TextFormatElementFormTest.php

<?php

namespace Drupal\Tests\filter\Kernel;

use Drupal\Core\Form\FormInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\filter\Entity\FilterFormat;
use Drupal\KernelTests\KernelTestBase;
use Drupal\user\Entity\Role;
use Drupal\user\Entity\User;

/**
 * Tests PathElement validation and conversion functionality.
 *
 * @group Form
 */
class TextFormatElementFormTest extends KernelTestBase implements FormInterface {
    
    /**
     * User for testing.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $testUser;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'system',
        'user',
        'filter',
        'filter_test',
        'editor',
    ];
    
    /**
     * Sets up the test.
     */
    protected function setUp() {
        parent::setUp();
        $this->installEntitySchema('user');
        $this->installSchema('system', [
            'sequences',
        ]);
        $this->installConfig([
            'filter',
            'filter_test',
        ]);
        // Filter tips link to the full-page.
        \Drupal::service('router.builder')->rebuild();
        
        /* @var \Drupal\Core\Render\ElementInfoManager $manager */
        $manager = \Drupal::service('plugin.manager.element_info');
        $manager->clearCachedDefinitions();
        $manager->getDefinitions();
        
        /* @var \Drupal\filter\FilterFormatInterface $filter_test_format */
        $filter_test_format = FilterFormat::load('filter_test');
        
        /* @var \Drupal\user\RoleInterface $role */
        $role = Role::create([
            'id' => 'admin',
            'label' => 'admin',
        ]);
        $role->grantPermission($filter_test_format->getPermissionName());
        $role->save();
        $this->testUser = User::create([
            'name' => 'foobar',
            'mail' => 'foobar@example.com',
        ]);
        $this->testUser
            ->addRole($role->id());
        $this->testUser
            ->save();
        \Drupal::service('current_user')->setAccount($this->testUser);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFormId() {
        return 'test_text_area_element';
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state) {
        // A textformat field.
        $form['textformat'] = [
            '#type' => 'text_format',
            '#required' => TRUE,
            '#title' => 'Text',
            '#base_type' => 'textfield',
            '#format' => NULL,
            '#default_value' => 'test value',
        ];
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
    }
    
    /**
     * Form validation handler.
     *
     * @param array $form
     *   An associative array containing the structure of the form.
     * @param \Drupal\Core\Form\FormStateInterface $form_state
     *   The current state of the form.
     */
    public function validateForm(array &$form, FormStateInterface $form_state) {
    }
    
    /**
     * Tests that values are returned.
     */
    public function testTextFormatElement() {
        
        /* @var \Drupal\Core\Form\FormBuilder $form_builder */
        $form_builder = $this->container
            ->get('form_builder');
        $form = $form_builder->getForm($this);
        $output = $this->render($form);
        $this->setRawContent($output);
        $this->assertFieldByName('textformat[value]');
        $this->assertRaw('<h4>Full HTML</h4>');
        $this->assertRaw('<h4>Filtered HTML</h4>');
        $this->assertRaw('<h4>Test format</h4>');
        $this->assertNoPattern('|<h4[^>]*></h4>|', 'No empty H4 element found.');
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getUrl() {
        // \Drupal\simpletest\AssertContentTrait needs this for ::assertFieldByName
        // to work.
        return 'Internal rendering';
    }

}