EntityLinkTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\comment\Unit\Plugin\views\field;

use Drupal\comment\Plugin\views\field\EntityLink;
use Drupal\Tests\UnitTestCase;
use Drupal\Tests\views\Traits\ViewsLoggerTestTrait;
use Drupal\views\Plugin\views\display\DisplayPluginBase;
use Drupal\views\ResultRow;
use Drupal\views\ViewExecutable;

/**
 * @coversDefaultClass \Drupal\comment\Plugin\views\field\EntityLink
 * @group comment
 */
class EntityLinkTest extends UnitTestCase {
    use ViewsLoggerTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->setUpMockLoggerWithMissingEntity();
    }
    
    /**
     * Test the render method when getEntity returns NULL.
     *
     * @covers ::render
     */
    public function testRenderNullEntity() : void {
        $row = new ResultRow();
        $field = new EntityLink([
            'entity_type' => 'foo',
            'entity field' => 'bar',
        ], '', []);
        $view = $this->createMock(ViewExecutable::class);
        $display = $this->createMock(DisplayPluginBase::class);
        $field->init($view, $display);
        $this->assertEmpty($field->render($row));
    }

}