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<?php
namespace Drupal\system\Tests\Form;
use Drupal\Component\Utility\Xss;
use Drupal\simpletest\WebTestBase;
/**
* Tests hook_form_alter() and hook_form_FORM_ID_alter().
*
* @group Form
*/
class AlterTest extends WebTestBase {
/**
* Modules to enable.
*
* @var array
*/
public static $modules = ['block', 'form_test'];
/**
* Tests execution order of hook_form_alter() and hook_form_FORM_ID_alter().
*/
public function testExecutionOrder() {
$this->drupalGet('form-test/alter');
// Ensure that the order is first by module, then for a given module, the
// id-specific one after the generic one.
$expected = [
'block_form_form_test_alter_form_alter() executed.',
'form_test_form_alter() executed.',
'form_test_form_form_test_alter_form_alter() executed.',
'system_form_form_test_alter_form_alter() executed.',
];
$content = preg_replace('/\s+/', ' ', Xss::filter($this->content, []));
$this->assert(strpos($content, implode(' ', $expected)) !== FALSE, 'Form alter hooks executed in the expected order.');
}
}