Chris@17: <?php
Chris@17: 
Chris@17: namespace Drupal\FunctionalJavascriptTests\Ajax;
Chris@17: 
Chris@17: use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
Chris@17: 
Chris@17: /**
Chris@17:  * Tests that form values are properly delivered to AJAX callbacks.
Chris@17:  *
Chris@17:  * @group Ajax
Chris@17:  */
Chris@17: class FormValuesTest extends WebDriverTestBase {
Chris@17: 
Chris@17:   /**
Chris@17:    * {@inheritdoc}
Chris@17:    */
Chris@17:   public static $modules = ['node', 'ajax_test', 'ajax_forms_test'];
Chris@17: 
Chris@17:   /**
Chris@17:    * {@inheritdoc}
Chris@17:    */
Chris@17:   protected function setUp() {
Chris@17:     parent::setUp();
Chris@17: 
Chris@17:     $this->drupalLogin($this->drupalCreateUser(['access content']));
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * Submits forms with select and checkbox elements via Ajax.
Chris@17:    */
Chris@17:   public function testSimpleAjaxFormValue() {
Chris@17: 
Chris@17:     $this->drupalGet('ajax_forms_test_get_form');
Chris@17: 
Chris@17:     $session = $this->getSession();
Chris@17:     $assertSession = $this->assertSession();
Chris@17: 
Chris@17:     // Verify form values of a select element.
Chris@17:     foreach (['green', 'blue', 'red'] as $item) {
Chris@17:       // Updating the field will trigger a AJAX request/response.
Chris@17:       $session->getPage()->selectFieldOption('select', $item);
Chris@17: 
Chris@17:       // The AJAX command in the response will update the DOM
Chris@17:       $select = $assertSession->waitForElement('css', "div#ajax_selected_color:contains('$item')");
Chris@17:       $this->assertNotNull($select, "DataCommand has updated the page with a value of $item.");
Chris@17:     }
Chris@17: 
Chris@17:     // Verify form values of a checkbox element.
Chris@17:     $session->getPage()->checkField('checkbox');
Chris@17:     $div0 = $this->assertSession()->waitForElement('css', "div#ajax_checkbox_value:contains('checked')");
Chris@17:     $this->assertNotNull($div0, 'DataCommand updates the DOM as expected when a checkbox is selected');
Chris@17: 
Chris@17:     $session->getPage()->uncheckField('checkbox');
Chris@17:     $div1 = $this->assertSession()->waitForElement('css', "div#ajax_checkbox_value:contains('unchecked')");
Chris@17:     $this->assertNotNull($div1, 'DataCommand updates the DOM as expected when a checkbox is de-selected');
Chris@17: 
Chris@17:     // Verify that AJAX elements with invalid callbacks return error code 500.
Chris@17:     // Ensure the test error log is empty before these tests.
Chris@17:     $this->assertFalse(file_exists(DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log'), 'PHP error.log is empty.');
Chris@17:     // We don't need to check for the X-Drupal-Ajax-Token header with these
Chris@17:     // invalid requests.
Chris@17:     $this->assertAjaxHeader = FALSE;
Chris@17:     foreach (['null', 'empty', 'nonexistent'] as $key) {
Chris@17:       $element_name = 'select_' . $key . '_callback';
Chris@17:       // Updating the field will trigger a AJAX request/response.
Chris@17:       $session->getPage()->selectFieldOption($element_name, 'green');
Chris@17: 
Chris@17:       // The select element is disabled as the AJAX request is issued.
Chris@17:       $this->assertSession()->waitForElement('css', "select[name=\"$element_name\"]:disabled");
Chris@17: 
Chris@17:       // The select element is enabled as the response is receieved.
Chris@17:       $this->assertSession()->waitForElement('css', "select[name=\"$element_name\"]:enabled");
Chris@17:       $this->assertTrue(file_exists(DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log'), 'PHP error.log is not empty.');
Chris@17:       $this->assertContains('"The specified #ajax callback is empty or not callable."', file_get_contents(DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log'));
Chris@17:       // The exceptions are expected. Do not interpret them as a test failure.
Chris@17:       // Not using File API; a potential error must trigger a PHP warning.
Chris@17:       unlink(\Drupal::root() . '/' . $this->siteDirectory . '/error.log');
Chris@17:     }
Chris@17:     // We need to reload the page to kill any unfinished AJAX calls before
Chris@17:     // tearDown() is called.
Chris@17:     $this->drupalGet('ajax_forms_test_get_form');
Chris@17:   }
Chris@17: 
Chris@17: }