class LinkBaseTest

class LinkBaseTest extends UnitTestCase {
  use ViewsLoggerTestTrait;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->setUpMockLoggerWithMissingEntity();
    $container = \Drupal::getContainer();
    $container->set('string_translation', $this->createMock(TranslationInterface::class));
    $container->set('renderer', $this->createMock(RendererInterface::class));
    \Drupal::setContainer($container);
  }
  
  /**
   * Tests the render method when getEntity returns NULL.
   *
   * @covers ::render
   */
  public function testRenderNullEntity() : void {
    $row = new ResultRow();
    $access = new AccessResultAllowed();
    $languageManager = $this->createMock(LanguageManagerInterface::class);
    $languageManager->expects($this->any())
      ->method('isMultilingual')
      ->willReturn(TRUE);
    $field = $this->getMockBuilder(LinkBase::class)
      ->setConstructorArgs([
      [
        'entity_type' => 'foo',
        'entity field' => 'bar',
      ],
      'foo',
      [],
      $this->createMock(AccessManagerInterface::class),
      $this->createMock(EntityTypeManagerInterface::class),
      $this->createMock(EntityRepositoryInterface::class),
      $languageManager,
    ])
      ->onlyMethods([
      'checkUrlAccess',
      'getUrlInfo',
    ])
      ->getMock();
    $field->expects($this->any())
      ->method('checkUrlAccess')
      ->willReturn($access);
    $view = $this->createMock(ViewExecutable::class);
    $display = $this->createMock(DisplayPluginBase::class);
    $field->init($view, $display);
    $field_built = $field->render($row);
    $this->assertEquals('', \Drupal::service('renderer')->render($field_built));
  }

}