function ComponentAsFormElementTest::testElementValidateCallback

Tests that #element_validate works as expected.

File

core/tests/Drupal/KernelTests/Components/ComponentAsFormElementTest.php, line 249

Class

ComponentAsFormElementTest

Tests the correct rendering of components in form.

Namespace

Code

public function testElementValidateCallback() : void {
  /** @var \Drupal\Core\Form\FormBuilderInterface $form_builder */
  $form_builder = \Drupal::service('form_builder');
  // Build the form.
  $form_builder->getForm($this);
  // Simulate form submission with a value that should pass validation.
  $form_state = new FormState();
  $form_state->setValues([
    'sdc_input_with_required' => 'test_data_required_value',
    'sdc_input_with_validation' => 'test_data_valid_value',
  ]);
  $form_builder->submitForm($this, $form_state);
  // There should be no errors for valid value.
  $this->assertFalse($form_state->hasAnyErrors(), "No errors should be set for valid value.");
  // Simulate form submission with a value that should fail validation because
  // an invalid value is provided.
  $form_state = new FormState();
  $form_state->setValues([
    'sdc_input_with_required' => 'test_data_required_value',
    'sdc_input_with_validation' => 'invalid_value',
  ]);
  // You may need to adjust your customValidator to actually set
  // an error for this value.
  $form_builder->submitForm($this, $form_state);
  // There should be an error for invalid value.
  $this->assertTrue($form_state->hasAnyErrors(), "An error should be set for invalid value.");
  $this->assertArrayHasKey('sdc_input_with_validation', $form_state->getErrors(), "An error should be set for invalid value on sdc_input_with_validation.");
  // Simulate form submission with a value that should fail
  // validation because an invalid value is provided.
  $form_state = new FormState();
  $form_state->setValues([
    'sdc_input_with_validation' => 'test_data_valid_value',
  ]);
  // You may need to adjust your customValidator
  // to actually set an error for this value.
  $form_builder->submitForm($this, $form_state);
  // There should be an error for invalid value.
  $this->assertTrue($form_state->hasAnyErrors(), "An error should be set when required value is not provided.");
  $this->assertArrayHasKey('sdc_input_with_required', $form_state->getErrors(), "An error should be set for required field sdc_input_with_required.");
}