function ComponentAsFormElementTest::testFormRenderingAndSubmission

Tests that fields validation messages are sorted in the fields order.

File

core/tests/Drupal/KernelTests/Components/ComponentAsFormElementTest.php, line 197

Class

ComponentAsFormElementTest

Tests the correct rendering of components in form.

Namespace

Code

public function testFormRenderingAndSubmission() : void {
  /** @var \Drupal\Core\Form\FormBuilderInterface $form_builder */
  $form_builder = \Drupal::service('form_builder');
  /** @var \Drupal\Core\Render\RendererInterface $renderer */
  $renderer = \Drupal::service('renderer');
  $form = $form_builder->getForm($this);
  // Test form rendering.
  $markup = $renderer->renderRoot($form);
  $this->setRawContent($markup);
  // Ensure form elements are rendered once.
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input"]'), 'The sdc_input textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input_basic"]'), 'The sdc_input_basic textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input_with_label"]'), 'The sdc_input_with_label textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('span[id="test_data_label_container"]'), 'The span with id "test_data_label_container" should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input_with_default_value"]'), 'The sdc_input_with_default_value textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input_with_value"]'), 'The sdc_input_with_value textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input_with_value_and_default_value"]'), 'The sdc_input_with_value_and_default_value textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input_with_required"]'), 'The sdc_input_with_required textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name="sdc_input_with_id_as_prop"]'), 'The sdc_input_with_id_as_prop textfield should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[id=test_sdc_input_prop_id]'), 'A textfield with id "test_sdc_input_prop_id" should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name=sdc_input_with_id_as_prop]'), 'A sdc_input with id "sdc_input_with_id_as_prop" should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('input[name=sdc_input_with_id_as_prop_attributes]'), 'A sdc_input with id "sdc_input_with_id_as_prop_attributes" should have been rendered once.');
  $this->assertCount(1, $this->cssSelect('div[id=test_sdc_input_prop_attributes_id]'), 'A div wrapper with id "test_sdc_input_prop_attributes_id" should have been rendered once.');
  // Check the position of the form elements in the DOM.
  $paths = [
    '//form/div[1]/input[@name="sdc_input"]',
    '//form/div[2]/input[@name="sdc_input_basic"]',
    '//form/div[3]/input[@name="sdc_input_with_label"]',
    '//form/div[4]/input[@name="sdc_input_with_default_value"]',
    '//form/div[5]/input[@name="sdc_input_with_value"]',
    '//form/div[6]/input[@name="sdc_input_with_value_and_default_value"]',
    '//form/div[7]/input[@name="sdc_input_with_required"]',
    '//form/div[8]/input[@name="sdc_input_with_id_as_prop"]',
    '//form/div[9]/input[@name="sdc_input_with_id_as_prop_attributes"]',
  ];
  foreach ($paths as $path) {
    $this->assertNotEmpty($this->xpath($path), 'There should be a result with the path: ' . $path . '.');
  }
  // Test form submission. Assertions are in submitForm().
  $form_state = new FormState();
  $form_builder->submitForm($this, $form_state);
}