MachineNameTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Render\Element;

use Drupal\Core\Access\CsrfTokenGenerator;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Form\FormState;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\Core\Render\Element\MachineName;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * @coversDefaultClass \Drupal\Core\Render\Element\MachineName
 * @group Render
 */
class MachineNameTest extends UnitTestCase {

  /**
   * @covers ::valueCallback
   *
   * @dataProvider providerTestValueCallback
   */
  public function testValueCallback($expected, $input) {
    $element = [];
    $form_state = $this
      ->prophesize(FormStateInterface::class)
      ->reveal();
    $this
      ->assertSame($expected, MachineName::valueCallback($element, $input, $form_state));
  }

  /**
   * Data provider for testValueCallback().
   */
  public static function providerTestValueCallback() {
    $data = [];
    $data[] = [
      NULL,
      FALSE,
    ];
    $data[] = [
      NULL,
      NULL,
    ];
    $data[] = [
      '',
      [
        'test',
      ],
    ];
    $data[] = [
      'test',
      'test',
    ];
    $data[] = [
      '123',
      123,
    ];
    return $data;
  }

  /**
   * @covers ::processMachineName
   */
  public function testProcessMachineName() {
    $form_state = new FormState();
    $element = [
      '#id' => 'test',
      '#field_suffix' => 'test_suffix',
      '#field_prefix' => 'test_prefix',
      '#machine_name' => [
        'source' => [
          'test_source',
        ],
        'maxlength' => 32,
        'additional_property' => TRUE,
        '#additional_property_with_hash' => TRUE,
      ],
      // The process function requires these to be set. During regular form
      // building they are always set.
      '#name' => 'test_machine_name',
      '#default_value' => NULL,
    ];
    $complete_form = [
      'test_source' => [
        '#type' => 'textfield',
        '#id' => 'source',
      ],
      'test_machine_name' => $element,
    ];
    $form_state
      ->setCompleteForm($complete_form);
    $language = $this
      ->prophesize(LanguageInterface::class);
    $language
      ->getId()
      ->willReturn('xx-lolspeak');
    $language_manager = $this
      ->prophesize(LanguageManagerInterface::class);
    $language_manager
      ->getCurrentLanguage()
      ->willReturn($language);
    $csrf_token = $this
      ->prophesize(CsrfTokenGenerator::class);
    $csrf_token
      ->get('[^a-z0-9_]+')
      ->willReturn('tis-a-fine-token');
    $moduleHandler = $this
      ->prophesize(ModuleHandlerInterface::class);
    $container = $this
      ->prophesize(ContainerInterface::class);
    $container
      ->get('language_manager')
      ->willReturn($language_manager
      ->reveal());
    $container
      ->get('csrf_token')
      ->willReturn($csrf_token
      ->reveal());
    $container
      ->get('module_handler')
      ->willReturn($moduleHandler
      ->reveal());
    \Drupal::setContainer($container
      ->reveal());
    $element = MachineName::processMachineName($element, $form_state, $complete_form);
    $settings = $element['#attached']['drupalSettings']['machineName']['#source'];
    $allowed_options = [
      'replace_pattern',
      'replace',
      'maxlength',
      'target',
      'label',
      'field_prefix',
      'field_suffix',
      'suffix',
      'replace_token',
    ];
    $this
      ->assertEmpty(array_diff_key($settings, array_flip($allowed_options)));
    foreach ($allowed_options as $key) {
      $this
        ->assertArrayHasKey($key, $settings);
    }
  }

}