WidgetFormAlterEventTest.php in Hook Event Dispatcher 8.2

Namespace

Drupal\Tests\field_event_dispatcher\Unit\Field

File

modules/field_event_dispatcher/tests/src/Unit/Field/WidgetFormAlterEventTest.php

<?php

namespace Drupal\Tests\field_event_dispatcher\Unit\Field;

use Drupal;
use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\field_event_dispatcher\Event\Field\WidgetFormAlterEvent;
use Drupal\field_event_dispatcher\Event\Field\WidgetMultivalueFormAlterEvent;
use Drupal\hook_event_dispatcher\HookEventDispatcherInterface;
use Drupal\Tests\hook_event_dispatcher\Unit\HookEventDispatcherManagerSpy;
use PHPUnit\Framework\TestCase;
use function field_event_dispatcher_field_widget_form_alter;
use function field_event_dispatcher_field_widget_multivalue_form_alter;

/**
 * Class WidgetFormAlterEventTest.
 *
 * @group field_event_dispatcher
 */
final class WidgetFormAlterEventTest extends TestCase {

  /**
   * The manager.
   *
   * @var \Drupal\Tests\hook_event_dispatcher\Unit\HookEventDispatcherManagerSpy
   */
  private $manager;

  /**
   * {@inheritdoc}
   */
  public function setUp() : void {
    $builder = new ContainerBuilder();
    $this->manager = new HookEventDispatcherManagerSpy();
    $builder
      ->set('hook_event_dispatcher.manager', $this->manager);
    $builder
      ->compile();
    Drupal::setContainer($builder);
  }

  /**
   * Test WidgetFormAlterEvent.
   */
  public function testWidgetFormAlterEvent() : void {
    $element = $expectedElement = [
      'widget' => 'element',
    ];
    $formState = $this
      ->createMock(FormStateInterface::class);
    $items = $this
      ->createMock(FieldItemListInterface::class);
    $definition = $this
      ->createMock(FieldDefinitionInterface::class);
    $widgetType = 'widget_type';
    $definition
      ->method('getType')
      ->willReturn($widgetType);
    $items
      ->method('getFieldDefinition')
      ->willReturn($definition);
    $context = [
      'items' => $items,
    ];
    $this->manager
      ->setEventCallbacks([
      HookEventDispatcherInterface::WIDGET_FORM_ALTER => static function (WidgetFormAlterEvent $event) {
        $element =& $event
          ->getElement();
        $element['other'] = 'key';
      },
    ]);
    $this->manager
      ->setMaxEventCount(2);
    field_event_dispatcher_field_widget_form_alter($element, $formState, $context);
    $expectedElement['other'] = 'key';
    self::assertSame($expectedElement, $element);

    /** @var \Drupal\field_event_dispatcher\Event\Field\WidgetFormAlterEvent $event */
    $event = $this->manager
      ->getRegisteredEvent(HookEventDispatcherInterface::WIDGET_FORM_ALTER);
    self::assertSame($element, $event
      ->getElement());
    self::assertSame($formState, $event
      ->getFormState());
    self::assertSame($context, $event
      ->getContext());
  }

  /**
   * Test WidgetTypeFormAlterEvent.
   */
  public function testWidgetTypeFormAlterEvent() : void {
    $element = [
      'widget' => 'element',
    ];
    $formState = $this
      ->createMock(FormStateInterface::class);
    $items = $this
      ->createMock(FieldItemListInterface::class);
    $definition = $this
      ->createMock(FieldDefinitionInterface::class);
    $widgetType = 'widget_type';
    $definition
      ->method('getType')
      ->willReturn($widgetType);
    $items
      ->method('getFieldDefinition')
      ->willReturn($definition);
    $context = [
      'items' => $items,
    ];
    $this->manager
      ->setMaxEventCount(2);
    field_event_dispatcher_field_widget_form_alter($element, $formState, $context);

    /** @var \Drupal\field_event_dispatcher\Event\Field\WidgetTypeFormAlterEvent $event */
    $event = $this->manager
      ->getRegisteredEvent("hook_event_dispatcher.widget_{$widgetType}.alter");
    self::assertSame($element, $event
      ->getElement());
    self::assertSame($formState, $event
      ->getFormState());
    self::assertSame($context, $event
      ->getContext());
  }

  /**
   * Test WidgetMultivalueFormAlterEvent.
   */
  public function testWidgetMultivalueFormAlterEvent() : void {
    $elements = $expectedElements = [
      0 => [
        'widget' => 'element',
      ],
    ];
    $formState = $this
      ->createMock(FormStateInterface::class);
    $items = $this
      ->createMock(FieldItemListInterface::class);
    $definition = $this
      ->createMock(FieldDefinitionInterface::class);
    $widgetType = 'widget_type';
    $definition
      ->method('getType')
      ->willReturn($widgetType);
    $items
      ->method('getFieldDefinition')
      ->willReturn($definition);
    $context = [
      'items' => $items,
    ];
    $this->manager
      ->setEventCallbacks([
      HookEventDispatcherInterface::WIDGET_MULTIVALUE_FORM_ALTER => static function (WidgetMultivalueFormAlterEvent $event) {
        $elements =& $event
          ->getElements();
        $elements[0]['other'] = 'key';
      },
    ]);
    $this->manager
      ->setMaxEventCount(2);
    field_event_dispatcher_field_widget_multivalue_form_alter($elements, $formState, $context);
    $expectedElements[0]['other'] = 'key';
    self::assertSame($expectedElements, $elements);

    /** @var \Drupal\field_event_dispatcher\Event\Field\WidgetFormAlterEvent $event */
    $event = $this->manager
      ->getRegisteredEvent(HookEventDispatcherInterface::WIDGET_MULTIVALUE_FORM_ALTER);
    self::assertSame($elements, $event
      ->getElements());
    self::assertSame($formState, $event
      ->getFormState());
    self::assertSame($context, $event
      ->getContext());
  }

}

Classes

Name	Description
WidgetFormAlterEventTest	Class WidgetFormAlterEventTest.