class RegistrationWithUserFieldsTest

class RegistrationWithUserFieldsTest extends WebDriverTestBase {
    
    /**
     * WebAssert object.
     *
     * @var \Drupal\Tests\WebAssert
     */
    protected $webAssert;
    
    /**
     * DocumentElement object.
     *
     * @var \Behat\Mink\Element\DocumentElement
     */
    protected $page;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'field_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->page = $this->getSession()
            ->getPage();
        $this->webAssert = $this->assertSession();
    }
    
    /**
     * Tests Field API fields on user registration forms.
     */
    public function testRegistrationWithUserFields() : void {
        // Create a field on 'user' entity type.
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'test_user_field',
            'entity_type' => 'user',
            'type' => 'test_field',
            'cardinality' => 1,
        ]);
        $field_storage->save();
        $field = FieldConfig::create([
            'field_storage' => $field_storage,
            'label' => 'Some user field',
            'bundle' => 'user',
            'required' => TRUE,
        ]);
        $field->save();
        \Drupal::service('entity_display.repository')->getFormDisplay('user', 'user', 'default')
            ->setComponent('test_user_field', [
            'type' => 'test_field_widget',
        ])
            ->save();
        $user_registration_form = \Drupal::service('entity_display.repository')->getFormDisplay('user', 'user', 'register');
        $user_registration_form->save();
        // Check that the field does not appear on the registration form.
        $this->drupalGet('user/register');
        $this->webAssert
            ->pageTextNotContains($field->label());
        // Have the field appear on the registration form.
        $user_registration_form->setComponent('test_user_field', [
            'type' => 'test_field_widget',
        ])
            ->save();
        $this->drupalGet('user/register');
        $this->webAssert
            ->pageTextContains($field->label());
        // In order to check the server side validation the native browser
        // validation for required fields needs to be circumvented.
        $session = $this->getSession();
        $session->executeScript("jQuery('#edit-test-user-field-0-value').prop('required', false);");
        // Check that validation errors are correctly reported.
        $name = $this->randomMachineName();
        $this->page
            ->fillField('edit-name', $name);
        $this->page
            ->fillField('edit-mail', $name . '@example.com');
        $this->page
            ->pressButton('edit-submit');
        $this->webAssert
            ->pageTextContains($field->label() . ' field is required.');
        // Invalid input.
        $this->page
            ->fillField('edit-test-user-field-0-value', '-1');
        $this->page
            ->pressButton('edit-submit');
        $this->webAssert
            ->pageTextContains($field->label() . ' does not accept the value -1.');
        // Submit with valid data.
        $value = (string) mt_rand(1, 255);
        $this->page
            ->fillField('edit-test-user-field-0-value', $value);
        $this->page
            ->pressButton('edit-submit');
        // Check user fields.
        $accounts = $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->loadByProperties([
            'name' => $name,
            'mail' => $name . '@example.com',
        ]);
        $new_user = reset($accounts);
        $this->assertEquals($value, $new_user->test_user_field->value, 'The field value was correctly saved.');
        // Check that the 'add more' button works.
        $field_storage->setCardinality(FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
        $field_storage->save();
        $name = $this->randomMachineName();
        $this->drupalGet('user/register');
        $this->page
            ->fillField('edit-name', $name);
        $this->page
            ->fillField('edit-mail', $name . '@example.com');
        $this->page
            ->fillField('test_user_field[0][value]', $value);
        // Add two inputs.
        $this->page
            ->pressButton('test_user_field_add_more');
        $this->webAssert
            ->waitForElement('css', 'input[name="test_user_field[1][value]"]');
        $this->page
            ->fillField('test_user_field[1][value]', $value . '1');
        $this->page
            ->pressButton('test_user_field_add_more');
        $this->webAssert
            ->waitForElement('css', 'input[name="test_user_field[2][value]"]');
        $this->page
            ->fillField('test_user_field[2][value]', $value . '2');
        // Submit with three values.
        $this->page
            ->pressButton('edit-submit');
        // Check user fields.
        $accounts = $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->loadByProperties([
            'name' => $name,
            'mail' => $name . '@example.com',
        ]);
        $new_user = reset($accounts);
        $this->assertEquals($value, $new_user->test_user_field[0]->value);
        $this->assertEquals($value . '1', $new_user->test_user_field[1]->value);
        $this->assertEquals($value . '2', $new_user->test_user_field[2]->value);
    }

}