function 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 503

Class

FormBuilderTest

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

Namespace

Code

public function testUniqueElementHtmlId() : void {
    $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')
        ->willReturn($form_id_1);
    $form_arg_1->expects($this->exactly(1))
        ->method('buildForm')
        ->willReturn($expected_form);
    $form_arg_2 = $this->createMock('Drupal\\Core\\Form\\FormInterface');
    $form_arg_2->expects($this->exactly(1))
        ->method('getFormId')
        ->willReturn($form_id_2);
    $form_arg_2->expects($this->exactly(1))
        ->method('buildForm')
        ->willReturn($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"]);
}