public function FormBuilderTest::testUniqueElementHtmlId in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php \Drupal\Tests\Core\Form\FormBuilderTest::testUniqueElementHtmlId()

Tests that HTML IDs are unique between 2 forms with the same element names.

File

core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php, line 491

Contains \Drupal\Tests\Core\Form\FormBuilderTest.

Class

FormBuilderTest

@coversDefaultClass \Drupal\Core\Form\FormBuilder @group Form

Namespace

Drupal\Tests\Core\Form

Code

public function testUniqueElementHtmlId() {
  $form_id_1 = 'test_form_id';
  $form_id_2 = 'test_form_id_2';
  $expected_form = $form_id_1();

  // Mock 2 form objects that will be built once each.
  $form_arg_1 = $this
    ->createMock('Drupal\\Core\\Form\\FormInterface');
  $form_arg_1
    ->expects($this
    ->exactly(1))
    ->method('getFormId')
    ->will($this
    ->returnValue($form_id_1));
  $form_arg_1
    ->expects($this
    ->exactly(1))
    ->method('buildForm')
    ->will($this
    ->returnValue($expected_form));
  $form_arg_2 = $this
    ->createMock('Drupal\\Core\\Form\\FormInterface');
  $form_arg_2
    ->expects($this
    ->exactly(1))
    ->method('getFormId')
    ->will($this
    ->returnValue($form_id_2));
  $form_arg_2
    ->expects($this
    ->exactly(1))
    ->method('buildForm')
    ->will($this
    ->returnValue($expected_form));
  $form_state = new FormState();
  $form_1 = $this
    ->simulateFormSubmission($form_id_1, $form_arg_1, $form_state);
  $form_state = new FormState();
  $form_2 = $this
    ->simulateFormSubmission($form_id_2, $form_arg_2, $form_state);
  $this
    ->assertNotSame($form_1['actions']["#id"], $form_2['actions']["#id"]);
}