function FormValuesTest::testSimpleAjaxFormValue in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Tests/Ajax/FormValuesTest.php \Drupal\system\Tests\Ajax\FormValuesTest::testSimpleAjaxFormValue()

Submits forms with select and checkbox elements via Ajax.

File

core/modules/system/src/Tests/Ajax/FormValuesTest.php, line 27

Contains \Drupal\system\Tests\Ajax\FormValuesTest.

Class

FormValuesTest

Tests that form values are properly delivered to AJAX callbacks.

Namespace

Drupal\system\Tests\Ajax

Code

function testSimpleAjaxFormValue() {

  // Verify form values of a select element.
  foreach (array(
    'red',
    'green',
    'blue',
  ) as $item) {
    $edit = array(
      'select' => $item,
    );
    $commands = $this
      ->drupalPostAjaxForm('ajax_forms_test_get_form', $edit, 'select');
    $expected = new DataCommand('#ajax_selected_color', 'form_state_value_select', $item);
    $this
      ->assertCommand($commands, $expected
      ->render(), 'Verification of AJAX form values from a selectbox issued with a correct value.');
  }

  // Verify form values of a checkbox element.
  foreach (array(
    FALSE,
    TRUE,
  ) as $item) {
    $edit = array(
      'checkbox' => $item,
    );
    $commands = $this
      ->drupalPostAjaxForm('ajax_forms_test_get_form', $edit, 'checkbox');
    $expected = new DataCommand('#ajax_checkbox_value', 'form_state_value_select', (int) $item);
    $this
      ->assertCommand($commands, $expected
      ->render(), 'Verification of AJAX form values from a checkbox issued with a correct value.');
  }

  // Verify that AJAX elements with invalid callbacks return error code 500.
  // Ensure the test error log is empty before these tests.
  $this
    ->assertNoErrorsLogged();

  // We don't need to check for the X-Drupal-Ajax-Token header with these
  // invalid requests.
  $this->assertAjaxHeader = FALSE;
  foreach (array(
    'null',
    'empty',
    'nonexistent',
  ) as $key) {
    $element_name = 'select_' . $key . '_callback';
    $edit = array(
      $element_name => 'red',
    );
    $commands = $this
      ->drupalPostAjaxForm('ajax_forms_test_get_form', $edit, $element_name);
    $this
      ->assertResponse(500);
  }

  // Switch this back to the default.
  $this->assertAjaxHeader = TRUE;

  // The exceptions are expected. Do not interpret them as a test failure.
  // Not using File API; a potential error must trigger a PHP warning.
  unlink(\Drupal::root() . '/' . $this->siteDirectory . '/error.log');
}