to DIV when class is not set');
        // Check that an empty class attribute is not added if the list class is
        // not set.
        $this->assertStringContainsString('<ul>', $output, 'Empty class is not added to UL when class is not set');
        // Set wrapper class and list class in style options.
        $view->style_plugin->options['class'] = 'class';
        $view->style_plugin->options['wrapper_class'] = 'wrapper-class';
        $output = $view->preview();
        $output = (string) \Drupal::service('renderer')->renderRoot($output);
        // Check that class attribute is present if the wrapper class is set.
        $this->assertStringContainsString('<div class="wrapper-class">', $output, 'Class is added to DIV');
        // Check that class attribute is present if the list class is set.
        $this->assertStringContainsString('<ul class="class">', $output, 'Class is added to UL');
    }

}