/**
* {@inheritdoc}
*/
public function getForm($formClass)
{
$args = func_get_args();
array_shift($args);
if (!class_exists($formClass)) {
$this->logger->log(LogLevel::CRITICAL, "Form class '@class' does not exists", ['@class' => $formClass]);
return [];
}
if (!method_exists($formClass, 'create')) {
$this->logger->log(LogLevel::CRITICAL, "Form class '@class' does not implements ::create()", ['@class' => $formClass]);
return [];
}
// God, I do hate Drupal 8...
$form = call_user_func([$formClass, 'create'], $this->container);
if (!$form instanceof FormInterface) {
$this->logger->log(LogLevel::CRITICAL, "Form class '@class' does not implement \\Drupal\\Core\\Form\\FormInterface", ['@class' => $formClass]);
return [];
}
$formId = $form->getFormId();
$data = [];
$data['build_info']['args'] = $args;
$formState = new FormState($data);
$formState->setFormObject($form);
$this->formMap[$formId] = [$form, $formState];
return drupal_build_form($formId, $data);
}
/**
* Check several empty values for required forms elements.
*
* Carriage returns, tabs, spaces, and unchecked checkbox elements are not
* valid content for a required field.
*
* If the form field is found in $form_state->getErrors() then the test pass.
*/
function testRequiredFields()
{
// Originates from https://www.drupal.org/node/117748.
// Sets of empty strings and arrays.
$empty_strings = array('""' => "", '"\\n"' => "\n", '" "' => " ", '"\\t"' => "\t", '" \\n\\t "' => " \n\t ", '"\\n\\n\\n\\n\\n"' => "\n\n\n\n\n");
$empty_arrays = array('array()' => array());
$empty_checkbox = array(NULL);
$elements['textfield']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'textfield');
$elements['textfield']['empty_values'] = $empty_strings;
$elements['telephone']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'tel');
$elements['telephone']['empty_values'] = $empty_strings;
$elements['url']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'url');
$elements['url']['empty_values'] = $empty_strings;
$elements['search']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'search');
$elements['search']['empty_values'] = $empty_strings;
$elements['password']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'password');
$elements['password']['empty_values'] = $empty_strings;
$elements['password_confirm']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'password_confirm');
// Provide empty values for both password fields.
foreach ($empty_strings as $key => $value) {
$elements['password_confirm']['empty_values'][$key] = array('pass1' => $value, 'pass2' => $value);
}
$elements['textarea']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'textarea');
$elements['textarea']['empty_values'] = $empty_strings;
$elements['radios']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'radios', '#options' => array('' => t('None'), $this->randomMachineName(), $this->randomMachineName(), $this->randomMachineName()));
$elements['radios']['empty_values'] = $empty_arrays;
$elements['checkbox']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'checkbox', '#required' => TRUE);
$elements['checkbox']['empty_values'] = $empty_checkbox;
$elements['checkboxes']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'checkboxes', '#options' => array($this->randomMachineName(), $this->randomMachineName(), $this->randomMachineName()));
$elements['checkboxes']['empty_values'] = $empty_arrays;
$elements['select']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'select', '#options' => array('' => t('None'), $this->randomMachineName(), $this->randomMachineName(), $this->randomMachineName()));
$elements['select']['empty_values'] = $empty_strings;
$elements['file']['element'] = array('#title' => $this->randomMachineName(), '#type' => 'file');
$elements['file']['empty_values'] = $empty_strings;
// Regular expression to find the expected marker on required elements.
$required_marker_preg = '@<.*?class=".*?form-required.*?">@';
// Go through all the elements and all the empty values for them.
foreach ($elements as $type => $data) {
foreach ($data['empty_values'] as $key => $empty) {
foreach (array(TRUE, FALSE) as $required) {
$form_id = $this->randomMachineName();
$form = array();
$form_state = new FormState();
$form['op'] = array('#type' => 'submit', '#value' => t('Submit'));
$element = $data['element']['#title'];
$form[$element] = $data['element'];
$form[$element]['#required'] = $required;
$user_input[$element] = $empty;
$user_input['form_id'] = $form_id;
$form_state->setUserInput($user_input);
$form_state->setFormObject(new StubForm($form_id, $form));
$form_state->setMethod('POST');
// The form token CSRF protection should not interfere with this test,
// so we bypass it by setting the token to FALSE.
$form['#token'] = FALSE;
\Drupal::formBuilder()->prepareForm($form_id, $form, $form_state);
\Drupal::formBuilder()->processForm($form_id, $form, $form_state);
$errors = $form_state->getErrors();
// Form elements of type 'radios' throw all sorts of PHP notices
// when you try to render them like this, so we ignore those for
// testing the required marker.
// @todo Fix this work-around (https://www.drupal.org/node/588438).
$form_output = $type == 'radios' ? '' : \Drupal::service('renderer')->renderRoot($form);
if ($required) {
// Make sure we have a form error for this element.
$this->assertTrue(isset($errors[$element]), "Check empty({$key}) '{$type}' field '{$element}'");
if (!empty($form_output)) {
// Make sure the form element is marked as required.
$this->assertTrue(preg_match($required_marker_preg, $form_output), "Required '{$type}' field is marked as required");
}
} else {
if (!empty($form_output)) {
// Make sure the form element is *not* marked as required.
$this->assertFalse(preg_match($required_marker_preg, $form_output), "Optional '{$type}' field is not marked as required");
}
if ($type == 'select') {
// Select elements are going to have validation errors with empty
// input, since those are illegal choices. Just make sure the
// error is not "field is required".
$this->assertTrue(empty($errors[$element]) || strpos('field is required', $errors[$element]) === FALSE, "Optional '{$type}' field '{$element}' is not treated as a required element");
} else {
// Make sure there is *no* form error for this element.
$this->assertTrue(empty($errors[$element]), "Optional '{$type}' field '{$element}' has no errors with empty input");
}
}
}
}
}
// Clear the expected form error messages so they don't appear as exceptions.
drupal_get_messages();
}
/**
* Helper function for the option check test to submit a form while collecting errors.
*
* @param $form_element
* A form element to test.
* @param $edit
* An array containing post data.
*
* @return
* An array containing the processed form, the form_state and any errors.
*/
private function formSubmitHelper($form, $edit)
{
$form_id = $this->randomMachineName();
$form_state = new FormState();
$form['op'] = array('#type' => 'submit', '#value' => t('Submit'));
// The form token CSRF protection should not interfere with this test, so we
// bypass it by setting the token to FALSE.
$form['#token'] = FALSE;
$edit['form_id'] = $form_id;
// Disable page redirect for forms submitted programmatically. This is a
// solution to skip the redirect step (there are no pages, then the redirect
// isn't possible).
$form_state->disableRedirect();
$form_state->setUserInput($edit);
$form_state->setFormObject(new StubForm($form_id, $form));
\Drupal::formBuilder()->prepareForm($form_id, $form, $form_state);
\Drupal::formBuilder()->processForm($form_id, $form, $form_state);
$errors = $form_state->getErrors();
// Clear errors and messages.
drupal_get_messages();
$form_state->clearErrors();
// Return the processed form together with form_state and errors
// to allow the caller lowlevel access to the form.
return array($form, $form_state, $errors);
}
/**
* @covers ::prepareCallback
*/
public function testPrepareCallbackArray()
{
$form_state = new FormState();
$form_state->setFormObject(new PrepareCallbackTestForm());
$callback = [$form_state->getFormObject(), 'buildForm'];
$processed_callback = $form_state->prepareCallback($callback);
$this->assertEquals($callback, $processed_callback);
}