ArgumentStringTest.php

<?php

namespace Drupal\Tests\views\Kernel\Handler;

use Drupal\node\Entity\Node;
use Drupal\node\Entity\NodeType;
use Drupal\Tests\views\Kernel\ViewsKernelTestBase;
use Drupal\views\Views;

/**
 * Tests the core Drupal\views\Plugin\views\argument\StringArgument handler.
 *
 * @group views
 */
class ArgumentStringTest extends ViewsKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $testViews = [
        'test_glossary',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
    ];
    
    /**
     * Tests the glossary feature.
     */
    public function testGlossary() {
        $this->installEntitySchema('user');
        $this->installEntitySchema('node');
        NodeType::create([
            'type' => 'page',
        ])->save();
        // Setup some nodes, one with a, two with b and three with c.
        $counter = 1;
        foreach ([
            'a',
            'b',
            'c',
        ] as $char) {
            for ($i = 0; $i < $counter; $i++) {
                Node::create([
                    'type' => 'page',
                    'title' => $char . $this->randomMachineName(),
                ])
                    ->save();
            }
        }
        $view = Views::getView('test_glossary');
        $this->executeView($view);
        $count_field = 'nid';
        foreach ($view->result as &$row) {
            if (strpos($view->field['title']
                ->getValue($row), 'a') === 0) {
                $this->assertEquals(1, $row->{$count_field});
            }
            if (strpos($view->field['title']
                ->getValue($row), 'b') === 0) {
                $this->assertEquals(2, $row->{$count_field});
            }
            if (strpos($view->field['title']
                ->getValue($row), 'c') === 0) {
                $this->assertEquals(3, $row->{$count_field});
            }
        }
    }

}