AreaResultTest.php

<?php

namespace Drupal\Tests\views\Kernel\Handler;

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

/**
 * Tests the result area handler.
 *
 * @group views
 * @see \Drupal\views\Plugin\views\area\Result
 */
class AreaResultTest extends ViewsKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $testViews = [
        'test_area_result',
    ];
    
    /**
     * Tests the results area handler.
     */
    public function testResult() {
        $view = Views::getView('test_area_result');
        $view->setDisplay('default');
        $this->executeView($view);
        $output = $view->render();
        $output = \Drupal::service('renderer')->renderRoot($output);
        $this->setRawContent($output);
        $this->assertText('start: 1 | end: 5 | total: 5 | label: test_area_result | per page: 0 | current page: 1 | current record count: 5 | page count: 1');
    }
    
    /**
     * Tests the results area handler.
     */
    public function testResultEmpty() {
        $view = Views::getView('test_area_result');
        // Test that the area is displayed if we have checked the empty checkbox.
        $view->setDisplay('default');
        // Add a filter that will make the result set empty.
        $view->displayHandlers
            ->get('default')
            ->overrideOption('filters', [
            'name' => [
                'id' => 'name',
                'table' => 'views_test_data',
                'field' => 'name',
                'relationship' => 'none',
                'operator' => '=',
                'value' => 'non-existing-name',
            ],
        ]);
        $this->executeView($view);
        $output = $view->render();
        $output = \Drupal::service('renderer')->renderRoot($output);
        $this->setRawContent($output);
        $this->assertText('start: 0 | end: 0 | total: 0 | label: test_area_result | per page: 0 | current page: 1 | current record count: 0 | page count: 1');
        $this->assertRaw('<header>');
        // Test that the area is not displayed if we have not checked the empty
        // checkbox.
        $view->setDisplay('page_1');
        $this->executeView($view);
        $output = $view->render();
        $output = \Drupal::service('renderer')->renderRoot($output);
        $this->setRawContent($output);
        $this->assertNoText('start: 0 | end: 0 | total: 0 | label: test_area_result | per page: 0 | current page: 1 | current record count: 0 | page count: 1');
        // Make sure the empty header region isn't rendered.
        $this->assertNoRaw('<header>');
    }

}