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